The effect of different calcium sources on the growth of mustard (brassica juncea, coss.) and some chemical properties of some Philippine soils [microform]
| المؤلف الرئيسي: | |
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| التنسيق: | Visual Material |
| منشور في: |
Quezon City
Photoduplication Service. University of the Philippines Library
1977.
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| الموضوعات: |