Title: Mixed nitrogen-phosphorus-potassium fertilizer containing defatted bone powder
Application Number: 87101524 Application Date: 1987.03.26
Publication Number: 1021365 Publication Date: 1988.10.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05G1/00
Applicant(s) Name: Bing Guocheng Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     Said mixed fertilizer is produced by mixing defatted bone powder, urea and potassium sulfate. Defatted bone powder is obtained by high pressure steam distillation of animal bones and then milled with grinder. By virtue of high content of phosphorus, said fertilizer possesses higher fertilizing efficiency than mixed fertilizer made of chemical phosphorus fertilizer. It also possesses better effect to soils.
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