安徽农业科学2024，Vol.52Issue(22)：75-78,4.DOI:10.3969/j.issn.0517-6611.2024.22.014
土壤改良剂对镉污染稻田的治理稳定性研究
Study on the Stability of Soil Amendments in the Treatment of Cadmium-contaminated Rice Fields
吴支行 1朱迎婷 2龚亚龙 3李世杰 3宋安康 3高晓梅3
作者信息
- 1. 芜湖市农业综合行政执法支队,安徽芜湖 241200
- 2. 芜湖市农业技术中心,安徽芜湖 241200
- 3. 招商局生态环保科技有限公司,重庆 400000
- 折叠
摘要
Abstract
To verify the stability of the treatment effect of soil amendment on cadmium-contaminated paddy field under field environment,this study carried out in situ passivation test for three consecutive years.The results showed that soil acidification was significantly improved in the year of soil amendment application,and the soil pH was increased from 5.64 to 7.13;the effective cadmium content in the soil showed a signifi-cant negative correlation with the soil pH;the cadmium content in rice showed a significant positive correlation with the effective cadmium con-tent in the soil,and the maximum reduction was up to 71.48%,and the overall effect of treatment was enhanced with the increase of application amount.In the following two years,the soil pH and effective cadmium content of the treatment groups rebounded,but the cadmium content of rice was still significantly lower than that of the blank control and there was no significant correlation between the reduction and the application rate,in addition,all the treatment groups did not have a significant negative impact on rice yield.It can be seen that the high application rate of soil conditioner can significantly improve the level of soil treatment in the short term,but in the long term,the lower application rate was more conducive to the realization of long-term management of cadmium-contaminated arable land.关键词
土壤改良剂/镉污染稻田/原位钝化/治理/稳定性Key words
Soil amendment/Cadmium-contaminated rice fields/In-situ passivation/Government/Stability分类
农业科技引用本文复制引用
吴支行,朱迎婷,龚亚龙,李世杰,宋安康,高晓梅..土壤改良剂对镉污染稻田的治理稳定性研究[J].安徽农业科学,2024,52(22):75-78,4.
