Organic Eprints frontpage
 about    browse    search    register    user area    help 

Research Affiliation: I. 3 (BIOMOD) Interaction between nitrogen dynamics, crop production and biodiversity


Number of eprints: 51.

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

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

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. [preprint]*

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.. [preprint]*

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. [preprint]**

Berntsen, J.; Petersen, B.M.; Kristensen, I.S. and Olesen, J.E. (2004) Nitratudvaskning fra økologiske og konventionalle planteavlsbedrifter - simuleringer med FASSET bedriftsmodellen. Markbrug no. 107, Danmarks JordbrugsForskning.

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 no. 56, Forskningscenter for Økologisk Jordbrug (FØJO).*

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 (2004) Ingen forskel på nitratudvaskning. In Økologisk Jordbrug, Volume 316, page 6.

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; 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 . Poster presented at 12th N Workshop, Exeter, England, 21/9-24/9; Abstracts for the 12th N workshop.

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). Online at <http://www.darcof.dk/enews/dec03/biomod.html>

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.*

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. FØJO-rapport no. 19, chapter 6, page pp. 103-123. Danish Research Centre for Organic Farming.

Eriksen, J. and Vinther, F.P. (2003) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. Poster presented at 12th N workshop "Controlling N Flows and Losses", University of Exeter, Devon, UK, 21st - 24th September, 2003; Published in Abstracts for the 12th N workshop "Controlling N Flows and Losses".

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.**

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. Paper presented at 17th World Congress of Soil Science, Bangkok, Thailand, 13-20 August 2002; Published in Kheoruenromme, Dr. Irb, Eds. Conference Transactions, page 830.1-830.9. International Union of Soil Science.**

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?]. Paper presented at Økologi-kongres 2004, Odense, 16-17 November 2004; Published in Økologi kongres 2004. Vision og virkelighed. Kongresbilag, page pp. 104-105. Dansk Landbrugsrådgivning.

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

Olesen, J.E.; Berntsen, J.; Petersen, B.M. and Kristensen, I.S. (2004) Nitrate leaching from organic and conventional crop production farms. Paper presented at The role of part-time and pluri-active farmers in rural development and natural resource management, Hotel Propellen, Billund, 22-24 April 2004; Published in The role of part-time and pluri-active farmers in rural development and natural resource management. Abstracts, page 19. NJF Seminars 357.

Olesen, J.E. and Petersen, B.M. (2004) Do we pay proper attention to the subsoil C turnover?. Paper presented at Impacts of changes in land use and management on carbon stocks and turnover in the tropics, University of Copenhagen, 23-24 August 2004; Published 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, page 20. Geographical Institute, University of Copenhagen.

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, chapter 9, page pp. 129-140. SCOPE 65. Island Press.

Olesen, Jørgen E.; Askegaard, Margrethe and Berntsen, Jørgen (2004) Nitrate leaching from arable crop rotations in organic farming. Paper presented at 12th N workshop, Exeter, Devon, UK, 21-24 September, 2003; Published in Hatch, D.J.; Chadwick, D.R.; Jarvis, S.C. and Roker, J.A., Eds. Controlling nitrogen flows and losses, page pp. 389-396. Wageningen Academic Publishers.

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, chapter 5, page pp. 71-89. SCOPE 65. Island Press.

Pedersen, Anders (2008) Modelling crop root development and nitrate uptake. Ph.D. thesis, Department of Agricultural Sciences, The Faculty of Life Sciences, University of Copenhagen.*

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.

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

Pedersen, Anders; Thorup-Kristensen, Kristian; Kristensen, Hanne Lakkenborg and Berntsen, Jørgen (2004) Simulating root growth. DARCOFenews. Online at <http://www.darcof.dk/enews/june04/roots.html>

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. Poster presented at 11th Nitrogen Workshop, Reims, France, 9-12 September 2001; Published in Recous, Dr. S., Eds. Conference Transactions.

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>. DIAS website *

Petersen, B.M. and Berntsen, J. (2004) Modelling Long Term Soil Carbon and Radiocarbon Dynamics with CN-SIM. Poster presented at Biological Systems simulation conference, Gainesville, Florida, 8-10 March 2004, Gainesville, Florida, 8-10 March 2004; Published in Biological Systems simulation conference, Gainesville, Florida, 8-10 March 2004. Book of abstracts, page pp. 61-62.*

Petersen, B.M. and Berntsen, J. (2004) Modelling soil C and 14C development. Poster presented at International COST ACTION symposium 3rd - 6th June 2004, Ghent, Belgium, Ghent, Belgium, 3rd - 6th June 2004; Published in International COST ACTION symposium 3rd - 6th June 2004, Ghent, Belgium. Book of abstracts, page 59.*

Petersen, B.M. and Berntsen, J. (2003) The turnover of soil organic matter on different farm types. DARCOFenews(3). Online at <http://www.darcof.dk/enews/sep03/orgmat.html>*

Petersen, B.M. and Berntsen, J. (2002) Omsætning i jordpuljen på forskellige bedriftstyper, in Kvælstofbalancer på landbrugsbedriften - status og perspektiver. DJF intern rapport 157.. DIAS internal report no. 157, page pp. 41-47.*

Petersen, B.M. and Berntsen, J. (2002) Omsætning i jordpuljen på forskellige bedriftstyper. [oral] Presentation at 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. Poster presented at COST 627. Carbon storage in European Grasslands., Foulum, Denmark, 2001; Published in COST 627. Carbon storage in European Grasslands. Danish Institute of Agricultual Sciences, Research Centre Foulum. Book of Abstracts.

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.; Jensen, L.S. and Hansen, S. (2003) Modelling long term carbon and radiocarbon development. Poster presented at 12th N workshop, Execter, UK, 21-24 september 2003; Published in Abstracts for the 12th N workshop. 21-24 September, 2003 Exeter, Devon, UK.

Petersen, B.M.; Berntsen, J.; Kristensen, I.S. and Olesen, J.E. (2004) Samme udvaskning af kvælstof ved økologisk og konventionel planteavl. FØJOenyt. Online at <http://www.foejo.dk/enyt2/enyt/juni04/udvask.html>*

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

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.*

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

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. Online at <http://www.kluweronline.com/issn/1385-1314/contents>

Vinther, F.P.; Hansen, E.M. and Olesen, J.E. (September 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, "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. Poster presented at NJF seminar no: 342 "Agricultural soils and greenhouse gasses in cool-temperate climate", Reykholt, Iceland, 31. july - 3. august 2002; Published in Abstracts of NJF seminar no: 342 "Agricultural soils and greenhouse gasses in cool-temperate climate", page 12.

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

This list was generated on Sat May 17 06:54:44 CEST 2008.