Order

Variable

Intercept

t Stat

P-value

1

Intercept of freedom

0.42984***

3.000

0.00284

2

Coffee production area (ha)

0.17003***

2.902

0.00387

3

Capital for coffee production (mil.dong)

0.00082***

6.288

0.00000

4

Labor (man-day)

0.00279***

5.103

0.00000

5

Irrigation methods (1-suitable; 0-unsuitable)

0.09794*

1.755

0.07994

6

Fertilizer application(1-suitable; 0-unsuitable)

0.10608**

2.341

0.01962

7

Encourage agriculture (1-yes; 0-no)

0.07063*

1.683

0.09297

8

Soil erosion mitigation (1-yes; 0-no)

0.81658***

10.701

0.00000

9

Shaded trees (1-yes; 0-no)

0.55203***

6.396

0.00000