Chlorimuron ethyl is primarily used as a selective herbicide in agricultural practices. It is effective in controlling a wide range of broadleaf weeds and certain grass weeds in crops such as soybeans. The chemical works by inhibiting the enzyme acetolactate synthase (ALS), which is crucial for the synthesis of branched-chain amino acids in plants. This inhibition leads to the disruption of plant growth and eventual death of the weeds. Its application is typically done through foliar spraying, ensuring that the target weeds are adequately covered for maximum efficacy. Due to its selectivity, chlorimuron ethyl minimizes damage to the crops while effectively managing weed populations, thereby enhancing crop yield and quality. It is important to follow recommended application rates and timing to avoid potential resistance development in weed populations and to ensure environmental safety.