Used primarily as an organophosphate insecticide in agriculture, particularly for controlling pests in rice paddies and on cotton crops. It is effective against a range of insects including aphids, mites, and leafhoppers. Due to its mode of action as an acetylcholinesterase inhibitor, it disrupts the nervous system of target pests. Its use has declined in many regions due to environmental and toxicity concerns, especially regarding aquatic life and potential human health risks. Often applied in emulsifiable concentrate or granular form, it requires careful handling and adherence to safety protocols to minimize exposure.