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5 夏玉米产量与气象因子的关联系数

Table 5 Correlation coefficient between meteorological factors and summer maize yields

品种类型Type of maize 播期Sowing date 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 K1 0.753 0.570 0.598 0.787 0.396 0.699 Precocious variety K2 0.702 0.618 0.628 0.642 0.622 0.592 K3 1.000 0.860 0.893 0.975 0.883 0.916 K4 0.571 0.452 0.466 0.555 0.334 0.492 中熟品种 K1 0.021 0.053 0.058 0.029 0.092 0.634 Medium variety K2 0.022 0.026 0.033 0.029 0.050 0.707 K3 0.023 0.015 0.008 0.016 0.005 0.893 K4 0.067 0.095 0.099 0.074 0.136 0.444