Title: Long-acting urea coated with rare-earth
Application Number: 95110351 Application Date: 1995.03.06
Publication Number: 1130609 Publication Date: 1996.09.11
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C9/00,C05G3/00,C05G3/08
Applicant(s) Name: Jiang Chuanshu Address: 252037
Inventor(s) Name: Jiang Chuanshu
Attorney & Agent:
Abstract:
     A long-acting urea features that urea fertilizer is as core and the mixture of rare-earth, calcium clay and nitrated restrainer is as wrap. The utilization rate and long action of urea are increased. Its rare-earth component can promote development of plant root, branch and leaf and photosynthesis, and increase yield.
Time: 7
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