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Resultados 1-5 de 5

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))

granjas lecheras economics dairy farms lessivage du sol economia leaching polucion lixiviacion exploitation laitiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Mitigation of nitrous oxide emission from dairy farming systems

1998

Velthof, G.L. | Beusichem, M.L. van | Oenema, O. (Nutrient Management Institute NMI, Wageningen Agricultural University, P.O. Box 8005, 6700 EC Wageningen (Netherlands))

granjas lecheras green manures herbage nitrogen dairy farms suelo de praderas sistemas de explotacion nitrogeno engrais azote systeme d'exploitation agricole volatilizacion industrie laitiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental performance indicators for nitrogen

1998

Hanegraaf, M.C. (Centre for Agriculture and Environment, P.O. Box 10015, 3505 AA Utrecht (Netherlands))

granjas lecheras nitrogen dairy farms maize organic fertilizers ganado bovino nitrogeno engrais azote pollution atmospherique polucion del aire oxido nitroso exploitation laitiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
Fate of airborne polychlorinated dibenzo-p-dioxins and dibenzofurans in an agricultural ecosystem

1998

Welsch-Pausch, K. | McLachlan, M.S. (Ecological Chemistry and Geochemistry, University of Bayreuth, 95440 Bayreuth (Germany))

dairy farms maize polychlorinated dibenzofurans measurement agriculture organic fertilizers polychlorinated dibenzodioxins manures ...
Department for Environment, Food and Rural Affairs - United Kingdom
Environmental impacts of different nitrogen inputs on dairy farms and implications for the Resource Management Act of New Zealand

1998

Ledgard, S.F. | Crush, J.R. | Penno, J.W. (AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton (New Zealand))

granjas lecheras pastizales nitrogen dairy farms leaching excreta nitrogeno ordenacion de recursos paturages perdidas desde suelos perte des les sols aguas subterraneas ...
Department for Environment, Food and Rural Affairs - United Kingdom