Organic stimulants for enhancing phytoremediation of crude oil polluted soil: A study on cowpea

Petroleum hydrocarbon (PH) contamination of soils remains a major threat to environmental health and food security. A two-years phytoremediation study was conducted on a crude oil polluted soil to assess changes in soil total petroleum hydrocarbon concentration (TPHsoil) following use of pawpaw seed...

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Veröffentlicht in:	Environmental pollution (1987) 2021-10, Vol.287, p.117674-117674, Article 117674
Hauptverfasser:	Aliku, Chioma Bella, Madu, Christian N., Aliku, OrevaOghene
Format:	Artikel
Sprache:	eng
Schlagworte:	Cowpea pod yield Crude oil pollution Pawpaw seed powder Total petroleum hydrocarbon
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Zusammenfassung:	Petroleum hydrocarbon (PH) contamination of soils remains a major threat to environmental health and food security. A two-years phytoremediation study was conducted on a crude oil polluted soil to assess changes in soil total petroleum hydrocarbon concentration (TPHsoil) following use of pawpaw seed powder (PSP), moringa seed powder (MSP) and their combination (PSP + MSP) as organic stimulants in cowpea cultivation. The stimulants were tested at different application rates (100, 150, 200 and 250 g m−2), with the control (No stimulant) for their effectiveness in reducing TPHsoil and accelerating the removal rate (R) of PH from soil. The TPHsoil did not differ significantly (p
ISSN:	0269-7491 1873-6424
DOI:	10.1016/j.envpol.2021.117674