IMPACT OF FERTILIZER AND PLANTING DENSITY ON WEEDS POPULATION IN MAIZE CROP Shamsher Ali Zahid Hussain Khair Ullah Zakir Ullah Jan Jan Muhammad Adnan Khan Khan Ikram Ullah DOI: https://doi.org/10.28941/pjwsr.v23i1.687 PDF Published 2017-03-01 Issue Year 2017, Volume 23 , Issue 1 Section Articles