Some factors affecting ammonification in flooded soils [microform].

書目詳細資料
主要作者:	Aspiras, Ruben Baldonado 1939-
格式:	Visual Material
語言:	English
出版:	Quezon City Photoduplication Service, University of the Philippines Library 1977.
主題:	Soils > Analysis. Plants, Effect of ammonia on.