COMPARATIVE EFFICACY OF DIFFERENT HERBICIDES AND THEIR TIME OF APPLICATION AGAINST WEEDS AND YIELD OF BULB ONION JALAL UD DIN DIN QAYYUM NAWAZ ZIA AHMAD MUHAMMAD MUNIR DOI: https://doi.org/10.28941/pjwsr.v7i1%20and%202.68 PDF Published 1994-03-01 Issue Year 1994, Volume 7 , Issue 1 and 2 Section Articles