Publisher: Bachudo Science Co. Ltd

Influence of Poultry Manure Amendment On Bioremedial Activity of Petroleum Oil Polluted Soil and Early Cowpea Growth

C. S. Iwuoha Odoemena
KEYWORDS: Poultry Manure, oil-polluted-soil, Cowpea growth

ABSTRACT:

Bioremedial ability of poultry manure on crude-oil-polluted soil and the effect on the seed germination as well as early growth rate of cowpea ( Vigna sinsnsis) on the soil were studied. The results showed that addition of poultry manure led to favourable increase in pH of the polluted soil. The total nitrogen and phosphorus content as well as the exchangeable cations levels ot the contaminated soil weresignificantly (P &lt; 0.05) increased. Carbon dioxide production was significantly (p <= 0.05) and positively correlated with increased concentration of poultry manure. Results on the cowpea germination and plant growth of the treated soil showed that increased levels of poultry manure treatment at 0, 250, 500, 750 and 1000g on 4kg soil, polluted with crude -oil (2l) increased the cumulative germination percentag (CGP) and yield components of the plant. Poultry manure treatment at 1OOOg and 750g gave the highest cumulative germination percerntages (CGP) of 83.3 and 75.0% with coefficient of germination velocity (CGV) of 0.075 and 0.069 respectively. Also, there was a significant (P < 0.05) reduction in the leaf abscission with increased poultry manure level. The result findings have proved PM to be potentially suitable for ameliorating oil polluted soil.


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