Sustained Release granular Fertilizer based on Ammonium phosphate.

摘要

Claim 1, characterized in that: a granular Fertilizer prepared by treating Phosphoric acid with Ammonia in the presence of an Alkaline Liquid resin, which is prepared by reacting formaldehyde, urea and Ammonium Optionally, where the Solids content of the liquid is such that The heat of reaction with Ammonium is sufficient to eliminate the residual Water in the liquid.