PURPOSE:To obtain the title compsn. which remarkably improves the fertilizer effect of phosphoric acid by compounding zeolite with a baked coral powder. CONSTITUTION:The title compsn. comprises 15-85wt.%, pref. 60-80wt.%, zeolite and 85-15wt.%, pref. 40-20wt.%, baked coral powder, is very suitable as a soil conditioner, and remarkably improves the fertilizer effects of nitrogen, potassium, and phosphoric acid. The compsn. can be advantageously used in many applications as an ion exchange resin. A high-quality zeolite is pref. The baked coral powder is porous, softens soil, improves the retention of water and fertilizers while simultaneously improving the air permeability and drainage propetrties of soil, and esp. improves the fertilizer effect of phosphoric acid.
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