The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform].
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | Visual Material |
| भाषा: | English |
| प्रकाशित: |
Quezon City
Photoduplication Service, University of the Philippines Library
1977.
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| विषय: |