The terrace is a field with a strip or wavy section built by [1] on a hill slope along the contour line. It is an effective measure to control soil and water loss in sloping land, and the effect of water storage, soil conservation and yield increase is very significant. The ventilation and ventilating conditions of terraced fields are good, which is beneficial to the growth of crops and the accumulation of nutrients. There are horizontal terraces, sloping terraces and compound terraces according to the different slope of the field. The terrace width depends on the slope of the ground size, thickness, soil tillage, the number of labor and economic conditions, and the drainage system, road traffic unified planning. Terracing should keep up with the topsoil, terraces, deep tillage, organic fertilizer, planting appropriate pioneer crop cultivation measures, in order to accelerate the ripening of soil to improve soil fertility.

圖片編號： 107862771
拍攝者： Mengtianhan