Short Communication The Effect of Aqueous Extracts from Leaf Leachates and the Soil Beneath Chromoleana odorata and Euphorbia heterophylla on the Germination of Cowpea Seeds. Pakistan Journal of Scientific & Industrial Research. 2006;49(4):296-298. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1209