AN APPROACH TO FIND EFFECTIVE AND ECONOMICAL STRATEGY FOR CONTROLLING WEEDS IN WHEAT IN NWFP Mohammad Khan Nazeer Hussain Shah Shah Gul Hassan Habibullah Nazir Ahmad Zahoor-ul-Haq DOI: https://doi.org/10.28941/pjwsr.v11i1%20and%202.155 PDF Published 2005-03-01 Issue Year 2005, Volume 11 , Issue 1 and 2 Section Articles