根茬还田技术,是利用机械将玉米根茬粉碎成丝条直接抛撒在地表上,随即进行耕翻,混入土壤中作底肥的一项农机作业项目。玉米根茬还田是改变施肥结构,减少化肥施用量,增加土壤有机质,培肥地力,提高产量的有效方法,也是增加农业后劲的有效途径。 Roots stubble technology, is the use of machinery to ground corn stalks broken into pieces directly sprinkled on the surface, then plowing, mixed with soil as a base of an agricultural operation project. Maize stubble to return fields is an effective way to change the structure of fertilization, reduce the amount of chemical fertilizer, increase soil organic matter, fertility, increase yield, but also an effective way to increase agricultural stamina.