Title: Efficent composite poly element rare-earth biological fertilizer
Application Number: 91100836 Application Date: 1991.02.20
Publication Number: 1064263 Publication Date: 1992.09.09
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C05G1/00
Applicant(s) Name: Su Wenying Address: 100013
Inventor(s) Name: Su Wenying, Zhang Liping
Attorney & Agent:
Abstract:
     This efficient composite fertilizer is made of carbo-amine, potassium chloride, superphosphate, bacterial spawn and rare-eareh elements. It has proper ratio of N:P:K and is a comprehensive chemical fertilizer because it contains rare-earth element, bacterial spawn and trace elements, so benefiting the overall growth of crops, having no pollution to environment and improving ecological equilibrium.
Time: 9