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Agronomic and economic evaluation of urea placement and sulfur-coated urea for irrigated paddy in farmers' fields in Eastern India / Adolfo Martinez, Ray B. Diamond, Sakti P. Dhua.
- 856.1
- International fertilizer development center (IFDC),
- 1983.
- Muscle Shoals, AB :
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Fertilizer use statistics in crop production / by Adolfo Martinez and Ray B. Diamond.
- International fertilizer development center (IFDC),
- 1982.
- Muscle Shoals, AB :