Volume 8 Issue 4
Jul.  2018
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Article Navigation >  Journal of Environmental Engineering Technology  > 2018  >  8(4): 443-448
ZHOU Jinqian, MA Jianli, ZHANG Liangyun, SHANG Xiaofu, LI Xiaoguang. Effect of dry sludge application on saline-alkali soil property and the growth of plants[J]. Journal of Environmental Engineering Technology, 2018, 8(4): 443-448. doi: 10.3969/j.issn.1674-991X.2018.04.058
Citation: ZHOU Jinqian, MA Jianli, ZHANG Liangyun, SHANG Xiaofu, LI Xiaoguang. Effect of dry sludge application on saline-alkali soil property and the growth of plants[J]. Journal of Environmental Engineering Technology, 2018, 8(4): 443-448. doi: 10.3969/j.issn.1674-991X.2018.04.058
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Effect of dry sludge application on saline-alkali soil property and the growth of plants

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

  • 1. Tianjin Huankelijia Environmental Remediation Technology Co. Ltd., Tianjin 300191, China

  • 2. Tianjin Academy of Environmental Sciences, Tianjin 300191, China

  • Received Date: 2018-03-16
  • Publish Date: 2018-07-20
    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.

     

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