process for the manufacture of new products of the reaction of phosphoric acid, urea and ammonia, and their application as fertilizer

摘要

A process for obtaining, in the same manufacturing process, two different fertilizers, namely a solid or liquid fertilizer which is based on ammonium and urea polyphosphate and the solutions of which are clear and stable over a period of time, and a solid binary fertilizer (N,P) or solid ternary fertilizer (N, P, K) which is very concentrated and based on ammonium-urea phosphate.