黄沙公社位于上犹东南部,地处犹江两岸,与南康、崇义两县接壤,海拔150米,年平均气温19℃,无霜期290天。种植双季稻为主,稻蔗混栽。常年早稻面积8,300亩左右。历年稻瘟病都有不同程度的发生,1979年早稻穗颈稻瘟大流行,全社发病面积3,200亩,占早稻种植面积的37.21％、严重田块发病率 Yellow sand commune is located in southeastern Sogou, located on both sides of the river, and Nankang, Chongyi two counties bordering 150 meters above sea level, the annual average temperature of 19 ℃, frost-free period of 290 days. The main planting double cropping rice, rice and sugarcane mixed planting. Perennial rice area of ​​about 8,300 acres. Rice blast over the years have varying degrees of occurrence, in early rice paniculosis in 1979, pandemic, the whole community incidence of 3,200 acres, accounting for 37.21% of the area planted early rice, the incidence of serious fields