Table 4: The slope and F-statistics value of linear regression model of millet yield per unit ( ).

County (city or banner)SlopeF-value

Horqin Zuoyi Zhong0.0917.1*
Kailu0.1955.2*
Horqin Zuoyi Hou0.0825.2*
Naiman0.1156.1*
Hure0.0742.5*
Aohan0.0715.7*
Ongniud0.1176.8*
Ningcheng0.1878.5*
Harqin0.0619.9*
Wuyuan0.0519.8*
Hanggin Hou0.0612.3*
Dengkou−0.056.0*
Ejin Horo0.0833.5*
Liangcheng0.1145.1*

*Regression model can reach the significance at the 0.05 level.