Kayode, J. (2006). 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. Biological Sciences - PJSIR, 49(4), 296–298. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/1209