Items in the subject area " Soil > Soil quality"

Submitted for peer-review but not yet accepted

Berntsen, J. and Petersen, B.M. (2005) Simulating trends in crop yield and soil carbon in a long-term experiment – effects of rising CO2, N deposition and improved cultivation. [ Submitted , 2005] ^**

Elmholt, S.; Schjønning, P.; Munkholm, L.J. and Debosz, K. (2006) Tilth formation, aggregate hierarchy, and self-organization in differently managed, arable soils. [ Submitted , 2006] ^*

Larsen, Thomas; Magid, Jakob; Luxhøi, Jesper; Jensen, Lars S. and Krogh, Paul H. (2006) Properties of anaerobically digested and composted municipal solid waste assessed by integrating soil mesofauna manipulations and nutrient modelling. [ Submitted , 2006]

Peer-reviewed and accepted

Berner, A.; Hildermann, I.; Fliessbach, Dr. A.; Pfiffner, Dr. L.; Niggli, Dr. U. and Mäder, Dr. P. (2008) Crop yield and soil fertility response to reduced tillage under organic management. [Crop yield and soil fertility response to reduced tillage under organic management.] Soil & Tillage Research, 101, pp. 89-96. [ In Press , September 2008]

Berner, Alfred; Fliessbach, Andreas; Nietlisbach, Bruno and Mäder, Paul (2008) Effects of reduced tillage on soil organic carbon and microbial activity in a clayey soil. Culivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008. In: Neuhoff, Daniel and et al., (Eds.) Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM).

Berner, Alfred; Frei, Robert and Mäder, Paul (2005) Entwicklung von pfluglosen Anbauverfahren im ökologischen Landbau unter Anwendung verschiedener Hofdüngerformen und biologisch-dynamischer Präparate. [Development of reduced tillage systems in organic farm using different manure types and biodynamic preparations.] 8. Wissenschaftstagung Ökologischer Landbau – Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Berry, P.M.; Stockdale, E.A.; Sylvester-Bradley, R.; Philipps, L.; Smith, K.A.; Lord, E.I.; Watson, C.A and Fortune, S. (2003) N, P and K budgets for crop rotations on nine organic farms in the UK. Soil Use and Management, 19 (2), pp. 112-118.

Beste, Andrea (2005) Landwirtschaftlicher Bodenschutz in der Praxis. Grundlagen, Analyse, Management - Erhaltung der Bodenfunktionen für Produktion, Gewässerschutz und Hochwasservermeidung. [Soil Conservation in Agriculture put into Practice. Basical Knowledge, Analysis, Management - Maintainment of Soil Functions for Production, Water Protection and Prevention from Inundations.] Verlag Dr. Köster. [ In Press , 2005]

Bleken, Ass. prof Marina Azzaroli; Krogstad, Prof. Tore; Speetjens, Koen and Heim, Ass. pref. Michael (2008) Use of a mixture of biotite- and apatite-rich rock powder in a soil with inherent low soil fertility. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Boldrini, Dr Arianna; Benincasa, Dr Paolo; Gigliotti, Prof Giovanni; Businelli, Prof Daniela and Guiducci, Prof Marcello (2008) Effects of an organic and a conventional cropping system on soil fertility. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Brock, Christopher; Hoyer, Uta; Leithold, Günther and Hülsbergen, Kurt-Jürgen (2008) A New Approach to Humus Balancing in Organic Farming. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Brock, Christopher and Leithold, G. (2007) Humusbilanzmethoden als Prognose- und Bewertungsinstrumente im ökologischen Landbau – allgemeiner und spezieller Anpassungsbedarf. [Humus balance methods as management tools in organic farming - evaluation for adaptation.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Bruun, Sander; Hansen, Trine L.; Christensen, Thomas H.; Magid, Jakob and Jensen, Lars S. (2006) Application of processed organic municipal solid waste on agricultural land - a scenario analysis. Environmantal Modeling and Assessment, 11, pp. 251-265. ^*

Canali, Stefano (2003) Soil quality of organically managed citrus orchards in the Mediterranean area. In: Organic Agriculture: Sustainability, Markets and Policies. OECD, CABI Publishing, Wallingford, UK, chapter 2, pp. 115-125.

Canali, Stefano; di Bartolomeo, Emanuela and Torrisi, Biagio (2005) Soil quality comparison among organically and conventionally managed citrus orchards in Eastern Sicily (Italy). Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

CAVOSKI, Ivana (2004) The effects of compost and compost extract on soil properties and lettuce growth. [Les effets du compost et des extraits de compost sur les propriétés du sol et sur la croissance de la laitue.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. [ Unpublished, ]

Chirinda, Mr Ngonidzashe and Olesen, Professor Jørgen, E. (2008) Effects of organic matter input on soil microbial properties and crop yields in conventional and organic cropping systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Chirinda, Mr Ngonidzashe; Olesen, Professor Jørgen, E. and Porter, Professor John, R (2008) Effects of organic matter input on soil microbial properties and crop yields in conventional and organic cropping systems. Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), Modena Italy, 18-20 June 2008 in Modena Italy. ^*

Christensen, B.T. (2001) Physical fractionation of soil and structural and functional complexity in organic matter turnover. European Journal of Soil Science, 52 (3), pp. 345-353. ^**

Christensen, B.T. and Johnston, A.E. (1997) Soil organic matter and soil quality - lessons learned from long-term experiments at Askov and Rothamsted. In: Gregorich, E.G. and Carter, M.R. (Eds.) Soil quality for crop production and ecosystem health, Elsevier Science, pp. 399-430. ^**

Cuijpers, W.J.M.; Smeding, F.; Amsing, J.; Postma, J. and Koopmans, C.J. (2005) Effect of organic fertilizers on regeneration of biodiversity after soil steaming in organic glasshouses. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

de Jonge, L.W.; Moldrup, P. and Schjønning, P. (2009) Soil Infrastructure, Interfaces & Translocation Processes in Inner Space (“Soil-it-is”): Towards a Road Map for the Constraints and Crossroads of Soil Architecture and Biophysical Processes. Hydrology and Earth System Sciences, 13.

Delate, Dr. Kathleen; Cambardella, Dr. Cindy; Chase, Dr. Craig and Turnbull, Robert (2008) Beneficial System Outcomes in Organic Fields at the Long-Term Agroecological Research (LTAR) Site, Greenfield, Iowa, USA. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Driouech, Noureddin (2008) Annual self-reseeding legumes and their application into mediterranean cropping systems. [Légumineuses annuelles d'autoressemis et leur application dans les systèmes culturels méditerranéens.] Thesis, University of Tuscia, Viterbo, Vegetable Production.

Elmholt, S.; Schjønning, P.; Munkholm, L.J. and Debosz, K. (2008) Soil management effects on aggregate stability and biological binding. Geoderma, 144, pp. 455-467.

Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and nuutinen, Visa (2000) Soil Stresses, Quality and Care. Proceedings of Soil Stresses, Quality and Care. NJF Seminar 310, Ås, Norway, 10-12 April 2000. Danish Institute of Agricultural Research. ^*

Erhart, Eva; Hartl, Wilfried; Bartl, Barbara; Putz, Berta and Horak, Othmar (2009) Bioabfallkompost im biologischen Landbau – Auswirkungen auf die Gehalte von bioverfügbaren Schwermetallen im Boden. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Esperschütz, Jürgen; Gattinger, Andreas; Mäder, Paul; Schloter, Michael and Fließbach, Andreas (2007) Response of soil microbial biomass and community structures to conventional and organic farming systems under identical crop rotations. FEMS Microbiology Ecology (61), pp. 26-37.

Fischer, Meike; Raupp, Joachim; Mäder, Paul; Dubois, David and Römheld, Volker (2005) Micronutrient status in two long-term trials with fertilisation treatments and different cropping systems. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Fliessbach, Andreas; Dubois, David; Esperschütz, Jürgen; Gunst, Lucie; Mäder, Paul; Oberholzer, Hansruedi; Schloter, Michael and Gattinger, Andreas (2005) Soil microbial community structure and organic matter transformation processes in organic and integrated farming systems. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Fliessbach, Andreas; Oberholzer, Hans-Rudolf; Gunst, Lucie and Paul, Mäder (2007) Soil organic matter and biological soil quality indicators after 21 years of organic and conventional farming. Agriculture, Ecosystems and Environment, 118, pp. 273-284.

Fliessbach, Andreas; Oberholzer, Hans-Rudolf; Gunst, Lucie and Paul, Mäder (2006) Soil organic matter and biological soil quality indicators after 21 years of organic and conventional farming. Agriculture, Ecosystems and Environment, accepted 17 May 2006. [ In Press , 2006]

Fließbach, Andreas and Mäder, Paul (2009) Einfluss von Pseudomonas fluorescens auf Ertrag von Weizen und mikrobielle Biomasse des Bodens. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Gollner, Manfred; Friedel, Jürgen and Freyer, Bernhard (2005) ARBUSCULAR MYCORRHIZA OF WINTER WHEAT UNDER DIFFERENT DURATION OF ORGANIC FARMING. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Granstedt, Assoc Professor Artur and Kjellenberg, L. (2008) Organic and biodynamic cultivation - a possible way of increasing humus capital, improving soil fertility and providing a significant carbon sink in Nordic conditions. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Guggenberger, Georg; Christensen, Bent T. and Rubæk, Gitte H. (2000) Isolation and characterization of labile organic phosphorus pools in soils from the Askov long-term field experiments. Journal of Plant Nutrition & Soil Science, 163 (1), pp. 151-155. ^**

Hampl, Dr. Ulrich (2005) 10 Jahre differenzierte Grundbodenbearbeitung im Ökologischen Landbau - Methoden und Ergebnisse. [10 years specified soil management in organic agriculture - methods and results.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Hansen, Jacob P. and Vinther, Finn P. (2001) Spatial variability of symbiotic N2 fixation in grass-white clover pastures estimated by the 15N isotope dilution method and the natural 15N abundance method. Plant and Soil (230), pp. 257-266.

Hartmann, Martin; Fliessbach, Andreas; Oberholzer, Hans-Rudolf and Widmer, Franco (2006) Ranking the magnitude of crop and farming system effects on soil microbial biomass and genetic structure of bacterial communities. FEMS Microbiol Ecol. (57), pp. 378-388.

Hijri, Isabelle; Sýkorová, Zuzana; Oehl, Fritz; Ineichen, Kurt; Mäder, Paul; Wiemken, Andres and Redecker, Dirk (2007) Communities of arbuscular mycorrhizal fungi in arable soils are not necessarily low in diversity. Molecular Ecology (15), pp. 2277-2289.

Hilber, Isabel; Voegelin, Andreas; Barmettlet, Kurt and Kretzschmar, Ruben (2007) Plant Availability of Zinc and Copper in Soil after Contamination with Brass Foundry Filter Dust: Effect of Four Years of Aging. Journal of Environmental Quality (36), pp. 44-52.

Hoyer, U.; Lemnitzer, B. and Hülsbergen, K.-J. (2007) Einfluss des ökologischen Landbaus auf unterschiedliche Humuspools im Boden und Schlussfolgerungen zur Humusbilanzierung. [Impact of Organic Farming on different pools of soil organic matter and conclu-sions on humus balancing.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Hoyer, Uta; Reents, Hans-Jürgen and Hülsbergen, Kurt-Jürgen (2008) Indicators for the Evaluation of Soil Organic Matter and their Application in Organic and Conventional Farming Systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Jost, Britta; Schmidtke, Knut and Rauber, Rolf (2007) Kalkulation der N2-Fixierleistung und der N-Flächenbilanz beim Anbau von Leguminosen im ökologischen Landbau. [Calculation of the symbiotic N2 fixation and N balance of organically grown legumes.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Kahiluoto, Helena and Vestberg, Mauritz (2000) Utilization of arbuscular mycorrhiza by system management. 13th International IFOAM Scientific Conference, Basel, Switzerland, 28 to 31 August 2000. In: Alfoeldi, Thomas; Lockeretz, William and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland, p. 12.

