卫星遥感估产技术在大豆区域收入保险中的应用
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陈爱莲, 李家裕, 张圣军, 朱玉霞, 赵思健, 孙伟, 张峭
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Application of Satellite Remote Sensing Yield Estimation Technology in Regional Revenue Protection Crop Insurance: A Case of Soybean
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Ailian CHEN, Jiayu LI, Shengjun ZHANG, Yuxia ZHU, Sijian ZHAO, Wei SUN, Qiao ZHANG
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表4 大豆多元线性估产模型摘要
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Table 4 Summary of soybeans yield linear models
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| 模型序号 | 模型 | R2 | 标准误 | F | 输入变量 | 标准化系数 | 变量显著性 |
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| 1 | Y=-282.356+547.583×0823NDVI (7) | 0.415** | 47.554 | 50.379 | (常量) | | 0.000 | | 0823NDVI | 0.644 | 0.000 | | 2 | Y=-171.365+313.127×0823NDVI+35.154×0907LAI (8) | 0.464** | 45.824 | 30.359 | (常量) | | 0.025 | | 0823NDVI | 0.386 | 0.010 | | 0907LAI | 0.354 | 0.013 | | 3 | Y=-187.199+289.032×0823NDVI+30.816×0907LAI+957.102×0823Cw-12.239×NDVI(1002-0823) (9) | 0.471** | 46.210 | 15.136 | (常量) | | 0.051 | | 0823NDVI | 0.340 | 0.049 | | 0907LAI | 0.311 | 0.042 | | 0823Cw | 0.093 | 0.388 | | NDVI(1002-0823) | -0.025 | 0.845 | | 4 | Y=2025.482+323.644×0823NDVI+33.527×0907LAI+22.704×K_MOD11_10+8.307×K_MOD11_14-16.884×TRMM091+0.923×K_MOD11_23 (10) | 0.482** | 46.407 | 10.242 | (常量) | | 0.640 | | 0823NDVI | 0.381 | 0.018 | | 0907LAI | 0.338 | 0.022 | | K_MOD11_10 | 0.106 | 0.348 | | K_MOD11_14 | -0.196 | 0.208 | | TRMM091 | 0.163 | 0.207 | | K_MOD11_23 | 0.013 | 0.902 | | 5 | Y=-285.649+509.074×0823NDVI+4.999×0907LAI+1349.340×0823Cw-95.854×NDVI(1002-0823)-309.911×NDVI(0823-0624)+231.163×0922FAPAR (11) | 0.520** | 44.684 | 11.912 | (常量) | | 0.005 | | 0823NDVI | 0.599 | 0.007 | | 0907LAI | 0.050 | 0.789 | | 0823Cw | 0.131 | 0.219 | | NDVI(1002-0823) | -0.196 | 0.176 | | NDVI(0823-0624) | -0.428 | 0.025 | | 0922FAPAR | 0.320 | 0.036 |
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