A study on the types of land preparations for rice and their effects on following upland crops [microform]
| מחבר ראשי: | |
|---|---|
| פורמט: | Visual Material |
| שפה: | English |
| יצא לאור: |
Quezon City
Photoduplication Service,University of the Philippines Library
1975.
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| נושאים: |