A field guide for onfarm research with special reference to improvement of cropping systems and techniques in West and Central Africa
| Main Authors: | , , , |
|---|---|
| Format: | Manual |
| Language: | Inglés |
| Published: |
1986
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/97956 |
| Description not available. |