专论与研究

综合降镉(VIP)技术对降低糙米镉含量的影响研究

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  • 1湖南农业大学农学院,长沙 410128;2湖南省农业资源与环境保护管理站,长沙 410005

网络出版日期: 2016-01-20

Effects of VIP Technology on Reducing Cadmium Content in Rice

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Online published: 2016-01-20

摘要

以镉低积累型水稻品种湘晚籼12号为试验材料,采用随机区组设计,于2013年在长沙、衡南、湘潭和湘阴的12个试验点,比较了以VIP技术(V,Variety,选用低镉型水稻品种;I,Irrigation,优化水分管理;P,土壤pH值,施用石灰以提高土壤pH值)为主的5种控制技术在不同成土母质和土壤污染程度下的应用效果。结果表明,5种控制技术在各试验点的总效应中,以“VIP+Se”和“VIP+Se+Bi”的处理效果最为明显,其糙米镉含量均为0.15 mg/kg,与对照相比降镉效果显著。

本文引用格式

王蜜安1,尹丽辉2,彭建祥1,聂凌利1,李翊君1,何杰1,张文1,敖和军1* . 综合降镉(VIP)技术对降低糙米镉含量的影响研究[J]. 中国稻米, 2016 , 22(1) : 43 -47 . DOI: 10.3969/j.issn.1006-8082.2016.01.010

Abstract

The cadmium pollution of rice become increasingly serious, which caused enormous threats to human health and agricultural production. In order to find an effective way to control the cadmium content in rice, to meet the national safety levels and to provide a theoretical basis for the subsequent test, this study took the low-cadmium accumulation rice Xiangwanxian 12 as the experimental material by applying the randomized blocks design to explore and compare with five control technologies including VIP [low cadmium species(variety) + reasonable irrigation (irrigation)+ adjust the acidity (pH)] and 12 test points that have different soil parent materials and extent of soil contamination. The result showed that the effect of “VIP + Se” and “VIP + Se + Bi” treatment were better than other treatments, and the effects of cadmium reduction were significant compared with the control.

参考文献

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