Kahle, Dr. Petra; Baum, Dr. Christel and Borchwardt, Monika (2005) Auswirkungen mehrjähriger ökologischer Bewirtschaftung auf ausgewählte Bodeneigenschaften. [Effects of ecological cultivation practise on several soil properties.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Kainz, Max; Siebrecht, Norman and Reents, Dr. Hans Jürgen (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Kay, B.D. and Munkholm, L.J. (2004) Management-induced Soil Structure Degradation: Organic Matter Depletion and Tillage. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture, CABI Publishing, Wallingford, UK, chapter 11, pp. 185-197. [ In Press , 2004] ^**

Kolbe, Hartmut (2007) Effects of increasing fertilization in organic farming fodder cultivation and market crop systems. [ Unpublished, ]

Koller, Martin; Alföldi, Thomas; Siegrist, S. and Weibel, Franco (2004) A Comparison of Plant and Animal Based Fertiliser for the Production of Organic Vegetable Transplants. In: Nicola, S.; Nowak, J. and Vavrina, C.S. (Eds.) ISHS Acta Horticulturae 631: XXVI International Horticultural Congress: Issues and Advances in Transplant Production and Stand Establishment Research, International Society for Horticultural Sience (ISHS), pp. 209-215.

König, Dr. U.J. (2005) Einfluss unterschiedlicher N-Quellen für die N-Stabilisierung von als Torfersatz eingesetzter Holzfaser auf die Pflanzenentwicklung im Feldgemüseanbau. [Influence of different N-sources used for N-improvement of wood fibre to substi-tute peat on plant development in vegetable growing.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005-04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Koopmans, C.J. and Zanen, M. (2007) Organic Soil Management: Impacts on Yields, Soil Quality and Economics. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Koopmans, Dr. C.J. and Smeding, Dr. F.W. (2008) A Conceptual Framework for Soil management and its effect on Soil Biodiversity in Organic and Low Input Farming. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Kristensen, Hanne L.; Debosz, Kasia and McCarty, Greg W. (2003) Short-term effects of tillage on mineralization of nitrogen and carbon in soil. Soil Biology and Biochemistry, 35, pp. 979-986.

Lehocka, Zuzana; Klimekova, Marta and Bielikova, Magdalena (2008) Soil quality indicators in organic and conventional farming systems in Slovakia. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Litterick, Audrey; Harrier, L.; Wallace, P.; Watson, C. A. and Wood, M. (2003) Effects of composting manures and other organic wastes on soil processes and pest and disease interactions.

Mäder, Paul; Fliessbach, Andreas; Dubois, David; Gunst, Lucie; Fried, Padrout and Niggli, Urs (2002) Soil Fertility and Biodiversity in Organic Farming. Science, 31 May 2002 (296), pp. 1694-1697.

Müller, Christoph; Siebrecht, Norman; Reents, Dr. Hans Jürgen; Brandhuber, Robert and Kainz, Max (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion – Beitrag 2: Einfluss des Leguminosenmangements auf Merkmale der Bodenerodibilität. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Munkholm, L.J. and Schjønning, P. (2004) Structural vulnerability of a sandy loam exposed to intensive tillage and traffic in wet conditions. Soil & Tillage Research (79), pp. 79-85. [ Unpublished, ] ^*

Munkholm, L.J.; Schjønning, P.; Jørgensen, M.H. and Thorup-Kristensen, K. (2005) Mitigation of subsoil recompaction by light traffic and on-land ploughing. II: Root and yield response. Soil & Tillage Research (80), pp. 159-170.

Munkholm, L.J.; Schjønning, P.; Rasmussen, K.J. and Tanderup, K. (2003) Spatial and temporal effects of direct drilling on soil structure in the seedling environment. Soil and Tillage Research, 71 (2), pp. 163-173.

Munkholm, L.J.; Schjønning, P. and Rüegg, K. (2005) Mitigation of subsoil recompaction by light traffic and on-land ploughing. I. Soil response. Soil & Tillage Research (80), pp. 149-158.

Munkholm, Lars; Schjønning, Per and Kay, Bev D. (2002) Tensile strength of soil cores in relation to aggregate strength, soil fragmentation and pore characteristics. Soil and Tillage Research, 64 (1-2), pp. 125-135. ^**

Munkholm, Lars J. and Kay, Bev D. (2002) Effect of Water Regime on Aggregate-tensile Strength, Rupture Energy, and Friability. Soil Science Society of America Journal, 66, pp. 702-709. ^**

Munkholm, Lars J.; Schjønning, Per and Petersen, Carsten T. (2001) Soil mechanical behaviour of sandy loams in a temperate climate: case studies on long-term effects of fertilization and crop rotation. Soil Use and Management, 17, pp. 269-277. ^**

Munkholm, Lars J.; Schjønning, Per and Rasmussen, Karl J. (2001) Non-inversion tillage effects on soil mechanical properties of a humid sandy loam. Soil and Tillage Research, 62 (1-2), pp. 1-14. ^**

Nachimuthu, Gunasekhar; Kristiansen, Paul; Lockwood, Peter and Guppy, Chris (2005) A comparison of soil properties under organic and conventional farming in Australia. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Oberholzer, Hans-Rudolf; Fließbach, Andreas; Mäder, Paul and Mayer, Jochen (2009) Einfluss von biologischer und konventioneller Bewirtschaftung auf biologische Bodenqualitätsparameter: Entwicklungen im DOK Langzeitversuch nach pH-Regulierung. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Oehl, F.; Frossard, E.; Fliessbach, A.; Dubois, D. and Oberson, A. (2004) Basal organic phosphorus mineralization in soils under different farming systems. Soil Biology & Biochemistry (36), pp. 667-675.

Oehl, Fritz; Oberson, Astrid; Probst, Mirijam; Fliessbach, Andreas; Roth, Hans-Rudolf and Frossard, Emmanuel (2001) Kinetics of microbial phosphorus uptake in cultivated soils. Biology and Fertility of Soils (34), pp. 31-41.

Owen, Ms. Josée; Lynch, Dr. Derek and Fillmore, Ms. Sherry (2008) Changes in light fraction soil organic matter and in organic carbon and nitrogen in compost amended soils. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Pernin, C.; Ambrosi, J.P.; Cortet, J.; Joffre, R.; Tabone, E.; Torre, F. and Krogh, P.H. (2006) Effects of sewage sludge and copper enrichment on both soil mesofauna community and decomposition of oak leaves (Quercus suber) in a mesocosm. Biology and Fertility of Soils. [ In Press , 2006] ^**

Plümer, Tanja (2005) 10 Jahre differenzierte Grundbodenbearbeitung im Ökologischen Landbau - Untersuchungen zur Wurzeldynamik. [10 years specified soil management in organic agriculture - effects on roots.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Pronk, W.; Zuleeg, S.; Lienert, J.; Escher, B.; Koller, M.; Berner, A.; Koch, G. and Boller, M. (2007) Pilot Experiments with Electrodialysis and Ozonation for the Production of a Fertilizer from Urine. Water Science and Technology, 56 (5), pp. 219-227.

Raupp, Joachim and Oltmanns, Meike (2006) Farmyard manure, plant based organic fertilisers, inorganic fertiliser - which sustains soil organic matter best? What will organic farming deliver?, Edinburgh, 18-20 September 2006. In: Aspects of Applied Biology, Assoc. Applied Biologists, 79, pp. 273-276.

Reeve, Jennifer; Smith, Jeffrey L.; Carpenter-Boggs, Lynne and Reganold, John P. (2005) PLANT UPTAKE OF SOLUBLE ORGANIC MOLECULES AS N SOURCE. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Sangakkara, Dr Ravi; Bandaranayake, Mr P; Dissanayake, Ms U and Gajanayake, Ms J (2008) Organic matter addition in organic farming – Impact on root development and yields in maize and cowpea over dry seasons. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Sangakkara, U. R.; Pietsch, G.; Gollner, M. and Freyer, B. (2005) Effect of incorporating rice straw or leaves of gliricidia (g. Sepium) on the productivity of mungbean (vigna radiata) and on soil properties. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Sarapatka, Borivoj and Kouril, Milan (2007) Monitoring Soil Characteristics in Organic Farming: A Comparison of Field vs. Laboratory Methods. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Sathiya Bama, K Somasundaram; Shanmugasundaram, S Porpavai; Kandasamy, G Selvakumari and Thangamuthu, T Jayaraj (2008) MAINTENANCE OF SOIL QUALITY PARAMETERS THROUGH HUMIC ACID APPLICATION IN AN ALFISOL AND INCEPTISOL. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Schjønning, P. (2007) The role of soil science in optimization of soil resource management. NJF's 23rd Congress: Trends and Perspectives in Agriculture, Copenhagen, June 26-29 2007. ^**

Schjønning, P.; Iversen, B.V.; Munkholm, L.J.; Labouriau, R. and Jacobsen, O.H. (2005) Pore characteristics and hydraulic properties of a sandy loam supplied for a century with either animal manure or mineral fertilizers. Soil Use and Management, 21, pp. 265-275. [ In Press , 2005]

Schjønning, P.; Munkholm, L.J.; Elmholt, S. and Olesen, J.E. (2007) Organic matter and soil tilth in arable farming: Management makes a difference within 5-6 years. Agriculture, Ecosytems and Environment, 122, pp. 157-172.

Schjønning, P. and Rasmussen, K.J. (2000) Soil strength and soil pore characteristics for direct-drilled and ploughed soils. Soil and Tillage Research, 57 (1-2), pp. 69-82.

Schjønning, P.; Thomsen, I.K.; Møberg, J.P.; de Jonge, H.; Kristensen, K. and B.T., Christensen (1999) Turnover of organic matter in differently textured soils. I. Physical characteristics of structurally disturbed and intact soils. Geoderma, 89 (3-4), pp. 177-198.

Schjønning, Per; Elmholt, Susanne; Munkholm, Lars J. and Debosz, Kasia (2002) Soil quality aspects of humid sandy loams as influenced by organic and conventional long-term management. Agriculture, Ecosystems & Environment, 88 (3), pp. 195-214. ^**

Schjønning, Per; Munkholm, Lars J.; Moldrup, Per and Jakobsen, Ole H. (2002) Modelling soil pore characteristics from measurements of air exchange: the long-term effects of fertilization and crop rotation. European Journal of Soil Science, 53 (2), pp. 331-339. ^**

Schjønning, Per; Rasmussen, Karl J.; Munkholm, Lars J. and Nielsen, Peter S. (2002) Jordbearbejdning i økologisk jordbrug – pløjedybde og ikke-vendende jordløsning [Soil tillage in organic farming – ploughing depth and non-inversion deep tillage]. DJF Rapport, Markbrug, 82. ^*

Schuler, Christiana; Raupp, Joachim and George, Eckhard (2008) The importance of amino-N for humus formation studied by comparing amino-N input to the soil and soil total nitrogen content in long-term experiments. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Siebrecht, Norman and Kainz, Max (2009) Wirkungen des Ökologischen Landbaus auf Bodenerosion – Beitrag 3: Eignung bestehender Methoden, Defizite und Anpassungsbedarf. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Sukkel, Wijnand; van Geel, Willem and de Haan, Janjo (2008) Carbon sequestration in organic and conventional managed soils in the Netherlands. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Terhoeven-Urselmans, Thomas; Ilein, Florian; Schmidt, Harald and Ludwig, Bernard (2007) Kann man mit Nahinfrarot-Spektroskopie die Bodenfruchtbarkeit bestimmen? [Is near-infrared spectroscopy capable to determine soil fertility?] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Thomsen, I.K.; Schjønning, P.; Jensen, B.; Kristensen, K. and Christensen, B.T. (1999) Turnover of organic matter in differently textured soils: II. Microbial activity as influenced by soil water regimes. Geoderma, 89 (3-4), pp. 199-218.

