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Table 2 Mean rank for perceived production constraints in formal survey

From: Indentifying farmers’ preferences and constraints to maize production in two agro-ecological zones in Burkina Faso

Constraints

Agro-ecological zone

Overall

Mann–Whitney U

Asymp. Sig. (two-tailed)

North-Sudan

South-Sudan

Liquidity problems

2.47

2.95

2.71

623.0

0.08

Lack of farm tools

2.73

2.60

2.66

769.0

0.76

Poor extension services

2.43

1.92

2.18

663.0

0.17

Unreliable rainfall

1.65

2.18

1.91

670.5

0.20

High price of seed

0.55

2.80

1.67

475.5

0.00

Striga weed

1.32

2.02

1.67

670.5

0.20

Termites

1.32

1.98

1.65

650.5

0.13

Low soil fertility

0.25

1.65

0.95

343.5

0.00

Stem borer

0.58

1.30

0.94

635.0

0.07

Labor shortage

0.77

0.78

0.78

704.5

0.25

Theft

0.58

0.92

0.75

660.0

0.09

Maize streak

0.22

1.05

0.64

595.5

0.02

Field insect pests

0.03

0.72

0.37

635.5

0.01

Poor quality of seed

0.28

0.32

0.30

787.5

0.84

  1. Constraint with highest mean rank is the most important