旱地春小麦产量对不同生育阶段温度变化的响应模拟

王钧,李广,闫丽娟,刘强,聂志刚

Simulation of Spring Wheat Yield Response to Temperature Changes of Different Growth Stages in Drylands

Jun WANG,Guang LI,LiJuan YAN,Qiang LIU,ZhiGang NIE

表4 模拟产量与实测产量的相关性

Table 4 Relationships of simulated and observed values of yield

播期 Sowing dates 模拟产量平均值 (kg·hm-2) 实测产量平均值 (kg·hm-2) RMSE (kg·hm-2) NRMSE (%) ME 早播Early sowing 2830.45 2846.29 45.08 1.59 0.71 正常播Normal sowing 2537.30 2498.45 39.15 1.54 0.73 晚播Late sowing 2319.81 2313.87 35.61 1.53 0.74