Description of the variables

Units

Min.

Max.

Mean

Std. Dev.

(Y) Maize output

metric tons

0.02

13.25

0.846

1.22

(X1) Soil types

1 = clay soil

2 = sand-clay soil

3 = stony soil

4 = gravelly soil

5 = black soil

1

5

3.30

1.57

(X2) Farm size

ha

0.1

3

0.608

0.349

(X3) Quantity of seed planted

Kgs

1

80

10.28

12.30

(Z1) Natural disasters

1 = none

2 = drought

3 = floods

4 = climate disturbances

0

3

0.185

0.58

(Z2) Kind of land tenure

1 = individual

2 = lease

3 = communal

1

3

1.692

0.93

(Z3) Recipient of grants (government or FAO)

1 = yes, 0 = no

0

1

0.038

0.192

(Z4) Experience in corn farming

1 = 3 years or less

2 = 3 - 6 years

3 = 6 - 10 years

4 = 10 - 15 years

5 = 15 years or more

0

1

0.441

0.496

(Z5) Use of hybrid seed

1 = yes, 0 = no

0

1

0.0044

0.066

(Z6) Member of an association

1 = yes, 0 = no

0

1

0.478

0.499

(Z7) Income Generating Activities (IGAs)

1 = none

2 = beekeeping

3 = hunt

4 = fishery

5 = small business

6 = others

0

6

3.145

1.735

(Z8) Education level

1 = none

2 = primary school

3 = college

4 = secondary school

5 = university

0

4

1.22

0.717

(Z9) Age

years

13

79

33.46

13.2

(Z10) Gender

1 = male, 0 = female

0

1

0.518

0.499

(Z11) Total maize income

F CFA

2500

1,650,000

197,803.4

156,639