Title: Formula of silicon-calcium-magnesium-phosphorus fertilizer and production method thereof
Application Number: 95111357 Application Date: 1995.05.10
Publication Number: 1135468 Publication Date: 1996.11.12
Approval Pub. Date: Granted Pub. Date: 2000.02.02
International Classifi-cation: C05B13/00
Applicant(s) Name: Chen Derong Address: 618201
Inventor(s) Name:
Attorney & Agent: WANG XINGWEN YIN BANGBIN
Abstract:
     The formula of silicon-calcium-magnesium-phosphate fertilizer is composed of (wt%) 38%-48% of low-grade phosphorus ore, 12%-16% of peat, 15%-25% of lime stuff and 20%-25% of silica sand. The production process includes: proportioning low-grade phosphorus ore, peat and lime stuff, uniformly mixing them, roasting at 400-600 deg.C to obtain their mixture, mixing said mixture with a proper quantity of silica sand, grinding and checking so as to obtaint he invented finished product with advantages of high fertilizer efficiency and low cost.
Time: 9