Thorup-Kristensen, Kristian; Magid, Jacob and Jensen, Lars Stoumann (2003) Catch crops and green manures as biological tools in nitrogen management in temperate zones. In: Advances in Agronomy, Elsevier, pp. 227-302. [ In Press , 2003] ^*

Van den Akker, J.J.H. and Schjønning, P. (2004) Subsoil Compaction and Ways to Prevent It. In: Schjønning, P.; Elmholt, S. and Christensen, B.T. (Eds.) Managing Soil Quality: Challenges in Modern Agriculture, CABI Publishing, Wallingford, UK, chapter 10, pp. 163-184. ^**

van der Burgt, Ir. G.J.H.M.; Timmermans, Dr. B.G.H. and Staps, Ing. J.J.M. (2008) Dutch (organic) agriculture, carbon sequestration and energy production. Ecomit, 5th international scientific conference on sustainable farming systems, Piestany, Slovakia, 5-7 November 2008.

van Diepeningen, Anne D.; Blok, Wim; Korthals, Gerhard W. and van Bruggen, Ariena H.C. (2005) Soil heath: a comparison between organically and conventionally managed arable soils in the netherlands. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Vedie, Hélène; Berry, Dominique; Leclerc, Blaise; Grébert, David and Lhôte, Jean-Michel (2008) A new approach to soil tillage for organic vegetable production: permanent beds. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (2004) Effects of plant residues on crop performance, N mineralisation and microbial activity including field CO2 and N2O fluxes in unfertilised crop rotations. Nutrient Cycling in Agroecosystems, 70, pp. 189-199. [ Unpublished, ]

Vinther, Finn P. (2000) Symbiotic nitrogen fixation and N-transfer in a grass-white clover mixture. Grassland Farming, EGF 2000, Aalborg, Denmark, 22 - 25 May 2000. In: Grassland Science in Europe, 5, pp. 415-417. ^*

Vinther, Finn P. (2000) Symbiotic nitrogen fixation and N-transfer in a grass-white clover mixture. Grassland Science in Europe, 5, pp. 415-417. ^*

Vinther, Finn P. and Jensen, Erik S. (2000) Estimating legume N2 fixation in a grass-clover mixture of grazed organic cropping systems using two 15N methods. Agriculture, Ecosystems & Environment, 78, pp. 139-147. ^*

Watson, C.A.; Atkinson, D.; Gosling, P.; Jackson, L.R. and Rayns, F.W. (2002) Managing soil fertility in organic farming systems. Soil Use and Management, 18, pp. 239-247.

Watson, C.A.; Bengtsson, H.; Ebbesvik, M.; Loes, A-K.; Myrbeck, A.; Salomon, E.; Schroder, J. and Stockdale, E.A. (2002) A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility. Soil Use and Management, 18, pp. 264-273.

Weber, Marion and Emmerling, PD Dr. Christoph (2005) Zehn Jahre differenzierte Grundbodenbearbeitung im ökologischen Ackerbau (Projekt Ökologische Bodenbewirtschaftung) - Entwicklung der organischen Bodensubstanz, Nährstoffgehalte sowie bodenbiologischen Eigenschaften. [Long-term effects of reduced and conservation tillage in organic farming on soil organic matter and nutrient content, and soil biological properties.] 8. Wissenschaftstagung Ökologischer Landbau - Ende der Nische, Kassel, 01.03.2005 - 04.03.2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.

Widmer, F.; Fliessbach, A.; Laczkó, E.; Schulze-Aurich, J. and Zeyer, J. (2001) Assessing soil biological characteristics: a comparison of bulk soil community DNA-, PLFA-, and Biolog-analyses. Soil Biology & Biochemistry (33), pp. 1029-1036.

Willekens, Koen; De Vliegher, Alex; Vandecasteele, Bart and Carlier, Lucien (2008) Effect of Compost versus Animal Manure Fertilization on Crop Development, Yield and Nitrogen Residue in the Organic Cultivation of Potatoes. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Zanen, M.; Bokhorst, J.G. and Koopmans, C.J. (2008) Soil Fertility and Biodiversity effects from Organic Amendments in Organic Farming. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Zanen, Ir. M. and Koopmans, Dr. Ir. C.J. (2008) Improving Soil Structure and Nitrogen Use Efficiency by GPS-controlled Precision Tillage Technology in Organic Farming. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Zanen, Marleen and Koopmans, Chris (2005) Nitrogen efficiency in organic farming using a GPS precision farming technique. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Zundel, Christine; Kilcher, Lukas and Mäder, Paul (2007) Was kann der biologische Landbau zur nachhaltigen Entwicklung im Süden beitragen? – Langfristige Systemvergleiche in den Tropen. [What can organic agriculture contribute to sustainable development? – Long-term farming system comparisons in the tropics.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Not peer-reviewed

Raupp, Joachim; Pekrun, Carola; Oltmanns, Meike and Köpke, Ulrich (Eds.) (2006) Long Term Field Experiments in Organic Farming. ISOFAR Scientific Series, 1. Verlag Dr. Köster, Berlin.

Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz and Stiftung Ökologie und Landbau, Bad Dürkheim (Eds.) (2002) Bodenbearbeitung und Bodengesundheit. Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz) [Soil cultivation and soil health - first results of the project "ecological soil management" (POEB) in Woerrstadt-Rommersheim (Rhineland-Palatinate/Germany)]. Schriftenreihe der Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz, 13. Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim.

Alakukku, Laura; Ristolainen, Antti and Nuutinen, Visa (2008) Differences in physical properties of two clay soils. New insights into sustainable cultivation methods in agriculture : NJF seminar 418, Piikkiö, Finland, 17-19 September 2008. In: NJF Report, Nordic Association of Agricultural Scientists, 4 (3), p. 16.

Alfoeldi, Thomas; Fliessbach, Andreas; Geier, Uwe; Kilcher, Lukas; Niggli, Urs; Pfiffner, Lukas; Stolze, Matthias and Willer, Helga (2002) Organic Agriculture and the Environment. In: El-Hage Scialabba, Nadia and Caroline, Hattam (Eds.) Organic agriculture, environment and food security, Food and Agriculture Organisation of the United Nation (FAO), Rome, chapter 2.

Askegaard, Margrethe (2006) Rodukrudt hører ikke hjemme i økologisk planteproduktion. [Perennial weeds are undesirable in organic agriculture.] Kan høj produktion og lav miljøbelastning forenes i økologisk jordbrug?, Forskningscenter Foulum, 22. juni 2006.

Axelsen, Scenior scientist Jørgen Aagaard (2003) Efterafgrøder og grøngødning giver masser af liv i jorden. [Nitrogen catch crops and green manuere causes a lot of life in the soil.] In: Tidsskriftet Praktisk Økologi, 2003. [ In Press , 2003]

Bàrberi, Prof Dr Paolo; Mazzoncini, Prof Marco; Bigongiali, Federica and Antichi, Daniele (2006) SIMBIO-VEG: an interdisciplinary project for improvement of organic systems and meth-ods in arable and vegetable cropping. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Beckmann, Uta; Kolbe, Hartmut; Model, Annett and Russow, Rolf (2000) Ackerbausysteme im ökologischen Landbau. [Organic arable farming systems.] [ Unpublished, ]

Bending, Gary (2002) Changes to soil quality indicators following conversion to organic vegetable production (OF0401).

Berner, Alfred; Frei, Röbi and Mäder, Paul (2003) Einfluss von biologisch-dynamischen Präparaten, Düngung und Bodenbearbeitung auf Bodenfruchtbarkeit und Ertrag. [Effects of biobynamic preparations, fertilisation and soil management on soil fertility and yields.] Projektbericht. [ Unpublished, ]

Berner, Alfred; Gloor, S.; Fuchs, Jacques G.; Tamm, Lucius and Mäder, Paul (2003) Gesunder Boden - gesunde Pflanzen. [Healthy soils - healthy plants.] In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003, Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, pp. 443-444.

Berner, Alfred; Heller, Stefan and Mäder, Paul (1999) Nährstoffbilanzen im biologischen Landbau. [Nutrient balances in organic agriculture.] In: Hoffmann, H. and Müller, S. (Eds.) Beiträge zur 5. Wissenschaftstagung zum Ökologischen Landbau "Vom Rand zur Mitte". 23.-25.02.1999. Humboldt Universität zu Berlin, Verlag Dr. Köster, Berlin, pp. 226-229.

Berner, Alfred; Mäder, Paul; Schaub, Daniel and Ott, Martin (2004) Feldrandkompostierung - ein Problem für das Grundwasser? Umwelt Aargau (26), pp. 9-12.

Berner, Alfred; Scherrer, Daniel and Alföldi, Thomas (1997) Stickstoffeffizienz von unterschiedlich aufbereiteten Misten in einer Ackerbaufruchtfolge auf Lösslehm. In: Köpke, U. and Eisele, J.-A. (Eds.) Beiträge zur 4. Wissenschaftstagung zum Ökologischen Landbau. 03.-04.03.1997 an der Rheinischen Friedrich-Wilhelms-Universität, Bonn., Verlag Dr. Köster, Berlin, pp. 136-142.

Berntsen, J.; Grant, R.; Olesen, J.E.; Kristensen, I.S.; Vinther, F.P.; Mølgaard, J.P. and Petersen, B.M. (2006) Nitrate leaching from organic farming systems with rotational grass-clover and arable crops. Soil Use and Management (22), pp. 197-208.

Berntsen, J.; Petersen, B.M.; Kristensen, I.S. and Olesen, J.E. (2004) Nitratudvaskning fra økologiske og konventionelle planteavlsbedrifter - simuleringer med FASSET bedriftsmodellen. Intern rapport, 56. ^*

Berntsen, Jørgen; Petersen, B.M.; Pedersen, A. and Jensen, L.S. (2003) Simulating leaching losses following incorporation of grass and grass-clover leys. DARCOFenews (4).

Beste, Andrea (2007) Klimaschutz auf Kosten des Bodenschutzes? [Climate protection at the expense of soil conservation?] Local Land and Soil News (22/23), pp. 28-29.

Beste, Andrea (2004) Vorsorgender Erosionsschutz im Ackerbau – Förderung der Lebendverbauung durch Fruchtfolge, organische Düngung und angepasste Bodenbearbeitungstechnik. [Provisional Soil Protection from Erosion in Agriculture - Support of Biogenic Structure Development with Crop Rotation, Organic Manuring and Suitable Tillage Techniques.] Local Land and Soil News, The Bulletin of the European Land and Soil Aliance (ELSA), 2/3 (10/11), p. 33.

Beste, Andrea (2003) Weiterentwicklung und Erprobung der Spatendiagnose als Feldmethode zur Bestimmung ökologisch wichtiger Gefügeeigenschaften landwirtschaftlich genutzter Böden [Further Development and Improvement of Spade Diagnosis as Field Method for the Evaluation of Ecological Significant Structure Parameters of Soils under Agricultural Management]. Thesis, Justus-von-Liebig-Universität Gießen, Institut für Pflanzenbau und Pflanzenzüchtung.

Beste, Andrea (2002) Das Problem mit dem Wasser ist ein Bodenproblem [The water problem is a soil problem]. Ökologie & Landbau, 124 (4/2002), pp. 24-26.

Beste, Andrea (2000) Maintaining ecological soil functions - techniques in organic farming systems. Conference of Korean Organic Agriculture, Seoul, 08.12.2000. In: Korean Society of Organic Agriculture, (Ed.) Proceedings Conference of Korean Organic Agriculture, Seoul, Korean Society of Organic Agriculture, p. 143.

