Items in the subject area " Crop husbandry > Production systems > Pasture and forage crops"

A

Adler, Steffen A.; Steinshamn, Håvard; Bleken, Marina A.; Langeland, Åsmund and Thuen, Erling (2006) Effekt av kløverart og høstetid på innhold og sammensetning av fettsyrer. [Effect of clover species and stage of grass maturity on fatty acid composition.] Plantemøtet Østlandet 2006, Tønsberg, Norway, 08-09. februar 2006. In: Kristoffersen, Annbjørg Ø. (Ed.) Plantemøtet Østlandet 2006, Bioforsk, 1 (3), pp. 184-185.

Al-Bitar, Lina; Wehbé, Elias; Ayoub, Mohamed and Jamea, Mostafa (2008) Annual self-reseeding legumes effect on subsequent crops into a rotation program in Mediterranean organic 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.

Ambus, P; Petersen, S.O. and Soussana, J.-F. (2007) Short-term carbon and nitrogen cycling in urine patches assessed by combined carbon-13 and nitrogen-15 labelling. Agriculture, Ecosystems and Environment. ^**

Azo, W M; Lane, G P F; Cannon, N C and Davies, W P (2006) Dry matter yields and quality of organic lupin/cereal mixtures for wholecrop forage. 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. 93-96.

B

Baars, Ton (2002) Reconciling scientific approaches for organic farming research: Part II - Effects of manure types and white clover (Trifolium repens) cultivars on the productivity of grass-clover mixtures grown on a humid sandy soil. Thesis, Louis Bolk Instituut, Department of livestock Production.

Bakken, Anne Kjersti; Hansen, Sissel; Strøm, Turid and Steinshamn, Håvard (2006) Sulphur supply: a limiting factor in organic roughage-based livestock production? Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

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

Bischoff, Kai; Daniel, Götz; Hochmann, Jochen; Schleuß, Uwe; Seedler, Martin; Süncksen, Uwe; Techow, Edgar; Thaysen, Johannes; Thomsen, Thomas and Untiedt, Henning (2003) Aktuelles aus dem Ökologischen Landbau 2002 (Versuchsbericht Ökologischer Landbau) [Current trials and developments in organic agriculture 2002]. Mitteilungen der Landwirtschaftskammer, 569/03.

Boelt, B.; Clausen, D.; Gislum, R. and Hansen, L.M. (2001) Aktuelt nyt fra Danmarks JordbrugsForskning, 2001. Tidsskrift for Frøavl, 2, pp. 7-10. ^*

Boelt, B.; Deleuran, L.C. and Gislum, R. (2002) Nyt fra Danmarks JordbrugsForskning. Tidsskrift for Frøavl, 1, pp. 11-13. ^**

Boelt, B.; Deleuran, L.C. and Gislum, R. (2002) Organic forage seed production in Denmark. IHSG Newsletter, 34, pp. 3-4.

Böhm, Herwart and Finze, Jana (2004) Überprüfung der Effektivität der maschinellen Ampferregulierung im Grünland mittels WUZI unter differenzierten Standortbedingungen. [Verification of the effectiveness of the mechanical regulation of Rumex spp. by WUZI under different conditions of location.] Aktuelle Projekte im Bereich Pflanzenschutz - Bundesprogramm Ökologischer Landbau, Bonn, 23.-24. November 2004.

Böhm, Herwart and Finze, Jana (2003) Strategien zur Regulierung von Wurzelunkräutern im ökologischen Landbau - Situationsanalyse und Überprüfung von Ansätzen zur Regulierung der Ampfer-Arten. [Strategies to control perennial weeds in organic farming systems – present state of knowledge and further research requirements: situation analysis and review of attempts to control Rumex spp.] [ Unpublished, ]

Böhm, Herwart and Verschwele, Arnd (2004) Ampfer- und Distelbekämpfung im Ökolandbau. [Control of Rumex spp. and Cirsium arvense in organic farming.] Landbauforschung Völkenrode, Sonderheft 273, pp. 39-47.

Borgen, Anders (2003) Projekt ensilering. Dansk Fåreavl, 68 (6), pp. 10-11.

C

Cagas, Bohumir and Machac, Radek (2002) The effect of grasses grown for seed in mixture with legumes on the incidence of weeds and soil nitrogen content. 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. 53-54.

Callesen, I. and Østergård, H. (2008) Energy efficiency of biomass production in managed versus natural temperate forest and grassland ecosystems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Carter, Mette S. (2005) Production of N2O in grass-clover pastures. Thesis, Risø National Laboratory, Biosystems. ^*

Carter, Mette S. and Ambus, Per (2006) Biologically fixed N2 as a source for the N2O production in a grass clover mixture, measured by 15N2. Nutrient Cycling in Agroecosystems, 74, pp. 13-26.

Carter, Mette S. and Amus, Per (2005) Kløvergræsmarker modvirker drivhuseffekten. [Grass clover fields mitigate greenhouse effect.] FØJOenyt, 6.

Chatskikh, D.; Olesen, J.E.; Berntsen, J.; Regina, K. and Yamulki, S. (2003) Simulation of effect of climate, soils and management on N2O emission from grassland. [ Submitted , 2003]

Clements, Dr R. O. (2002) Clover:cereal bi-cropping for organic farms (OF0173).

Cuttle, Dr Steve (2002) Influence of level of self-sufficiency on the nutrient budgets of an organic dairy farm (OF0180).

D

Deane, Joanne C; Warren, John; Findlay, Liz; Dagleish, Mark P; Cork, Susan C; Jackson, Frank and Keatinge, Ray (2002) The effect of Cichorium intybus and Lotus corniculatus on nematode burdens and production in grazed lambs. 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. 89-92.

