EFFECT OF WEED CONTROL PRACTICES ON WEED POPULATION AND YIELD OF MAIZE M. S. ZAHIR ZAHIR R. M. IQBAL IQBAL S. AHMED Z. A. CHEEMA CHEEMA DOI: https://doi.org/10.28941/pjwsr.v1i1.35 PDF Published 1988-03-01 Issue Year 1988, Volume 1 , Issue 1 Section Articles