medicago造句 31. Responses of Medicago sativa and Astragalus adsurgens seedlings growth and water use to soil moisture regime. 32. The AfSS gene of sucrose synthase in the Medicago falcata L was cloned. 33. Alfalfa(Medicago sativa L. )is a perennial legume grass which was cultivated widely on semi-humid areas of the loess plateau.