Shifts in weed and weed seed population under different multiple cropping patterns [microform]

Shifts in weed and weed seed population under different multiple cropping patterns [microform]

Bibliographic Details
Main Author: Tavatchai Radanachaless
Format: Visual Material
Published: Quezon City Photoduplication Service. University of the Philippines Library 1981.
Subjects:
Weeds > Philippines.
Weed control research > Philippines.
Cropping systems > Philippines.