The effects of sources, placements, timing of nitrogen application and placements of phosphorus fertilizer on the nitrogen uptake, growth and yield of rice variety BPI 76 and on levels of mineral nitrogen on Maahas clay [microform]

The effects of sources, placements, timing of nitrogen application and placements of phosphorus fertilizer on the nitrogen uptake, growth and yield of rice variety BPI 76 and on levels of mineral nitrogen on Maahas clay [microform]

Bibliographic Details
Main Author: Carangdang, Diosdado A. 1935-
Format: Visual Material
Published: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Subjects:
Rice.
Nitrogen fertilizers.