Title: High effiency fertilizer of ammonium bicarbonate and its prodn. method
Application Number: 92106310 Application Date: 1992.07.11
Publication Number: 1081434 Publication Date: 1994.02.02
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05C3/00,C05C7/00,C05D9/00,C05G3/08
Applicant(s) Name: Li Shichang Address: 110015
Inventor(s) Name:
Attorney & Agent: XU ZONGFU
Abstract:
     It is prepd. by mixing 90-99 parts of ammonium bicarbonate, 0.5-10 parts of dicyandiamide and 0.5-5 parts of zinc sulfate under normal pressure and temp. to a thoroughly homogeneous powder. Said ammonium bicarbonate can be fixed and absorbed by the soil and inhibited from nitration so that with reduced volatilization and loss; the fertilizer can maintain a longer effective period up to 90-120 days, a higher utility rate of the nitrogen content by 2-3 times than the original one but a reduced amount of fertilizer required by 30%.
Time: 4