Title: Granulated phosphate fertilizer and production thereof
Application Number: 90105673 Application Date: 1990.06.02
Publication Number: 1057045 Publication Date: 1991.12.18
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05B17/00,C05B19/00
Applicant(s) Name: Xuyi Phosphate Fertilizer Factory Jiangsu Prov. Address: 211700
Inventor(s) Name:
Attorney & Agent: CHEN JINGQIAO
Abstract:
     The present invention refers to a granulated phosphate fertilizer and its production method. The current available phosphate fertilizers are mainly calcium superphosphate and calcium-magnesia phosphate fertilizer. The former is easy to agglomerate and needed to be crushed before applying. The latter is in powdered form and needed to be the addition of water or lake soil to form sand granule before applying. Therefore they are not convenient to apply. The present invention uses sticky calcium-magnesia phosphate fertilizer to obtain granulated phosphate fertilizer through proper processing. The said fertilizer is easy to apply and easy to be absorbed by crops with lower consumption, reduced labour, longer fertilizer effect. and no fertilizer harmfulness.
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