Granular Ca-Mg-P fertilizer

Abstract

A granular CaMgP fertilizer is prepared from ordinary CaMgP fertilizer through mixing it with the solution of magnesium sulfate and granulating. Its advantages are easy dissolving in water, easily releasing its active components, easy being assimilated, and durable fertility.

Description

1. Technical field

[0001] The invention relates to a granular calcium magnesium phosphate fertilizer. 2. Background technology

[0002] Calcium magnesium phosphate fertilizer is a commonly used chemical fertilizer, widely used, and its commercial properties are in the form of powder, so the dust will be scattered with the wind when applied, causing environmental pollution, fertilizer loss and waste, and increased labor intensity. The current solution is to add water before application or mix it with wet materials into granules before use. This method is obviously not an ideal method. The granules made by this method are easy to agglomerate after drying, the ingredients are not easy to release, the contents of various ingredients in the fertilizer are not accurate, and the quality standards are difficult to grasp. The Chinese invention patent application with the publication number of 1067045 discloses a granular phosphate fertilizer and its preparation method. Its main tech...