追肥，增加土壤和沙，通过种草，地面覆盖植物涓滴不只是适当的排水必要的，但工厂和基层健康。
Top dressing, adding soil and sand that trickle through grass and ground cover plants is not just necessary for proper drainage, but for plant and grass health.
以国际土壤系统分类的基层单元的划分原理和方法，研究建立了成都平原的土系。
Using the taxonomy principles and methods of the basic units of World soil taxonomy, soil series in Chengdu Plain were divided.
绅士应该有堵塞森严的内部排水或沙子或砂砾基层，让水分进入土壤回来。
Planters should have clog-guarded internal drains or a sand or gravel base to allow water to go back into the soil.
应用推荐