[Objective] The research aimed to understand the stress resistance of four foreign alfalfa varieties and provide basic data for planting them in different regions.[Method] The comparative test was conducted on the stress resistance of four foreign alfalfa varieties.Their seedling occurrence situations were analyzed to understand their stress resistance characteristics.[Result] The acid-resistant abilities of four alfalfa varieties were as follows:Gonden Empress>Grangeur>Algonquin>Victoria.The alkali-resista...