矮象草是美国经十多年选育成功的一种高产优质新饲草。1987年从美国引入广西，1991年引入湖南，均试种成功，饲喂效果极佳，1994年被国家科委正式立项列入国家级推广项目。l、经济效益特点：①产量高。在中等水肥条件下，年亩产鲜革一般在0·8—l·2万公斤。1994年湖南长沙栽培 Dwarf grass is the United States after more than 10 years of breeding a high yield and quality of new forage. The introduction of Guangxi from the United States in 1987 and the introduction of Hunan in 1991 were both successful in breeding and excellent feeding effects. In 1994, the project was officially listed as a national promotion project by the State Science and Technology Commission. l, economic benefits Features: ① high yield. Under medium water and fertilizer conditions, the annual yield of fresh leather is generally 0.8-1.200 kg. 1994 Changsha, Hunan cultivation