高粱、玉米是忻州地区的主要粮食作物,常年种植150万亩左右,占粮田播种面积的26%。为了寻求高粱、玉米新的增产途径,尽快实现全区粮食翻番,我区从1982年开始引进地膜覆盖栽培技术。通过几年的示范推广,高梁、玉米覆盖面积由最初的17亩发展到18.57万亩,七年累计推广42.1万亩,为全区增产粮食 Sorghum and maize are the main grain crops in Xinzhou area, with annual planting of about 1.5 million mu, accounting for 26% of the sown area of ​​the grain crop. In order to seek new ways for increasing yield of sorghum and maize, and doubling grain in the whole region as soon as possible, the mulching cultivation technology was introduced in our district from 1982. After several years of demonstration and promotion, sorghum and corn cover an area of ​​185700 mu from the initial 17 mu, with a total promotion of 421,000 mu in seven years, providing the whole region with more grain