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Table 7 Different usage practices of pesticides by farmers in Yaoundé

From: Rapid evolution of insecticide resistance and patterns of pesticides usage in agriculture in the city of Yaoundé, Cameroon

Variable Answer % of farmers (n)
Land size  < 2000 m2 87.5% (203)
2000 m2–1 ha 11.2% (26)
 > 1 ha 1.3% (3)
Do you use pesticides and synthetic fertilizers? Yes 91% (211)
No 9.1% (21)
Pesticides used Insecticide 14.2% (30)
Insecticide + fungicide 49.8% (105)
Insecticide + fungicide + nematicide + acaricide 33.7% (71)
Insecticide + fungicide + herbicide 2.4% (5)
Where did you learn how to use pesticides? Advice 80.1% (169)
Training 15.2% (32)
Label 4.8% (10)
On what basis do you make the dilutions? Randomly 10% (21)
Instructions on label 31.8% (67)
Advice from suppliers and others 51.2% (108)
Training or seminar 7.1% (15)
When do you use pesticides and fertilizers? Dry season 23.2% (49)
All seasons 76.8% (162)
Respect the recommended doses Yes (standard doses) 4.3% (9)
No (high doses) 95.7% (202)
What do you do with the empty containers? Burn 14.2% (30)
Bury 7.6% (16)
Throw in the trash 31.3% (66)
Discard indiscriminately 36% (76)
Keep for recycling 10.9% (23)
Frequency of pesticide application during plant cultivation 1 time 17.5% (37)
Several times (up to 6) 82.5% (174)
Are these pesticides
effective?
Yes 93.4% (197)
No 6.6% (14)
Do pesticides and fertilizers often perish? Yes 27% (57)
No 70.1% (148)
No answer 2.8% (6)
What do you do with expired pesticides and fertilizers? Burn 3.3% (7)
Bury 15.2% (32)
Throw away 70.1% (148)
Use 5.2% (11)
Return to the suppliers 2.4% (5)
No answer 3.8% (8)