1.机耕地为什么要打横堑?打横堑的耕法、耕深和枕地宽度如何确定?耕地时为保证机引犁在地头起落于一条直线上,犁铧易入土,减少地头漏耕、重耕、方便围耕,提高作业质量,所以必须打横堑.打横堑就是在翻地前沿地边与耕地垂直方向翻一犁.干硬地块采用外翻法,按要求耕深翻一犁,这样可减 1. Why does the cultivation of tillage? How to determine the width of tillage and plowing? To ensure that the plows rise and fall in a straight line on the farmland, the ploughshare is easy to soil, reduce the tilling of land, heavy tillage , To facilitate farming and improve the quality of operations, it is necessary to play cross cutting .To cut the cutting edge is in the vertical direction of the land and arable land turn a plow. Dry and hard block valgus method, according to the requirements of plowing a deep tillage, so that Less