EFFECT OF MECHANICAL AND CHEMICAL WEED CONTROL ON THE PRODUCTIVITY OF COTTON Dilbaugh Muhammad Muhammad Naveed Afzal Afzal Ilyas Raza Muhammad Azam Mian Mian DOI: https://doi.org/10.28941/pjwsr.v15i2%20and%203.273 PDF Published 2009-06-01 Issue Year 2009, Volume 15 , Issue 2 and 3 Section Articles