我国北方地区传统的土壤耕作方法属于旱地耕作。我国对旱地耕作技术的发展极为重视,多次召开过北方几个省有关部门的专业会议,研究推进旱地耕作技术。目前我国旱地耕作方法大体可分为三类,即平翻耕法(国外称为习惯耕法)、垄作耕法和个别地区(甘肃一带)的砂田耕法。其中平翻耕法 The traditional method of soil cultivation in the northern part of our country belongs to dry farming. Our country attaches great importance to the development of dryland farming technology. We have held several professional meetings of relevant departments of several northern provinces to study and promote dryland farming techniques. At present, the cultivation methods of dry land in our country can be roughly divided into three categories, that is, flat tillage (known as customary tillage abroad), ridge tillage and sand cultivation in some areas (Gansu). Which flat tillage method