Deleuran, L.C. and Boelt, B. (2002) Forage cuts as a by-product in organic seed production. IHSG Newsletter, 34, pp. 5-7. ^**

Deleuran, L.C. and Boelt, B. (2002) Rækkedyrkning af frøgræs. Grøn Viden Markbrug, 247. ^**

Doyle, Chris J and Topp, Cairistiona F E (2002) Potential economic gains from using forage legumes in organic livestock systems in northern Europe. 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. 195-196.

Dreymann, S.; Loges, R. and Taube, F. (2003) Einfluss der Kleegras-Nutzung auf die N-Versorgung und Ertragsleistung marktfähiger Folgefrüchte. [Impact of grass/clover management on N-supply and yield of arable crops.] 46. Jahrestagung der Gesellschaft für Pflanzenbauwissenschaften, Gießen, 25. bis 27. September 2003. In: Kauter, D.; Kämpf, A.; Claupein, W. and Diepenbrock, W. (Eds.) Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Verlag Günter Heimbach Stuttgart, 15, pp. 83-86.

Dreymann, Sonja; Loges, Ralf and Taube, Friedhelm (2005) Schnittgutabfuhr oder Gründüngung? Auswirkung der Kleegras-Nutzung auf Nitrat im Sickerwasser und Folgefrüchte. [Forage use or green manure? Impact of grass/clover management on nitrate in the leachate and succeeding crops.] 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.

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.

Driouech, Noureddin; Abou Fayad, Fady; Ghanem, Ala'a and Al-Bitar, Lina (2008) Agronomic performance of annual self-reseeding legumes and their self-establishment potential in the Apulia region of Italy. 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; Abou Fayad, Fady; Ghanem, Ala'a and Al-Bitar, Lina (2008) Agronomic performance of annual self-reseeding legumes and their self-establishment potential in the Apulia region of Italy. 16° IFOAM Organic World Congress: Cultivating the future, Modena, Italy, June 16-20, 2008. In: Neuhoff, Daniel; Halberg, Niels; Alfodi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse.A.; Hermansen, John; Vaarst, Mette; Lueck, Loran; Caporali, Fabio; Hogh Jensen, Henning; Migliorini, Paola and Willer, Helga (Eds.) Cultivating the future based on science: Proceeding of the second conference of the international society of organic agriculture research (ISOFAR), ISOFAR, Organic crop production (1), pp. 396-399.

E

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.

Eriksen, J. and Vinther, F.P. (2003) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. 12th N workshop "Controlling N Flows and Losses", University of Exeter, Devon, UK, 21st - 24th September, 2003. In: Abstracts for the 12th N workshop "Controlling N Flows and Losses", IGER - Institute of Grassland and Environmental Research, North Wyke, Okehampton, Devon, EX20 2SB, UK.

F

Finze, Jana and Böhm, Herwart (2004) Ampfer erfolgreich kontrollieren. [Dock: Successful control.] Bioland (1), pp. 24-25.

Finze, Jana and Böhm, Herwart (2004) Bedeutung von direkten Regulierungsmaßnahmen und dem Beweidungsmanagement auf den Besatz mit Ampfer-Arten (Rumex spp.) im ökologisch bewirtschafteten Grünland. [Effect of direct measures and grazing management on the density of dock species (Rumex spp.) in organically managed grassland.] Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Sonderheft XIX, pp. 527-535.

Fricke, Thomas and Wachendorf, Michael (2007) Abschätzung von Bestandeseigenschaften in Leguminosengras-Gemengen mit nichtdestruktiven Methoden. [Prediction of Crop Properties in Legume/Grass Mixtures by non-destructive methods.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

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GAUJOUR, E.; AMIAUD, B.; FIORELLI, J.-L.; MIGNOLET, C. and COQUIL, X. (2009) Effects of cropping practice dynamics on permanent grassland vegetation during the conversion to organic farming. [Effets de la dynamique des pratiques culturales lors de la conversion à l'Agriculture Biologique sur la végétation des prairies permanentes.] Carrefours de l'Innovation Agronomique, 4, pp. 229-238.

Gerlach, Florian (2003) Übersicht über Homepages und Dokumentdatenbanken der "Arbeitsgruppe Versuchsansteller im Ökologischen Landbau" im "Verband der Landwirtschaftskammern e.V." (VLK) und ihrer Mitglieder. [Chart of websites and online-databases containing reports by the "working group of experimental stations for organic agriculture" and its members.] Working paper. [ Unpublished, ]

Gottardi, Sara and Fricke, Thomas (2005) Raumbezogene und multivariate Analyse der Einflussgrößen auf den Weißkleeanteil eines Dauergrünlandstandortes. [Spatial and multivariate analysis of factors influencing white clover proportions on a permanent grassland site in Central Germany.] 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.

Govasmark, Espen (2005) Trace element status of soil and organically grown herbage in relation to animal requirements. [Sporstoffer i jord og økologisk dyrket grovfôr vurdert i henhold til dyrenes behov.] Thesis, Norwegian University of Life Sciences, Department of Plant- and Environmental Sciences.

Grossmann, Cand. agro. Freya (1999) Betydningen af vækstregulering, bestøvning og skadedyrsangreb (hvidkløversnudebillen Apion Flavipes) for udbytterne i økologisk hvidkløverfrøavl. Thesis, KVL, Sektion for Økologisk Jordbrug.

H

Haas, Guido (2003) Rotkleegras: Arten- und Sortenwahl der Gräser. [Grass - red clover mixture: Choice of grass species and varieties.] In: Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen., pp. 149-158.

Haas, Guido and Schlonski, Anja (2003) Rotkleegras im Organischen Landbau: Einfluß von Arten- und Sortenwahl auf Ertrag und Futterqualität. Schriftenreihe Lehr- und Forschungs¬schwerpunkt Umweltverträgliche und Standortgerechte Landwirtschaft, Landwirtschaftliche Fakultät der Universität Bonn, 109.

Haggar, Roger and Padel, Susanne (1996) Conversion to Organic Milk Production (OF0103).

Halling, Agr Dr Magnus A (2006) Ekologisk sortprovning av vallväxter. [Organic variety testing of forage crops.] Mat i nytt klimat. Ekokonferensen Norrköping 19-21 November 2007, Norrköping, Sweden, 19-21 November 2007. In: Ekokonferensen Norrköping 19-21 November 2007, Sveriges lantbruksuniversitet, Centrum för uthålligt lantbruk, p. 136.

Hann, Dr. Patrick and Kromp, Dr. Bernhard (2009) Untersuchungen zur Niederschlagsabhängigkeit der Verbreitung des Ampferblattkäfers (Gastrophysa viridula). 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

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.

Hansen, Lars Monrad and Søegaard, Karen (2009) Kløvertræthed - er nematoder årsagen? In: ICROFSnyt, 2009.

Hansen, Lars Monrad and Søegaard, Karen (2009) Kløvertræthed: Er nematoder årsagen - og hvilke? In: Økologisk Jordbrug, 2009.

Hansen, Sissel and Bakken, Anne Kjersti (2008) A discussion of norms for S supply in organic farming based on content in forage and ruminant performance in Norway. 2nd scientific conference of the international society of organic agriculture research (ISOFAR), Cultivating the future based on science,, Modena, Italy, June 16-20, 2008. In: Neuhoff, Daniel (Ed.) Proceedings of the 2nd scientific conference of the international society of organic agriculture research (ISOFAR), Livestock, socio-economic and cross disciplinary research in organic agriculture, ISOFAR, II, pp. 160-163.

Häring, D.A.; Suter, D. and Lüscher, A. (2007) Der optimale Erntezeitpunkt für tanninhaltige Futterpflanzen. [The optimal time for harvesting tanniferous forage plants.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Henriksen, Christian Bugge; Rasmussen, Jesper; Jørgensen, Martin Heide and Thomsen, Henning Carlo (2005) Ridge planting of maize shows promising yield increase. DARCOFenews.

Henriksen, Christian Bugge; Rasmussen, Jesper; Jørgensen, Martin Heide and Thomsen, Henning Carlo (2004) Majs på kamme viser lovende merudbytte. FØJOenyt.

Hermle, Martin; Grube, Dr. Jens and Klöble, Dr. Ulrike (2009) Verfahrenskosten der Grundfuttererzeugung auf ökologisch wirtschaftenden Betrieben am Beispiel der Anwelksilage. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Huguenin-Elie, O.; Stutz, C.J.; Gago, R. and Lüscher, A. (2008) Sustainable management of foxtail meadows through hay making at seed maturity. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Huguenin-Elie, Olivier; Nyfeler, Daniel; Suter, Matthias; Frossard, Emmanuel and Lüscher, Andreas (2009) Positive Mischungseffekte auf Ertrag und Stickstoffversorgung in Klee-Gras-Mischungen. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Høgh-Jensen, Henning; Loges, Ralf; Jensen, Erik Steen; Jørgensen, Finn V. and Vinther, Finn P. (2004) Empirical model for quantification of symbiotic nitrogen fixation in grass-clover mixtures. Agricultural Systems, 82, pp. 181-194. ^*

Høgh-Jensen, Dr. Henning (2003) The effect of potassium deficiency on growth and N2-fixation in Trifolium repens. Physiologia Plantarum (119), pp. 440-449. [ In Press , 2003] ^*

Høgh-Jensen, Dr Henning; Fabricius, Vibeke and Schjoerring, Dr Jan K. (2001) Regrowth and nutrient composition of different plant organs in grass-clover canopies as affected by phosphorus and potassium availability. Annals of Botany, 88, pp. 153-162.

Høgh-Jensen, Dr Henning and Schjoerring, Dr Jan K. (2001) Rhizodeposition of nitrogen by red clover, white clover and ryegrass leys. Soil Biology & Biochemistry, 33, pp. 439-448.

Høgh-Jensen, Dr Henning; Schjoerring, Dr Jan K. and Soussana, Dr Jean-Francois (2002) The influence of phosphorus deficiency on growth and nitrogen fixation of white clover plants. Annals of Botany, 90, pp. 745-753.

I

Iepema, Goitste; van Eekeren, Nick and van Dongen, Marian (2006) Production and persistency of red clover (Trifolium pratense) varieties when grown in mixtures. 21st General Meeting of the European Grassland Federation: Sustainable Grassland Productivity, Badajoz, Spain, 03 April 2006 - 06 April 2006. In: Lloveras, J.; Gonazalez-Rodriguez, A.; Vasquez-Yanez, O.; Pinero, J.; Santamaria, O.; Oleaamd, L. and Poblaciones, M.J. (Eds.) Grassland Science Europe, 11.

Isselstein, J.; Bonorden, S.; Seng, M. and Abel, Hj. (2003) Nährstoffverfügbarkeit und Nährstoffnutzung von klee- und kräuterreichen Aufwüchsen ökologisch bewirtschafteten Grünlandes entlang der Produktionskette Erzeugung - Konservierung - Verdauung. [Availability and utilization of nutrients from herbage of clover and forb rich grassland in organic farming – Herbage production, silage making and ruminal degradation.] [ Unpublished, ]

J

Jankowska-Huflejt, Dr Halina; Wróbel, Dr Barbara and Kaca, Prof. Edmund (2006) Utilisation and quality of fodders from grass-lands in organic livestock production in Poland. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

K

Keatinge, R (2004) Control of internal parasites in organic livestock without the use of pharmaceutical anthelminthics.

Keatinge, R (2004) Optimising the production and utilisation of forage for organic livestock (CTE0202).

Keatinge, Ray (2001) Efficient use of animal manures within an upland organic system (OF0187).

Kildested, Lars (2005) Vilde merudbytter til forbavsede forskere. In: Agrologisk, January 2005, pp. 6-8. Dansk Agrar Forlag.

