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Research Affiliation: I.16 (OKOVAND) Regional groundwater protection by optimised organic farming systems


Number of eprints: 32.

Gjettermann, Birgitte (2005) Modeling dissolved organic matter mobilization and immobilization in the root zone: Effect of soil treatment on denitrification and N leaching. Report, Department of Agricultural Science, The Royal Veterinary and Agricultual University.

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 . [preprint]**

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. Poster presented at ATV MØDE. VINTERMØDE OM JORD- OG GRUNDVANDSFORURERNING, VINGSTEDCENTRET, 9.-10. marts 2004.; Published in Bruun, Bente, Eds. ATV Jord og Grundvand. Vintermøde om jord- og grundvandsforurerening., page pp. 435-444.**

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2005) High yield and low N leaching with barley as a green crop for silage after grass-clover. DARCOFenews(1). Online at <http://www.darcof.dk/enews/mar05/roughage.html>

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2005) Nitrogen leaching following cultivation of grazed grass-clover on coarse sandy soil. Poster presented at N-workshop, Maastricht, 23-26 Sept.

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2005) Stor produktion af grovfoder og lav nitratudvaskning ved dyrkning af grønbyg med italiensk rajgræs efter kløvergræs. FØJOenyt 1. Online at <http://www.foejo.dk/enyt2/enyt/feb05/groenbyg1.html>

Hansen, E.M.; Eriksen, J. and Vinther, F.P. (2004) Øget udnyttelse af kvælstof efter ompløjning af afgræsset kløvergræs. In Grøn Viden, Markbrug, November.

Jacobsen, O.H.; Vinther, F.P.; Schjønning, P.; Hansen, E.M. and Eriksen, J. (2004) Økologisk jordbrug til beskyttelse af grundvand [Organic farming for protection of the ground water quality]. [oral] Presentation at Økologi-kongres 2004, Odense Kongrescenter, 16-17. November 2004.

Jørgensen, P.R.; Urup, J.; Helstrup, T.; Jensen, M.B.; Eiland, F. and Vinther, F.P. (2004) Transport and reduction of nitrate in clayey till underneath forest and arable land.. Journal of Contaminant Hydrology 73:pp. 207-226.**

Munkholm, L.J. and Schjønning, P. (2003) Mechanical subsoiling: Mitigation of recompaction by light traffic and on-land ploughing. Paper presented at 16th International Conference of the International Soil Tillage Research Organization, Brisbane, Australia, July 2003; Published 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 Rüegg, K. (2005) Mitigation of subsoil recompaction by light traffic and on-land ploughing. I. Soil response. Soil & Tillage Research(80):pp. 149-158.

Rasmussen, Jim (2007) Below ground C and N transformation processes in perennial grass-clover mixtures. Ph.D. thesis, Department of Agricultural Sciences, Faculty of Life Sciences, University of Copenhagen.*

Rasmussen, Jim; Eriksen, Jørgen; Jensen, Erik Steen; Esbensen, Kim H. and Høgh-Jensen, Henning (2007) In situ carbon and nitrogen dynamics in ryegrass-clover mixtures: Transfers, deposition and leaching [In situ kulstof og kvælstof dynamik i kløvergræs: tranfer, deposition og udvaskning]. Soil Biology & Biochemistry 39:pp. 804-815.**

Rasmussen, Jim and Høgh-Jensen, Henning (2005) DOC and DON from grass-clover - results from a field experiment. Poster presented at Cost Action 852 - Workshop, Grado, Italy, November 9-11, 2005.**

Rasmussen, Jim and Høgh-Jensen, Henning (2004) Origin and composition of Dissolved Organic C and N from grass-clover mixtures . Poster presented at Cost Action 627 - Carbon Storage in European grasslands, Ghent, Belgium, June 3-6 2004.*

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.; Iversen, B.V. and Jacobsen, O.H. (2004) Driftsformen har begrænset effekt på jordens evne til at holde på vandet. FØJOenyt(5). Online at <http://www.foejo.dk/enyt2/enyt/okt04/vand.html>

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.

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

Styczen, M.; Poulsen, R.N.; Gudbjerg, J. and Gjettermann, B. (2005) Simulering af DOC og DON i indsatsområde "Søndersø" på Fyn: Endelig rapport for Arbejdspakke 6 i projektet "Regional Grundvandsbeskyttelse ved hjælp af optimerede Økologiske Dyrkningssystemer" [Simulation of DOC and DON in groundwater protection area "Søndersø" on Funen: Final report for work package 6 of the project "Regional Groundwater Protection by optimised organic farming systems"]. Report, Hydrology, Soil and Waste, DHI Water & Environment.*

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) SimDen – A simple empirical model for quantification of N2O emission and denitrification. Paper presented at Manure - an agronomic and environmental challenge. NJF-seminar no. 372, Nils Holgerssongymnasiet, Skurup, Sweden. Abstract of oral presentation, 5-6 September 2005, page 17. Abstracts of NJF-seminar no. 372 "Manure - an agronomic and environmental challenge".**

Vinther, F.P. (2004) Organisk kvælstof kan også udvaskes [Organic nitrogen can also be leached]. In Økologisk Jordbrug, 26. November, No 325, page 6.

Vinther, F.P. (October 2003) Hvor bliver kvælstoffet af? [Where does the nitrogen go?]. Online at <http://www.foejo.dk/enyt2/enyt/okt03/index.html>. October 2003, "DARCOF e-news"

Vinther, F.P. (2003) Kvælstof forsvinder [Nitrogen disappeas]. In Økologisk Jordbrug, No 297, page 8.

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. [oral] Presentation at 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. (June 2005) Leaching of organic nitrogen and carbon after cultivating grass-clover pastures. Online at <http://www.darcof.dk/enews/mar05/leach.html>. 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., Eds. Drivhusgasser fra jordbruget - reduktionsmuligheder. DJF rapport no. Markbrug nr. 113, chapter 11, page pp. 129-140. Afdeling for Jordbrugsproduktion og Miljø, Danmarks JordbrugsForskning.

Vinther, F.P.; Hansen, E.M.; Eriksen, J. and Jacobsen, O.H. (2004) Udvaskning af organisk bundet kvælstof og kulstof [Leaching of organic nitrogen and carbon]. FØJOenyt(6). Online at <http://www.foejo.dk/enyt2/enyt/dec04/don.html>

Vinther, Finn P. and Hansen, Søren (2004) SimDen - en simpel model til kvantificering af N2O-emission og denitrifikation. [SimDen - a simple model for quantification of N2O-emission and denitrification.]. DJF rapport no. 104, Department for Agroecology, Danish Institute of Agricultural Sciences.*

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