气候变化下辽西北春玉米生育期需水量研究
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曹永强, 李维佳, 赵博雅
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Water requirements of spring maize in Northwest Liaoning Province under climate change
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Yongqiang CAO, Weijia LI, Boya ZHAO
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表2 成分矩阵 |
Table 2 Component matrix |
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指标项 | 成份 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 降水量 | -0.221 | 0.774 | 0.488 | -0.323 | 0.089 | -0.040 | -0.004 | 平均风速 | -0.797 | -0.367 | 0.187 | 0.257 | 0.357 | 0.042 | 0.008 | 平均气温 | 0.961 | -0.151 | 0.181 | 0.075 | 0.073 | 0.069 | -0.073 | 平均相对湿度 | -0.123 | 0.832 | 0.115 | 0.509 | -0.141 | -0.008 | -0.003 | 高程 | -0.264 | -0.368 | 0.234 | 0.314 | 0.497 | -0.380 | -0.241 | 日照时数 | -0.385 | -0.755 | 0.449 | 0.028 | -0.279 | 0.030 | 0.006 | 日最高气温 | 0.890 | -0.343 | 0.166 | 0.141 | 0.078 | -0.191 | 0.022 | 日最低气温 | 0.968 | 0.146 | 0.127 | 0.010 | 0.041 | 0.144 | 0.059 |
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