Effects of degree of decomposition of four green manure crops and rice straw on the growth and yield of lowland rice [microform]
| প্রধান লেখক: | |
|---|---|
| বিন্যাস: | Visual Material |
| প্রকাশিত: |
Quezon City
University of the Philippines Library
1977.
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| বিষয়গুলি: |