Pyraclonil is primarily used as a herbicide in agricultural practices to control a wide range of weeds, particularly in rice fields. It is effective against both annual and perennial weeds, helping to improve crop yield by reducing competition for nutrients, water, and sunlight. The chemical works by inhibiting photosynthesis in target plants, leading to their gradual death. Its application is often favored due to its selectivity, as it minimizes damage to the rice crop while effectively managing weed populations. Additionally, pyraclonil is known for its residual activity, providing prolonged weed control and reducing the need for frequent applications. This makes it a cost-effective solution for farmers managing large-scale rice cultivation.