Napropamid solution is widely used as a pre-emergent herbicide in agriculture and horticulture. It effectively controls annual grasses and certain broadleaf weeds by inhibiting root and shoot development in germinating seeds. It is commonly applied in fields growing vegetables, ornamental plants, and tobacco, as well as in nurseries and landscaped areas. Due to its soil residual activity, it provides extended weed control early in the growing season. Napropamid solution is favored for its ease of application through spraying equipment, allowing uniform distribution over large areas. It is especially useful in integrated weed management programs where early-season weed suppression is critical for crop establishment.