The effect of organic and inorganic fertilizer and organic manure on the yield and yield components of soybeans [microform]
| Prif Awdur: | |
|---|---|
| Fformat: | Visual Material |
| Iaith: | English |
| Cyhoeddwyd: |
Quezon City
Photoduplication Service, University of the Philippines Library
1978.
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| Pynciau: |