Medium element effervescent fertilizer capable of being mixed with phosphorus-potassium fertilizer and containing calcium and magnesium elements and preparation method thereof

By developing a medium-element effervescent fertilizer with a total amount of calcium and magnesium, combined with appropriate formula ingredients, the problem that existing fertilizers cannot be mixed with phosphorus and potassium fertilizers is solved, and stable compounding and efficient fertilization are achieved.

CN119707565APending Publication Date: 2025-03-28ZHENGZHOU ZHENGSHI CHEMICAL CO LTD
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Patent Information

Application Number
CN202510051202.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing medium-element water-soluble fertilizer cannot be mixed with phosphorus and potassium fertilizers at the same time, resulting in precipitation, affecting fertilizer efficiency and equipment smoothness.

Method used

Develop a medium-element effervescent fertilizer with a total amount of calcium and magnesium content of 10-15%. By selecting appropriate magnesium sources, calcium sources, solid organic acids, fertilizer compatible agents, anti-caking agents, disintegrants and adsorbents, ensure that the system of the fertilizer is stable after mixing with phosphorus and potassium fertilizers and does not produce precipitation.

Benefits of technology

The stable mixing of effervescent fertilizer and phosphorus and potassium fertilizer is achieved, which avoids precipitation, improves fertilization efficiency, and facilitates field operations.

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Abstract

The invention provides a medium element effervescent fertilizer capable of being mixed with a phosphorus and potassium fertilizer and containing calcium and magnesium elements and a preparation method of the medium element effervescent fertilizer, and belongs to the technical field of agricultural fertilizers. The effervescent fertilizer comprises a magnesium source, a calcium source, solid organic acid, a fertilizer compatible agent, an anti-caking agent, a disintegrating agent and an adsorbent, the magnesium source is selected from one of anhydrous magnesium sulfate and magnesium acetate tetrahydrate, the calcium source is selected from one of calcium formate and calcium carbonate, and the solid organic acid is selected from one of citric acid and malic acid; in percentage by mass, the content of magnesium in the effervescent fertilizer is 2-5%, the content of calcium is 5-10%, the total content of calcium and magnesium is 10-15%, and the content of the solid organic acid is 27-63%. The effervescent fertilizer can realize simultaneous supplement of calcium and magnesium for plants, has good solubility, can be used together with phosphorus and potassium fertilizers by being mixed with water, is stable in system, does not generate precipitates, and does not block pipelines and nozzles.
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