✦ LIBER ✦
Sources of nitrogen and yield advantages for monocropping and mixed cropping with cowpeas (Vigna unguiculataL.) and upland rice (Oryza sativaL.)
✍ Scribed by Gilbert U. Okereke; Nnadiugwu Ayama
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 404 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0178-2762
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