Competitive effects of Cyperus rotundus L., Echinochloa colonum (L.) Link and trianthema portulacastrum L. on cotton [microform].
| Egile nagusia: | |
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| Formatua: | Visual Material |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
Photoduplication Service, University of the Philippines Library
1977.
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| Gaiak: |