Vol 49, No 2/3 (2001)

Papers

• Dutch nitrate policy: research, dairy industry and politics

  H. Van Keulen, P.C. Struik, J. Wienk

  115-116

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• Mineral policy in the Netherlands and nitrate policy within the European Community

  P.L.C.M. Henkens, H. Van Keulen

  117-134

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• Nitrogen management on experimental dairy farm 'De Marke'; farming system, objectives and results

  G.J. Hilhorst, J. Oenema, H. Van Keulen

  135-152

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• Nitrogen fluxes in the plant component of the 'De Marke' farming system, related to groundwater nitrate content

  H.F.M. Aarts, J.G. Conijn, W.J. Corré

  153-162

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• Nitrate in the upper groundwater of 'De Marke' and other farms

  L.J.M. Boumans, B. Fraters, G. Van Drecht

  163-177

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• Economics of environmental measures on experimental farm 'De Marke'

  M.H.A. De Haan

  179-194

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• Nitrate leaching to groundwater at experimental farm 'De Marke' and other Dutch sandy soils

  M.J.D. Hack-Ten Broeke

  195-206

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• The role of tactical and operational grassland management in achieving agronomic and environmental objectives; 'De Marke', a case study

  T.V. Vellinga, G.J. Hilhorst

  207-228

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• Grassland management and nitrate leaching, a model approach

  T.V. Vellinga, A.H.J. Van Der Putten, M. Mooij

  229-254

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• Efficient resource management in dairy farming on peat and heavy clay soils

  P.H.B. De Visser, H. Van Keulen, E.A. Lantinga, H.M.J. Udo

  255-276

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• Guiding commercial pilot farms to bridge the gap between experimental and commercial dairy farms; the project 'Cows and Opportunities'

  J. Oenema, G.J. Koskamp, P.J. Galama

  277-296

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