A soil conditioner using sludge of ruined stone powder

摘要

PURPOSE: Provided is a soil improving agent using waste powdered lime stone sludge generated from aggregate, which can neutralize acid soil, therefore, the output of farm products can be increased. CONSTITUTION: The soil improving agent comprises the waste powdered lime stone sludge having a particle size of less than 200 mesh, wherein the waste powdered lime stone is generated by pulverizing a Mesozoic sedimentary rock such as shale, siltstone, and sandstone comprising quartz, plagioclase, illite, and chlorite and having potassium, sodium, calcium, magnesium, iron, silicon, etc.