Optimization for SRAP-PCR System of Medicago varia Martin. Based on Orthogonal Design Analysis on Ecophysiological Characteristics of Leaf Photosynthesis of Medicago Varia.cv.Gannong NO.1 Effects of Different Enzymolysis Conditions on the Cotyledons Protoplast Isolation of Alfalfa Genetic Diversity of Medicago varia Martyn.Germplasms Detected by SRAP Markers Expressional Analysis of MvNHX1 in Medicago varia Xinmu-1 and Enhancing the Salt Tolerance of Tobacco The Experimental Study of Mix-Sowing of Bromus inermis and Medicago varia Comparative Study on the Regenerative Factors of Medicago stavia and Medicago varia Effects of Medicago varia Martin.,Bromus inermis Leyss.,and Mixture of the Both on Soil Organic Matter and Available Nutrients Comparative study on drought resistance and salt tolerance of Medicago ruthenica and Medicago sativa at seed germination period Effects of Aqueous Extracts from Medicago varia cv.caoyuan No.2 on Grass Seed Germination