长胜公社马架子大队,从1965年开始进行玉米扒土晒根蹲苗试验,结果证明,它是玉米增产的一项有效措施。现已在全旗推广。为了进一步总结群众经验,1972、1973年我们又在马架子和小河沿两个大队进行了扒土晒根蹲苗的试验。蹲苗的方法玉米定苗后,当苗高6～7寸,长出5～6片叶,第一、二轮次生根已 Changsheng commune horse shelf brigade, from 1965 on the grilling of corn drying soil Dunmiao test results show that it is an effective measure to increase corn yield. Is now in full banner promotion. In order to further summarize the experience of the masses, in 1972 and 1973, we again carried out trials of mowing and drying roots in two groups of Mashihe and Xiaoheyan. The method of squatting seedlings corn seedlings, when the seedling height 6 to 7 inches, grow 5 to 6 leaves, the first and second round of secondary root