A.C.G. Beldman

Farm structure or farm management: effective ways to reduce nutrient surpluses on dairy farms and their financial impacts

Ruud B.M. Huirne, G.W.J. Giesen, C.J.M. Ondersteijn, 2003 .

The Dutch Mineral Accounting System and the European Nitrate Directive: implications for N and P management and farm performance

Ruud B.M. Huirne, G.W.J. Giesen, C.J.M. Ondersteijn, 2002 .