Delaware Variety introduce and domestication were studied from 1998,with four salt-resistant strains introduced from Delaware America, Marry Washington as contrast, in Dongying Halophytes Garden .

• 试验从1998年开始,1998年从美国特拉华州引进耐盐芦笋4个品种在东营市盐生植物园开始做引种、驯化试验,以玛丽华盛顿作对照。