Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]

Библиографические подробности
Главный автор:	Fagi, Achmad Mudzakkir 1940-
Формат:	Visual Material
Язык:	English
Опубликовано:	Quezon City Photoduplication Service. University of the Philippines Library 1979.
Предметы:	Rice > Philippines. Agriculture > Philippines. Nitrogen fertilizers. Rice > Fertilizers and manures. > Philippines.