清丰县位于河南省东北部的冀、鲁、豫三省交界处,隶属濮阳市。全县辖17个乡镇,502个行政村,851 000亩耕地,650 000人,其中农业人口580 000人,是一个农业大县。全县常年种植玉米40万亩左右,其中近几年以来每年都推广高产高效栽培技术,平均亩产达550kg以上。清丰县农业生产基础条件较好,土质为两合土,土地平整,非常适宜夏玉米生产,再加上农民科技意识较强,接受新技术能力快, Qingfeng County is located in the northeast of Henan Province, Hebei, Shandong and Henan provinces at the junction, under the Puyang City. The county administer 17 townships, 502 administrative villages, 851000 acres of arable land, 650000 people, of which 580000 agricultural population, is an agricultural county. The county perennial planting of about 400000 acres of corn, which in recent years every year to promote high yield and efficient cultivation techniques, the average yield of more than 550kg per mu. Qingfeng County, the basic conditions for better agricultural production, soil for the two combined soil, the formation of land is very suitable for summer maize production, coupled with stronger farmers awareness of science and technology, the ability to accept new technology quickly,