沙参为莱阳特产,驰名中外。莱阳市年种植面积达1333hm2以上,是增加农民收入的主导产业之一。但沙参常年易发生缺苗、断垄和烂根的减产现象,给参农造成损失。作者经过多年摸索,创造了“沙参龟背式抗旱防涝无公害栽培法”,解决了沙参种植常年发生的缺苗、断垄和烂根减产这一技术 Sandra as Laiyang specialty, renowned at home and abroad. Laiyang City, planting area of ​​1333hm2 or more, is one of the leading industries to increase peasant income. However, the annual occurrence of Radix Adenophora is likely to occur. The phenomenon of reduced production of broken ridge and rotten root causes losses to farmers. After years of groping, the author has created “Radix Salviae Miltiorrhizae Drought-Protected Waterlogging-free and Nuisance-free Cultivation Law” to solve the perennial lack of seedlings, broken ridge and rotten root production of this technology