Items affiliated to " Denmark > DARCOF II (2000-2005) > I. 3 (BIOMOD) Interaction between nitrogen dynamics, crop production and biodiversity"

Book chapter

Olesen, J.E.; Sørensen, P.; Thomsen, I.K.; Eriksen, J.; Thomsen, A.G. and Berntsen, J. (2004) Integrated nitrogen input systems in Denmark. In: Mosier, A.R.; Syers, J.K. and Freney, J.R. (Eds.) Agriculture and the nitrogen cycle: assessing the impacts of fertilizer use on food production and the environment, Island Press, chapter 9, pp. 129-140.

Palm, C.A.; Machado, P.L.O.A.; Mahmood, T.; Melillo, J.; Murrell, S.T.; Nymangara, J.; Scholes, M.; Sisworo, E.; Olesen, J.E.; Pender, J.; Stewart, J. and Galloway, J.N. (2004) Societal responses for addressing nitrogen fertilizer needs: Balancing food production and environmental concerns. In: Mosier, A.R.; Syers, J.K. and Freney, J.R. (Eds.) Agriculture and the nitrogen cycle: assessing the impacts of fertilizer use on food production and the environment, Island Press, chapter 5, pp. 71-89.

Conference paper, poster, etc.

Berntsen, Jørgen; Olesen, Jørgen; Petersen, Bjørn Molt and Eriksen, Jørgen (2003) Simulation of nitrate leaching from an organic dairy crop rotation with different manure types and loads. 12th N Workshop, Exeter, England, 21/9-24/9. In: Abstracts for the 12th N workshop, IGER. [ Unpublished, ]

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.

Müller, Dr. Torsten; Magid, Dr. Jakob; Jensen, Dr. Lars Stoumann; Nielsen, Dr. Niels Erik and Thorup-Kristensen, Dr. Kristian (2002) Catch Crops in Organic Farming Systems without Livestock Husbandry - Model Simulations. 17th World Congress of Soil Science, Bangkok, Thailand, 13-20 August 2002. In: Kheoruenromme, Dr. Irb (Ed.) Conference Transactions, International Union of Soil Science, 830.1-830.9. ^**

Olesen, J.E. (2004) Hvordan holder økologisk jordbrug føringen på beskyttelse af vandressourcerne? [How can organic farming maintain the lead in protection of water resources?] Økologi-kongres 2004, Odense, 16-17 November 2004. In: Økologi kongres 2004. Vision og virkelighed. Kongresbilag, Dansk Landbrugsrådgivning, pp. 104-105.

Olesen, J.E.; Berntsen, J.; Petersen, B.M. and Kristensen, I.S. (2004) Nitrate leaching from organic and conventional crop production farms. The role of part-time and pluri-active farmers in rural development and natural resource management, Hotel Propellen, Billund, 22-24 April 2004. In: The role of part-time and pluri-active farmers in rural development and natural resource management. Abstracts, p. 19.

Olesen, J.E. and Petersen, B.M. (2004) Do we pay proper attention to the subsoil C turnover? Impacts of changes in land use and management on carbon stocks and turnover in the tropics, University of Copenhagen, 23-24 August 2004. In: Rasmussen, K.; Elberling, B. and Jepsen, M.R. (Eds.) Impacts of changes in land use and management on carbon stocks and turnover in the tropics, Geographical Institute, University of Copenhagen, p. 20.

Olesen, Jørgen E.; Askegaard, Margrethe and Berntsen, Jørgen (2004) Nitrate leaching from arable crop rotations in organic farming. 12th N workshop, Exeter, Devon, 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, pp. 389-396.

Pedersen, Anders and Thorup-Kristensen, Kristian (2004) Modelling root distribution and nitrogen uptake. International Congress Rhizophere, Perspective and Challenges - A tribute to Lorenz Hiltner, Munich, Germany, 12-17 september 2004. [ Unpublished, ]

Petersen, Anders; Bruun, Sander; Jensen, Dr. Lars Stoumann and Hansen, Dr. Søren (2001) Simulating Soil Organic Matter Transformations with the New Implementation of the Daisy Model. 11th Nitrogen Workshop, Reims, France, 9-12 September 2001. In: Recous, Dr. S. (Ed.) Conference Transactions, INRA.

Petersen, B.M. and Berntsen, J. (2004) Modelling Long Term Soil Carbon and Radiocarbon Dynamics with CN-SIM. Biological Systems simulation conference, Gainesville, Florida, 8-10 March 2004, Gainesville, Florida, 8-10 March 2004. In: Biological Systems simulation conference, Gainesville, Florida, 8-10 March 2004. Book of abstracts, pp. 61-62. ^*

Petersen, B.M. and Berntsen, J. (2004) Modelling soil C and 14C development. International COST ACTION symposium 3rd - 6th June 2004, Ghent, Belgium, Ghent, Belgium, 3rd - 6th June 2004. In: International COST ACTION symposium 3rd - 6th June 2004, Ghent, Belgium. Book of abstracts, p. 59. ^*

Petersen, B.M. and Berntsen, J. (2002) Omsætning i jordpuljen på forskellige bedriftstyper. Kvælstofbalancer på landbrugsbedriften - status og perspektiv, Foulum, Denmark, 24-04-2002.

Petersen, B.M. and Berntsen, J. (2001) Using C-Tool to simulate soil carbon and radiocarbon development. COST 627. Carbon storage in European Grasslands., Foulum, Denmark, 2001. In: COST 627. Carbon storage in European Grasslands. Danish Institute of Agricultual Sciences, Research Centre Foulum. Book of Abstracts, DIAS.

Petersen, B.M.; Berntsen, J.; Jensen, L.S. and Hansen, S. (2003) Modelling long term carbon and radiocarbon development. 12th N workshop, Execter, UK, 21-24 september 2003. In: Abstracts for the 12th N workshop. 21-24 September, 2003 Exeter, Devon, UK.

Petersen, B.M.; Jensen, L.S.; Berntsen, J.; Hansen, S. and Pedersen, A. (2003) Modelling short term carbon and nitrogen development. 12th N workshop, Execeter, UK, 21-24 september 2003. In: Abstracts for the 12th N workshop.

Vinther, F.P. and Eriksen, J. (2001) Measurement of CO2 evolution in situ. Cost Action 627: Carbon Storage in European Grasslands. Meeting of working groups 1 & 2, Trinity College Dublin, Ireland, 5th - 8th April, 2001. In: Abstracts of the Cost Action 627 meeting: Carbon Storage in European Grasslands, p. 17.

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 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.

Journal paper

Axelsen, Jørgen Aagaard and Holmstrup, Martin (2005) Modelling of earthworm population dynamics in agricultural soils (First draft). [ Submitted , March 2005]

Axelsen, Jørgen Aagaard; Sønderskov, Mette; Bruus-Pedersen, Marianne; Tybirk, Knud and Eriksen, Jørgen (2004) FieldEco – a multi-purpose biologically driven food web model. [ Submitted , November 2004] ^*

Bach, Cand scient Lisbet; Jørgensen, Scientist Helene B and Axelsen, Senior scientist Jørgen (2002) Effect of different levels of collembolan grazing on interspecific competition between microfungi, decomposition of organic matter and bio-availability of nitrogen. [ Submitted , 2002] ^*

Bach, Cand. scient Lisbet; Jørgensen, Scientist Helene B. and Axelsen, Senior scientist Jørgen (2002) Effect of collembolan grazing on interspecific competition between microfungi, decomposition of organic matter and bio-available nitrogen. almost ready for submission. [ Submitted , 2002] ^*

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. 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] ^**

Berntsen, J.; Petersen, B.M.; Olesen, J.E.; Eriksen, J. and Søegaard, K. (2005) Simulation of residual effects and nitrate leaching after incorporation of different ley types. European Journal of Agronomy (29), pp. 290-304.

Berntsen, Jørgen; Hauggard-Nielsen, Henrik; Olesen, Jørgen; Molt Petersen, Bjørn; Jensen, Erik Steen and Thomsen, Anton (2004) Modelling dry matter production and resource use in intercrops of pea and barley. Field Crops Research, 88, pp. 69-83. ^*

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).

Bruun, Sander; Hansen, Trine Lund; Christensen, Thomas Højlund; Magid, Jakob and Jensen, Lars Stoumann (2006) Application of processed organic municipal solid waste on agricultural land – model scenario analyses. Environmental Modeling and Assessment (11), pp. 251-265. ^*

Knudsen, Marie Trydeman; Kristensen, Ib Sillebak; Berntsen, Jørgen; Petersen, Bjørn Molt and Kristensen, Erik Steen (2006) Estimated N leaching losses for organic and conventional farming in Denmark. JournalofAgriculturalScience, 144 (2), pp. 135-149.

