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Soil fertility management in Mutoko communal area, Zimbabwe : report of a field exercise, August 12th-September 3rd 1992 / ed. S.E. Carter ; with contrib. from A. Chidiamassamba...[et al.].
- Tropical soil biology and fertility programme,
- 1993.
- Nairobi :
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Targeting agricultural research for development in the semi-arid tropics of sub-Saharan Africa : proceedings of a workshop held at International center for research in agroforestry, Nairobi, Kenya, 1-3 July 2002 / ed. H. Ade Freeman, David D. Rohrbach, and Chris Ackello-Ogutu.
- International crops research institute for the semi-arid tropics (ICRISAT),
- 2002.
- Nairobi :