Performance and environmental effects of forage production on sandy soils. II. Impact of defoliation system and nitrogen input on nitrate leaching losses
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Addiscott T.M., 1991, Farming, Fertilizers and the Nitrate Problem
ALFAM, 2003, Ammonia Loss from Field-applied Animal Manure – An EU-supported Project to Co-ordinate and Disseminate Information on the Losses of Ammonia from Field-applied Animal Manures
AueC.(1993)The relevance of nutrient concentration in the drainage water for the nutrient fluxes in soils under forest and agricultural use in the young moraine landscape Bornhöveder Seenkette in northern Germany. (in German)Ph.D. thesis Christian‐Albrechts‐University Kiel Germany.
Benke M., 1992, Nitrate leaching from cut and grazed swards influenced by nitrogen fertilization, Proceedings of the 14th General Meeting of the European Grassland Federation, 184
Büchter M., 2003, Silage maize production on sandy soils in northern Germany: impact of understorey, slurry and mineral N fertilizer on nitrate leaching (in German), Pflanzenbauwissenschaften, 2, 64
Burns I.G., 1979, Nitrate movement in soil and its agricultural significance, Outlook on Agriculture, 9, 144, 10.1177/003072707700900308
ConijnJ.G. VelthofG.L.andTaubeF.(2002)Grassland resowing and grass‐arable crop rotations International Workshop on Agricultural and Environmental Issues Wageningen the Netherlands 18/19 April 2002.Report 47. Wagenigen the Netherlands: Plant Research International B.V.
Curll M.L., 1982, The grass and clover content of pastures grazed by sheep, Herbage Abstracts, 52, 403
Dowdell R.J., 1980, The Role of Nitrogen in Intensive Grassland Production, 129
Garrett M.K., 1992, The nitrogen economy of grazed grassland, Proceedings of the Fertilizer Society, London, 326, 1
Garwood E.A., 1986, Occasional Symposium of the British Grassland Society No. 20, 70
Goulding K.W.T., 1992, Nitrate and Farming System, 63
Hack‐Ten Broeke M.J.D., 2001, Nitrate leaching to groundwater at experimental farm ‘De Marke’ and other Dutch sandy soils, Netherlands Journal of Agricultural Science, 49, 195
Hatch D., 2002, Grassland re‐sowing and grass‐arable crop rotation, 9
Haude W., 1955, A basic approach to assess the transpiration of plants (in German), Mitteilungen des. Deutschen Wetterdienstes
Henkens P.L.C.M., 2001, Mineral policy in the Netherlands and nitrate policy within the European Community, Netherlands Journal of Agricultural Science, 49, 117
HügingH.(1997)Impact of pasture management in an upland watershed in the ‘Bergisches Land’ on the nitrate contamination of the soil water sward productivity and animal performance(in German).Ph.D. thesis Rheinische Friedrich‐Wilhelms‐Universität Bonn Germany.
Kirchmann H., 1991, Carbon and nitrogen mineralization of fresh, aerobic and anaerobic animal manures during incubation with soil, Swedish Journal of Agricultural Research, 21, 165
Kornher A., 1992, Proceedings of the 14th General Meeting of the European Grassland Federation, 378
LogesR.(1998)Yield forage quality N2‐Fixation and crop rotation value of red clover and red clover/grass‐mixtures (in German).Ph.D. thesis Christian‐Albrechts‐University Kiel Germany.
Macduff J.H., 1990, Proceedings of the 13th General Meeting of the European Grassland Federation, 18
NeuendorffJ.(1996)Contribution ofTrifolium repensto grassland production and evaluation of methods for quantification of biological N fixation (in German).Ph.D. thesis University of Kassel Germany.
Prins W.H., 1988, Current recommendations for nitrogen fertilisation within the EEC in relation to nitrate leaching, Proceedings of the Fertiliser Society, London, 276, 1
Rotz C.A., 2002, A modelling approach to management impacts on nitrogen fluxes in specialised dairy farms, Grassland Science in Europe, 7, 728
Ryden J.C., 1984, The flow of nitrogen in grassland, Proceedings of the Fertiliser Society, London, 229, 1
SAS Institute, 1995, User Guide, Release 6·11
Schils R.L.M., 2002, Grassland Re‐sowing and Grass‐arable Crop Rotation, 9
Scholefield D., 1992, Proceedings of the 14th General Meeting of the European Grassland Federation, 530
Sherwood M., 1989, Management Impacts to Reduce Impacts of Nitrates, 32
Stewart T.A., 1984, Forage Legumes. Occasional Symposium of the British Grassland Society No. 16, 93
StormW.D.(2001)Economic impact of measures to modify N fluxes in specialized dairy farms (in German).Ph.D. thesis Christian‐Albrechts‐University Kiel Germany.
Taube F., 2001, On‐farm nutrient balance assessment to improve nutrient management on organic dairy farms, Grassland Science in Europe, 6, 225
Taube F., 2000, Grassland Farming. Balancing Environmental and Economic Demands. Proceedings of the 18th General Meeting of the European Grassland Federation, 449
Thomson D.J., 1984, Forage Legumes. Occasional Symposium of the British Grassland Society No. 16, 78
Van Der Meer H.G., 1983, Efficient Grassland Farming. Proceedings of the 9th General Meeting of the European Grassland Federation, 61
Vellinga T.V., 2001, Grassland management and nitrate leaching, a model approach, Netherlands Journal of Agricultural Science, 49, 299
Volkers K., 2002, Management of forage maize for reduced nitrogen surpluses – results from an integrated research project, Grassland Science in Europe, 7, 744
Watson C.J., 1992, Nitrate and Farming Systems, 215
Wendling U., 1995, Estimation of the transpiration by grass with the FAO model by Penman‐Monteith (in German), Wasserwirtschaft, 85, 602
Whitehead D.C., 1970, The Role of Nitrogen in Grassland Productivity
Wulfes R., 1994, Proceedings of the 15th General Meeting of European Grassland Federation, 239
Young C.P., 1986, Effects of Land Use on Freshwater, 221