玉米秸秆直接还田段宏昌保定市农机研究所玉米秸秆在田间直接还田、就地还田，可以免去秸秆运输的成本和时间，益处很多。这项技术在我国已推广了１０多年，并出现多种分类形式。现对其加以介绍、分析和比较。１分类按农机作业的方式，玉米秸秆直接还田有以下几种方式。１... Corn stalks directly back to field Hongchang Baoding Agricultural Machinery Research Institute corn stalks directly in the field, back to the field, straw transport costs can be saved and the time, many benefits. This technology has been promoted in our country for more than 10 years, and there are many kinds of classification. Now it is introduced, analyzed and compared. 1 classification According to the way of agricultural operations, corn stalks directly back to the field in the following ways. 1 ...