Kleen, Jana; Gierus, Martin and Taube, Friedhelm (2007) Auswirkungen von Schnitt-und Weidenutzung auf die Ertragsbildung und den Stickstoffgehalt verschiedener Futterleguminosen. [Effects of different management systems on agronomic performance and N-content of several forage legumes.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Köhler, Brigitte and Kolbe, Hartmut (2007) Nährstoffgehalte der Fruchtarten im Ökologischen Landbau. [Nutrient concentrations of organic farming crop species.] Schriftenreihe der Sächsischen Landesanstalt für Landwirtschaft (9), pp. 1-21.

Kolbe, Hartmut (2003) Übersicht über Versuche und Entwicklungsarbeiten zur Düngung im Ökologischen Landbau in Deutschland [Chart of trials and projects on fertilization and manuring in organic agriculture in Germany]. Working paper, Arbeitsgemeinschaft der Versuchsansteller im Ökologischen Landbau. [ Unpublished, ]

Kristensen, Ib Sillebak; Dalgaard, Randi and Kristensen, Troels (2002) Indirekte beregning af N-fiksering. In: Kvælstofbalancer på landbrugsbedriften – status og perspektiv. Temamøde på Forskningscenter Foulum, 24. april 2002, Danmarks JordbrugsForskning, pp. 31-40.

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Landwirtschaftskammer, Nordrhein-Westfalen (2004) Untersuchungen zum Futterbau und zur Milchviehhaltung im Rahmen des Projektes „Öko-Leitbetriebe in Nordrhein-Westfalen“. [Forage cropping and dairy husbandry - research in the project "Organic model farms in North Rhine-Westphalia".] Working paper. [ Unpublished, ]

Landwirtschaftskammer Hannover, (2003) Versuchsbericht zum Öko-Landbau 2002. [Report on experiments on organic agriculture in 2002.]

Leisen, Edmund (2003) Übersicht über Versuche im Ökologischen Landbau - Bereiche Grünland und Futterbau [Table of trials in organic agriculture: permanent pasture and forage cropping]. Working paper, Landwirtschaftskammer Westfalen-Lippe. [ Unpublished, ]

Leisen, Edmund (2003) Ertrag und Futterqualität sowie Fruchtfolgewirkung verschiedener Kleegrasmischungen auf Öko-Betrieben. [Yield and forage quality as well as effects on following crops of different grass/clover mixtures on organic farms.] 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Ökologischer Landbau der Zukunft, Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau, Institut für ökologischen Landbau - Universität für Bodenkultur, Wien, pp. 477-478.

Leisen, Edmund (2003) Ertrag und Futterqualität sowie Fruchtfolgewirkung von Mais und Getreide/ Getreideleguminosengemenge in Öko-Betrieben. [Yield and forage quality as well as effects on following crops of maize and cereal/cereal-legume mixtures on organic farms.] 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Wien, 24.-26.2.2003. In: Freyer, Bernhard (Ed.) Ökologischer Landbau der Zukunft, Beiträge zur 7. Wissenschaftschaftstagung zum Ökologischen Landbau, Institut für ökologischen Landbau - Universität für Bodenkultur, Wien, pp. 479-480.

Leisen, Edmund (2003) Grünland und Futterbau. [Grassland and forage cropping.] In: Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen, pp. 127-148.

Leisen, Edmund (2003) Praxisgestütze Reifeprüfung zur Einschätzung der Futterqualität auf Öko-Betrieben [Test of maturity in practice to estimate the forage quality on organic farms]. 7. Wissenschaftstagung zum Ökologischen Landbau "Ökologischer Landbau der Zukunft", Wien, 24.-26. Februar 2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau: Ökologischer Landbau der Zukunft, Universität für Bodenkultur Wien - Institut für ökologischen Landbau, pp. 189-192.

Leisen, Edmund (2002) Futterwert und Mineralstoffgehalt von Kleegras- und Grünlandsilagen in Nordrhein-Westfalen [Feed value and mineral content of silage (grass-clover ley and grassland) in North Rhine-Westphalia/Germany]. SÖL-Berater-Rundbrief (4/2002), pp. 29-30.

Leisen, Dr. Edmund (2005) Bestandeszusammensetzung von Kleegrasaufwüchsen auf Öko-Betrieben in Nordrhein-Westfalen 2002 - 2004. [Botanical composition of clover-grass mixtures in ecological management systems in northrhine-westfalia 2002 – 2004.] 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.

Lobsiger, Martin; Mosimann, Eric; Jeangros, Bernard and Lüscher, Andreas (2007) Auswirkungen des letzten Nutzungstermins von Weiden im Herbst auf den Ertrag im darauf folgenden Frühling. [Grassland utilisation in autumn and yield in the following spring.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Loges, Ralf; Kornher, Alois and Taube, Friedhelm (1998) Ertrag, Futterqualität und N2-Fixierungsleistung von Rotklee und Rotklee/Gras. [Yield, forage quality and nitrogen fixation of red clover and red clover/ grass.] 42. Jahrestagung der AG Grünland und Futterbau der Gesellschaft für Pflanzenbauwissenschaften, Giessen. In: Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften, Gesellschaft für Pflanzenbauwissenschaften, pp. 139-142.

Loges, Ralf and Taube, Friedhelm (1999) Ertrag und Futterqualität von Rotklee und Luzerne als Reinsaat sowie im Gemenge mit Gräsern. [Yield and forage quality of red clover and alfalfa in pure stand and in mixture with grass.] 5. Wisschenschaftstagung zum Ökologischen Landbau, D-Berlin, 23. - 25. Februar. In: Hoffmann, Heide and Müller, Susann (Eds.) Vom Rand zur Mitte: Beiträge zur 5. Wissenschaftstagung zum Ökologischen Landbau, Verlag Dr. Köster, Berlin, pp. 501-504.

Loges, Ralf; Taube, Friedhelm and Kornher, Alois (1997) Ertrag, N-Fixierungsleistung sowie Ernterückstände verschiedener Rotklee- und Rotkleegrasbestände. [Yield, forage quality and residue nitrogen of red clover and red clover/grass-mixtures.] 4. Wissenschaftstagung zum Ökologischen Landbau, D-Bonn, 3.-4. März 1997. In: Köpke, Ulrich and Eisele, Jons A. (Eds.) Beiträge zur 4. Wissenschaftstagung zum Ökologischen Landbau, Verlag Dr. Köster, Berlin, pp. 265-271.

Loges, Ralf and Thaysen, Johannes (2003) Siliereignung und Silagequalität von Luzerne- bzw. Rotkleegras in Abhängigkeit vom Begleitgrasanteil. [Silage characteristics and quality of alfalfa and red clover in different mixtures with grass.] 7. Wissenschaftstagung zum Ökologischen Landbau - Ökologischer Landbau der Zukunft, Universität für Bodenkultur Wien - Institut für ökologischen Landbau, 24. - 26. Februar 2003. In: Freyer, Bernhard (Ed.) Beiträge zur 7. Wissenschaftstagung zum Ökologischen Landbau "Ökologischer Landbau der Zukunft", Universität für Bodenkultur Wien - Institut für ökologischen Landbau, pp. 181-184.

Loges, Ralf; Thaysen, Johannes and Taube, Friedhelm (2002) Untersuchungen zur Silagequalität und Siliereignung von Rotklee und Luzerne sowie deren Gemenge mit Dt. Weidelgras. [Analysis of silage quality and silage suitability of red clover and alfalfa as pure stand or in mixture with perennial ryegrass.] 46.Jahrestagung der Arbeitsgemeinschaft für Grünland und Futterbau in der Gesellschaft für Pflanzenwissenschaften, Rostock, 29. - 31. August 2002. In: 46.Jahrestagung vom 29.bis 31.August 2002 in Rostock, Referate und Poster, im Auftrag der Arbeitsgemeinschaft für Grünland und Futterbau in der Gesellschaft für Pflanzenbauwissenschaften, pp. 268-276.

Loges, Dr Ralf; Westphal, Dr Derk and Taube, Prof. Dr. Friedhelm (2009) Futterqualität, Vorfruchtleistung und Nitratauswaschung von über Winter beweideten Kleegrasbeständen. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

M

Marshall, Athole and McCalman, Heather (2004) Improving the Availability of Organic Forage Seed in Wales.

Marshall, Athole H and Humphreys, Mervyn O (2002) Challenges in organic forage seed production. 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. 95-96.

McCalman, Heather; Evans, Bryan; Morgan, Charlie; Duller, Chris and Courtney, Deborah (2002) Organic grassland extension in Wales – experiences. 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. 109-112.

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.; 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. 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, 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.

N

Nilsdotter-Linde, Nilla and Bergkvist, Göran (2005) Regulation of clover content by choice of ryegrass variety or by mixing varieties in short rotation leys. Researching Sustainable Systems - International Scientific Conference on Organic Agriculture, Adelaide, Australia, September 21-23, 2005. [ Unpublished, ]

Nykänen, A.; Heuwinkel, H.; Loges, R. and Locher, F. (2004) Comparison of NIRS based methods to determine legume content of mixed swards. Workshop on adaptation and management of forage legumes - strategies for improved reliability in mixed swards, Ystad, Sweden, 20-22 September 2004. In: COST-852 Quality legume-based forage systems for contrasting environments, p. 39.

Nykänen, A.; Leinonen, P. and Nykänen-Kurki, P. (2003) Preliminary evaluation of perennial forage legumes for organic farming in Finland. The kick-off meeting, Solsona, Spain, 22-24 February 2002. In: Helgadóttir, Á. and Dalmannsdóttir, S. (Eds.) COST-852 Quality legume-based forage systems for contrasting environments, pp. 131-133.

Nykänen, Arja (2004) On-farm estimation of clover content of mixed swards. European Society for Agronomy VIII ESA congress, Copenhagen, Denmark, July 11-15, 2004.

Nykänen, Arja (2004) Soils characteristics affecting BNF of organically grown red clover in Finland. 14th International congress on nitrogen fixation, Beijing, China, Oct 27 - Nov 1, 2004.

Nykänen, Arja and Nykänen-Kurki, Päivi (2003) How to establish a perennial legume-grass sward? Nordic agriculture in global perspective: NJF's 22nd congress, Turku, July 1-4, 2003.

Nykänen-Kurki, P.; Leinonen, P. and Nykänen, A. (2004) Dry matter production of annually cultivated forage legumes in organic farming. The International school-conference plant cultivation in the European North, Petroskoi, November 24-26, 2004. In: The International school-conference plant cultivation in the European North: the present situation and the prospects dedicated to the 50th anneversary of the Department of Agriculture and Soil Science, the Pedrozavodsk State University, pp. 189-191.

Nykänen-Kurki, P.; Leinonen, P. and Nykänen, A. (2003) Preliminary evaluation of annually cultivated forage legumes for organic farming in Finland. The kick-off meeting, Solsona, Spain, 22-24 February 2002. In: Helgadóttir, Á. and Dalmannsdóttir, S. (Eds.) COST-852 Quality legume-based forage systems for contrasting environments, pp. 72-75.

O

Oberson, Astrid; Frossard, Emmanuel; Mayer, Jochen; Flura, Thomas; Mäder, Paul and Lüscher, Andreas (2009) Symbiotische Stickstofffixierung in biologisch und konventionell bewirtschafteten Wiesen. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Olesen, Jørgen E.; Askegaard, Margrethe and Rasmussen, Ilse A. (2006) Kløvergræs som omdrejningspunkt. [Grass-clover as the key issue.] Plantekongres 2006, Herning, Denmark, 10-11 January 2006. In: Sammendrag af indlæg Plantekongres 2006, Danmarks JordbrugsForskning and Dansk Landbrugsrådgivning, pp. 218-219.

