| 土壤施硒对茶树叶片硒及矿质元素含量的影响 |
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| 引用本文： | 秦玉燕,王运儒,时鹏涛,甘志勇,李鸿,蒋越华,梁宏合,罗清.土壤施硒对茶树叶片硒及矿质元素含量的影响[J].土壤通报,2019(2):387-394. |
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| 作者姓名： | 秦玉燕 王运儒 时鹏涛 甘志勇 李鸿 蒋越华 梁宏合 罗清 |
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| 作者单位： | 广西壮族自治区亚热带作物研究所;农业部农产品质量安全风险评估实验室 |
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| 基金项目： | 广西科技基地和人才专项(桂科AD17129008);广西青年科学基金(2018GXNSFBA281171)资助 |
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| 摘 要： | 以茶树为试材,亚硒酸钠和硒酸钠为硒源,采用土壤沟施的方式,进行田间试验,研究茶树叶片总硒、有机硒及K、Ca、Mg、Zn、Fe含量变化规律。结果表明,土壤施硒可显著提高叶片总硒和有机硒含量,叶片总硒含量随着施肥浓度增加显著升高,随着采样时间延长,先升高后降低,在施肥后5个月达到最大值。茶树对Se(VI)的吸收和转运能力远高于Se(IV),硒酸钠处理叶片总硒含量是亚硒酸钠处理的10.4~25.3倍。茶树吸收无机硒后大部分都转化为较为安全的有机硒,有机硒占总硒比例为91.6%~96.2%。土施不同浓度硒肥,叶片K、Ca、Mg、Zn、Fe含量呈现出波动式升降变化的特点,施硒显著提高嫩叶Zn含量,并显著降低老叶Ca、Fe含量,对叶片K、Mg含量无显著影响。
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| 关 键 词： | 硒 茶树 有机硒 矿质元素 |
Effects of Selenium Application on the Concentrations of Selenium and Mineral Elements in the Leaves of Tea Plant |
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| QIN Yu-yan,WANG Yun-ru,SHI Peng-tao,GAN Zhi-yong,LI Hong,JIANG Yue-hua,LIANG Hong-he,LUO Qing.Effects of Selenium Application on the Concentrations of Selenium and Mineral Elements in the Leaves of Tea Plant[J].Chinese Journal of Soil Science,2019(2):387-394. |
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| Authors: | QIN Yu-yan WANG Yun-ru SHI Peng-tao GAN Zhi-yong LI Hong JIANG Yue-hua LIANG Hong-he LUO Qing |
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| Institution: | (Subtropical Crops Research Institute of Guangxi Zhuang A utonomous Region, Nanning 530001, China;Laboratory of Quality and Safety Risk Assessment for Agricultural Product (Nanning), Ministry of Agriculture, Nanning 530001, China) |
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| Abstract: | QIN Yu-yan;WANG Yun-ru;SHI Peng-tao;GAN Zhi-yong;LI Hong;JIANG Yue-hua;LIANG Hong-he;LUO Qing(Subtropical Crops Research Institute of Guangxi Zhuang A utonomous Region, Nanning 530001, China;Laboratory of Quality and Safety Risk Assessment for Agricultural Product (Nanning), Ministry of Agriculture, Nanning 530001, China) |
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| Keywords: | Selenium Tea plant Organic selenium Mineral element |
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