凉薯在我国四川、湖南、湖北等地种植。为调整晋州市种植结构,调配蔬菜品种,提高经济效益,1998年我市从四川引入凉薯(地瓜一号),1999～2001年经我市4个乡镇、12个村进行不同方式的试验示范,采用地膜覆盖一茬栽培的,平均亩产3500～4000公斤,搭架栽培的亩产达5000公斤以上。 Sweet potato in China’s Sichuan, Hunan, Hubei and other places planted. In order to adjust the planting structure of Jinju City, allocate vegetable varieties and increase economic benefits, in 1998, the city introduced sweet potato (sweet potato No.1) from Sichuan. From 1999 to 2001, four different townships and 12 villages Demonstration, the first crop cultivation using mulching, the average yield of 3500 to 4000 kg, shelved cultivation of more than 5000 kg per mu.