Title: Method for producing organic fertilizer
Application Number: 91106385 Application Date: 1991.04.16
Publication Number: 1065854 Publication Date: 1992.11.04
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05F1/00
Applicant(s) Name: Zhucheng United Bone Glue Factory Address: 262200
Inventor(s) Name: Dong Deqiang, Hu Minghai
Attorney & Agent: DU XIXIAN
Abstract:
     The present invention refers to a method for production of organic fertilizer. It is made of residue from bone glue extaction, cotton-seed cake, hoof powder, feather powder, blood powder and skin powder, which are blended in proportion and formed into granular organic fertilizer by granulating machine. The present method makes full use of residuals from bone glue production and domestic animals and fowels slaughtering. The said fertilizer has multiple elements, e.g. nitrogen, phosphorus, potassium, calcium, iron, zinc, etc. and trace amount elements with both long-term and short-term fertilizer effects. It is suitable for various crops, esp. for fruit tree, grape, vegetables, etc.
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