植物生长调节剂,是指由人工化学合成或用其他方法生产而获得,从植物外部施加给植物的调节剂。它可以促进农作物生长发育,提早成熟、改善品质、提高产量。但是,近年来一些农户不懂各类植物生长调节剂的特性和使用方法,常造成施用不当而减产。为此,施用植物生长调节剂应注意以下问题: Plant growth regulators are those regulators that are obtained from artificial chemical synthesis or production by other means and applied to the plant from outside the plant. It can promote crop growth, early maturity, improve quality, increase production. However, in recent years, some farmers do not understand the characteristics and methods of use of various plant growth regulators, often resulting in improper application and yield reduction. To this end, the application of plant growth regulators should pay attention to the following questions: