Effects of organic and inorganic fertilizers on corn performance and on some soil properties [microform] - Castillo, Edgardo H. 1946- (Quezon City :Photoduplication Service. University of the Philippines Library, 1980)
Microfilmed with 13 other titles.
Appendices: leaves 58-117.
Microfilm of a mimeographed text.
Vita.
Thesis (M.S.)--University of the Philippines, Los Banos.
Originally published in 1978.
Keywords: Fertlizers and manures -- Research. -- Philippines; Corn -- Fertilizers and manures. -- Philippines