Fertilizers and fertilizer policies in Phillipine agricultural development
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Laguna City, Philippines
UPLB Agricultural Policy Research Program, Center for Policy and Development Studies
1990.
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| 叢編: | UPLB-APRP monograph
90-02 |
| 主題: |