Larsen, Cand.scient Thomas; Ravn, Senior scientist Helle and Axelsen, Senior Scientist Jørgen (2004) Simplified and rapid method for extraction of ergosterol from natural samples and detection with quantitative and semi-quantitative methods using thin-layer chromatography. Journal of Chromatography A, 1026, 301 - 304. ^*

Müller, Torsten; Thorup-Kristensen, Kristian; Magid, Jakob; Jensen, Lars Stoumann and Hansen, Søren (2006) Catch Crops in Organic Farming Systems without Livestock Husbandry - Simulations with the DAISY model. Ecological Modelling, 191, pp. 538-544. ^**

Pedersen, Anders; Petersen, Bjørn Molt; Eriksen, Jørgen; Hansen, Søren and Jensen, Lars Stoumann (2007) A model simulation analyses of nitrate leaching – does soil organic matter pool structure or catch crop growth parameters matter most? Ecological Modelling. [ In Press , 2007]

Pedersen, Anders; Thorup-Kristensen, Kristian; Kristensen, Hanne Lakkenborg and Berntsen, Jørgen (2004) Simulating root growth. DARCOFenews.

Petersen, B.M. and Berntsen, J. (2003) The turnover of soil organic matter on different farm types. DARCOFenews (3). ^*

Petersen, B.M.; Berntsen, J.; Hansen, S. and Jensen, L.S. (2005) CN-SIM - a model for the turnover of soil organic matter. I: Long term carbon development. Soil Biology and Biochemistry (37), pp. 359-374.

Petersen, B.M.; Berntsen, J.; Kristensen, I.S. and Olesen, J.E. (2004) Samme udvaskning af kvælstof ved økologisk og konventionel planteavl. FØJOenyt. ^*

Petersen, B.M.; Jensen, L.S.; Berntsen, J.; Hansen, S.; Pedersen, A.; Henriksen, T.M.; Sørensen, P. and Trinsoutrot, I. (2005) CN-SIM - a model for the turnover of soil organic mattter. II: Short term carbon and nitrogen development. Soil Biology and Biochemistry (37), pp. 375-393.

Petersen, B.M.; Olesen, J.E. and Heidmann, T. (2002) A flexible tool for simulation of soil carbon turnover. Ecological Modelling, 151, pp. 1-14. ^*

Thomas, Larsen; Schjonning, Per and Axelsen, Jørgen (2004) The impact of soil structure on euedaphic Collembola. Applied Soil Ecology, 26, pp. 273-281. [ Unpublished, ] ^*

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, ]

Newspaper or magazine article

Berntsen, Jørgen (2004) Ingen forskel på nitratudvaskning. In: Økologisk Jordbrug, 2004, p. 6.

Report

Berntsen, J.; Petersen, B.M.; Kristensen, I.S. and Olesen, J.E. (2004) Nitratudvaskning fra økologiske og konventionalle planteavlsbedrifter - simuleringer med FASSET bedriftsmodellen. Markbrug, 107.

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. ^*

Report chapter

Dalgaard, R.; Olesen, J.E.; Halberg, N. and Berntsen, J. (2004) Miljøeffekter og energibalancer ved energiproduktion på økologiske planteavlsbedrifter. In: Jørgensen, U. and Dalgaard, T. (Eds.) Energi i økologisk jordbrug. Reduktion af fossilt energiforbrug og produktion af vedvarende energi, chapter 6, pp. 103-123.

Petersen, B.M. and Berntsen, J. (2002) Omsætning i jordpuljen på forskellige bedriftstyper. In: Kvælstofbalancer på landbrugsbedriften - status og perspektiver. DJF intern rapport 157., pp. 41-47. ^*

Thesis

Pedersen, Anders (2008) Modelling crop root development and nitrate uptake. Thesis, The Faculty of Life Sciences, University of Copenhagen, Department of Agricultural Sciences. [ Unpublished, ] ^*

Web product

Olesen, J.E. and Berntsen, J. (2004) Simulating crop production and nitrate leaching losses from organic arable crop production. Online at <http://www.darcof.dk/enews/dec04/simulating.html>, December 2004. Accessed 31 March 2005.

Petersen, B.M. (2003) C-TOOL version 1.1. A tool for simulation of soil carbon turnover. Description and users guide. Online at <http://www.agrsci.dk/c-tool/UsersManual_v1_1.pdf>, 2003. DIAS website. ^*

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".

This list was generated on Sun Nov 22 15:02:59 2009 CET.