The main topics To improve the variety,increase the yield and get better quality product. 。 To improve the usage means and processing technology To design and establish tame forage land, balance the production and requirement. ■RAE College of animal science,Northwest Agriculture&Forestry University 西北农林科技大学动物科技学院草业科学系__________________________________________________________________ College of animal science, Northwest Agriculture & Forestry University  西北农林科技大学动物科技学院草业科学系 The main topics • To improve the variety, increase the yield and  get better quality product. • To improve the usage means and processing technology • To design and establish tame forage land, balance the production and requirement