玉米是我县主要粮食作物,占粮谷作物面积的40％左右。解放后我县玉米的种植形式经历了四次较大的变革;合作化时期玉米与大豆混作;人民公社化时期改为玉米、大豆间作;近几年来推广矮秆杂交种改为“一堂清”小垄密植;随着农业机械化的发展,玉米由小垄密植又逐渐改为大垄栽培。从1975年大面积试种到1977年全县大垄玉米已发展到4万亩,1978年达到8万亩。近年来大垄玉米充分显示了抗灾增产的优越性。金星公社种植16000亩大垄 Corn is my county’s main food crops, accounting for about 40% of cereal crop area. After liberation, the planting pattern of corn in our county experienced four major changes; the corn and soybean were mixed during the co-operative period; the corn and soybean intercropped during the people’s commune period; and the promotion of dwarf hybrids in the past few years was changed to " Small ridge close planting; with the development of agricultural mechanization, corn by small ridge and gradually planting a large ridge cultivation. From a large area of ​​1975 trial to 1977 the county wide ridge corn has grown to 40,000 acres in 1978 reached 80,000 acres. In recent years, large ridge corn has fully demonstrated the superiority of disaster prevention and increase yield. Venus commune planting 16000 acres of big ridge