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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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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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New directions in world agriculture
Brown, Lester R. - In: Studies in family planning : a publication of the … (1968), pp. 1-6
Persistent link: https://www.econbiz.de/10001949087
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Fertilizer supply and grain production in Communist China
Liu, Jung-Chao - In: Journal of farm economics 47 (1965) 4, pp. 915-932
Persistent link: https://www.econbiz.de/10002388446
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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
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Energy, fertilizer and grain production in the U. S. S. R. Key linkages
Auburn, Jill Shore; Young, Brigitta - 1983
Persistent link: https://www.econbiz.de/10001841630
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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