Improving the productivity of Luisiana clay planted to rice [microform] - Chaliengratchai, Krairirk 1944- (Quezon City Photoduplication Service,University of the Philippines Library, 1975)
Microfilmed with 10 other titles
Thesis (M.S.)--University of the Philippines, Los Banos.
Originally published in 1972.
Keywords: Soils; Rice -- Fertilizers and manures