恩施地区土壤与农作物硒镉地球化学特征
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唐世琪, 万能, 曾明中, 杨柯, 刘飞, 彭敏, 李括, 杨峥
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Geochemical characteristics of selenium and cadmium in soil and crops in Enshi area
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Shi-Qi TANG, Neng WAN, Ming-Zhong ZENG, Ke YANG, Fei LIU, Min PENG, Kuo LI, Zheng YANG
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表3 不同作物中硒、镉元素含量特征
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Table 3 Table of characteristics of selenium and cadmium in different crops
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作物类别 | 样品数 | 平均值/10-6 | 含量范围/10-6 | Se | Cd | w(Se)/w(Cd) | Se | Cd | 早稻 | 18 | 0.078 | 0.236 | 0.331 | 0.028~0.156 | 0.005~0.826 | 玉米 | 120 | 0.475 | 0.156 | 3.045 | 0.018~7.421 | 0.002~2.644 | 红薯 | 38 | 0.020 | 0.056 | 0.357 | 0.002~0.084 | 0.002~0.645 | 辣椒 | 60 | 0.542 | 0.992 | 0.546 | 0.020~6.683 | 0.129~4.954 | 土豆 | 70 | 0.020 | 0.037 | 0.541 | 0.002~0.284 | 0.000~0.142 | 大蒜 | 20 | 0.066 | 0.449 | 0.147 | 0.034~0.272 | 0.059~2.501 | 茶叶 | 16 | 0.091 | 0.032 | 2.844 | 0.044~0.202 | 0.013~0.075 | 银杏 | 20 | 0.698 | 0.012 | 58.167 | 0.020~12.670 | 0.006~0.025 |
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