晋中平川农业区一般是指海拔800米以下的地区.是我省气候条件较好的农业区之一.在玉米生态区划中属春播晚熟区,生产上推广的玉米品种以中熟型的中单2号为主.随着地膜覆盖栽培在粮食作物上的推广.该区玉米覆膜栽培亦有一些增产事例.但认识尚不统一.究竟如何发挥地膜栽培这一优势,提高玉米产量,仍有探讨之必要,现就个人主管见,提出一些看法. Jinchuan Hirakawa agricultural area generally refers to the area below 800 meters above sea level is one of the better weather conditions in our province agricultural area in the corn ecological division is spring sown late maturity, the production of corn varieties to promote medium-sized No. 2 mainly with the plastic film mulching cultivation in the promotion of food crops in the area of ​​corn film cultivation there are some examples of increased production but the understanding is not uniform.About how to play this advantage of plastic film mulching and increase corn yield is still There is a need to explore, personal leaders now see, put forward some views.