VIP控制技术降低稻米镉含量试验

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英文篇名：Experiment on Reducing Rice Cadmium Content Using VIP Control Technology 作者：谭静远 ; 李柏生 ; 冯伟 ; 谭民权 ; 高云华 ; 尹建平 ; 阳寅 英文作者：TAN Jingyuan;LI Baisheng;FENG Wei;TAN Minquan;GAO Yunhua;YIN Jianping;YANG Yin;Hengdong County Agricultural Bureau;South China Agricultural University;Agricultural Technology Comprehensive Service Station of Dapu Town Hengdong County; 关键词：镉污染 ; 稻田 ; VIP控制技术 ; 降低 ; 稻米镉 英文关键词：cadmium pollution;;paddy fields;;VIP control technology;;reduce;;cadmium in rice 中文刊名：农业工程 英文刊名：Agricultural Engineering 机构：衡东县农业局;华南农业大学;衡东县大浦镇农业技术综合服务站; 出版日期：2019-06-20 出版单位：农业工程 年：2019 期：06 基金：2018年农业资源与环境保护:受污染耕地安全试点项目(项目编号:湘财农指【2018】15号) 语种：中文; 页：129-131 页数：3 CN：11-6025/S ISSN：2095-1795 分类号：X56

摘要

为探明镉污染稻田农艺措施修复和降低稻米镉含量的效果,开展了镉污染VIP控制技术小区试验,对试验区域水稻产量、土壤p H值、土壤和稻米镉含量进行比较分析。结果表明:通过VIP控制技术,水稻产量有不同程度的增减,土壤p H值显著增加18. 18%～21. 18%,土壤镉含量减少0. 033～0. 041 mg/kg,稻米镉含量显著降低,降幅在43. 7%～64. 1%。"低镉品种+优化水分管理+施用生石灰"控镉技术为降低重金属镉污染稻田稻米镉含量的最佳推广模式,经济、实用、环保又有效。
        In order to find out effects of agronomy measures to repair and reduce rice cadmium content in fields contaminated with cadmium,experiment of VIP control technology was carried out. Comparative analysis of rice yield,soil p H,soil and rice cadmium content were conducted. Results showed that VIP control technology increased rice yield by different degrees,soil p H increased by 18. 18% ～ 21. 18%,soil cadmium content decreased by 0. 033 ～ 0. 041 mg/kg,cadmium content of rice decreased significantly,drop in 43. 7% ～ 64. 1%. Cadmium control technology of "low-cadmium varieties + optimized water management+ application of quicklime" was the best promotion model to reduce rice cadmium content in fields contaminated with cadmium.It was economical,practical,environmentally friendly and effective.

引文

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