Title: Ardealine long-acting compound fertilizer and preparing technique
Application Number: 88107910 Application Date: 1988.11.12
Publication Number: 1033617 Publication Date: 1989.07.05
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05B21/00
Applicant(s) Name: Kunming Ecology Inst., Chinese Academy of Science Address:
Inventor(s) Name: Jing Guifen, Xie Kejin
Attorney & Agent: ZHU XIAOQI
Abstract:
     The invention is related to ardealine long-acting compound fertilizer and preparing technique which is suitable for various crops. The fertilizer component is slowly released by carrier which is ardealine or gypsum. The ardealine is partly dewatered and mixed with the fertilizer component, then prilled and dried. The ardealine is residue in preparing phosphoric acid with apatite, so the cost of compound fertilizer is low and the waste is fully utilized.
Time: 7