Enhancing Biodegradation Of Crude Oil Polluted Soil By The Use Of Nutrient Supplements:- Chijioke-Osuji, Chinenye C

Authors: Chijioke-Osuji, Chinenye Chekwubechukwu | Natural & Applied Sciences Microbiology Theses 113 pages 18,369 words

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ABSTRACT

A bioremediation study was carried out on soil experimentally polluted with Bonny Light crude oil by supplementation with organic and inorganic nutrients (poultry manure, goat dung, sawdust and NPK fertilizer). The efficacy of the treatments was monitored for 112days by the measurement of total heterotrophic and hydrocarbon utilizing bacteria and fungi, and some physico-chemical parameters. The polluted soil had mean bacterial counts of 8.8xl04, 9.0xl04, 9.2xl04, 9.9xl04 and 7.6x10 cfu/ml respectively. Sample treated with NPK fertilizer had mean bacterial counts of 4.4xl04, 4.6xl04, 4.7xl04,

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