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根据各温度级有效积温(>10℃)与生育期的相关系数可以把10℃至33℃之间的日平均温度的作用效应分成不等的五段,就五段温度对生育期影响的不同作用值进行模拟,并用以进行抽穗期预报。
According to the correlation coefficient between effective accumulated temperature (> 10 ℃) and growth period of each temperature level, the effect of daily average temperature between 10 ℃ and 33 ℃ can be divided into five different intervals. The simulation results were used to forecast the heading date.