ECONOMIC EVALUATION OF WEED MANAGEMENT THROUGH TILLAGE, HERBICIDES AND HAND WEEDING IN IRRIGATED WHEAT KHALID USMAN MUHAMMAD AZIM KHAN KHAN DOI: https://doi.org/10.28941/pjwsr.v15i4.281 PDF Published 2009-12-01 Issue Year 2009, Volume 15 , Issue 4 Section Articles