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

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

Bibliographic Details
Main Author: Castroverde, Yolanda LUmanug 1951-
Format: Visual Material
Language:English
Published: Quezon City Photoduplication Service, University of the Philippines Library 1980.
Subjects:
Tillage > Research. > Philippines.
Rice > Planting. > Philippines.
Rice > Fertilizers and manures. > Philippines.
rice research > Philippines.