P

Pedrol, Nuria and Martínez, Antonio (2004) Organic Forage Crop Production in Atlantic Zones: an Ecophysiological Approach. BGS-COR-AAB Conference: Organic Farming: Science and Practice for Profitable Livestock and Cropping, Harper Adams University College, Shropshire, Newport, UK., 20th-22nd April 2004. In: Hopkins, Alan (Ed.) Organic Farming: Science and Practice for Profitable Livestock and Cropping. Occasional Symposium No. 37, British Grassland Society, 2004. Proceedings of the BGS/AAB/COR Conference., British Grassland Society, pp. 105-109.

Philipps, Lois (2001) A guide to organic grassland. Elm Farm Research Centre Bulletin (56), pp. 9-10.

Pommeresche, Reidun; Hansen, Sissel; Eltun, Ragnar and Korsaeth, Audun (2006) Long-term effects of cropping systems on the earthworm populations in a loam soil. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Powell, Dan (2008) The role and management of whole-crop forage for organic ruminants. [ Unpublished, ]

R

Rahmann, Gerold (2001) Betriebliche Auswirkungen der integrierten Grünlandpflege im ökologischen Betrieb. Naturschutz und Ökolandlandbau - Handlungsbedarf für die Agenda 2000 und gemeinsame Vorbereitung auf die Agenda 2007, Bundesamt für Naturschutz, Internationale Naturschutzakademie, Insel Vilm, 9-12 April 2001. In: Naturschutz und Ökolandbau - Handlungsbedarf für die Agenda 2000 und gemeinsame Vorbereitung auf die Agenda 2007, Bundesamt für Naturschutz, pp. 7-13.

Rahmann, Gerold and Böhm, Herwart (2005) Organic Fodder Production in Intensive Organic Livestock Production in Europe: Recent Scientific Findings and the Impact on the Development of Organic Farming. [Organic Fodder Production in Intensive Organic Livestock Production in Europe: Recent Scientific Findings and the Impact on the Development of Organic Farming.] AHAT/BSAS International Conference, Khon Kaen, Thailand, 14 - 18 Nov 2005. In: Integrating Livestock-Crop Systems to meet the challenges of globalisation, British Society of Animal Science, 1, pp. 471-485.

Rauber, Rolf and Hof, Claudia (2003) Fertigen einer Broschüre zum Anbau von Gemengen für die Praxis des Pflanzenbaus im ökologischen Landbau. [Preparation of a brochure about cultivation of mixtures for the practice of organic farming.] [ Unpublished, ]

Rodehutscord, Markus (2006) Bestimmung der Futteraufnahme, Futterselektion und Verdaulichkeit weidender Mastrinder auf ökologisch bewirtschaftetem Ansaat- und Dauergrünland. [Feed intake and digestibility of heifers on pasture.] [ Unpublished, ]

{Project} Bestimmung der Futteraufnahme, Futterselektion und Verdaulichkeit weidender Mastrinder auf ökologisch bewirtschaftetem Ansaat- und Dauergrünland. [Feed intake and digestibility of heifers on pasture.] Runs 2004 - 2006. Project Leader(s): Rodehutscord, Prof. Dr. Markus, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale). More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=03OE388>.

Rohde, Benjamin; Langer, Vibeke and Hansen, Lars Monrad (2000) Økologisk hvidkløver. Hvordan kan det lade sig gøre? [Organic white clover seeds. How is it possible?] In: Dansk Frøavl, 2000, pp. 148-149. Danske Frøavlere.

S

Sächsische Landesanstalt für Landwirtschaft, (2003) Versuchsbericht 2002 der Sächsischen Landesanstalt für Landwirtschaft [Report on trials in 2002 carried out at the Agricultural Research Center of Saxonia].

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

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) 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.

Schmutz, Dr Ulrich; Rayns, Dr Francis; Firth, Mr Chris; Nendel, Dr Claas; Lillywhite, Mr Rob; Zhang, Dr Kefeng and Rahn, Dr Clive (2008) National-scale modelling of N leaching in organic and conventional horticultural crop rotations - policy implications. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Sehested, Jakob; Søegaard, Karen; Danielsen, Viggo; Roepstorff, Allan and Monrad, Jesper (2004) Grazing with heifers and sows alone or mixed: herbage quality, sward structure and animal weight gain. Livestock Production Science, 88 (3), pp. 223-238.

Spatz, Günter; Fricke, Thomas and Gottardi, Sara (2003) Strategien zur standortspezifischen Grünlandansaat - Retrospektive Analyse von Selektionskriterien. [Strategies for site-specific seeding of grassland - retrospective analysis of selectrion criteria.] [ Unpublished, ]

Starz, Walter and Steinwidder, Andreas (2007) Stickstoffflüsse auf der Weide bei Vollweidehaltung im alpinen Raum Österreichs. [Nitrogen flows on the pasture at a seasonal grass-based system in the alpine area of Austria.] Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Steinshamn, Håvard (2008) The unique properties of red clover in the diet of ruminants. Bioacademy 2008. New developments in science and research on organic agriculture. 1st scientific conference within the framework of the 8th European summer academy on organic farming, Lednice na Moravě, Czech Republic, September 3-5. In: Sarapatka, Borivoj and Samsonova, Pavlina (Eds.) Bioacademy 2008 - Proceedings. New developments in science and research on organic agriculture., pp. 106-109.

Steinshamn, Håvard (2001) Effects of Cattle Slurry on the Growth Potential and Clover Proportion of Organically Managed Grass–Clover Leys. Acta Agriculturae Scandinavica: Section B, Soil and Plant Science, 51 (3), pp. 113-124.

Steinshamn, Håvard; Thuen, Erling; Bleken, Marina Azzaroli; Brenøe, Ulrik Tutein; Ekerholt, Georg and Yri, Cecilie (2004) Utilization of nitrogen (N) and phosphorus (P) in an organic dairy farming system in Norway. Agriculture, Ecosystems & Environment, 104 (3), pp. 509-522.

Stumm, C. and Brenner, S. (Red.) (2003) Dokumentation 10 Jahre Leitbetriebe Ökologischer Landbau in Nordrhein-Westfalen. [Documentation: 10 years model farms organic agriculture in North Rhine-Westphalia.] Schriftenreihe des Lehr- und Forschungsschwerpunktes „Umweltverträgliche und Standortgerechte Landwirtschaft“, 105.

Swalve, Hermann H.; Schäfer, Stephan and Mitsch, Uta (2006) Auswirkungen differenzierter ökologischer Bewirtschaftung von Ansaat- und Dauergrünland auf Futterangebot, Fressverhalten sowie Weideleistung und Schlachtreife von Ochsen und Färsen. [Effects of organic cultivation of sown and permanent grassland on offered feed, diet selection, grazing efficiency and carcasses of steers and heifers.] [ Unpublished, ]

{Project} Auswirkungen differenzierter ökologischer Bewirtschaftung von Ansaat- und Dauergrünland auf Futterangebot, Fressverhalten sowie Weideleistung und Schlachtreife von Ochsen und Färsen. [Effects of organic cultivation of sown and permanent grassland on offered feed, diet selection, grazing efficiency and carcasses of steers and heifers.] Runs 2004 - 2006. Project Leader(s): Swalve, PD Dr. Hermann H., Martin-Luther-Universität Halle-Wittenberg, Halle (Saale). More information online at <http://www.bundesprogramm-oekolandbau.de/fkz=03OE428>.

Søegaard, Karen (2009) Urter har mange funktioner i græsmarken. In: LandbrugsAvisen, 14 August 2009.

Søegaard, Karen (2009) Urter der duer. Dansk Kvæg Kongres, Herning, 23.-24. februar. In: Bilag dansk kvæg Kongres.

Søegaard, Karen (2004) Leder-følge system til græssende køer. FØJOenyt (2).

Søegaard, Karen (2004) Nyt afgræsningssystem virker. In: Økologisk Jordbrug, 2004, p. 6.

Søegaard, Karen; Eriksen, Jørgen and Askegaard, Margrethe (2008) Herbs in grasslands - effect of slurry and grazing/cutting on species composition and nutritive value. General Meeting of the European Grassland Federation, Uppsala, Sweden, 9-12 June 2008. In: Hopkins, A.; Gustafsson, T.; Bertilsson, J.; Dalin, G.; Nilsdotter-Linde, N. and Spörnly, E. (Eds.) Grassland Science in Europe, 13, pp. 200-202.

Søegaard, Karen; Mogensen, Lisbeth and Eriksen, Jørgen (2009) The competitiveness of different herbs in grass/clover pastures. NJF seminar 422, Tartu Estonia, 25-27 August 2009. In: NJF Seminar 422. Fostering healthy food systems through prganic agriculture - Focus on Nordic-Baltic region.

Søegaard, Karen; Mogensen, Lisbeth and Sehested, Jakob (2009) Artssammensætningen i græsmarken afgør mineralindholdet i afgrøden. In: Ny KvægForskning nr 3, June 2009.

Søegaard, Karen; Mogensen, Lisbeth and Sehested, Jakob (2009) Mineraler i græsmarker – betydningen af artsvalg og høsttidspunkt. In: ICROFsNyt 2, 2009.

Søegaard, Karen; Sehested, Jakob and Danielsen, Viggo (2000) Mixed grazing with heifers and pregnant sows. Grassland Science in Europe, 5, pp. 359-361.

Søegaard, Karen; Sehested, Jakob and Mogensen, Lisbeth (2009) Mineraler i græsmarken - mulighed for selvforsyning? In: Økologisk Jordbrug nr. 432, 2009.

T

Taube, Friedhelm and Pötsch, E.M. (2001) On-Farm nutrient balance assessment to improve nutrient management on organic dairy farms. Grassland Science in Europe, 6, pp. 225-234.

Tersbøl, Michael; Bertelsen, Inger; Mejnertsen, Peter; Petersen, Jon Birger and Nielsen, Ghita Cordsen (2006) Økologisk dyrkning. [Organic farming.] In: Petersen, Carl Åge (Ed.) Oversigt over Landsforsøgene 2006, Dansk Landbrugsrådgivning, Landscentret, Planteavl, chapter P, pp. 266-304.

Tersbøl, Michael; Bertelsen, Inger; Mejnertsen, Peter; Petersen, Jon Birger and Nielsen, Ghita Cordsen (2005) Økologisk dyrkning. [Organic farming.] In: Petersen, Carl Åge (Ed.) Oversigt over Landsforsøgene 2005, Dansk Landbrugsrådgivning, Landscentret, Planteavl, chapter P, pp. 245-288.

Thyme, M. and Ambus, P. (2004) N2O emission from grass-clover swards is largely unaffected by recently fixed N2. DARCOFenews (1). ^*

Thyme, Mette and Ambus, Per (2004) From N2 fixation to N2O emission in a grass-clover mixture. 12th N Workshop 'Controlling N Flows and Losses', Exeter, UK, 21-24 September 2003. In: Hatch, D.J.; Chadwick, D.R.; Jarvis, S.C. and Roker, J.A. (Eds.) Controlling nitrogen flows and losses, Wageningen Academic Publishers, The Netherlands, pp. 365-366. ^*

Thyme, Mette and Ambus, Per (2003) From N2 fixation to N2O emission in a grass-clover pasture. 12th N workshop "Controlling N flows and losses", Exeter, UK, 21st - 24th September 2003. [ In Press , 2003] ^*

Titze, Andreas and Jakobs, Marion (2004) Grünlandbewirtschaftung mit differenzierter Intensität - Ausgewählte Ergebnisse eines Parzellenversuchs am Standort Dummerstorf. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Titze, Andreas and Jakobs, Marion (2004) Silagequalität in ökologischen wirtschaftenden Futterbaubetrieben Mecklenburg-Vorpommern. Mitteilungen der Landesforschungsanstalt für Landwirtschaft und Fischerei Mecklenburg-Vorpommern, 33.

Topp, Kairsty and Watson, Christine (2008) Nutrient budgets for organic farming. Research Review for Advisors.

V

van Eekeren, Nick; Fehér, L.; Smeding, Frans; Prins, Udo and Jansonius, PieterJans (2006) Controlling broad-leaved dock (Rumex obtusifolius) in grass clover mixtures. 21st General Meeting of the European Grassland Federation: Sustainable Grassland Productivity, Badajoz, Spain, 03 April 2006 - 06 April 2006. In: Lloveras, J.; Gonazalez-Rodriguez, A.; Vasquez-Yanez, O.; Pinero, J.; Santamaria, O.; Oleaamd, L. and Poblaciones, M.L. (Eds.) Sustainable grassland, 11.

Vinther, F.P. (2006) Effects of cutting frequency on plant production, N-uptake and N2 fixation in harvested and below-harvest plant biomass of grass clover. Grass and Forage Science, 61, pp. 154-163.

Vinther, F.P. (2005) Below-harvest biomass and N2 fixation in grass-clover at different cutting frequencies. In: Frankow-Lindenberg, B. (Ed.) Adaption and Management of Forage Legumes - Strategies for improved Reliability in mixed Swards, Swedish University of Agricultural Sciences, Uppsala, pp. 187-190.

Vinther, F.P. (2004) N-fiksering - hvor meget og hvordan? [N fixation - how much and how?] In: MånedsMagasinet Kvæg, January 2004, p. 19.

Vinther, F.P. (2004) Effect of age and cutting frequency on below-ground biomass in grass-clover. Workshop on Adaption and Management of Forage Legumes - Strategies for improved Reliability in Mixed Swards (COST Action 852), Ystad, Sweden, September 19-23 2004. In: Abstracts of the Workshop on Adaption and Management of Forage Legumes - Strategies for improved Reliability in Mixed Swards, pp. 23-24. [ Unpublished, ]

Vinther, F.P. (2004) N-fiksering - hvor meget og hvordan? [N fixation - how much and how?] Plantekongres 2004, Messecenter Herning, Danmark, 13.-14. januar 2004.

Vinther, F.P. (2003) Symbiotisk N2 fiksering i kløvergræs. [Symbiotic N2 fixation in grass-clover.] Online at <http://www.foejo.dk/enyt2/enyt/juni03/nstof.html>, June 2003. June 2003, "DARCOF e-news".

Vinther, F.P. (2003) Hvor meget kvælstof henter kløvergræs fra luften? [How much nitrogen is fixed by grass-clover?] In: Aktuel Økologi fra Familielandbrugets Økologikonsulenter, 2003, pp. 4-5.

Vinther, F.P. (2003) Kvælstof fra luften. [Nitrogen from the air.] In: Økologisk Jordbrug, 2003, p. 6.

Vinther, F.P.; Eriksen, J. and Hansen, E.M. (2004) Leaching of dissolved organic carbon (DOC) and nitrogen (DON) from grass-clover pastures after ploughing. DOM 2004 - International workshop: Dissolved Organic Matter and the Cycling of Carbon, Nutrients and Metals, Bayreuth, Germany, October 3-6 2004.

Vinther, F.P.; Hansen, E.M. and Eriksen, J. (2006) Leaching of soil organic carbon and nitrogen in sandy soils after cultivating grass-clover swards. Biology and Fertility of Soils (43), pp. 12-19.

Vinther, F.P.; Hansen, E.M. and Eriksen, J. (2005) Leaching of organic nitrogen and carbon after cultivating grass-clover pastures. Online at <http://www.darcof.dk/enews/mar05/leach.html>, June 2005. Accessed March 2005.

Vinther, F.P.; Hansen, E.M. and Eriksen, J. (2005) Udvaskning af organisk kulstof efter kløvergræs. [Leaching of organic carbon and nitrogen.] In: Olesen, J.E. (Ed.) Drivhusgasser fra jordbruget - reduktionsmuligheder, chapter 11, pp. 129-140.

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. ^*

W

WEHBE, Elias (2005) Effect of annual self-reseeding legumes on subsequent crops (particularly durum wheat) into a long-term rotation program under organic farming. [Effet des légumineuses annuelles à ressemis sur les cultures successives (particulièrement,le blé dur) dans un programme de rotation à long terme en agriculture biologique.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. [ Unpublished, ]

Weller, R (2006) The development of organic milk production systems. [ Unpublished, ]

Weller, Richard F and Jones, Evan L (2002) An overview on the role and potential of forage production on lowland organic livestock farms. 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. 81-84.

Williams, Leslie R (2002) Monitoring of organic hay meadows to provide feedback for public access, biodiversity, and crop management. 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. 93-94.

Wright, Isobel (2008) Combinable protein crop production. Research Review for Advisors.

Y

Younie, D. (2001) Organic grassland: the foundation stone of organic livestock farming. In: Younie, D. and Wilkinson, J.M. (Eds.) Organic livestock farming. Papers presented at conferences held at the Heriot-Watt University, Edinburgh and at the University of Reading, 9-10 February 2001, Lincoln, UK: Chalcombe Publications, chapter 6, pp. 75-102.

Younie, David (2008) Grass clover ley species, variety selection and management.

This list was generated on Sat Nov 7 04:48:30 2009 CET.