福建蒲田县笏石区北高公社九仙大队,为丘陵旱作地区,全队有八个生产队,耕地面积1,514亩(水田451亩、旱地1,063亩),常年种植甘薯950多亩,占耕地面积62％。但是甘薯生产历年遭受小象虫严重为害,是个“十年九臭”的地方,解放前流传着“顶下坑园村,年年遭灾殃,臭薯遍地滚, Jiuxian Brigade, Beigao Commune, Watashi District, Putian County, Fujian Province, is a hilly dryland area. The team has eight production teams with a cultivated area of ​​1,514 mu (451 mu of paddy field and 1,063 mu of dry land). 950 mu of sweet potato is planted throughout the year, Area 62%. However, the production of sweet potato suffered as a small elephant pest serious damage over the years, is a “ten years nine smelly” place, before the liberation of the "top pit park village, year after year plagues,