饲用大豆品种耐荫性鉴定指标筛选及综合评价
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宋丽君, 聂晓玉, 何磊磊, 蒯婕, 杨华, 郭安国, 黄俊生, 傅廷栋, 汪波, 周广生
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Screening and comprehensive evaluation of shade tolerance of forage soybean varieties
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SONG Li-Jun, NIE Xiao-Yu, HE Lei-Lei, KUAI Jie, YANG Hua, GUO An-Guo, HUANG Jun-Sheng, FU Ting-Dong, WANG Bo, ZHOU Guang-Sheng
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表5 玉米间作大豆模式下各综合指标的系数及贡献率
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Table 5 Coefficients of comprehensive indexes and proportion under intercropping
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项目 Item | 指标 Index | 主成分Principle factors in 2018 | | 主成分Principle factors in 2019 | CI1 | CI2 | CI3 | CI4 | | CI1 | CI2 | CI3 | CI4 | 特征值Eigen value | | 4.49 | 4.17 | 2.41 | 1.22 | | 4.60 | 3.13 | 1.56 | 1.04 | 贡献率Contribution ratio | | 0.32 | 0.30 | 0.17 | 0.09 | | 0.33 | 0.22 | 0.11 | 0.07 | 累积贡献率Cumulative contribution ratio | 0.32 | 0.62 | 0.79 | 0.88 | | 0.33 | 0.55 | 0.66 | 0.74 | 特征向量Eigen vector | DW | 0.13 | 0.95 | -0.14 | 0.01 | | 0.92 | -0.28 | -0.06 | -0.26 | | PH | -0.73 | -0.25 | -0.41 | -0.45 | | -0.35 | 0.07 | -0.48 | 0.19 | | SD | -0.40 | 0.83 | 0.13 | -0.21 | | 0.89 | -0.02 | 0.18 | -0.21 | | IN | -0.20 | 0.66 | 0.69 | -0.03 | | 0.40 | 0.49 | 0.25 | 0.31 | | BN | 0.55 | 0.00 | 0.26 | -0.07 | | 0.60 | 0.56 | -0.06 | 0.23 | | LA | 0.61 | 0.75 | -0.17 | 0.10 | | 0.81 | -0.23 | -0.16 | 0.00 | | SLW | -0.84 | 0.18 | 0.21 | -0.19 | | -0.23 | -0.37 | 0.92 | 0.06 | | CPY | 0.30 | 0.90 | -0.19 | 0.03 | | 0.76 | 0.49 | 0.15 | -0.12 | | CPC | 0.92 | 0.29 | -0.23 | 0.00 | | -0.11 | 0.89 | 0.22 | 0.11 | | SNC | -0.33 | -0.16 | -0.39 | 0.86 | | 0.16 | -0.36 | 0.45 | 0.34 | | LNC | 0.86 | -0.30 | -0.10 | -0.20 | | 0.25 | 0.82 | -0.05 | 0.18 | | PNC | 0.29 | -0.16 | 0.95 | 0.09 | | -0.57 | 0.48 | 0.27 | -0.25 | | LSP | 0.07 | -0.28 | 0.65 | 0.25 | | 0.08 | 0.29 | 0.12 | -0.68 | | LSS | -0.69 | 0.62 | 0.06 | 0.28 | | 0.76 | -0.40 | -0.01 | 0.22 |
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