Combination of estimates of responses to fertilizers from 72 field experiments on palay [microform] - Orara, Lourdes G. 1937- (Quezon City Photoduplication Service, 1973)
Thesis (M.A.) -- University of the Philippines.
Microfilmed with 12 other titles.
Originally pulished in [Manila : 1961].
Keywords: Fertilizers -- Mathematical models