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Items affiliated to " Denmark > DARCOF II (2000-2005) > I.13 (DINOG) Dinitrogen fixation and nitrous oxide losses in grass-clover pastures"

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Number of items at this level: 46.

Ambus, P. (2004) Short term N2O losses in urine patches: a 15N labelling study. Poster at: International Conference. Greenhouse Gas Emissions from Agriculture - Mitigation Options and Strategies, Leipzig, Germany, 10-12 February, 2004. [Unpublished]

Ambus, Dr P (2002) Sources of N2O in organic grass-clover pastures. Poster at: NJF Seminar no. 342 Agricultural soils and greenhouse gases in cool-temperate climate, Reykholt, Iceland, 31 July - 3 August 2002. [Unpublished]

Ambus, P. (2004) Kilovis af N omsættes dagligt i kløvergræs. [Kilograms of N is transformed daily in grass-clover.] Økologisk Jordbrug, August 2004 (318), p. 6.

Ambus, P. (2002) Kommer der lattergas fra kløvergræsset? [Is grass-clover a source for nitrous oxide?] Landsbladet Mark, 2002.

Ambus, P. (2002) Sources of N2O in organic grass-clover pastures. Poster at: NJF Seminar no. 342 Agricultural soils and greenhouse gases in cool-temperate climate, Reykholt, Iceland, 31 July - 3 August 2002. [Unpublished]

Ambus, Dr Per (2002) Undersøgelse af kvælstofbinding og lattergas fra kløvergræsmarker. Økologisk Jordbrug, May 2002 (265).

Ambus, P. (2005) Relationship between nitrogen cycling and nitrous oxide emission in grass-clover pasture. Nutrient Cycling in Agroecosystems, 72, pp. 189-199.

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, 121, pp. 84-92.

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.

Bol, Roland; Petersen, Søren O.; Christofides, Calliopi; Dittert, Klaus and Hansen, Martin Nørregaard (2004) Short term N2O, CO2, NH3 fluxes and N/C transfers in a Danish grass-clover pasture after simulated urine deposition in autumn. [Udledninger af lattergas, kuldioxid og ammoniak samt N/C-omsætning i en dansk kløvergræsmark efter simuleret afsætning af urin om efteråret.] Journal of Plant Nutrition and Soil Science, 167, pp. 568-576.

Carter, Mette S. (2007) Contribution of nitrification and denitrification to N2O emissions from urine patches. Soil Biology & Biochemistry, 39, pp. 2091-2102.

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.

Carter, Mette S.; Klumpp, Katja and Xavier, Le Roux (2006) Lack of increased availability of root-derived C may explain the low N2O emission from low N-urine patches. Nutrient Cycling in Agroecosystems, 75, pp. 91-100.

Chatskikh, Dmitri; Olesen, Jørgen E. and Berntsen, Jørgen (2004) Modelling of N2O emissions from grasslands in Denmark. Speech at: Joint meeting of COST Action 627, Ghent, Belgium, 3-4 May 2004.

Chatskikh, Dmitri; Olesen, Jørgen E.; Berntsen, Jørgen; Regina, Kristiina and Yamulki, Sirwan (2003) A study of the N2O emission from grassland with the FASSET farm model. Poster at: 12th N Workshop, Exeter, Devon, UK, 21-24 September 2003. [Unpublished]

Chatskikh, D.; Olesen, J.E.; Berntsen, J.; Regina, K. and Yamulki, S. (2005) Simulation of effect of climate, soils and management on N2O emission from grassland. Biogeochemistry, 76, pp. 395-419.

Eriksen, J. and Vinther, F.P. (2003) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. In: Abstracts for the 12th N Workshop. Exeter 21-24 September.

Eriksen, J. and Vinther, F.P. (2002) Nitrate leaching in grazed grasslands of different composition and age. In: MULTI-FUNCTION GRASSLANDS – Quality Forages, Animal Products and Landscapes . European Grassland Federation, pp. 682-683.

Eriksen, J.; Vinther, F.P. and Søegaard, K. (2004) Nitrate leaching and N2-fixation in grasslands of different composition, age and management. Journal of Agricultural Science, 142, pp. 141-151.

Hutchings, Nicholas J.; Petersen, Bjørn M.; Olesen, Jørgen E. and Berntsen, Jørgen (2004) Does modelling of spatial heterogeneity matter? Speech at: Joint meeting of COST Action 627, Ghent, Belgium, 3-4 May 2004.

