Remediation of Spent Engine Oil Polluted Soil using Glycine Max (L.) (Soybean) and Vigna Unguiculata (L.) (Cowpea)
remediation; soil nutrient; soybean; cowpea
Abstract
Spent engine oil is synthetic oil that contains impurities or loss of major properties thus affecting its unique purpose. In this study, an experiment was carried out at the contaminated site of Federal College of Forestry; Ibadan to investigate the remediation of spent engine oil polluted soil using soybean and cowpea. The treatments are soybean planted on polluted soil (T1), cowpea planted on nonpolluted soil (T2), cowpea planted on polluted soil (T3), soybean planted on nonpolluted soil (T4). The treatments were arranged in a complete randomized design (CRD) and replicated four times. The soil analysis before and after harvesting was carried out. The growth parameters measured for the legumes were plant height (cm), stem girth (cm), number of leaves, and number of branches. The result of this study shows that the overall growth performance of the two legumes reduced significantly (p
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2020-04-25
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