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Mineraldüngung zu Getreide in der Sowjetunion : Voraussetzungen, Forschungsergebnisse und Anwendung
Pospelowa, Galina; Lehmann, David - 1977
Persistent link: https://www.econbiz.de/10000064298
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Problemy ekologicznego gospodarowania na obszarach wiejskich
Ryszkowski, Lech - 1980
Persistent link: https://www.econbiz.de/10002733375
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Some effects of alternative energy policies on California annual crop production
Adams, Richard M.; Johnston, Warren E.; King, Gordon A. - 1978
Persistent link: https://www.econbiz.de/10003247314
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Energy alternatives in U. S. crop production
Webb, Kerry; Duncan, Marvin - 1979
Persistent link: https://www.econbiz.de/10002969845
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Energy use in crop systems in Northeastern China
Dazhong, Wen; Pimental, David - In: Food and energy resources, (pp. 91-120). 1984
Persistent link: https://www.econbiz.de/10002060441
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A comparison of annual versus average optima for fertilizer experiments
Doll, John P. - In: American journal of agricultural economics 54 (1972) 2, pp. 226-233
Persistent link: https://www.econbiz.de/10002093767
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Report on evaluation of the High Yielding Varieties Programme : Kharif, 1968
1971
Persistent link: https://www.econbiz.de/10003230263
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Agriculture in China
Wortman, Sterling - In: Scientific American 232 (1975) 6, pp. 13-31
Persistent link: https://www.econbiz.de/10002999562
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Technological change : the case of corn production in the Argentine Pampas
Mulleady, José Tomás - 1973
Persistent link: https://www.econbiz.de/10002545702
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Avaliação economico do uso de fertilizantes em áreas selecionadas na região Centro-Sul
Neto, Afonso Negri; Anjos, Natanael Miranda dos - In: Agricultura em São Paulo : revista de economia agrícola 27 (1980) 2, pp. 1-79
Persistent link: https://www.econbiz.de/10002568183