Beste, Andrea (1999) Ernährungssicherung durch ökologische und sozialverträgliche Bodennutzung [Securing adequate food supply by ecologically and socially responsible land use]. Ökologie & Landbau, 4/1999 (112), pp. 40-42.

Beste, Andrea (1999) Wie muss Boden bewirtschaftet werden, damit seine ökologische Funktionsfähigkeit langfristig erhalten bleibt? [How does soil need to be managed to maintain its long-term ecological functioning?]. 3. Gaytaler Gespräche, Neuerburg/Vianden, 6. - 8. 5. 1999. In: Positionen und Vorschläge, 3. Gaytaler Gespräche. Wege zu einer nachhaltigen Entwicklung in der Region. Die Rolle des Bodens.

Beste, Andrea; Hampl, Ulrich and Kussel, Norbert (2001) Bodenschutz in der Landwirtschaft: Einfache Bodenbeurteilung für Praxis, Beratung und Forschung. [Soil conservation in agriculture: Simple soil evaluation for practice, extension and research.] Ökologische Konzepte, 101. Stiftung Ökologie und Landbau, Bad Dürkheim.

Beste, Dr Andrea (2007) Klimaschutz auf Kosten des Bodens? [Protecting Climate versus Soil Quality?] Lebendige Erde (05), p. 19.

Beste, Dr. Andrea (2005) Qualitative Bodenbeurteilung zur Erhaltung der Bodenfunktionen für Produktion, Gewässerschutz und Hochwasservermeidung. [Qualitative soil assessment - maintaining soil functions for clean water ressources, avoiding inundations, improving production.]

Beste, Dr. Andrea (2005) Bodenqualität als Grundlage für Produktqualität im ökologischen Lanbdau. [Soil quality - a precondition for food quality in organic farming.] XXXI Fortbildungskurs der Interessensgemeinschaft Ökologischer Landbau e.V. "Boden, Pflanze, Tier, Vermarktung", Bad Düben, 10./11.03.2005. In: Einsiedel, SIGÖL, Roland (Ed.) XXXI Fortbildungskurs der Interessensgemeinschaft Ökologischer Landbau e.V. "Boden, Pflanze, Tier, Vermarktung", Heft 15/2005, pp. 15-26.

Braun, Michaela; Schmidt, Harald and Grundler, Thomas (2009) Vergleich verschiedener Klee-Gras-Mischungen anhand der Wurzel- und Sprossleistung. Öko-Landbau-Tag 2009, Freising-Weihenstephan, 28.04.2009. In: Wiesinger, Klaus and Cais, Kathrin (Eds.) Angewandte Forschung un Beratung für den ökologischen Landbau in Bayern; Öko-Landbau-Tag 2009, Bayerische Landesanstalt für Landwirtschaft, Freising-Weihenstephan.

Bugge Henriksen, Christian (2000) Er kamme et alternativ til pløjning? Det Kgl. Danske Landhusholdningsselskabs Akademiråds efterårsseminar, Foulum, Denmark, November 8. 2000.

Canali, S.; Riva, F.; Natalini, M. and Sequi, P. (2002) Il registro dei fertilizzanti per l'agricoltura biologica. [The Register of fertilisers and soil conditioners in organic farming.] In: L’ Informatore Agrario, February 2002, pp. 5-7.

Canali, Stefano (2005) Il ruolo della fertirrigazione in agricoltura biologica. [The ferti-irrigation role in organic farming.] www.phytomagazine.com, Speciale fertirrigazione ( 10), pp. 79-84.

Christensen, Bent T. (2000) Hvad forstås ved begrebet jordens frugtbarhed. Tidsskrift for Landøkonomi, 187 (4), pp. 276-279. ^**

Christian Bugge, Henriksen (2000) Kamme - et alternativ til pløjning? Det Kgl. Danske Landhusholdningsselskabs Akademiråds Efterårsseminar, Foulum, Denmark, November 8, 2000. In: P. Dam, Hans (Ed.) Tidsskrift for Landøkonomi, Det Kgl. Danske Landhusholdningsselskab, 187 (4), pp. 311-314.

Cuijpers, Willemijn and van der Burgt, Geert-Jan (2008) Bodemvitaliteit in de biologische kasteelt: Effect van grondbewerking en introductie van regenwormen op de bodemstructuur. [Soil vitality in organic glasshouse crops.] Louis Bolk Instituut publications, LB23.

Cuvardic, Assoc. Prof. Maja; Seremesic, M.Sc. Srdjan and Novakovic, Dipl. ing. Nenad (2006) Soil Fertility in Organic Farming in the First Years After Transition. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

De Boer, H.C. and Van Eekeren, N. (2007) Bodemverdichting door berijden bij zodebemesten: effecten op opbrengst en voederwaarde van gras-klaver, bodemstructuur en biologische bodemkwaliteit. [Soil compaction due to trafficking during slurry injection: effects on yield and nutritional value of grass-clover, soil structure and biological soil quality.] Report, 47.

Dierauer, Hansueli and Böhler, Daniel (2004) Bio ohne Vieh ist eine grosse Herausforderung. [Organic Agriculture without livestock is a big challenge.] Bioaktuell (2/04), pp. 16-17.

Dubois, David; Mäder, Paul; Fliessbach, Andreas and Strasser, Fredi (2003) Auswirkungen reduzierter Hofdüngergaben im Bioackerbau. [Effects of reducing farm yard manure in organic arable farming.] Bioaktuell (9/03), pp. 6-7.

EL HANAFI SEBTI, Kawtar (2005) Compost tea effects on soil fertility and plant growth of organic tomato (Solanum Lycopersicum Mill) in comparison with different organic fertilizers. [Effets du jus de compost sur la fertilité du sol et la croissance de la plante chez la tomate biologique (Solanum Lycopersicum Mill) par rapport aux différents fertilisants. biologiques.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. [ Unpublished, ]

Elmholt, S. and Holmstrup, M. (2003) Livet i jorden. In: Holmstrup, M. (Ed.) Økologisk landbrug og naturen - gør økologisk landbrug en forskel for natur og miljø?, Gads Forlag, chapter 2, pp. 21-31.

Elmholt, Susanne; Munkholm, Lars J.; Debosz, Kasia and Schjønning, Per (2000) Biotic and abiotic binding and bonding mechanisms in soils with long-term differences in management. Soil Stresses, Quality and Care, Aas, Norway, 10-12 April 2000. In: Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and Nuutinen, V. (Eds.) DIAS report, Danish Institute of Agricultural Sciences, 38, pp. 53-62. ^*

Emmerling, Christoph (2002) Einfluss reduzierter Grundbodenbearbeitung im Ökologischen Landbau auf bodenökologische Eigenschaften. [Reduced tillage in organic farming: impact on soil ecology.] In: Bodenbearbeitung und Bodengesundheit: Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz), Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim, pp. 25-46.

Esperschütz, Jürgen; Gattinger, Andreas; Schloter, Michael and Fließbach, Andreas (2005) Strukturelle und funktionelle Charakterisierung von mikrobiellen Gemeinschaften in ökologisch und konventionell bewirtschafteten Ackerböden. 8. Wissenschaftstagung Ökologischer Landbau, Kassel, 1.-4. März 2005. In: Hess, Jürgen and Rahmann, Gerold (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, pp. 17-20.

Eyhorn, Frank; Mäder, Paul and Ramakrishnan, Mahesh (2005) The Impact of Organic Cotton Farming on the Livelihoods of Smallholders. Evidence from the Maikaal bioRe poject in central India. Research Report. [ Unpublished, ]

Fliessbach, A. and Mäder, P. (2005) Biological soil quality as a factor of efficient resource utilization in organic farming systems. Organic Farming, Food Quality and Health, Newcastle upon Tyne, 06.-09.01.2005. In: Leifert, C. (Ed.) Organic Farming, Food Quality and Health.

Fliessbach, A. and Widmer, F. (2005) Microbial Biomass and Numbers. In: Bloem, J.; Hopkins, D. and Benedetti, A. (Eds.) Microbiological Methods for Assessing Soil Quality, CAB International, pp. 73-76.

Fliessbach, Andreas; Buchleither, S.; Peng, S. and Mäder, Paul (2003) Kurzfristige und langfristige Auswirkungen von zwei Spritzfolgen im Kartoffelbau auf biologische Parameter der Bodenfruchtbarkeit. [Short-term and longterm effects of two sprayings in potato production on biological parameters of soil fertility.] VBB-Bulletin (7), pp. 7-10.

Fliessbach, Andreas; Hany, Roland; Rentsch, Daniel; Frei, Robert and Eyhorn, Frank (2000) DOC trail: soil organic matter quality and soil aggregate stability in organic and conventional soils. 13th International IFOAM Scientific Conference, Basel, 2000. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland.

Fliessbach, Andreas and Mäder, Paul (2000) DOC trial: diversity and metabolic effiency of microbial communities in organic and conventional soils. 13th International IFOAM Scientific Conference, Basel. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, vdf Hochschulverlag, Zürich, Switzerland.

Fliessbach, Andreas; Mäder, Paul; Pfiffner, Lukas; Dubois, D. and Gunst, L. (2000) Erkenntnisse aus 21 Jahren DOK-Versuch: Bio fördert Bodenfruchtbarkeit und Artenvielfalt. [Organic farming enhances soil fertility and biodiversity Results from a 21 year old field trial.] FiBL-Dossier, 1. Forschungsinstitut für biologischen Landbau, Frick.

Fliessbach, Dr. Andreas and Mäder, Dr. Paul (2006) Productivity, Soil Fertility and Biodiversity in Organic Agriculture. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Fließbach, A.; Mäder, P.; Dioup, A.; Hepperly, P.; Luttikholt, L.; Scialabba, N. and Niggli, U. (2009) Mitigation and Adaptation Strategies – Organic Agriculture. 21st Session of the FAO Committee on Agriculture, Rome, April 22-25, 2009. [ Unpublished, ]

Fließbach, Andreas; Schmidt, Christoph; Bruns, Christian; Palmer, Mike; Nietlispach, Bruno; Leifert, Carlo and Tamm, Lucius (2007) Soil biological quality in short- and long-term field trials with conventional and organic fertility input types. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Fuchs, J. G.; Baier, U.; Berner, A.; Mayer, J.; Tamm, L. and Schleiss, K. (2006) Potential of different composts to improve soil fertility. In: Kraft, E.; Bidlingmaier, W.; de Bertoldi, M.; Diaz, L.F. and Barth, J. (Eds.) Proceedings of the International Conference ORBIT 2006 "Biological Waste Management: From Local to Global", Part 2 Composting – Quality, Application and Benefit, Life Cycle Analysis, Sludge and Soil, ORBIT e.V. D-Weimar, pp. 529-538.

Fuchs, J.G.; Baier, U.; Berner, A.; Mayer, J.; Tamm, L. and Schleiss, K. (2006) Potential of different Composts to improve Soil Fertility and Plant Health. In: Kraft, Eckhard; Bidlingmaier, Werner; de Bartoldi, Marco; Diaz, Luis F. and Barth, Josef (Eds.) ORBIT 2006 : Biological Waste Management. From Local to Global; Proceedings of the International Conference ORBIT 2006, Verlag ORBIT e.V., Weimar, chapter Part 2, pp. 507-517.

Fuchs, Jacques (2003) Le composte de qualité au service de la santé des plantes. Alter Agri (61), pp. 7-9.

Fuchs, Jacques (2002) How to set up and manage a good compost. [ Unpublished, ]

GALAL ELGHARABLY, Ahmed (2002) Improving Compost Quality for Organic Vegetable production. [Amélioration de la qualité du compost pour la production biologique de cultures maraîchères.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. [ Unpublished, ]

Garibay, Salvador V. (2002) Manejo de la Fertilidad del Suelo en la Producción Orgánica. 1er. Foro Internacional sobre Producción Orgánica. Oportunidades y Retos del Entorno Mundial, Mexico, 24.-25.10.2002.

Gjettermann, Birgitte; Styczen, Merete; Hansen, Søren; Borggaard, Ole K. and Hansen, Hans C.B. (2005) Fractionation of dissolved organic matter and associated P during sorption to agricultural soil. [ Submitted , 2005] ^**

Gjettermann, Birgitte; Styczen, Merete; Hansen, Søren; Borggaard, Ole K. and Hansen, Hans C.B. (2004) Sorption of dissolved organic C and P to agricultural top- and subsoil. ATV MØDE. VINTERMØDE OM JORD- OG GRUNDVANDSFORURERNING, VINGSTEDCENTRET, 9.-10. marts 2004.. In: Bruun, Bente (Ed.) ATV Jord og Grundvand. Vintermøde om jord- og grundvandsforurerening., ATV-fonden for jord og grundvand. DTU., pp. 435-444. ^**

Gollner, Manfred (2003) Auswirkungen acker- und pflanzenbaulicher Maßnahmen sowie der Dauer der ökologischen Bewirtschaftung auf die arbuskuläre Mykorrhiza im Ökologischen Landbau. [Effects of agronomic practices and duration of organic management on arbuscular mycorrhiza (AM) in organic agriculture.] Thesis, Universität für Bodenkultur, Wien, Institut für Ökologischen Landbau.

Gosling, Paul and Shepherd, Mark (2002) Theory and reality of organic soil fertility - organic matter. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 137-138.

Goulding, Keith; Stockdale, Elizabeth; Fortune, Sharon and Watson, Christine (2000) Nutrient cycling on organic farms. Journal of the Royal Agricultural Society of England, 161, pp. 65-75.

Grossmann, Cand. agro. Freya (2002) Forbedring af jordkvaliteten efter jordpakning - er løsning løsningen? Thesis, KVL, Sektion for Økologisk Jordbrug. ^**

HAFID, Hicham (2002) Effet de la fertilisation organique sur la production de semences biologiques de deux variétés du haricot vert et sur les propriétés chimiques du sol. [Effect of organic fertilisation on the production of organic seeds of two snap bean varieties and on the soil chemical properties.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. [ Unpublished, ]

Hampl, Ulrich (2003) Projekt Ökologische Bodenbewirtschaftung (PÖB) - Ergebnisse nach sieben Jahren [Project Ecological Soil Management - results after seven years]. 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur - Institut für ökologischen Landbau, Wien, pp. 455-456.

Hampl, Ulrich (2000) Halbzeitergebnisse im Projekt Ökologische Bodenbewirtschaftung (PÖB) [Results of the project ecological soil management (POEB) after five years]. Ökologie & Landbau, 115 (3/2000), pp. 36-37.

Hatch, David; Shepherd, Mark and Hatley, Damian (2002) Understanding soil nitrogen supply: organic matter quality and quantity. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 145-146.

Hauggaard-Nielsen, Henrik; Jensen, Erik Steen; Carter, Mette S.; Johansen, Anders and Ambus, Per (2009) Strip intercropping strategy for biomass to energy production while on the same time maintaining soil fertility. NJF seminar 428: Energy conversion from biomass production - EU-AgroBiogas, Viborg, Denmark, 9-10 September, 2009. In: NJF Report, Vol. 5, No 3, Year 2009, NJF General Secretariat, Stockholm, Sweden.

Hilber, Isabel; Wyss, Gabriela S.; Mäder, Paul and Schulin, Rainer (2007) Organochlorine pesticide residues assessed in a greenhouse survey in 2005 and a concept of bioavailability experiments. WG2 and WG3 2nd Scientific Workshop: "-omics approaches and agricultural managements: diving forces to improve food quality and safety?", St. Etienne, France, 31 August – 2 September 2006.

Hoffmann, Heide and Hübner, W. (2001) Ökologischer Landbau auf leichten Böden - Ertragsparameter und Bodenfruchtbarkeitskennziffern aus dem Demonstrationsversuch Ackerbausysteme in Blumberg bei Berlin. [Organic Agriculture on sandy ground.] 6. Wissenschaftstagung zum Ökologischen Landbau, München, Februar 2001. In: Reents, H.-J. (Ed.) Beiträge zur 6. Wissenschaftstagung zum Ökologischen Landbau, Dr. Köster Verlag Berlin, pp. 171-174.

Horstkötter, Martin (2003) Ausweitung des Ökolandbaus in Wassergewinnungsgebieten. [Expansion of Organic Farming in Drinking Water Drainage Areas.] 7. Wissenschaftstagung zum Ökologischen Landbau, Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003.

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2004) Jahresbericht 2004. [Annual Report 2004.]

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2004) Arbeitsbericht 2003. [Annual Report 2003.]

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2003) Arbeitsbericht 2002 [Annual Report 2002].

Institut für Biologisch-Dynamische Forschung e.V., DE-Darmstadt (2002) Arbeitsbericht 2001 [Annual report 2001].

Johansen, A.; Hauggaard-Nielsen, H.; Ambus, P.; Dalgaard, T.; Jørgensen, U.; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Skytte, K.; Smith, J.E.; Thomsen, A.B.; Carter, M.S. and Jensen, E.S. (2008) Production of biomass and bioenergy in organic agriculture and its consequences for soil quality, environment, biodiversity and socio-economy. [Produktion af biomasse og bioenergi i økologisk jordbrug og konsekvenserne for jord kvalitet, miljø, biodiversitet og socio-økonomi.] ALTERNET Workshop: Interlinkage between Biodiversity and Bioenergy, Edinburgh, 20th - 21st October 2008.

Junrungreang, Miss Supaporn; Nakapraves, Mr. Pracha and Shinon, Miss Sirinapa (2006) Organic agricultural systems for cassava crops in upland soil of Thailand. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Kahle, Petra; Baum, Christel and Borchwardt, Monika (2004) Auswirkungen mehrjähriger ökologischer Bewirtschaftung auf ausgewählte Bodeneigenschaften, dargestellt am Beispiel des Versuchsfeldes Gülzow. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Kainz, Max; Kimmelmann, Stefan and Reents, Hans-Jürgen (2003) Bodenbearbeitung im Ökolandbau – Ergebnisse und Erfahrungen aus einem langjährigen Feldversuch. [Soil cultivation in organic farming - results and experiences from a long-term field trial.] Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, Universität für Bodenkultur Wien, Institut für Ökologischen Landbau, pp. 33-36.

Kjellenberg, Lars and Granstedt, Artur (2005) The K-trial. A 33-years study of the connections between manuring, soils and crops.

Köhler, Brigitte and Kolbe, Hartmut (2008) PC-Programm BEFU, Teil Ökologischer Landbau: Verfahren zur Grunddüngung, Nährstoff- und Humusbilanzierung. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [ Unpublished, ]

Kolbe, Hartmut (2009) Standarduntersuchungsprogramm zu Bodenfruchtbarkeit und Nährstoffmanagement im Ökolandbau. Tagung des Arbeitskreises Versuchsansteller im Ökologischen Landbau, Uelzen, 23. - 24. 06. 2009. [ Unpublished, ]

Kolbe, Hartmut (2008) Einfache Verfahren zur Berechnung der Humusbilanz für konventionelle und ökologische Anbaubedingungen. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [ Unpublished, ]

Kolbe, Hartmut (2008) Nährstoffmanagement im Umstellungsbetrieb. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [ Unpublished, ]

Kolbe, Hartmut (2008) Wirkung organischer Düngemittel auf Ertrag und Qualität von Kartoffeln im Ökologischen Landbau. [Effects of organic fertilizers on yield and quality of potatoes.] Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [ Unpublished, ]

Kolbe, Hartmut (2007) Berücksichtigung von Standort- und Bewirtschaftungsfaktoren bei der Verbesserung von Verfahren der Grunddüngung und Humusbilanzierung unterschiedlich intensiver Anbausysteme. [Improvement of basic fertilization and humus balance methods subject to site and cultivation factors on farming systems of diffenrent intensity.] Working paper, Fachbereich Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, DE-Leipzig. [ Unpublished, ]

Kolbe, Hartmut (2007) Ökologischer Ackerbau: Fruchtfolgegestaltung und Düngungsplanung. Fortbildungsveranstaltung für die Landwirtschaftsverwaltung. Landesanstalt für Entwicklung der Landwirtschaft, Schwäbisch Gmünd, 03.07.2007.

Kolbe, Hartmut (2007) Vorstellung eines Kalkulationsprogramms für den ökologischen Landbau: Grunddüngung, Humusbilanzierung, legume N-Bindung, Nährstoffbilanzierung. Naturland Ackerbautagung, Bernburg, 22.02.2007.

Kolbe, Hartmut (2006) Anforderungen an die Humusbilanzierung in der Praxis des ökologischen Landbaus. [Requirements for humus balance methods using in organic farming practice.] Schriftenreihe der Sächsischen Landesanstalt für Landwirtschaft. [ In Press , 2006]

Kolbe, Dr. Hartmut (2006) Dauerversuch zur komplexen Prüfung ökologischer Anbau- und Düngungsverfahren – Anbaujahr 2005 Triticale –. [Log-term field trial for complex examination of organic cultivation and fertilization systems – Cultivation of triticale in 2005 –.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Kolbe, Dr. Hartmut (2006) Leistungsfähigkeit von Merkmalen der Bodenfruchtbarkeit für das Nährstoffmanagement des ökologischen Landbaus. [Reliability of soil fertility properties for use in nutrient management of organic farming.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Kolbe, Dr. Hartmut (2006) Methode zur standortangepassten Humusbilanzierung von Ackerland im Integrierten und Ökologischen Landbau. [Site adjusted humus balance method for use in integrated and organic farming arable land.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Kolbe, Dr. Hartmut (2006) Vergleich von Bilanzierungsmethoden für Humus an Hand langjähriger Dauerversuche. [Comparison of humus balance methods using long-term field trials.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Kolbe, Dr. Hartmut and Prutzer, Dipl. Ing. agr. Ina (2004) Überprüfung und Anpassung von Bilanzierungsmodellen für Humus an Hand von Langzeitversuchen des Ackerlandes. [Verification of humus balance methods using arable land long-term field trials.] [ Unpublished, ]

Koller, Martin and Lichtenhahn, Martin (2003) Dünger aus dem Sack. Ernte. Zeitschrift für Landwirtschaft und Ökologie (5), pp. 26-27.

Koopmans, C.J.; Zanen, M. and Bokhorst, J. G. (2008) Organic fertilisers of the MAC trial and their impact on soil quality, environment and climate change. The 5th International Scientific Conference on Sustainable Farming Systems - ECOMIT, Piešťany, Slovakia, November 5-7, 2008. [ In Press , 2008]

Koopmans, Chris J. and van der Burgt, Geert-Jan (2005) NDICEA as a user friendly model tool for crop rotation planning in organic farming. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Köppen, Detloff (2002) Entwicklung und Inhalt der Kategorie „Bodenfruchtbarkeit“ (Development and Contents of the Category „ Soil Fertility“). Zeitschrift für Pflanzenbauwissenschaften ,, 2 (6), pp. 57-62.

Kuestermann, Bjoern and Huelsbergen, Kurt-Juergen (2005) Modelling Carbon Cycles as Basis of an Emission Inventory in Farms – The Example of an Organic Farming System. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Kupper, Thomas and Fuchs, Jacques (2007) Compost et digestat en Suisse. [Kompost und Gärgut in der Schweiz.] Umwelt Wissen (43), p. 126.

Kupper, Thomas and Fuchs, Jacques (2007) Kompost und Gärgut in der Schweiz. [Compost et digestat en Suisse.] Umwelt Wissen (43), p. 126.

