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Policies to reduce nitrogen surplus in German agriculture
1994
Isermeyer, F. | Schleef, K.H. (Institute of Farm Economics, Federal Agricultural Centre, Bundesallee 50, D-38116 Braunschweig-Volkenrode (Germany))
Department for Environment, Food and Rural Affairs - United Kingdom
Germany: the Baltic Sea and its agricultural environmental status
1994
Werner, W. | Wodsak, H.P. (Agrikulturchemisches Institut, Rheinischen Friedrich-Wilhelms Universitat Bonn, Mechenheinmer Allee 176, D-5300 Bonn (Germany))
Department for Environment, Food and Rural Affairs - United Kingdom