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Comparative Study
. 2007 Jul;84(2):134-40.
doi: 10.1016/j.jenvman.2006.05.015. Epub 2006 Sep 20.

Polyphenols dynamics and phytotoxicity in a soil amended by olive mill wastewaters

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Comparative Study

Polyphenols dynamics and phytotoxicity in a soil amended by olive mill wastewaters

Ali Mekki et al. J Environ Manage. 2007 Jul.

Abstract

The effects of unprocessed olive mill wastewaters (OMW) on soil characteristics were investigated. Phenolic compounds levels in the treated soil were compared to those of a control soil profile. Results showed that OMW infiltration caused a modification of soil physicochemical characteristics. Phenolic compounds were detected at a depth of 1.2m four months after the last application of OMW. A moderate phytotoxic residual phenolic fraction (F) was extracted from the superficial soil layer 1 year after the OMW application. This residual F had a phytotoxic potential comparable to that of 25-fold diluted OMW.

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