Interaction of rate and time of nitrogen application and weed control methods in upland rice [microform].
| Päätekijä: | |
|---|---|
| Aineistotyyppi: | Visual Material |
| Kieli: | English |
| Julkaistu: |
Quezon City
Photoduplication Service. University of the Philippines Library
1980.
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| Aiheet: |