EFFECT OF VARIOUS WEED INFESTED PERIODS ON OKRA UNDER AGRO CLIMATIC CONDITIONS OF D.I. KHAN, PAKISTAN Shah Zareen Ijaz Ahmad INAMULLAH KHAN Shahzada Khan Muhammad Haroon Ikram Ullah DOI: https://doi.org/10.28941/pjwsr.v23i1.684 PDF Published 2017-03-01 Issue Year 2017, Volume 23 , Issue 1 Section Articles