一、概述近年来,东北地区的玉米、水稻等高产稳产的中耕作物播种面积不断增加,小麦栽培也有向宽垄中耕方向发展的趋势。加之农田水利的发展,水浇地面积逐年扩大和中耕深松、轮翻、间套作等新的耕作制度和栽培方法的试行推广,都对中耕作业提出了新的任务和要求。但是我国目前 I. Overview In recent years, northeast China’s corn, rice and other high and stable cultivation of cropland sown area is increasing, wheat cultivation also has the direction of the development of wide ridge tillage trends. Coupled with the development of farmland water conservancy, new areas such as the expansion of irrigated area and the deepening of cultivation, deep rotation, intercropping and other new tillage systems and trial cultivation of cultivation methods all put forward new tasks and requirements for cultivating tillage. But at the moment in our country