The effect of organic and inorganic fertilizer and organic manure on the yield and yield components of soybeans [microform]
| 1. Verfasser: | |
|---|---|
| Format: | Visual Material |
| Sprache: | English |
| Veröffentlicht: |
Quezon City
Photoduplication Service, University of the Philippines Library
1978.
|
| Schlagworte: |