Chemical and physico-chemical changes in a flooded acid sulfate soil and the growth and yield of rice [microform]

Xehetasun bibliografikoak
Egile nagusia: Mai-Thi-My-Nhung, 1936-
Formatua: Visual Material
Argitaratua: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Gaiak: