Forages:An Introduction to Grassland Agriculture Chapter 5 Grasses Instructor: Long Mingxiu F■RAG Copyright reseved by Long Mingx 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 Copyright reseved by Long Mingxiu Forages: An Introduction to Grassland Agriculture  Chapter 5   Grasses  Instructor:  Long Mingxiu