Luxhøi, Jesper; Brøgger, Morten; Knudsen, Inge M.B.; Poulsen, Pernille H.B.; Møller, Jacob; Jensen, Birgit; Jensen, Dan F. and Magid, Jakob (2006) Functional Compost. ORBIT 2006: Biological Waste Management, Weimar, Germany, 13. September 2006 - 15 September 2006. In: The ORBIT 2006 Conference Proceedings publication. [ In Press , 2006] ^**

Mäder, Paul; Heller, Stefan and Koller, Martin (2002) Bodenuntersuchungen für Biobetriebe. Merkblatt. Forschungsinstitut für biologischen Landbau, Frick.

Mäder, Dr. Paul; Fliessbach, Dr. Andreas; Dubois, Dr. David; Gunst, Lucie; Fried, Dr. Padruot and Niggli, Dr. Urs (2002) Bodenfruchtbarkeit und biologische Vielfalt im ökologischen Landbau. [Soil fertilty and biodiversity in organic farming.] Oekologie & Landbau, 124, pp. 12-16.

Maskalchuk, Leanid and Pozilova, Natalja (2006) ORGANIC FERTILIZERS, ORGANOMINERAL MIXTURES AND POTTING SOILS PRODUCTION USING RAW MATERIAL STORE OF BELARUS. [ORGANIC FERTILIZERS, ORGANOMINERAL MIXTURES AND POTTING SOILS PRODUCTION USING RAW MATERIAL STORE OF BELARUS.] Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Mata, Macarena; Garrido, Marisol; Longhurst, Phil and Seaton, Roger (2002) A method for soil health assessment in the conversion to organic farming. UK Organic Research 2002 Conference of the Colloquium of Organic Researchers (COR), Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 149-151.

May-Roberts, S; Robertson, J; Killham, K and Paton, G (2006) Soil sustainability in organic agricultural production. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 307-310.

Meyer-Aurich, Andreas; Schuler, Johannes; Zander, Peter and Bachinger, Johann (2003) Integration von Umweltzielen in die Betriebsoptimierung im ökologischen Landbau – Möglichkeiten und Grenzen am Beispiel des Versuchsbetriebes Klostergut Scheyern. [Integration of environmental aims in optimising operations in organic farming - Possibilities and limits on the pilot farm Klostergut Scheyern.] 7. Wissenschaftstagung zum Ökologischen Landbau, Ökologischer Landbau der Zukunft, Wien, 24.-26. Februar 2003.

Migliorini, Paola and Vazzana, Concetta (2006) Evaluation of sustainability: results from long term experimental arable systems in Tuscany. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 175-179.

Morgner, Marion; Fliessbach, Andreas and Mäder, Paul (2003) DOK-Versuch. [The DOK-Trial.] Online at <http://www.oekolandbau.de/index.cfm?000C39F26BAE1D6FB99D01A5C0A8E066>, 2003. Abgerufen am 23. Juni 2004
Die Texte wurden im Rahmen des Bundesprogramms Ökologischer Landbau für das Zentrale Internetportal Ökologischer Landbau (www.oekolandbau.de) erstellt.

Munkholm, L.J. (2003) Genpakning af jord efter dybdeløsning. [Recompaction of mechanically loosened subsoil.] In: Økologisk Jordbrug, 2003, p. 6.

Munkholm, L.J. (2001) Jordens smuldreevne har stor betydning. [Soil friability.] In: Økologisk Jordbrug, 2001, p. 8. ^**

Munkholm, L.J. and Schjønning, P. (2003) Compacted subsoils in organic farming: Mechanical loosening and the risk of recompaction. Online at <http://www.darcof.dk/enews/sep03/soil.html>, September 2003. Accessed 23. September 2004.

Munkholm, L.J. and Schjønning, P. (2003) Mechanical subsoiling: Mitigation of recompaction by light traffic and on-land ploughing. 16th International Conference of the International Soil Tillage Research Organization, Brisbane, Australia, July 2003. In: Proceedings, 16th International Conference of the International Soil Tillage Research Organization (CD-ROM).

Munkholm, L.J.; Schjønning, P.; Heckrath, G. and Jørgensen, M.H. (2000) Pløjefri dyrkning: effekter på jordens frugtbarhed. [Ploughless tillage: impact on soil quality.] Landhusholdningsselskabets Efterårsseminar 2000, Forskningscenter Foulum, November 2000. In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 306-309. [ Unpublished, ] ^**

Munkholm, L.J.; Schjønning, P. and Rasmussen, K.J. (1998) Non-inverting soil tillage as a means of optimising soil tilth. [Ikke-vendende jordbearbejdning til sikring af en bekvem jord.] Soil tillage and biology, Agricultural University of Norway, Ås, Norway, 8-10 June 1998. In: Børresen, T. (Ed.) NJF-UTREDNING/RAPPORT, 124, pp. 26-33.

Munkholm, Lars J; Schjønning, Per and Rasmussen, Karl J (2000) Non-inverting Tillage: Early-Stage Effects on Soil Mechanical Behaviour. 15th ISTRO Conference, Texas, June 2000. In: Morrison, J.E. (Ed.) CD-ROM: Proceedings 15th ISTRO Conference, Texas, June 2000, pp. 1-10. [ Unpublished, ] ^**

Munkholm, Lars J. (2005) Jordløsning i sædskifteforsøg. [Subsoil loosening in an organic crop rotation rotation expriment.] In: Økologisk Jordbrug, 2005, p. 6. Økologisk Jordbrug.

Munkholm, Lars J. (2005) The spade analysis. Visual soil structure assessment - field meeting., INRA Agronomy Research Unit Laon-Reims-Mons, France, 25-27 May 2005. In: ISTRO Info, ISTRO. [ In Press , 2005]

Munkholm, Lars J. (2002) Sådan sikres en bekvem jord. [Soil Thith.] In: Landsbladet, December 2002, p. 32. Landsbladet.

Munkholm, Lars J. (2002) Soil Fragmentation and Friability. Effects of Soil Water and Soil Management. Thesis, Danish Institute of Agricultural Sciences, Department of Crop Physiology and Soil Science. ^**

Munkholm, Lars J. and Olesen, Jørgen E. (2004) Mekanisk jordløsning fjernede pløjesål men gav varierende effekt på udbyttet. [Subsoil loosening eliminated plough pan but had variable effect on crop yield.] FØJOenyt.

Munkholm, Lars J.; Olesen, Jørgen E. and Schjønning, Per (2005) Subsoil loosening eliminated plough pan but had variable effect on crop yield. Organic farming for a new millennium - status and future challenges, SLU Alnarp, 15-17 juni 2005. In: NJF Report, NJF, 1 (1), pp. 95-98.

Munkholm, Lars J.; Schjønning, Per and Elmholt, Susanne (2002) Soil structure dynamics: Effects of management and water content. Advances in Soil Structure Research workshop, Prince Edward Island, Canada, July 7-9 2002. [ Unpublished, ]

Myrbeck, Åsa (2005) Harvning - inte bara en ogräsfråga. [Harrowing - not only for controlling weeds.] Att navigera i en ny tid. Ekologiskt lantbruk konferens Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., Ultuna, Uppsala, 22-23 november 2005. In: Ekologiskt lantbruk konferens 22-23 november 2005. Ultuna, Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., Federativ tryckeri AB. [ Unpublished, ]

NIKOLIC, Jovan (2003) Overall study of compost water extract application through fertigation system in organic farming. [Etude sur l’application d’extrait liquide de compost à travers le système de fertigation en agriculture biologique.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. [ Unpublished, ]

Oberholzer, H.R.; Mäder, Paul and Fliessbach, Andreas (2000) DOC-trail: 20 years of organic and conventional farming affect soil microbial properties. 13th International IFOAM Scientific Conference, Basel. In: Alföldi, Thomas; Lockeretz, W. and Niggli, Urs (Eds.) Proceedings 13th International IFOAM Scientific Conference, p. 14.

Palojärvi, Ansa; Myllys, Merja and Alakukku, Laura (2003) On-farm soil quality estimations. NJF's 22nd congress "Nordic agriculture in global perspective", Turku, Finland, July 1-4, 2003.

Papadopoulos, A; Bird, N R A; Whitmore, A P and Mooney, S J (2006) The effects of organic farming on the soil physical environment. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 263-267.

Pedersen, Anders; Stoumann Jensen, Lars and Thorup-Kristensen, Kristian (2005) A model analysis on nitrate leaching under different soil and climate conditions and use of catch crops. at 14th N WORKSHOP “N management in agrosystems in relation to the Water Framework Directive”, Maastricht, The Netherlands, 24-26 October 2005,. [ Unpublished, ]

Philipps, Lois (2004) Soil Monitoring Programmes at Sheepdrove Organic Farm 2003-2004. [ Unpublished, ]

Philipps, Lois (2003) Sheepdrove Organic Farm Soils Programme Report 2003 Interim Report. [ Unpublished, ]

Philipps, Ms Lois; Stockdale, Dr Elizabeth A. and Waston, Dr Christine A. (2006) Do Farm Management Practices Alter Soil Biodiversity and Ecosystem Function? Implications for Sustainable Land Management. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Pietsch, G.; Friedel, J.K.; Rinnofner, T.; Strauss- Siebert, A.; Loiskandl, W.; Kikuta, S. and Freyer, B. (2005) Wasserhaushaltsmessungen in ökologisch bewirtschafteten Leguminosenbeständen im Trockengebiet Ostösterreichs. Wasser und Pflanzenbau - Herausforderungen für zukünftige Produktionssysteme, Wien, 27. - 29. September 2005. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 17, pp. 122-123.

Plümer, Tanja (2003) Untersuchungen zur Wurzeldynamik in einer fünfgliedrigen Ackerfruchtfolge bei wendender und nichtwendender Bodenbearbeitung im ökologischen Landbau - Erste Ergebnisse [Investigations on root dynamics of an organic five-year crop rotation with and without plough - first results]. 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Institut für ökologischen Landbau - Universität für Bodenkultur, Wien, pp. 457-458.

Plümer, Tanja (2002) Untersuchungen zur Wurzeldynamik in einer fünfgliedrigen Ackerfruchtfolge bei wendender und nichtwendender Bodenbearbeitung im ökologischen Landbau - Erste Ergebnisse. In: Bodenbearbeitung und Bodengesundheit. Zwischenergebnisse im Projekt Ökologische Bodenbewirtschaftung in Wörrstadt-Rommersheim (Rheinhessen, Rheinland-Pfalz), Landesanstalt für Pflanzenbau und Pflanzenschutz, Mainz und Stiftung Ökologie und Landbau, Bad Dürkheim, pp. 84-104.

Pommeresche, Reidun (2005) Aktiv jordforbedrer med krås. [Active soil improver with gizzard.] Økologisk landbruk (4), pp. 30-33.

Preston, Keith (2008) Management & sustainability of stockless organic arable and horticultural systems. Research Review for Advisors.

Rasche, Frank; Widmer, Franco; Mäder, Paul; Gattinger, Andreas and Fliessbach, Andreas (2003) Vergleich von Methoden zur Ermittlung der mikrobiellen Diversität in Böden des DOK-Versuches. 7. Wissenschaftstagung, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003, Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, p. 447.

Rasche, Frank; Widmer, Franco; Mäder, Paul; Gattinger, Andreas and Fließbach, Andreas (2003) Vergleich von Methoden zur Ermittlung der mikrobiellen Diversität in Böden des DOK-Versuches. [Comparison of methods to study microbial diversity in the soils of the DOK trial.] In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum ökologischen Landbau: Ökologischer Landbau der Zukunft. Wien, 24.-26. Februar 2003., Universität für Bodenkultur, Wien - Institut für Ökologischen Landbau, pp. 447-448.

