The effect of different calcium sources on the growth of mustard (brassica juncea, coss.) and some chemical properties of some Philippine soils [microform]

書誌詳細
第一著者: Almendrala, Rodolfo Machado 1942-
フォーマット: Visual Material
出版事項: Quezon City Photoduplication Service. University of the Philippines Library 1977.
主題: