鲁南地区夏玉米产量对气象因子的响应
吴荣华,庄克章,刘鹏,张春艳

Response of Summer Maize Yield to Meteorological Factors in Lunan Region
Ronghua Wu,Kezhang Zhuang,Peng Liu,Chunyan Zhang
表7 气象因子与夏玉米产量及其构成因素的相关性分析
Table 7 Correlation coefficients between meteorological factors and summer maize yields and yield components
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