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Phosphor-, Kalium- und Stickstoffbilanzen in landwirtschaftlichen Betriebssystemen der Bundesrepublik Deutschland von 1977/78 - 1989/90
Becker, Heinrich Christoph - 1991
Persistent link: https://www.econbiz.de/10000827400
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The impact of CAP reform and of fertilizer levies on agriculture and the environment : a regional assessment of the European Union
Becker, Heinrich Christoph; Kleinhanß, Werner - 1995
Persistent link: https://www.econbiz.de/10000930886
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Assessment of CAP reform and fertiliser levies at regional level in the European Union
Becker, Heinrich Christoph - In: The implementation of nitrate policies in Europe : …, (pp. 193-206). 1997
Persistent link: https://www.econbiz.de/10001324242