Title: Urea synergist
Application Number: 97104739 Application Date: 1997.03.28
Publication Number: 1163878 Publication Date: 1997.11.05
Approval Pub. Date: Granted Pub. Date: 2001.04.25
International Classifi-cation: C05C9/00
Applicant(s) Name: Kou Qingde Address: 151400
Inventor(s) Name: Kou Qingde, Zhou Yongjian
Attorney & Agent: XU ZHAOGUANG
Abstract:
     A synegist for urea is prepared from zeolite, hydroquinone, trace elements and rare-earth elements. Said trace elements include B, Mo and Zn for acidic soil, or B, Fe and Zn for alkaline soil. Said synegist features elongating and increasing the utilization ratio of urea greatly, lowering the cost, and increasing the yield of agricultural crops.
Time: 10