Influence of Weed (Sorghum bicolor L. Moench) Interference Duration on Subsequent Seed Germination and Vigor of Soybean (Glycine max L. Merrill)

A. Dabbagh Mohammadi NASAB,A. JAVANSHİR,H. ALYARİ,M. MOGHADDAM,H. KAZEMİ