State of the art non-metallic minerals fertilizer research.
| Corporate Authors: | , |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Los Banos, Laguna
Philippine Council for Agriculture and Resources Research and Development
1986.
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| סדרה: | Mines Research Series No.4/86
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| נושאים: |