由大小不等的土壤固相颗粒相互联结组合所形成的土体构造,对土壤的耕作性能、蓄水保墒和储供养分等多方面起着重要调节作用;我国广大农民所采取的很多耕作措施,如客土、改土、深翻、深松、铲耥、耙压等等,以致于施肥、灌水、安排适宜作物茬 The structure of soils formed by the combination of solid particles of different sizes and different sizes plays an important regulating role on the tillage performance, storage and preservation of soil, storage and storage of nutrients, etc. Many tillage measures taken by the majority of farmers in our country , Such as soil, soil improvement, deep plowing, deep pine, shoveling, raking and so on, so that fertilization, irrigation, arrangement of suitable crop stubble