Pesticide sprayers are tools used to apply pesticides, herbicides, and fungicides to crops and plants. They come in various forms, including handheld sprayers, backpack sprayers, and tractor-mounted sprayers. These devices help farmers and gardeners protect their plants from pests and diseases, ensuring healthier growth and better yields. The operation of pesticide sprayers typically involves a tank to hold the chemical solution, a pump to create pressure, and a nozzle to disperse the liquid. Proper use of pesticide sprayers is essential for effective application and minimizing environmental impact, making them an important part of modern agriculture and gardening.