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problem
The importance of soil replacement and improvement is seriously insufficient
At present, in the construction of greening projects, most of the planting soil is the original structural soil that has been destroyed, which is not conducive to the survival and growth of plants. In order to save costs, some construction units do not perform soil replacement, and bury the construction waste on site; the soil that meets the planting requirements on site is not cleaned up; the euphemistically called soil improvement is to symbolically sprinkle some peat soil on the surface of the soil, which does not play a role in improvement at all. As everyone knows, the quality of the soil will directly affect the survival rate of plants after planting and the later growth effect.