... sodium hydroxide, carbon disulfide (CS2) as raw material, made of viscose fluid, by spinning, and a condensation system. Printing and ... , minerals may have weathered acid. In addition, the use of inorganic fertilizers such as ammonium sulfate, ammonium chloride, etc., ... , the soil suitable for crop growth and promote the breeding of microorganisms. Increased Ca2 soil to promote soil colloid coagulation ...