The influence of irrigation and nitrogen on dry seed yeild and germinability of four vegetable legumes harvested at different stages of maturity [microform]

Manylion Llyfryddiaeth
Prif Awdur: Alferez, Arturo Carino 1940-
Fformat: Visual Material
Cyhoeddwyd: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Pynciau: