吨粮田的出现标志着我国农业科学技术水平和粮食生产综合能力在迅速提高。扩大吨粮田面积可明显增加粮食总产量和指导中、低产田改造。目前辽宁省创吨粮田主要途径有:玉米一季创吨粮和麦粮间套复种上、下茬合创吨粮。其中麦粮间套复种形式容易实现吨粮指标。要把上、下茬作物看做一个整体,研究并采取配套的高产栽培技术体系,以便指导生产实践。 The emergence of the grain field marked a rapid increase in the level of agricultural science and technology and the comprehensive capability of food production in our country. The expansion of the area of ​​ton grain fields can obviously increase the total grain output and guide the transformation of medium and low-yield fields. At present, Liaoning Province, a major means of creating tons of grain fields are: a quarter of a quarter of corn and wheat grain crops inter-cropping compound crop, the next crop together a ton of grain. Among them, it is easy to realize the ton of grain index in the form of multi-cropping with wheat grain. It is necessary to regard the upper and lower crop as a whole, to study and adopt the supporting high-yield cultivation technique system in order to guide the production practice.