Cropping and soil management systems and their effect on soil productivity in Zambia : a review

Lungu, O. I.
Inngår i serie: Ecology and development paper (no. 5)
Bok · Engelsk · 1993
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A review of soil productivity research in high rainfall areas of Zambia

Lungu, O. I.
Inngår i serie: Skriftserie. A / Norwegian Centre for International Agricultural Development - NORAGRIC (8)
Bok · Engelsk · 1987 · Les på nett
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