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Table 5 Influence of age of the pre-farming fallow on the pressure (%) of Zonocerus variegatusin crop fields established at the same site.

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 Fallow of 1 -5 years Fallow of 5 -10 years Fallow > 10 years p-value
Yaounde 39 31 30 NS
Mbalmayo 40 30 30 NS
Ebolowa 33 33 33 NS
   p-value NS NS NS  
   Means 37 32 31 NS
Female
Yaounde 33 33 33 NS
Mbalmayo 47 27 27 NS
Ebolowa 33 33 33 NS
   p-value NS NS NS  
   Means 38 31 31 NS
Male
Yaounde 44 29 27 NS
Mbalmayo 33 33 33 NS
Ebolowa 33 33 33 NS
   p-value NS NS NS  
   Means 37 32 31 NS
  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.