摘要
以提高"五度"(纯度、田间整齐度、密度、良种良法结合度、成熟度)为主攻方向,建立平泉县春玉米亩产850kg10万亩联片高产高效栽培技术体系:选用紧凑型新品种,建立高光效群体结构,综合抗旱播种技术,优化施肥方案,地膜覆盖栽培技术.通过1996年、1997年推广,亩产由原来的700kg,提高到853kg和858kg.
Through improving seed purity,field order,seed density,the combina- tion degree of improved variety and method and the degree of ripeness,the high—pro- ductive and high—effecient technical system of spring corn in Pingquan County was es- tablished.The system included selection of new breeds,establishment of high—getting structure,application of comprehensive sowing technique,optimization of fertilization way and application of plastic film to field.The output of each mu was increased to 853kg and 858kg from 700kg by spreading this technical system during 1996 and 1997.
