Effects of nitrogenforms and methods of application for lowlnd rice [microform] - Simsiman, Geronimo Vivit 1937- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 21 other titles.
Thesis (M.S.)
Originally published in College, Laguna, 1966.
Keywords: Rice; Nitrogen fertilizers