位固怡加 Taproot system Fibrous system f.8 黑麦草属(Lnlium)》 F■▣RAGE 80 College of animal science,Northwest Agriculture Forestry University 形 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 直根系 须根系 Taproot system Fibrous system