Availability and transformationa of phosphorus fertilizers in submerged and non-submerged soils [microform]

Xehetasun bibliografikoak
Egile nagusia: Tusneem, Muhammad Ehsan ul Haq 1945-
Formatua: Visual Material
Argitaratua: Quezon City Photoduplication Service. University of the Philippines Library 1967.
Gaiak: