Substrate for grawing urban carpet sward and its prepn. method

Abstract

A matrix for culturing the lawn in urban area is prepared from the compost of city life garbage (48-93 Wt%) and yellow clay (7-52 Wt%).

Description

technical field [0001] The invention relates to an urban carpet turf substrate and a preparation method thereof, which is a resource utilization of urban domestic garbage and urban building excavation foundation yellow slime and a soilless cultivation technology for urban turf. technical background [0002] Over the years, the stockpiling volume of municipal solid waste in my country has exceeded 6 billion tons, and the resource utilization rate is less than 5%. The vast majority of waste is in an idle and chaotic stacking state. a special resource. [0003] The underground yellow slime excavated from the foundation of urban buildings is located deep below the urban soil layer. In fact, the parent minerals in the lower layer of the soil are relatively viscous. After being dug out, they are treated as general construction waste and have little utilization value. Big. Yellow slime is rich in resources and very economical, without cost. [0004] Lawn greening has become an im...

AI Technical Summary

Problems solved by technology

[0006] ① Turf production mostly uses high-quality tillage soil as the substrate. A turf production requires about 5 cm thick tillage soil. In this way, fertile tillage soil resources will be brought into the urban ecosystem along with the sale of turf, while farmland After several times of turf production, it will become very barren, and the waste of soil resources in the carpet turf cultivation mode is relatively serious.

[0007] ②Because the soil contains propagules of weeds, there are many weeds in the soil matrix carpet turf, which brings inconvenience to management and increases the production cost of carpet turf

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