Factors that limit the use of pesticides by farmers.

• they and application equipment are expensive
• application of pesticides requires skill especially in measuring and mixing
• they kill beneficial organism as well for example pollinator.
• They pollute the environment
• They lower the value and/quality of products
• They are poisonous to the farmer and livestock
• Lead to chemical resistant pests on prolonged use of same pesticide
• Accumulate in ecosystem
• Pesticides can be poisonous to farmers and their animals
• Some pesticides are inflammable and may cause fire hazards
• Some pesticides such as DDT accumulate in food chain leading to toxic levels and may eliminate organisms in top trophic levels.

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Dr. Bbosa Science