轮歇压青是我区阴山以北后山地区的一种传统的耕作制度。所谓“轮歇”,就是在耕地连续种植几年之后实行一年休闲;所谓“压青”,就是对体闲地进行耕翻,将杂草翻入土内,以提高土壤肥力。轮歇压青的好处很多,可以蓄水保墒,防止春旱;可以恢复并提高土壤肥力,实行种地与养地相结合;可以有效地消灭杂草,特别是宿根性恶性杂草;可以合理安排轮作,减轻病虫的为害;可以克服劳力不足、农活集中所造成的困难。实行轮歇 Wheel pressure is the pressure of the Yellow Mountains in the mountainous area north of Yinshan a traditional farming system. The so-called “rotation” refers to the one-year leisure exercise after arable land has been planted for several years. The so-called “pressing on of green” refers to tilling the bodies for idleness and turning the weeds into the soil to increase soil fertility. The benefits of wheelchair pressing are many, water can soil moisture, to prevent spring drought; can restore and improve soil fertility, the implementation of a combination of farming and raising; can effectively eliminate weeds, especially perennial weeds; can be reasonable Arrangements for rotation to reduce pest and disease damage; can overcome the lack of labor, agricultural difficulties caused by the concentration. The implementation of rotation