随着栽培技术的提高,单位面积的产量越来越高,作物消耗的土壤养分也越来越大。特别是近几年,有的农户不注重土地的用养结合,而进行掠夺式生产,致使土地肥力急剧下降,而补施的化肥仅是几种大宗肥料,这样便使土壤越种越薄。因此,培肥土地便成了目前农业生产中的一项重要任务,而利用玉米根茬培肥土地,简便易行,经济效益 With the improvement of cultivation techniques, the yield per unit area is getting higher and higher, and the soil nutrients consumed by crops are also getting larger and larger. In recent years, in particular, some rural households do not pay attention to the combination of land and husbandry and plunder their production, resulting in a sharp drop in the fertility of the land. Only a few bulk fertilizer is used to make up fertilizers, thus making the soil thinner and thinner. Therefore, the fertilization of land has become an important task in agricultural production, and the use of corn stubble fertilization of land, easy, economic benefits