HERBICIDAL ACTIVITY OF SOME MEDICINAL PLANTS EXTRACTS AGAINST Parthenium hysterophorus L. SHABNAM JAVED Amna Shoaib Arshad Javaid DOI: https://doi.org/10.28941/pjwsr.v20i3.546 PDF Published 2014-09-01 Issue Year 2014, Volume 20 , Issue 3 Section Articles