Title: Mixed and composite granular fertilizer of ammonium carbonate and its process of production
Application Number: 92100910 Application Date: 1992.02.17
Publication Number: 1063478 Publication Date: 1992.08.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C3/00,C05G1/00
Applicant(s) Name: Soil and Fertilizer Research Inst., Hubei Prov. Ac Address: 430064
Inventor(s) Name: Li Shuanglai, Xiong Yousheng
Attorney & Agent: LIN XIANGMING
Abstract:
     The features of this invention are that ammonium bicarbonate as a source of nitrogen, phosphorus gypsum or mixture of dolomite and sepiolite is used as additive. The source of raw material is widespread, and the cost is low. The various nutrients of mixed composite fertilizer thus produced are stable. It may be stored for a long period. The contents of various nutrients meet the national standards. Said mixed composite fertilizer is prepared by a technique to press and granulate with no drying machine.
Time: 5