A method for improving the growth of target plants at a locus is provided, the method comprising applying to the locus a growth-improving amount of compound (I):The method is suitable for improving the growth of a range of target plants, in particular improving the growth of sugarcane, rice, soybeans, oilseed rape and potato crops.提供一個改善區域中目標植物生長的方法,該方法包含於該區域施用能改善生長的份量的化合物(I):此方法適用於改善各種目標植物的生長,尤其改善甘蔗、水稻、大豆、油菜及馬鈴薯植物的生長。