鲁南地区夏玉米产量对气象因子的响应
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吴荣华,庄克章,刘鹏,张春艳
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Response of Summer Maize Yield to Meteorological Factors in Lunan Region
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Ronghua Wu,Kezhang Zhuang,Peng Liu,Chunyan Zhang
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表7 气象因子与夏玉米产量及其构成因素的相关性分析
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Table 7 Correlation coefficients between meteorological factors and summer maize yields and yield components
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品种类型Type of maize | 项目 Item | 有效积温 GDD | 日均温 ADT | 平均土壤 温度AST | 日照时数 DLH | 降水量 AR | 气温日较差 ADTD | 早熟品种Precocious variety | 产量Yield | 0.985* | 0.989* | 0.981* | 0.963* | -0.668 | 0.929 | | 百粒重100-grain weight | 0.959* | 0.948 | 0.960* | 0.985* | -0.775 | 0.997** | | 穗粒数Grain number | 0.861 | 0.842 | 0.861 | 0.916 | -0.839 | 0.954* | 中熟品种Medium Variety | 产量Yield | 0.950* | 0.949 | 0.975* | 0.958* | -0.800 | 0.931 | | 百粒重100-grain weight | 0.976* | 0.960* | 0.990* | 0.985* | -0.808 | 0.968* | | 穗粒数Grain number | 0.615 | 0.702 | 0.593 | 0.562 | -0.895 | 0.574 |
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