From: Patterns of pesticide usage in agriculture in rural Tanzania call for integrating agricultural and public health practices in managing insecticide-resistance in malaria vectors
Application frequency
No. of farmers
Percentage (%)
Twice every week
120
28.1
Once every 2Â weeks
61
14.3
2–4 times per growing season
71
16.6
Any time I find pests in the farm
111
26.0
I do not remember
64
15.0