延安市宝塔区土壤养分地球化学评价中的变权效果
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王鹏, 刘拓
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Variational weight effect in the geochemical evaluation of soil nutrients in Baota District of Yan'an City
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Peng WANG, Tuo LIU
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表6 土壤样品评价等级调权变化统计
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Table 6 Statistics on changes in soil sample evaluation grade adjustment
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类别 | 含量 | 规范规 定等级 | 得分 | 常权 | 指数3 | 指数2 | 指数1 | 综合确定 | A=0.8649 | A=0.7044 | A=0.4714 | A=0.8 | N | 2.6174 | 1 | 5 | 0.3 | 0.1087 | 0.1614 | 0.2263 | 0.1321 | P | 0.9025 | 2 | 4 | 0.3 | 0.2472 | 0.2792 | 0.2976 | 0.2638 | K | 2.22 | 2 | 4 | 0.2 | 0.1409 | 0.1676 | 0.1883 | 0.1541 | Corg. | 1.09 | 4 | 2 | 0.2 | 0.5032 | 0.3918 | 0.2878 | 0.45 | 评价得分 | | | | 3.9 | 3.1023 | 3.3778 | 3.6507 | 3.2321 | 评价等级 | | | | 二等 | 三等 | 三等 | 二等 | 三等 |
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