三十烷醇是近年来由美国传入,在我国使用比较广泛的一种新型植物生长刺激素,对植物生理功能具有多种调节作用,可以促进植株生长发育,增加生物产量。目前,我国已有众多厂家生产,主要用于农作物、蔬菜、果树和花卉方面,在畜牧业方面仅作为牲畜快速育肥饲料添加剂利用,而对牧草的使用研究还很少。锌能显著地促进色氨酸、色胺、吲哚 Triacontanol is introduced from the United States in recent years, widely used in our country a new type of plant growth hormone, has a variety of physiological functions of plant regulation, can promote plant growth and increase the biological yield. At present, China has a large number of manufacturers, mainly used for crops, vegetables, fruit trees and flowers, livestock husbandry only as fattening feed additives for livestock use, and the use of pasture research is still small. Zinc can significantly promote tryptophan, tryptamine, indole