甘肃红豆草在甘肃高寒地区的适应性研究

ccording to the Phenomenon of grassland degradation and lack of leguminous grass at present in the alpine region, Onobrychis viciaefolia Scop. cv.“Gansu” was experimented for its adaptability planted in the alpine region of Gansu province —Xiahe county at a 3050m mountain altitude from 2004 to 2007 , and the growing stage，plant height，grass yield and overwintering rate were analyzed.The results showed that it can perfom all the growing stage from the second year , its grass yield and overwintering rate increase yearly and it grew very well at a 3000m mountain altitude or so in the alpine region and performed very good adaptability. It can be palnted in the area extensively.