Title: Long-efficacy fertilizer
Application Number: 85108881 Application Date: 1985.12.03
Publication Number: 1011338 Publication Date: 1987.06.03
Approval Pub. Date: Granted Pub. Date: 1989.07.05
International Classifi-cation: C05B19/00,C05C1/02,C05G3/00
Applicant(s) Name: Beijing Chemical Engineering College Address:
Inventor(s) Name:
Attorney & Agent: REN HONGWEI WEN XIHUA
Abstract:
     A long-efficacy mixed fertilizer is composed of plastics, fertilizers and various kinds of additives mixed together.
Time: 8