Raupp, Joachim (2006) Ertrag und Qualitätseigenschaften von Sommerweizen und Kartoffeln bei organischer Düngung tierischer Herkunft (Rottemist) und pflanzlicher Herkunft (Ackerbohnenschrot). [Yield and quality parameters of spring wheat and potatoes with animal based fertiliser (composted manure) and plant based fertiliser (faba bean meal).] [ Unpublished, ]

Raupp, Joachim (2001) Zwanzig Jahre Langzeit-Düngungsversuch. Ökologie & Landbau (2/2001), pp. 29-31.

Raviv, Michael; Iviani, Ido and Laor, Yael (2006) The changing needs with time for mineral nutrition of organic stone fruit orchard under Mediterranean conditions. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, p. 111.

Rayns, Francis W; Jackson, Lorna R; Bending, Gary D; Turner, Mary K; Wood, Marting and Marx, Mare-Claude (2002) The effect of organic management on soil quality indicators. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 139-140.

Robertson, J F (2006) Balancing soil nutrient availability on commercial organic farms. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 297-299.

Sarapatka, Prof. Dr. Borivoj; Pokorny, Assoc. Prof. Ing. Eduard; Hejatkova, Ing. Kvetuse; Matlova, Ing. Vera and Krskova, Dr. Milena (2006) AN EVALUATION OF SELECTED SOIL PROPERTIES AND THEIR EFFECT ON THE BIOLOGICAL ACTIVITY OF SOILS IN ORGANIC FARMING IN THE CZECH REPUBLIC. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Scheidler, Vivienne (2004) Die Bedeutung der Anzuchterde für die Pflanzenentwicklung. [The importance of the propagation medium for the development of plants.] Bei diesem Eintrag handelt es sich um eine Abschlussarbeit, die am Ende des 4. Lehrjahres im Rahmen der Freien Ausbildung der Bäuerlichen Gesellschaft Nordwestdeutschland zur demeter-Gärtnerin angefertigt wurde.
Die gedruckte Version befindet sich im "Jahresarbeitenarchiv" auf Hof Wörme und kann dort eingesehen werden. Kontakt: Clemens von Schwanenflügel, Im Dorfe 2, 21256 Handeloh-Wörme, Tel: 04187 - 479. [ Unpublished, ]

Scheller, Edwin (2002) Eiweißstoffwechsel im Boden und Humusaufbau. [Protein metabolism in the soil and humification.] Lebendige Erde, 3/2002, pp. 40-43.

Schjønning, P. (2008) Undgå skadelig pakning af jorden. In: Økologisk Jordbrug, September 2008, p. 12. ^**

Schjønning, P. (2004) Kompakt jord. In: Agrologisk Marken, February 2004, pp. 16-18. ^*

Schjønning, P. (2004) Alsidig drift godt for jordens poresystem. [Crop rotation effects on the soil pore system.] In: Økologisk Jordbrug, 2004, p. 6.

Schjønning, P. (2004) Jordkvalitet, jordbrug og EU-planlægning af jordbeskyttelse – et eksempel på en proces med dansk indflydelse. Danmark i Verden, Forskningscenter Foulum, 29. november 2004. [ Unpublished, ] ^*

Schjønning, P. (2004) The soil quality concept as a tool for exposing values in science and promoting sustainability considerations. 4. International Congress of the European Society for Soil Conservation, Budapest, Hungary, 25-28 May 2004. In: Kertész, A.; Kovács, A.; Csuták, M.; Jakab, G. and Madarász, B. (Eds.) Proceedings of the 4th International Congress of the ESSC, Hungarian Academy of Sciences, Geographical Research Institute, 1112 Budapest, Budaörsi út 45, Hungary, pp. 108-112. ^**

Schjønning, P. (2003) Jordbearbejdning. [Soil tillage (in organic farming).] In: Økologisk Jordbrug, 2003, p. 4. ^*

Schjønning, P. (2000) Jordens frugtbarhed og kvalitet. [Soil quality and soil fertility.] Landhusholdningsselskabets Efterårsseminar 2000, Forskningscenter Foulum, November 2000. In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 290-292.

Schjønning, P.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. FØJOenyt (5).

Schjønning, P.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. [Crop rotation and animal manuring only slightly influence the soil's water holding capacity.] FORSKNINGSNYTT om økologisk landbruk i Norden, 4, pp. 19-20.

Schjønning, P. and Munkholm, L.J. (2004) Organisk stof i jord - hvor meget er nok og hvor lidt er kritisk? Online at <http://www.foejo.dk/enyt2/enyt/april04/ostof.html>, April 2004. Accessed 22. September 2004; FOEJO Website.

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2004) En bekvem jord: hvad betyder det og hvordan opnås det. [A good soil tilth: what does it mean and how to obtain it.] Økologi-kongres 2004, Odense Kongrescenter, 16-17. November 2004.

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2004) Soil quality in organic farming - effects of crop rotation, animal manure and soil compaction. EUROSOIL 2004, Freiburg, Germany, 6-10. September 2004.

Schjønning, P.; Munkholm, L.J. and Elmholt, S. (2003) Jordkvalitet og dyrkningsmetoder. [Soil quality and management.] In: Holmstrup, M. (Ed.) Økologisk landbrug og naturen - gør økologisk landbrug en forskel for natur og miljø?, Gads Forlag, chapter 1, pp. 9-19.

Schjønning, P.; Munkholm, L.J.; Elmholt, S.; Debosz, K.; Mikkelsen, G.H. and Trautner, A. (2000) Den danske dyrkningsjords tilstand og kvalitet - konsekvenser af trafik og jordbearbejdning. [The quality of Danish agricultural soils - impact of traffic and tillage.] Landhusholdningsselskabets Efterårsseminar 2000, Forskningscenter Foulum, November 2000. In: Tidsskrift for Landøkonomi, Landhusholdningsselskabet, 4, pp. 293-300. [ Unpublished, ]

Schjønning, P.; Thomsen, I.K. and Christensen, B.T. (1998) Soil porosity as a habitat for microorganisms. [Jordens porer som habitat for mikroorganismer.] Soil tillage and biology, Agricultural University of Norway, Ås, Norway, 8-10 June 1998. In: Børresen, T. (Ed.) NJF-UTREDNING/RAPPORT, 124, pp. 49-56. ^**

Schjønning, Per; Munkholm, Lars J.; Debosz, Kasia and Elmholt, Susanne (2000) Multi-level assessment of soil quality – linking reductionistic and holistic methodologies. Soil Stresses, Quality and Care, Aas, Norway, 10-12 April 2000. In: Elmholt, Susanne; Stenberg, Bo; Grønlund, Arne and Nuutinen, V. (Eds.) DIAS Report, Danish Institute of Agricultural Sciences, 38, pp. 43-52. ^*

Schmidt, Harald (2007) Untersuchung ackerbaulicher Probleme langjährig ökologisch wirtschaftender Betriebe; Kooperationsmodell Praxis - Beratung - Wissenschaft. [Investigation of problems in plant production of long-term organic farms; cooperation model farmers – advisors – scientists.] [ Unpublished, ]

Schmutz, Res; Koller, Martin; Morgner, Marion; Fichtenbusch, Lars and Puffarth, Souila (2004) Fruchtfolge-Planer. [Rotation planning tool.] Online at <http://www.oekolandbau.de/index.cfm/000E1791DE101FB89CA16521C0A8D816>, February 2004. Abgerufen am 23. Juni 2004
Die Texte wurden im Rahmen des Bundesprogramms Ökologischer Landbau für das Zentrale Internetportal Ökologischer Landbau (www.oekolandbau.de) erstellt.

Seibt, Perry (2007) Anwendung einer neuen standortabhängigen Methode zur Humusbilanzierung an sächsischen Dauertestflächen und Vergleich mit anderen üblichen Methoden zur Feststellung des Versorgungsgrades mit organischer Substanz im Hinblick auf Sicherung der Nachhaltigkeit der Betriebe im konventionellen und ökologischen Landbau. Thesis, TU Dresden, Fakultät Forst-, Geo- und Hydrowissenschaften, Institut für Bodenkunde und Standortlehre. [ Unpublished, ]

Shepherd, Mark; Hatch, David and Hatley, Damian (2002) Understanding soil nitrogen supply: organic matter quality and quantity. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 145-146.

Shepherd, Mark; Hatley, Damian and Gosling, Paul (2002) Assessing soil structure in organically farmed soils. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 143-144.

SIMON, S.; BUSSI, C.; GIRARD, T. and CORROYER, N. (2006) Arboriculture Biologique : 11 années d'expérimentation en vergers de pêchers et pommiers. [Organic peach and apple production : an 11 year-experience of experimentation in orchards.] ^**

Stefano, Dr. Canali; Alessandra, Dr. Trinchera; Emanuela, Dr. Di Bartolomeo; Luigi, Dr. Nisini; Anna, Dr. Benedetti and Francesco, Dr. Intrigliolo (2002) Soil fertility comparison among organic and conventional managed citrus orchards in Sicily. 17th World Congress of Soil Science, Bangkok (Thailand), 14 – 21 August.

Strüber, Klaus (2008) Humussphäre Projekt zu energiesparenden und humusaufbauenden Methoden in der Landwirtschaft Teil 3: Das Jahr 2007. [Humussphäre- a projekt about energy-saving and build-on humus methods in agriculture Part 3: The year 2007.] Starke Pferde (46), pp. 62-65.

Strüber, Klaus (2005) Arbeitspferde im biologisch-dynamischen Gemüsebau. Zusammenfassung des Berichtes 2004. [Working horses in biodynamic gardening. Summary of the report 2004.] Starke Pferde, 33 (01/2005), pp. 15-18.

Surböck, A.; Faustmann, P.; Heinzinger, M.; Friedel, J.K.; Klick, A. and Freyer, B. (2005) Auswirkungen einer Hecke auf Bodenwasserhaushalt, Bodenparameter und Ertrag in angrenzenden Ackerflächen. Wasser und Pflanzenbau - Herausforderungen für zukünftige Produktionssysteme, Wien, 27. - 29. September 2005. In: Mitt. Ges. Pflanzenbauwiss., Ges. Pflanzenbauwissenschaften, 17, pp. 20-21.

Tamm, Lucius; Bruns, Christian; Leifert, Carlo; Fuchs, Jacques G.; Thürig, Barbara; Specht, Nicole and Fliessbach, Andreas (2006) Impact of soil management practices on soil fertility and disease suppressiveness. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Thorup-Kristensen, Kristian (2005) Kapitel 1: Grøngødning og efterafgrøder, Kapitel 2: Grøngødningens biologi, og Kapitel 3: Grøngødningens virkninger. In: Bjerg, Anna-Christa (Ed.) Grøngødning, efterafgrøder og dækafgrøder, Landbrugsforlaget, chapter 1-2-3, pp. 1-37.

Tontti, Tiina and Lehtonen, Keijo (2002) Sustainable recycling of compost products in plant production. Forskningsnytt om økologisk landbruk i Norden (2), p. 10.

Védie, Hélène and Romet, Lionel (2006) Diagnostic et évolution de la fertilité du sol : comparaison de différentesméthodes d'analyse : compte-rendu 2005. [Diagnosis and evolution of soil fertility : comparison of different methods of analysis : annual report 2005.]

Védie, Hélène and Taulet, Annick (2006) Engrais verts en interculture d’automne-hiver en plein champ - rapport final 2005. [Test of different green manures as winter intercrops in open field - annual report 2005.]

VIAN, Ph D Jean François; PEIGNE, Dr Joséphine; CHAUSSOD, Dr Rémi; DAVID, Dr Christophe and ROGER-ESTRADE, Pr Jean (2006) Spatial variability of microbial indicators and assessment of tillage systems on the soil microbiological functioning on organic farming. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (2003) Grass-clover and catch crops - How does grass-clover and catch crops affect crop performance and soil microbiology in unfertilised organic crop rotations? Online at <http://www.darcof.dk/enews/sep03/biomod.html>, September 2003. September 2003, "DARCOF e-news".

