Title: Nitrogenous fertilizer long-acting synergist
Application Number: 98114150 Application Date: 1998.07.10
Publication Number: 1204631 Publication Date: 1999.01.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C7/00
Applicant(s) Name: Kou Qingde Address: 163711
Inventor(s) Name: Kou Qingde, Lu Xiaobo
Attorney & Agent: xu zhaoguang
Abstract:
     A durable synergist for N fertilizer is prepared from dicyandiamide (10-30 wt.%), hydroquinone (2.5-10), trace element (25-45), rare-earth elements (0.3-1) and zeolite (35-60). Said trace elements include B, Mo and Zn for acidic soil, or B, Fe and Zn for alkaline soil. Its advantages include elongating the fertility, high utilization rate of N fertilizer, high yield of crops, low cost and less environmental pollution.
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