浙江农业科学 ›› 2026, Vol. 67 ›› Issue (9): 2328-2333.DOI: 10.16178/j.issn.0528-9017.20250207

• 资源与环境 • 上一篇    下一篇

土壤调理剂调控稻田土壤酸化和镉活性的田间对比试验研究

胡敏骏1(), 倪凯伦2, 张海娟1, 邵赛男1, 董代幸1, 孟庆玖1, 周成云1, 孟俊3, 崔中华3, 徐君1()   

  1. 1.杭州市富阳区农业技术推广中心,浙江 杭州 311400
    2.杭州市富阳区农业林业资源保护中心,浙江 杭州 311400
    3.浙江科技大学 环境与资源学院,浙江 杭州 310058
  • 收稿日期:2025-03-21 出版日期:2026-09-11 发布日期:2026-09-24
  • 通讯作者: 徐君
  • 作者简介:徐君,E-mail:15292165@qq.com。
    胡敏骏,研究方向为土壤肥料。E-mail:33104263@qq.com。
  • 基金资助:
    农业农村部酸化耕地治理重点县项目(ZJAC2023-20);国家重点研发计划项目(2022YFE0196000)

Field study on the regulation of paddy soil acidification and cadmium bioavailability by soil amendments

HU Minjun1(), NI Kailun2, ZHANG Haijuan1, SHAO Sainan1, DONG Daixing1, MENG Qingjiu1, ZHOU Chengyun1, MENG Jun3, CUI Zhonghua3, XU Jun1()   

  1. 1.Agricultural Technology Extension Center of Fuyang District,Hangzhou 311400,Zhejiang
    2.Fuyang District Agricultural and Forestry Resources Protection Center,Hangzhou 311400,Zhejiang
    3.School of Environment and Natural Resources,Zhejiang University of Science and Technology,Hangzhou 310058,Zhejiang
  • Received:2025-03-21 Online:2026-09-11 Published:2026-09-24
  • Contact: XU Jun

摘要:

土壤酸化加剧镉活化和迁移,威胁水稻安全生产。本研究在浙江某镉污染稻田开展试验,探究硅钙镁钾、宁粮生物、丰收延、特贝钙和石灰等5种土壤调理剂对酸化土壤的改良效应及镉活性调控效果。结果表明,除硅钙镁钾外,其余调理剂均显著(p<0.05)提高了土壤pH值(0.50~1.28),降低了交换性总酸含量(降幅为74.68%~100.00%),其中,丰收延的效果最佳。此外,各调理剂均显著降低了土壤有效态镉和糙米镉含量,降幅为15.22%~58.94%和17.04%~46.09%,其中,宁粮生物的效果最优。综上,丰收延与宁粮生物在改良土壤酸化、降低镉有效性方面表现优异,可联合使用。本研究为酸性镉污染稻田修复提供了依据。

关键词: 土壤酸化, 镉活性, 土壤调理剂, 田间试验, 糙米镉累积

Abstract:

Soil acidification exacerbates cadmium(Cd)activation and migration,posing a threat to the safe production of rice. This study conducted a field experiment in a Cd-contaminated paddy field in Zhejiang,China,to investigate the effects of five soil amendments:silicon-calcium-magnesium-potassium(SCMP),Ningliang shengwu,Fengshouyan,Tebei calcium,and lime,on ameliorating soil acidification and regulating Cd bioavailability. The results demonstrated that,except for SCMP,all other amendments significantly(p<0.05) increased soil pH value(from 0.50 to 1.28 )and reduced the total exchangeable acid content by 74.68%-100.00%,with Fengshouyan showing the most pronounced effect. Additionally,all amendments significantly decreased bioavailable Cd content in soil and the Cd content in brown rice by 15.22%-58.94% and 17.04%-46.09%,respectively,among which Ningliang shengwu exhibited the optimal efficacy. In summary,Fengshouyan and Ningliang shengwu demonstrated superior performance in improving acidic soil and reducing Cd bioavailability,and their combined application was recommended. This study provided a scientific basis for the remediation of Cd-contaminated acidic paddy fields.

Key words: soil acidification, cadmium bioavailability, soil amendment, field experiment, brown rice cadmium accumulation

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