METHOD FOR PREPARING LANDSCAPING SOIL FROM RIVER SILT

A method for preparing the landscaping soil from river silt, comprising the following steps: dewatering, crushing and sieving river silt to obtain silt powder; taking the silt powder, first adding soluble glass in a stirring process, stirring for 30-50 s, then adding a weak acid saturated solution, and continuing stirring for 60-80 s, such that the soluble glass fully wets the surface of the silt powder; and adding an organic acid biological compound and chaff charcoal, stirring at a high speed for 80-100 s for uniformly mixing same, then spreading, airing, and curing at room temperature for 2-4 days to obtain planting soil for greening. The landscaping planting soil prepared by the method has a high infiltration rate and an obvious particle distribution gradient, and both the content and texture of organic matter can meet the requirements of the standard of landscaping planting soil; additionally, the method has the advantages of short production time, small occupied area, controllable capacity, etc. L'inven