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Managing soil fertility in the tropics : a resource guide for participatory learning and action research / ed. Toon Defoer, Arnoud Budelman.
- Royal tropical institute (KIT),
- cop. 2000.
- Amsterdam :
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Soil fertility constraints in fields of small farmers in Western province - Zambia : report of a support mission to ARPT Western province 9 September - 3 October 1991 / by C.N. Mulenga, W.A. Stoop.
- Royal tropical institute (KIT),
- [1992].
- Amsterdam :
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Bulrush millet in Zambia : (with special reference to Western province) : field observations and document review / Petra Penninkhoff.
- Royal tropical institute (KIT),
- 1989.
- Amsterdam :