A study on the types of land preparations for rice and their effects on following upland crops [microform]
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Visual Material |
| Γλώσσα: | English |
| Έκδοση: |
Quezon City
Photoduplication Service,University of the Philippines Library
1975.
|
| Θέματα: |