Agricultural pesticides are chemical substances used to control pests and diseases in crops to improve crop yields and quality. They can include herbicides, insecticides, and fungicides, among others. These pesticides are applied to crops using various methods such as spraying, dusting, or soil application. However, the use of pesticides can have negative environmental impacts, such as contamination of water sources and harm to non-target organisms. Research in this area focuses on developing safer and more effective pesticides, as well as exploring alternative methods of pest control that reduce reliance on chemical treatments. Additionally, research also looks at the long-term effects of pesticide use on ecosystems and human health.