木醋液对Cd污染石灰性土壤理化性质及Cd形态转化的影响

吴苗苗; 叶佳润; 刘慧; 周孟椋; 刘世亮; 赵颖; 刘芳

doi:10.13870/j.cnki.stbcxb.2022.03.046

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木醋液对Cd污染石灰性土壤理化性质及Cd形态转化的影响

更新时间：2026-04-09

- 木醋液对Cd污染石灰性土壤理化性质及Cd形态转化的影响
- Effects of Wood Vinegar on Soil Physical and Chemical Properties and Cd Speciation Transformation of Cd Contaminated Calcareous Soil
- 水土保持学报 2022年36卷第3期页码：327-332
- 作者机构：
- 作者简介：
  
  [ "吴苗苗(1996-),女,硕士研究生,主要从事土壤重金属污染修复研究。E-mail:18738518582@163.com" ]
- 基金信息：
  
  河南省农业农村厅重点项目(30801910)
- DOI：10.13870/j.cnki.stbcxb.2022.03.046
  中图分类号： X53
- 网络首发：2022-05-27，
  
  纸质出版：2022
- 稿件说明：
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吴苗苗, 叶佳润, 刘慧, 等. 木醋液对Cd污染石灰性土壤理化性质及Cd形态转化的影响[J]. 水土保持学报, 2022,36(3):327-332.

WU Miaomiao, YE Jiarun, LIU Hui, et al. Effects of Wood Vinegar on Soil Physical and Chemical Properties and Cd Speciation Transformation of Cd Contaminated Calcareous Soil[J]. 2022, 36(3): 327-332.
吴苗苗, 叶佳润, 刘慧, 等. 木醋液对Cd污染石灰性土壤理化性质及Cd形态转化的影响[J]. 水土保持学报, 2022,36(3):327-332. DOI： 10.13870/j.cnki.stbcxb.2022.03.046.

WU Miaomiao, YE Jiarun, LIU Hui, et al. Effects of Wood Vinegar on Soil Physical and Chemical Properties and Cd Speciation Transformation of Cd Contaminated Calcareous Soil[J]. 2022, 36(3): 327-332. DOI： 10.13870/j.cnki.stbcxb.2022.03.046.

摘要

为寻找可行的强化Cd污染土壤植物修复的方法

通过室内培养试验

设置7个不同稀释梯度木醋液添加处理

研究木醋液对石灰性重金属污染土壤的理化性质、酶活性和Cd形态的影响。结果表明:随木醋液浓度升高

土壤pH逐渐降低

EC(除原液外)无明显变化。土壤有机质、碱解氮、有效磷和速效钾含量较CK分别增加0.35%~66.64%

9.74%~96.10%

31.71%~56.64%

8.34%~30.87%。稀释10~100倍土壤脲酶、蔗糖酶和过氧化氢酶活性明显增加

而稀释5倍和木醋液原液处理土壤酶活性显著被抑制(P＜0.05)。土壤可交换态Cd含量除稀释5倍处理外较CK均[JP]显著升高(P＜0.05)

增加24.69%~72.40%。各处理Cd的碳酸盐结合态、铁锰氧化物态及有机物结合态含量较CK均升高

分别为6.67%~196.70%

16.24%~80.09%

31.51%~70.32%。Cd残渣态含量与CK相比均显著降低

降幅为45.88%~59.93%(P＜0.05)。综上所述

添加适宜浓度的木醋液可提高土壤养分含量和酶活性

促进残渣态Cd向其他形态转化。

Abstract

In order to find a feasible method to strengthen the phytoremediation of Cd contaminated soil

indoor culture experiments were conducted to study the effect of wood vinegar on the physical and chemical properties

enzyme activities

and Cd forms of calcareous heavy metal contaminated soils. Seven different dilution concentration treatments of wood vinegar were set up

and the soil physical and chemical properties

enzyme activities

Cd forms

and other indicators were measured and analyzed after adding wood vinegar and cultivation. The results showed that soil pH decreased gradually

and EC (except undiluted treatment) did not change significantly with increasing the concentration of wood vinegar. Comparing with CK

the content of soil organic matter

alkali hydrolyzable nitrogen

available phosphorus

and available potassium were increased by 0.35%~66.64%

9.74%~96.10%

31.71%~56.64% and 8.34%~30.87%. The soil enzyme activities (urease

invertase

and catalase activities) were increased significantly in 10-100 times dilution treatments

while soil enzyme activities were significantly inhibited in 5 times dilution and undiluted treatments (P<0.05). Except for the 5 times dilution treatment

the exchangeable Cd content in soil of other treatments was significantly higher than that of CK (P<0.05)

increased by 24.69%~72.40%. Comparing with CK

the content of Cd in the carbonate-bound state

iron-manganese oxide state

and organic matter-bound state in all treatments were significantly increased by 6.67%~196.70%

16.24%~80.09%

31.51%~70.32%

and the residual Cd content was significantly reduced by 45.88~59.93% (P<0.05). In conclusion

adding appropriate concentration of wood vinegar to soil could increase soil nutrient content and enzyme activity

and promote the transformation of residual Cd in soil to other forms.

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