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]

Detalhes bibliográficos
Autor principal: Duangputra, Piya 1939-
Formato: Visual Material
Publicado em: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Assuntos:
Phosphorus as fertilizers.
Soils > Phosphorus content.
Rice > Fertilizers and manures.