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Updated: Oct 30, 2025

Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites
Published on: November 28, 2014
[Ecological remediation of earthworms on soil-plant system: A review]
Bing-Lei Wang1, Chong Wang1, Meng-Li Liu1
1Beijing Key Laboratory of Biodiversity and Organic Agriculture/College of Resources and Environment, China Agricultural University, Beijing 100193, China.
Abstract:
Soil-plant system is the basic structural unit of the biosphere, with close mutual feedback between soil and plants. The degradation of soil exerts various abiotic stresses to plants, disturbs the physiological metabolism of plants, and inhibits nutrient acquisition. Earthworms are known as "ecosystem engineers", which can regulate soil physical-chemical-biological characteristics, improve the quality of the degraded soil (saline soil, heavy metals and organic pollutants contaminated soil), alleviate plants under stress, increase soil nutrient availability, promote plant growth. Furthermore, through the secretion of signal substances, earthworms could improve the resistance of plants. The ecological remediation effects of earthworms on soil-plant system are of great significance for improving environment of plant growth and maintaining the health and stability of soil.
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