Sources and rates od fertilizer phosphorus for flooded rice in Buenavista clay [microform]

Sources and rates od fertilizer phosphorus for flooded rice in Buenavista clay [microform]

Bibliographic Details
Main Author: Duangputra, Piya 1939-
Format: Visual Material
Published: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Subjects:
Phosphorus as fertilizers.
Soils > Phosphorus content.
Rice > Fertilizers and manures.