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (2002) Relationship between crop rotation and microbial biomass and activity including field CO2 and N2O fluxes and N mineralization. NJF seminar no: 342 "Agricultural soils and greenhouse gasses in cool-temperate climate", Reykholt, Iceland, 31. july - 3. august 2002. In: Abstracts of NJF seminar no: 342 "Agricultural soils and greenhouse gasses in cool-temperate climate", p. 12.

Vinther, F.P. and Laier, A.Aa. (2001) Ærter som kvælstofsamler i vintersæd. [Peas collecting nitrogen in winter cereals.] In: Landsbladet, December 2001. ^**

Vinther, F.P. and Olesen, J.E. (2001) Residual effects of previous crops on soil respiration, nitrogen mineralisation and N2O emission. Cost Action 627: Carbon Storage in European Grasslands. Joint meeting of Working Groups 1 & 2, Gent, Belgium, 22 - 24 November, 2001. In: Abstracts of Cost Action 627 meeting: Carbon Storage in European Grasslands., p. 30.

Watson, Christine; Stockdale, Elizabeth and Philipps, Lois (2008) Laboratory mineral soil analysis and soil mineral management in organic farming. Research Review for Advisors.

Widmer, Albert; Husistein, Alfred; Bertschinger, Lukas; Weibel, Franco; Fliessbach, Andreas and Käser, Melanie (2004) Systemvergleichsversuch: Integrierte und biologische Apfelproduktion. Teil II: Wachstum, Ertrag, Kalibrierung, Boden. [Comparison of integrated and organic apple production: Growth, Yields and Soils.] Schweizerische Zeitschrift für Obst- und Weinbau (3), pp. 6-9.

Wild, Melanie; Demmel, Markus and Brandhuber, Robert (2009) Interdisziplinäres Forschungsvorhaben „Optimierung des Managements der Bodenfruchtbarkeit“ - Arbeitspaket Bodenverdichtung und Bodenbearbeitung. Öko-Landbau-Tag 2009, Freising-Weihenstephan, 28.04.2009. In: Wiesinger, Klaus and Cais, Kathrin (Eds.) Angewandte Forschung und Beratung für den ökologischen Landbau in Bayern, Bayerische Landesanstalt für Landwirtschaft , Freising-Weihenstephan.

Woodward, Lawrence; Philipps, Lois; Wolfe, Martin; Jones, Hannah; Hinchsliffe, Kay; Hitchings, Roger; O'Brien, Josie and Deane, Tim (2005) Elm Farm Research Centre Bulletin with Technical Updates from the Organic Advisory Service 80.

Woolf, Dominic (2008) Biochar as a Soil Amendment: A Review of the Environmental Implications. [ Unpublished, ]

UNSPECIFIED

{Project} Erträge, Produktqualität und organische Substanz im Boden bei langjähriger Rottemistdüngung mit und ohne Anwendung der biologisch-dynamischen Präparate sowie bei Mineraldüngung. [Yields, product quality and organic matter in the soil with long-term application of farmyard manure with and without biodynamic preparations compared to mineral fertilization.] Runs 1980 - 2009. Project Leader(s): Raupp, Dr Joachim, Institut für Biologisch-Dynamische Forschung (IBDF). More information online at <http://www.biodynamic-research.net/rf/b/ltt/lvda1/versuchsaufbau-und-durchfuhrung>.

{Facility} Einfluss von biologisch-dynamischen Präparaten, Düngung und Bodenbearbeitung auf Bodenfruchtbarkeit und Ertrag. [Effects of biobynamic preparations, fertilisation and soil management on soil fertility and yields.] Facility Leader(s): Berner, Alfred, Research Institute of Organic Agriculture (FiBL), CH-5070 Frick. More information online at <http://www.fibl.org/forschung/anbautechnik-einjaehrig/bio-dyn/praeparateversuch.php>.

{Project} Einführung der Verfahren zur Humus- und N-Bilanzierung (BEFU-Erweiterung) in die Praxis unter besonderer Berücksichtigung von Feldfutter- und Stilllegungsflächen. [Introduction of nitrogen and humus balance methods (BEFU model) in organic farming practice with special consideration of field fodder and green fallow.] Runs 2004 - 2006. Project Leader(s): Kolbe, Dr. Hartmut and Köhler, Brigitte, Sächsische Landesanstalt für Landwirtschaft. More information online at <http://www.smul.sachsen.de/de/wu/Landwirtschaft/lfl/fachinformationen/oeko_landbau/index_oeko_landbau.html>.

{Project} Enhancing and testing soil quality. [Maan toiminnallisen viljavuuden edistäminen ja mittaaminen.] Runs 2003 - 2004. Project Leader(s): Tolonen, Kaisa, ProAgria Association of Rural Advisory Centres. More information online at <http://tripunix.mtt.fi/cgi-bin/thw/?${BASE}=arktui&${HTML}=docu_eng&${SNHTML}=nosyn_eng&${TRIPSHOW}=for=www_eng&NR=244-14>.

{Project} Ertrag und Qualitätseigenschaften von Sommerweizen und Kartoffeln bei organischer Düngung tierischer Herkunft (Rottemist) und pflanzlicher Herkunft (Ackerbohnenschrot). [Yield and quality parameters of spring wheat and potatoes with animal based fertiliser (composted manure) and plant based fertiliser (faba bean meal).] Runs 2004 - 2006. Project Leader(s): Raupp, Dr. Joachim, Institut für Biologisch-Dynamische Forschung (IBDF), D-Darmstadt. More information online at <http://www.bundesprogramm.de/fkz=03OE179>.

{Facility} Palap9: Evaluation of soil fertility, soil quality, nutritional status and fruit quality in a Citrus orchard in Southern Italy. Start 1995. Facility Leader(s): Roccuzzo, Dr Giancarlo and Canali, Dr Stefano, CRA-Istituto Sperimentale per l'Agrumicoltura; CRA-Istituto Sperimentale per la Nutrizione delle Piante.

{Project} Fruit growing: fertilization, fruit quality, crop protection, hedgerows, biodiversity. Runs 2000 - 2001. Project Leader(s): SIMON, SYLVAINE.

{Project} Fruit growing: fertilization, fruit quality, crop protection, hedgerows, biodiversity. Runs 2000 - 2001. Project Leader(s): SIMON, SYLVAINE.

{Facility} Ökologischer Ackerbauversuch Gladbacherhof. [Organic farming trial Gladbacherhof.] Facility Leader(s): Leithold, Prof.Dr. Günter; Schulz, Dipl-Ing.agr. Franz and Schmidt, Dr. Harald, Universität Giessen.

{Facility} Langzeitversuch Darmstadt. [Long-term trial Darmstadt.] Start 1980. Facility Leader(s): Raupp, Dr Joachim, IBDF - Institut für Biologisch-Dynamische Forschung e.V.. More information online at <http://www.biodynamic-research.net/rf/b/ltt/lvda1>.

{Project} Persistente Pestizide im Boden und in Kürbisgewächsen („Altlasten“). Runs 2009 - 2011. Project Leader(s): Wyss, Gabriela, Forschungsinstitut für biologischen Landbau. More information online at <http://www.fibl.org/de/schweiz/forschung/lebensmittelqualitaet.html>.

{Project} FertOrtoMedBio: Produzione ed utilizzo di substrati per la vivaistica, miglioramento delle teniche di gestione del suolo e delle strategie di fertilizzazione dei sistemi ortofrutticoli mediterranei da reddito condotti con il metodo dell' agricoltura biologica. [Production and utilization of nursery substrates, improvement of soil management techniques and fertilization strategies of Mediterranean fruit and vegetable production systems managed with organic farming method.] Runs 2006 - 2008. Project Leader(s): Sequi, P.; Canali, S. and Tittarelli, F., CRA - ISNP.

{Project} Qualitätsoptimierung von Bio-Substraten für die Jungpflanzenanzucht im ökologischen Gemüseanbau unter besonderer Berücksichtigung der Praxisumsetzung des Torfersatzes durch fermentierte Holzfaser. Runs 2004 - 2006. Project Leader(s): König, Dr. Uli Johannes, Institut für biologisch-dynamische Forschung. More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=02OE200/F>.

{Project} Utilisation du cuivre en viticulture, arboriculture et maraîchage biologique : impact sur les sols, et recherches de méthodes de réductions des doses et d’alternatives à son utilisation « Raisonnement de l’usage du cuivre en agriculture biologique ». [How to reduce the uses of cooper : impacts on soils, reductions of doses and alternatives.] Runs 2002 - 2003. Project Leader(s): JONIS, Miss Monique, ITAB (Institut Technique de l'Agriculture Biologique).

{Project} Utvärdering av jordblandningar för ekologisk produktion av småplantor. [Evaluation of soil media for organic production of nursery plants.] Runs 2002 - 2004. Project Leader(s): Magnusson, Margaretha, Swedish University of Agricultural Sciences, SLU. More information online at <http://ekoforsk.slu.se/en>.

{Project} Utveckling av hållbara och produktiva odlingssystem: karakterisering av lerjord. [Developing sustainable and productive cropping systems: characterisation of clay soil.] Runs 2002 - 2004. Project Leader(s): Stenberg, Maria, The Rural Economy and Agricultural Societies.

{Project} Vergleichende Qualitätsuntersuchungen von alten und neuen Gemüsesorten zur Entwicklung von Zuchtzielen für den ökologischen Landbau. Runs 2002 - 2004. Project Leader(s): Ulrich, Dr. Detlef, Bundesanstalt für Züchtungsforschung an Kulturpflanzen. More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=02OE027>.

{Project} Waste composts in organic crop rotation - risks and possibilities for the future. [Jätekompostit luonnonmukaisessa viljelykierrossa - tulevaisuuden riskit ja mahdollisuudet.] Runs 2003 - 2004. Project Leader(s): Tontti, Tiina, MTT Agrifood Research Finland. More information online at <http://tripunix.mtt.fi/cgi-bin/thw/?${BASE}=arktui&${HTML}=docu_eng&${SNHTML}=nosyn_eng&${TRIPSHOW}=for=www_eng&NR=264-04>.

{Project} Ytkaraktärisering av fosforhalter på markpartiklar med fotoelektronspektroskopi (ESCA) av jordar i olika jordbrukssystem. [Surface characterisation of phosphoruscontents on soil particles by photoelectron spectroscopy (ESCA) of soils, in different agricultural systems.] Runs 2002 - 2005. Project Leader(s): Hylander, Lars, Uppsala University.

{Project} Ytkaraktärisering av fosforhalter på markpartiklar med fotoelektronspektroskopi (ESCA) av jordar i olika jordbrukssystem. [Electron spectroscopy for chemical analysis to characterise phosphorus at soil particle surfaces of different origin and agricultural management.] Runs 2002 - 2005. Project Leader(s): Hylander, Lars, Uppsala University.

Beckmann, Uta; Kolbe, Hartmut; Model, Annett and Russow, Rolf (2002) Ackerbausysteme im ökologischen Landbau: Untersuchungen zur Nmin-, N2O-N- und NH2-N-Dynamik sowie Rückschlüsse zur Anbau-Optimierung. [Arable organic farming systems: study on the dynamics of nitrogen mineralisation and demineralisation and conclusions for improving methods of cultivation.] Initiativen zum Umweltschutz, 35. Erich Schmidt Verlag, Berlin.

{Project} Projekt Oekologische Bodenbewirtschaftung (POEB). Runs 1994 - 2004. Project Leader(s): Hampl, Ulrich, Stiftung Oekologie und Landbau (SOEL). More information online at <http://www.soel.de/projekte/poeb_ueber.html>.

Hauggaard-Nielsen, Henrik (2009) Økologi i stribevis. In: Økologisk Jordbrug, 15 May 2009. Økologisk Landsforening, Århus, Denmark.

This list was generated on Fri Nov 27 19:05:44 2009 CET.