Mecarbam is primarily used as an insecticide in agricultural practices to protect crops from a variety of insect pests. It is effective against pests that attack fruits, vegetables, and other crops, helping to ensure higher yields and better quality produce. The chemical works by inhibiting the activity of acetylcholinesterase, an enzyme essential for the proper functioning of the nervous system in insects, leading to their eventual death. Farmers often apply it as a spray, ensuring thorough coverage of the plants to maximize its effectiveness. Additionally, it is sometimes used in combination with other pesticides to enhance its pest control capabilities. Proper handling and adherence to safety guidelines are crucial to minimize risks to humans and the environment.