أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

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الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)

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Nitrate leaching in dairy farming: economic effects of environmental restrictions

1998

Groeneveld, R. | Bouwman, A.F. | Kruitwagen, S. | Ierland, E.C. van (Department of Economics and Management, Environmental Economics Group, Wageningen Agricultural University, P.O. Box 8130, 6700 EW, Wageningen (Netherlands))

Department for Environment, Food and Rural Affairs - United Kingdom

The manure model: manure, minerals (N, P and K), ammonia emission, heavy metals and the use of fertiliser in Dutch agriculture

1998

Oudendag, D.A. | Luesink, H.H. (Agricultural Economics Research Institute [LEI-DLO], The Hague (Netherlands))

Department for Environment, Food and Rural Affairs - United Kingdom

Analysis of environmental policy measures aimed at reducing nitrogen leaching at the farm level

1998

Hasler, B. (National Environmental Research Institute, Department for Policy Analysis, P.O. Box 358, 4000 Roskilde (Denmark))

Department for Environment, Food and Rural Affairs - United Kingdom