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Untersuchungen über den Einfluss einer elfjährigen Getreidefolge auf Bodenfruchtbarkeit, Verunkrautung. und Ertrag
Kämpf, R. - In: Bayerisches landwirtschaftliches Jahrbuch : zugleich … 46 (1969) 2, pp. 172-190
Persistent link: https://www.econbiz.de/10002181972
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Multiple-crop diversification : a macro-economic view
Kim, Y. J. - In: Asian economies (1981), pp. 5-19
Persistent link: https://www.econbiz.de/10002197203
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Les feux de brousse : une pratique traditionnelle ou un fléau?
Fresco, Louise O. - In: Zai͏̈re-Afrique 23 (1983), pp. 43-48
Persistent link: https://www.econbiz.de/10002169149
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The origin of the two- and three-field system in England : a new perspective
Dodgshon, Robert A. - In: Geographia Polonica 38 (1977), pp. 49-63
Persistent link: https://www.econbiz.de/10002079487
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Economics of grain-fallow rotations and fertilizer use in the prairie provinces
MacKenzie, J. G. - In: Canadian farm economics 3 (1968) 3, pp. 15-27
Persistent link: https://www.econbiz.de/10002250639
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Population in forestry communities practising shifting cultivation : a case study of Bangladesh
1979
Persistent link: https://www.econbiz.de/10003201467
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Sistemy zemledelija i sevooboroty osnovnych zon Rossijskoj Federacii
Narcissova, V. P. (contributor) - 1968
Persistent link: https://www.econbiz.de/10003188614
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Lamtoro and the Amarasi model from Timor
Jones, Paul H. - In: Bulletin of Indonesian economic studies 19 (1983) 3, pp. 106-112
Persistent link: https://www.econbiz.de/10003165061