PHYTOTOXIC EFFECTS OF Calotropis procera EXTRACT ON GERMINATION AND SEEDLING VIGOR OF WHEAT M E SAFDAR SAFDAR A ALI A TANVEER M YASEEN Z IQBAL K JIBRAN DOI: https://doi.org/10.28941/pjwsr.v18i3.396 PDF Published 2012-09-01 Issue Year 2012, Volume 18 , Issue 3 Section Articles