Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice - Fagi, Achmad Mudzakkir 1940- (1977)
Appendices: leaves 138-155.
Bibliography: leaves 124-137.
Mimeographed.
Thesis (M.S.)--University of the Philippines, Los Banos.
Vita.
Keywords: Rice -- Philippines; Agriculture -- Philippines; Nitrogen fertilizers; Rice -- Fertilizers and manures. -- Philippines