宁夏石嘴山地区富硒土壤及其利用前景
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王志强, 杨建锋, 石天池
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A preliminary study of Se-rich soil in the Shizuishan area, Ningxia and its potential for application
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WANG Zhi-Qiang, YANG Jian-Feng, SHI Tian-Chi
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表4 石嘴山地区主要农作物及其根系土Se分布特征对比
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Table 4 Se distribution of main plant foods and its cultivated soil in the Shizuishan areas
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作物 | 土壤Se | 土壤Se均值 | 土壤有效Se | 有效Se均值 | 有效度/% | 作物Se | 作物Se均值 | Se生物 富集系数 | 富硒作物 样占比/% | 玉米(40) | 0.12~0.31 | 0.252 | 0.0024~0.0268 | 0.0140 | 5.56 | 0.013~0.041 | 0.0225 | 0.089 | 2.50 | 小麦(30) | 0.10~0.48 | 0.261 | 0.0042~0.0178 | 0.0116 | 4.44 | 0.011~0.167 | 0.0453 | 0.174 | 33.33 | 稻籽(30) | 0.10~0.28 | 0.182 | 0.0045~0.0221 | 0.0127 | 6.98 | 0.011~0.076 | 0.0288 | 0.158 | 13.33 | 葡萄(20) | 0.17~0.42 | 0.272 | 0.0029~0.0196 | 0.0113 | 4.15 | 0.009~0.021 | 0.0152 | 0.056 | 40.00 | 枸杞(15) | 0.17~0.48 | 0.289 | 0.0072~0.0261 | 0.0158 | 5.47 | 0.013~0.024 | 0.0160 | 0.055 | 40.00 | 苜蓿(15) | 0.19~0.72 | 0.370 | 0.0053~0.0245 | 0.0136 | 3.68 | 0.010~0.024 | 0.0163 | 0.044 | 66.67 | 芹菜(15) | 0.22~0.34 | 0.263 | 0.0099~0.0171 | 0.0129 | 4.91 | 0.014~0.040 | 0.0213 | 0.081 | 46.67 | 西红柿(15) | 0.21~0.76 | 0.405 | 0.0019~0.0254 | 0.0116 | 2.86 | 0.008~0.020 | 0.0105 | 0.026 | 26.67 | 芥蓝(15) | 0.08~0.41 | 0.246 | 0.0043~0.0275 | 0.0109 | 4.43 | 0.009~0.032 | 0.0180 | 0.073 | 33.33 | 韭葱(15) | 0.18~0.28 | 0.254 | 0.0088~0.0212 | 0.0131 | 5.16 | 0.013~0.029 | 0.0181 | 0.071 | 46.67 |
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