期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 434, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2022.128875
关键词
Low molecular weight organic acids; Root exudates; Organic pollutants; Soil; Environmental fate
This review aims to introduce the influence of low-molecular weight organic acids on organic pollutants in soil and discuss critical research gaps and future research needs.
Plants exude through the roots different compounds, including, among others, low-molecular weight organic acids (LMWOAs), with a relevant effect on multiple metabolic activities. Numerous studies have revealed their role in improving soil mineral acquisition and tolerance against inorganic pollutants. However, less information is available on how they may alter the fate of organic pollutants in soil, which may cause environmental problems, compromise soil quality and have a detrimental effect on animal and human health. This review intends to cover recent studies (from 2015 onwards) and provide up-to-date information on how LMWOAs influence environmental key processes of organic pollutants in soil, like adsorption/desorption, degradation and transport, without forgetting plant uptake, with obvious environmental and health repercussions. Critical knowledge gaps and future research needs are also discussed, because understanding these processes will help searching effective strategies for pollutant reduction and control in soil.
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