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]

Bibliographische Detailangaben
1. Verfasser: Duangputra, Piya 1939-
Format: Visual Material
Veröffentlicht: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Schlagworte:
Phosphorus as fertilizers.
Soils > Phosphorus content.
Rice > Fertilizers and manures.