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]

Bibliografiska uppgifter
Huvudupphovsman: Duangputra, Piya 1939-
Materialtyp: Visual Material
Publicerad: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Ämnen:
Phosphorus as fertilizers.
Soils > Phosphorus content.
Rice > Fertilizers and manures.