干化污泥对盐碱土土壤性能及植物生长的影响

周金倩; 马建立; 张良运; 商晓甫; 李晓光

doi:10.3969/j.issn.1674-991X.2018.04.058

干化污泥对盐碱土土壤性能及植物生长的影响

doi: 10.3969/j.issn.1674-991X.2018.04.058

^1. 天津环科立嘉环境修复科技有限公司,天津 300191
^2. 天津市环境保护科学研究院,天津 300191

详细信息

作者简介:
周金倩(1987—),女,工程师,硕士,主要从事场地调查、修复及固体废物污染控制与资源化利用技术研究, 727754985@qq.com

中图分类号: X53
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出版历程
- 收稿日期: 2018-03-16
- 刊出日期: 2018-07-20

Effect of dry sludge application on saline-alkali soil property and the growth of plants

^1. Tianjin Huankelijia Environmental Remediation Technology Co. Ltd., Tianjin 300191, China
^2. Tianjin Academy of Environmental Sciences, Tianjin 300191, China

摘要

摘要: 研究了干燥后的污泥对盐碱土土壤理化性质及污染的影响,并在此基础上设置了盆栽试验,以观察不同泥土比中植物的生长情况。结果表明:干化污泥既能为作物生长提供有效养分,又能明显地提高土壤肥力。虽然施用污泥后土壤中的全盐量增加,但对所选取植物的生长影响较小;当泥土配比低于一定的比例时,污泥中的重金属不会对土壤造成污染。因此,在盐碱土壤中严格按照标准并合理控制干化污泥的用量可作为解决污泥问题的途径之一。
- 盐碱土 /
- 干化污泥 /
- 土壤肥力
Abstract: The effect of the dried sludge on the physicochemical properties and pollution of saline-alkali soil was studied. Based on this, a series of pot experiments were set up to observe the growth of plants in different sludge-to-soil proportions. The results showed that the dried sludge can not only provide effective nutrients for crop growth, but also can significantly improve soil fertility. Although the salt content in the soil increased after the application of sludge, it had less effect on plant growth. When the ratio of sludge to soil was lower than a certain value, the heavy metals in the sludge would not pollute the soil. Therefore, it should be one of the important ways for solving the sludge problem to strictly follow the standards and reasonably control the amount of dried sludge in saline soil.
- saline-alkali soil /
- dry sludge /
- soil fertility

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参考文献(15)

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