Manuring and inorganic fertilization on bush sitao (Vigna sesquipodalis Fruw.), okra (Hibiscus esculentus L.) and sweet potato (Ipomoea batatas (L.) Poir - Dongallo, Romeo Joromat 1943- (1979)
Mimeographed.
Thesis (M.S.)--University of the Philippines, Los Banos.
Vita.
Keywords: Fertilizers and manures -- Philippines