豆饼联合海泡石对水稻镉积累的影响
第一作者：286083327@qq.com
收稿日期: 2022-10-11
网络出版日期: 2023-05-23
基金资助
国家自然科学基金(41472034);江苏省自然科学基金面上项目(SBK20191444)
Effect of Soybean Cake Combined with Sepiolite on Cadmium Accumulation in Rice
1st author: 286083327@qq.com
Received date: 2022-10-11
Online published: 2023-05-23
丁付革, 袁大英, 张红军, 潘绪华, 朱靖, 徐轶群 . 豆饼联合海泡石对水稻镉积累的影响[J]. 中国稻米, 2023 , 29(3) : 88 -92 . DOI: 10.3969/j.issn.1006-8082.2023.03.017
A pot experiment was conducted to study the effects of sepiolite, soybean cake and their combined application on the physical and chemical properties of rice soil, the existing forms of cadmium in soil and the accumulation uptake of Cd in various parts of rice. The results showed that sepiolite, soybean cake and the combined application all increased soil pH, EC value and CEC value, the soil pH of the soybean cake treatment and its combined with sepiolite treatment was smaller than that of the sepiolite treatment. Compared with the control, the soil organic matter content of soybean cake treatment was significantly increased. Compared with the control, all treatment reduced the content of DTPA-Cd in soil, all caused soil exchangeable Cd to reducible Cd, oxidizable Cd and residual Cd conversion, and all reduced Cd content in rice roots, stems, leaves and unpolished grain.
Key words： rice; soybean cake; sepiolite; soil; cadmium morphology; cadmium accumulation
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