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

Manylion Llyfryddiaeth
Prif Awdur: Tusneem, Muhammad Ehsan ul Haq 1945-
Fformat: Visual Material
Cyhoeddwyd: Quezon City Photoduplication Service. University of the Philippines Library 1967.
Pynciau: