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本文首先概述了我国北方干旱半干旱地区的气候及土壤特点 ,并简单叙述了秸秆覆盖的概念及方法 ,详细地探讨了秸秆覆盖的作用与机理。最后就秸秆覆盖的意义及应用前景做一叙述。
This paper first outlines the climate and soil characteristics of arid and semi-arid areas in northern China, and briefly describes the concept and methods of straw mulching. The role and mechanism of straw mulching are discussed in detail. Finally, the meaning and application of straw mulch to make a narration.