海岛棉氮高效品种筛选与氮效率综合评价
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段松江, 木丽迪尔·拜波拉提, 彭增莹, 申莹莹, 吴一凡, 付锦程, 郭仁松, 张巨松
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Screening of Nitrogen High-Efficiency Varieties and Comprehensive Evaluation of Nitrogen Efficiency of Sea Island Cotton
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Duan Songjiang, Mulidier∙Baibolati, Peng Zengying, Shen Yingying, Wu Yifan, Fu Jincheng, Guo Rensong, Zhang Jusong
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表5 不同氮肥水平下各因子载荷矩阵
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Table 5 Loading matrices of each factor at different nitrogen fertilizer levels
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指标 Index | N1 | | N2 | PC1 | PC2 | PC3 | PC4 | PC1 | PC2 | PC3 | PC4 | PH | 0.58 | 0.12 | -0.58 | 0.21 | | 0.7 | -0.36 | -0.55 | -0.04 | NFB | 0.51 | 0.67 | 0.14 | -0.11 | | 0.68 | -0.14 | 0.53 | -0.36 | SPAD | 0.17 | 0.18 | 0.67 | 0.13 | | 0.02 | 0.85 | 0.04 | -0.24 | SLB | 0.81 | -0.31 | -0.33 | 0.29 | | 0.88 | -0.08 | -0.45 | 0.12 | ROB | 0.89 | 0.00 | 0.22 | -0.31 | | 0.87 | -0.30 | 0.22 | -0.04 | APB | 0.97 | -0.14 | -0.05 | -0.09 | | 0.95 | -0.22 | -0.08 | 0.03 | SLNA | 0.73 | -0.44 | -0.43 | 0.22 | | 0.83 | 0.22 | -0.37 | 0.25 | RONA | 0.86 | -0.14 | 0.31 | -0.31 | | 0.91 | 0.04 | 0.20 | -0.13 | APNA | 0.93 | -0.34 | -0.04 | -0.05 | | 0.97 | 0.15 | -0.10 | 0.05 | BNP | 0.71 | 0.55 | 0.08 | 0.00 | | 0.67 | 0.14 | 0.33 | 0.58 | BW | 0.59 | -0.27 | -0.39 | 0.11 | | 0.14 | 0.60 | -0.32 | -0.64 | LP | -0.08 | -0.18 | 0.87 | 0.05 | | -0.72 | 0.09 | 0.20 | 0.39 | SCY | 0.83 | 0.52 | 0.02 | -0.02 | | 0.81 | 0.54 | 0.11 | 0.07 | LCY | 0.81 | 0.50 | 0.18 | 0.00 | | 0.61 | 0.69 | 0.21 | 0.27 | aNUE | 0.19 | 0.05 | 0.52 | 0.76 | | -0.53 | 0.46 | 0.23 | -0.14 | NPFP | 0.83 | 0.52 | 0.02 | -0.02 | | 0.81 | 0.54 | 0.11 | 0.07 | NRE | 0.53 | -0.47 | 0.63 | 0.23 | | 0.55 | -0.33 | 0.68 | -0.21 | pNUE | -0.16 | 0.76 | -0.49 | 0.30 | | -0.61 | 0.48 | -0.23 | 0.14 | iNUE | -0.57 | 0.76 | 0.16 | 0.06 | | -0.90 | 0.20 | 0.23 | 0.14 | 特征值Eigenvalue | 8.71 | 3.49 | 3.12 | 1.15 | | 10.26 | 3.12 | 1.97 | 1.37 | 贡献率Contribution rate (%) | 45.82 | 18.39 | 16.43 | 6.03 | | 54.00 | 16.44 | 10.36 | 7.22 | 累计贡献率Cumulative contribution rate (%) | 45.82 | 64.22 | 80.65 | 86.68 | | 54.00 | 70.45 | 80.81 | 88.03 |
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