不同生态条件对薏苡品种产量的影响

李秀诗, 李英桃, 付瑜华, 罗仁山, 李守岭, 尚昆, 朱加保, 於春

The Impact of Different Ecological Conditions on Yield of Coix Varieties

Li Xiushi, Li Yingtao, Fu Yuhua, Luo Renshan, Li Shouling, Shang Kun, Zhu Jiabao, Yu Chun

表7 不同生态区气象因子与产量的线性回归分析

Table 7 Linear regression analysis of meteorological factors and yield in different ecological regions

模型 Model 非标准化系数Unstandardized coefficient 标准化回归系数 Beta t p 共线性诊断Colinearity diagnosis B 标准误Standard error VIF 容忍度Tolerance 常数Constant -6646.627 5720.407 － -1.162 0.254 － － X1 -0.236 1.081 -0.060 -0.219 0.828 4.757 0.210 X2 8.024 6.668 1.503 1.203 0.238 98.436 0.010 X3 -390.040 433.780 -0.963 -0.899 0.375 72.423 0.014 X4 7.712 3.380 0.988 2.282 0.030 11.842 0.084 X5 -28.205 26.104 -1.284 -1.080 0.288 89.147 0.011 X6 1505.817 1762.357 0.602 0.854 0.399 31.337 0.032 X7 0.980 2.043 0.115 0.480 0.635 3.599 0.278 X8 594.196 413.457 0.388 1.437 0.161 4.597 0.218 R2 0.509 F F(8,31)=4.017，P=0.002 D-W值D-W value 2.245