XU Min,WEI Qingcui,YANG Chao,et al.Research Progress on Improvement of Sandy Soil by Municipal Sludge[J].HEILONGJIANG AGRICULTURAL SCIENCES,2023,(01):124-128.[doi:10.11942/j.issn1002-2767.2023.01.0124]
城市污泥改善沙质化土壤的研究进展
- Title:
- Research Progress on Improvement of Sandy Soil by Municipal Sludge
- 文献标志码:
- A
- 摘要:
- 城市污泥可以改善沙质化土壤结构,提高沙质化土壤理化性质。针对目前土壤沙化和荒漠化的生态问题,结合城市污泥有机质含量、微生物含量高等特性,本文概述了目前城市污泥改良沙质化土壤的研究现状,其对土壤理化性质、微生物活性的影响,以及采用城市污泥进行沙质化土壤修复对种植植物的影响和对生态环境的潜在风险。并对今后开展城市污泥改善沙质化土壤的研究进行展望,以利于更好地促进城市污泥堆肥在沙质化等贫瘠土壤中的应用,实现城市污泥资源化利用的同时还可促进沙化土壤生态可持续发展。城市污泥含有丰富的有机质、微生物等养分同时也富含重金属等有害成分,利用其改良沙质化土壤时,如何选择城市污泥衍生物、如何确定施入量、施入时间等城市污泥施用的相关安全性研究可能会成为未来研究的重点。
- Abstract:
- Municipal sludge can improve the structure of sandy soil and improve the physical and chemical properties of sandy soil. In view of the current ecological problems of soil desertification and desertification, combined with the characteristics of high organic matter content and high microbial content of municipal sludge, this paper summarized the current research status of municipal sludge to improve sandy soil, its influence on soil physical and chemical properties and microbial activity, as well as the use of municipal sludge to repair sandy soil. The impact on planting plants and the potential risks to the ecological environment, and the prospect of future research on municipal sludge to improve sandy soil, in order to better promote the application of municipal sludge compost in sandy and other barren soils. The realization of urban sludge resource utilization can also promote the sustainable development of desertified soil ecology. Municipal sludge is rich in nutrients such as organic matter and microorganisms, and it is also rich in harmful components such as heavy metals. When using it to improve sandy soil, how to select municipal sludge derivatives, how to determine the application amount, application time and other related safety studies of municipal sludge application may become the focus of future research.Aiming at the current ecological problems of soil desertification and desertification, combined with the characteristics of high organic matter content and microbial content of urban sludge, this paper reviews the current research status of soil improvement by urban sludge, the influence of urban sludge on the restoration of sandy soil and the potential risks of planting plants. In order to better promote the application of sludge compost in sandy soil and other barren soil, promote the sustainable development of soil ecology.
参考文献/References:
[1]黄殿男,谭杰,傅金祥,等.城市污水处理厂污泥对沙漠化土壤的改良效果[J].水土保持学报,2017,31(1):323-327.
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备注/Memo
收稿日期:2022-10-17