Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Soil Pollution

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_2295

The harmful and toxic substances generated by human activities can enter the soil and accumulate to concentrations that exceed the self-purification capacity of the soil itself, resulting in deteriorations of soil properties, changes in the physiological function of plants, and negative effects on humans. The main sources of soil pollution are industrial and municipal wastewater and solid waste. In addition, atmospheric pollutants, including pesticides, fertilizers, livestock excreta and wastes, can be deposited on the ground through sedimentation and precipitation. The pollutants that crops absorb and take in from the soil can cause direct harm to human health through the food chain.

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