In the broadest sense, pesticides are chemicals used to control any organism that might invade or damage crops, food stores or homes.
Because there are many kinds of potential pests, there are several kinds of pesticides. The following are some examples:
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Insecticides: Reduce destruction and contamination of growing and harvested crops by insects and their eggs.
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Herbicides: Also known as weed killers, these improve crop yields.
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Rodenticides: Important for controlling destruction and contamination of crops by vermin and rodent-borne diseases.
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Fungicides: Especially important for protecting harvested crops and seeds from fungal rot.
ORGANIC FERTILIZER FORMULATIONS ENCYCLOPEDIA HARD BOOK AND SOFT BOOK
