Effects of the different tillage techniques on the efficiency of weed control and nitrogen uptake in transplanted rice [microform].

Detalhes bibliográficos
Autor principal: Castroverde, Yolanda LUmanug 1951-
Formato: Visual Material
Idioma:English
Publicado em: Quezon City Photoduplication Service, University of the Philippines Library 1980.
Assuntos: