Preparation method of granular calcium-magnesium-phosphorus fertilizer containing various trace elements
A technology of microelement granules and calcium-magnesium phosphate fertilizer, which is applied to phosphate fertilizers, fertilization devices, fertilizer mixtures, etc., can solve problems such as unsuitability and single fertilizer efficiency of calcium-magnesium-phosphate fertilizers, and achieve balanced nutrients, uniform particle size, and good disintegration performance
Inactive Publication Date: 2020-01-14
HUBEI FORBON TECH
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Abstract
The invention relates to a preparation method of a granular calcium-magnesium-phosphorus fertilizer containing various trace elements, wherein a calcium-magnesium-phosphorus fertilizer, zinc sulfate,manganese oxide and sodium borate are used as main raw materials, lignosulfonate is used as a binder, the mixed powder of 75-89 parts by mass of powdery calcium-magnesium-phosphorus fertilizer, 6-14 parts by mass of zinc sulfate, 1-4 parts by mass of manganese oxide and 0.1-1 part by mass of sodium borate is used as a dry material, 3-7 parts by mass of lignosulfonate is used as a binder, and granulation is performed to prepare the round-particle granular calcium-magnesium-phosphorus fertilizer containing various trace elements. According to the invention, the prepared granular calcium-magnesium-phosphorus fertilizer containing various trace elements has advantages of uniform particle size, smooth surface, high strength, favorable disintegration property, low cost and balanced nutrients.
Application Domain
Fertilisers by pryogenic processesFertilizer mixtures
Technology Topic
Manganese oxideLignosulfonates +7
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