FUW TRENDS IN SCIENCE & TECHNOLOGY JOURNAL
(A Peer Review Journal)
e–ISSN: 2408–5162; p–ISSN: 2048–5170
keywords: Zea mays, parameter, crude oil, unspiked soil, spiked soil.
Various parameters, such as growth index used to evaluate the productivity of a good agricultural soil were integrated in this study and critically examined under a pollution condition. The indigenous Nsukka soil representing a typical tropical soil was contaminated with calculated quantities of a given Nigerian crude oil (Bonny Light B-111). Growth indices of Zea mays planted as wellasnursery transplants was carried out on contaminated soil to observe the effect of the crude oil on the plant.Various plant growth parameters such as: height of plant, length and breadth of leaves were examined. The result of the experiment illustrated that there was a great significant difference (P<0.05) in the various growth parameter (Plant height, Length and Breadth of leaves) between Zea mays produced after 5 weeks in control soils (A and B) when compared to those grown on contaminated soils (5%, 10%, 15% and 20% (petroleum hydrocarbon) PHC w/w).There was reduction in the plant length, leaf length and breadth of all Zea mays plant cultivated on the crude oil contaminated soil. The character of these measured parameters (Zea mays grown in contaminated soil) showed that they were half the value of the controls.Between the non contaminated soil (control A) and the soluble metal contaminated soil (control B), there was slight reduction in Zea mays grown in soil contaminated with soluble metal salt only. Thus, the results clearly illustrated that crude oil contamination negatively and adversely affect the productivity of the Nsukka soil ipso facto the production of Zea mays.
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