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当前位置: 首页 > 文章 > 牡蛎壳粉对水稻产量和土壤重金属钝化的影响 中国稻米 2016 (3) 30-33
Position: Home > Articles > Effects of Oyster Shell Powder on Rice Yield and Heavy Metal Stabilization in Paddy Soil China Rice 2016 (3) 30-33

牡蛎壳粉对水稻产量和土壤重金属钝化的影响

作  者：
罗华汉;柳开;余跑兰;谭武贵;陈燕
单  位：
江西核工业环境保护中心;江西省红壤研究所/国家红壤改良工程技术研究中心/农业部江西耕地保育科学观测实验站;上饶市农业局
关键词：
牡蛎壳粉;水稻;土壤酸化;重金属
摘  要：
为探讨新型土壤调理剂牡蛎壳粉对水稻产量及其对土壤酸化改良和重金属钝化的效果,设置4种牡蛎壳粉用量的田间试验,分析了不同用量下水稻产量、土壤p H值、交换性氢和交换性铝的含量,以及土壤Cd、Pb全量和有效态的变化。结果表明,施用牡蛎壳粉的处理水稻产量为7 420.65~7 941.60 kg/hm2,比对照(不施)增产14.8%~22.9%;与对照相比,牡蛎壳粉将土壤pH值提高了0.18~0.33个单位(4.0%~7.3%),并使土壤交换性氢和交换性铝分别降低了19.6%~69.2%和34.7%~93.9%,土壤有效Cd下降了40.2%~49.0%,有效Pb下降了29.9%~44.7%。可见,使用牡蛎壳粉可以同时实现提高水稻单产、改良土壤酸化和阻控重金属活性的目标。
译  名：
Effects of Oyster Shell Powder on Rice Yield and Heavy Metal Stabilization in Paddy Soil
作  者：
LUO Huahan;LIU Kailou;YU Paolan;TAN Wugui;CHEN Yan;LEI Yuanyuan;Agriculture Bureau of Shangrao City;Jiangxi Institute of Red Soil, National Engineering and Technology Research Center for Red Soil Improvement/Scientific Observational and Experimental Station of Arable Land Conservation in Jiangxi, Ministry of Agriculture;Key Laboratory of Plant Nutrition and Bio-fertilizer, Ministry of Agriculture/Hunan Taigu Biotechnology Co.,Ltd.;
关键词：
oyster shell powder;;rice yield;;soil acidification;;heavy metals
摘  要：
In order to investigate the effects of a new soil conditioner oyster shell powder on rice yield, soil acidification improvement and availability of heavy metals in paddy soil, the grain yield, soil p H, exchangeable hydrogen and aluminum, concentrations of soil total and available Cd, Pb contents were analyzed after the application of oyster shell powder with four addition rates in 2014. The re-sults showed that the grain yield and soil p H were increased by 14.8%~22.9% and 0.18~0.33 units(4.0%~7.3%)after application of soil conditioner compared with the control. Moreover, the soil exchangeable hydrogen and aluminum were decreased by 19.6%~69.2%and 34.7%~93.9%, the soil available Cd and Pb contents were significantly decreased by 40.2%~49.0% and 29.9%~44.7% compared with the control. Therefore, oyster shell powder could increase the rice yield, improve soil acidification and reduce activity of heavy metals.

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