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35
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Assessment of soil nutrient depletion in sub-Saharan Africa : 1983-2000 / J.J. Stoorvogel, E.M.A. Smaling.
- Winand Staring centre,
- 1990.
- Wageningen :
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La capacité de charge du département de Tô : une étude de la situation fourragères dans la savane du centre-sud du Burkina Faso / Peter Egging.
- Université agronomique Wageningen. Unité d'enseignement et recherche des grandes cultures et des cultures fourragères [etc.],
- 1990.
- Wageningen :
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Mechanized annual cropping on low fertility acid soils in the humid tropics : a case study of the Zanderij soils in Suriname / ed. by B.H. Janssen & J.F. Wienk.
- Wageningen agricultural university,
- 1990.
- Wageningen :
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Farming systems and production strategies : Agou Area, Togo / prep. by Nehru B. Essomba ; on the basis of a study by Kodjovi Amegadjen...[et al.].
- International course for development oriented research in agriculture (ICRA),
- 1990.
- Wageningen :
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Contribution à l'étude des stratégies de production dans le système agricole de la zone d'Agou, Togo / Kodjovi Amegadjen...[et al.].
- International centre for development oriented research in agriculture,
- 1990.
- Wageningen :
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Management of agropastoral systems in a semiarid region / E.D. Ungar.
- Pudoc,
- 1990.
- Wageningen :
-
Chicken farming / [ed. STOAS].
- STOAS,
- 1990.
- Wageningen :
-
Agricultural research and extension : a contribution to understanding of the linkages with small scale farmers : a case study in Kumba Corridor agro-ecological zone, SWP, Cameroon / Jose Arze...[et al.].
- International centre for development oriented research in agriculture,
- 1990.
- Wageningen :
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Screening of hydrological data : tests for stationarity and relative consistency / E.R. Dahmen, M.J. Hall.
- International institute for land reclamation and improvement (ILRI),
- 1990.
- Wageningen :
-
Simulation of capillary soil water flow under arid conditions : application to soil types in the western desert of Egypt / W.G.M. Bastiaanssen, M. Menenti, P. Kabat.
- Winand Staring centre,
- 1990.
- Wageningen :