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.

Olesen, Jørgen E.; Chatskikh, Dmitri; Berntsen, Jørgen and Hutchings, Nicholas J. (2004) Udledning af lattergas fra græsmarker øges ved afgræsning og gødskning. FØJOenyt (4).

Petersen, Søren O. (2001) Nitrous oxide emissions and grassland management. . [Unpublished]

Petersen, Søren O.; Bol, Roland; Dittert, Klaus; Christofides, Calliopi; Roslev, Peter and Hansen, Martin N. (2004) Short-term C and N dynamics in urine patches: Response of nitrifiers to different urinary urea levels. Speech at: COST 627 Carbon Storage in Grasslands, Ghent, BE, 3-5 June 2004.

Petersen, Søren O.; Roslev, Peter and Bol, Roland (2004) Dynamics of a pasture soil microbial community after deposition of cattle urine amended with [13C]urea. [Dynamik af det mikrobielle samfund i en afgræsningsmark efter depositin af kvægurin beriget med [13C]urea.] Applied and Environmental Microbiology, 70 (11), pp. 6363-6369.

Petersen, Søren O.; Simek, Miloslav; Stamatiadis, Stamatis and Yamulki, Sirwan (2004) Nitrous oxide emissions from grazed grassland: effects of cattle management and soil conditions. In: Weiske, Achim (Ed.) Greenhouse gas emissions from agriculture. Mitigation options and strategies, Institute for Energy and Environment. Leipzig, Germany, pp. 75-78.

Petersen, Søren O.; Stamatiadis, Stamatis; Christofides, C.; Yamulki, Sirwan and Bol, . Roland (2003) Urea concentration affects short-term N turnover and N2O production in grassland soil. [Koncentrationen af urea i urin påvirker kvælstofomsætning og lattergasproduktion i afgræsningsmarker.] Poster at: 12th Nitrogen Workshop, North Wyke, UK, 22-24 Sept 2003. [Unpublished]

Petersen, Søren O.; Stamatiadis, Stamatis and Christofides, Calliopi (2004) Short-term nitrous oxide emissions from pasture soil as influenced by urea level and soil nitrate. [Lattergas-emissions fra græsmarksjord som funktion af urea-niveau og jordens nitratindhold.] Plant and Soil, 267 (1), pp. 117-127.

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. 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. Poster at: 12th N workshop "Controlling N flows and losses", Exeter, UK, 21st - 24th September 2003. [In Press]

Thyme, Mette and Ambus, Per (2002) Production of N2O in grass-clover pastures. In: van Ham, J; Baede, APM; Guicherit, R and Williams-Jacobse, JGFM (Eds.) Non-CO2 greenhouse gases: Scientific understanding, control options and policy aspects, Millpress, Rotterdam, Holland, pp. 149-150.

Thyme, Ph.D. stud. Mette and Ambus, Dr Per (2002) Production of N2O in grass-clover pastures. In: van Ham, J; Baede, APM; Guicherit, R and Williams-Jacobse, JGFM (Eds.) Non-CO2 greenhouse gases: Scientific understanding, control options and policy aspects, Millpress, Rotterdam, Holland, pp. 149-150.

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?] MånedsMagasinet Kvæg, January 2004, p. 19.

Vinther, F.P. (2004) Effect of age and cutting frequency on below-ground biomass in grass-clover. 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?] Speech at: Plantekongres 2004, Messecenter Herning, Danmark, 13.-14. januar 2004. [Unpublished]

Vinther, F.P. (2003) Symbiotisk N2 fiksering i kløvergræs. [Symbiotic N2 fixation in grass-clover.] FØJOenyt, June 2003, 2, - .

Vinther, F.P. (2003) Hvor meget kvælstof henter kløvergræs fra luften? [How much nitrogen is fixed by grass-clover?] Aktuel Økologi fra Familielandbrugets Økologikonsulenter, 2003 (6), pp. 4-5.

Vinther, F.P. (2003) Kvælstof fra luften. [Nitrogen from the air.] Økologisk Jordbrug, 2003 (288), p. 6.

Vinther, F.P. and Dahlmann-Hansen, L. (2005) Effects of ridging on crop performance and symbiotic N2 fixation of fababean (Vicia faba L.). Soil Use and Management, 21, pp. 205-211.

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.

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

This list was generated on Sun Nov 23 04:25:39 2014 CET.