Variable

Six Agricultural Regions

Spring Wheat Region

Winter Wheat and Millet Region

Yangtze Rice and Wheat Region

Rice and Tea Region

Twice-Harvested Rice Region

Southwest Rice Region

$Com$

0.19^*** (5.26)

0.01

(1.11)

0.20^***

(2.97)

0.66^***

(9.30)

0.22^***

(3.29)

0.65^***

(6.49)

0.13

(1.00)

$Long$

0.04^*

(1.70)

0.12^**

(2.49)

0.19^***

(2.80)

0.01

(0.23)

0.07^**

(2.09)

0.48^***

(5.13)

1.07^***

(11.83)

$Short$

0.32^***

(16.59)

0.18^***

(3.55)

0.04

(0.74)

0.21^***

(5.50)

0.22^***

(4.49)

0.34^***

(3.29)

0.06

(0.81)

$Labor$

0.06^***

(8.21)

0.03^*

(1.93)

0.01

(0.42)

0.01

(0.62)

0.06^***

(4.21)

0.06^***

(3.01)

0.01

(0.44)

$Borrow$

0.00^***

(5.72)

0.00^***

(2.61)

0.00

(1.09)

0.00

(1.40)

0.00

(1.55)

0.00

(0.07)

0.00^*

(1.73)

F-test

Statistical Value

86.73

14.42

4.95

29.25

15.93

22.16

42.96

P-value

0.00

0.00

0.00

0.00

0.00

0.00

0.00

R²

0.12

0.15

0.14

0.17

0.11

0.37

0.36