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Table 6 Influence of fallow types on Zonocerus variegatus pressure (%) in adjacent crop fields in the humid forest zones of Southern Cameroon

From: Farmers' perception on the importance of variegated grasshopper (Zonocerus variegatus (L.)) in the agricultural production systems of the humid forest zone of Southern Cameroon

All

AECD-Blocks

C.odorata fallow

Herbaceous fallows

Shrubs fallow

Forest

p-value

Yaounde

52

35

10

5

<0.0001

Mbalmayo

44

40

11

7

<0.0001

Ebolowa

51

39

9

2

<0.0001

   p-value

NS

NS

NS

NS

 

   Means

49

38

10

4

<0.0001

Female

Yaounde

54

29

10

7

0.0052

Mbalmayo

45

40

10

5

0.0024

Ebolowa

50

43

7

0

0.0007

   p-value

NS

NS

NS

NS

 

   Means

50

37

9

40

<0.0001

Male

Yaounde

49

40

9

2

0.0007

Mbalmayo

42

39

11

8

0.0037

Ebolowa

51

34

11

4

0.0010

   p-value

NS

NS

NS

NS

 

   Means

47

38

10

5

<0.0001

  1. The values are averages of the scores for 10 groups of farmers (5 male and 5 female groups) interviewed per AECD-Blocks; p-value is the significance levels of a non parametric test of Kruskal-Wallis NS = nonsignificant (p > 0.05); AECD-Blocks = Agro-Ecological, Cultural and Demographic Blocks.