INORGANIC COMPOSITION, ITS PRODUCTION, FERTILIZER AND SOIL CONDITIONER USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a soil conditioner or a fertilizer that is rich in acid-soluble silicic acid suitable for rice cultivation. ;SOLUTION: The objective inorganic composition is amorphous, mainly composed of MgO, SiO2, CaO and P2O5 and contains MgO in amounts of 1-20 wt.% and SiO2 in 30-50 wt.%, preferably P2O5 1-12 wt.% where the molar ratio of (CaO+MgO)/(SiO2+P205) is 1.2-2.5.;COPYRIGHT: (C)2000,JPO