BIOLOGICAL CONTROL OF PARTHENIUM IV: SUPPRESSIVE ABILITY OF AQUEOUS LEAF EXTRACTS OF SOME ALLELOPATHIC TREES AGAINST GERMINATION AND EARLY SEEDLING GROWTH OF PARTHENIUM HYSTEROPHORUS L. Sobiya Shafique Rukhsana Bajwa Arshad Javaid and and DOI: https://doi.org/10.28941/pjwsr.v11i1%20and%202.161 PDF Published 2005-03-01 Issue Year 2005, Volume 11 , Issue 1 and 2 Section Articles