Researchers at Wuhan University in China discovered that adding chicken manure to soil contaminated with crude oil triggered degradation of 75% of the oil within two weeks.
The report, published in the International Journal of Environment and Pollution, suggests that animal waste, particularly chicken manure, can provide the necessary microbial and chemical initiators to facilitate the biodegradation of crude oil when applied to contaminated soil. Chicken manure raises the pH of soil to the optimal range of 6.3 to 7.4 for the growth of the oil-utilizing bacteria.
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