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Chelated magnesium compound preparation and preparation method thereof

A compound preparation, chelated magnesium technology, applied in the direction of fertilizer mixture, organic fertilizer, nitrogen fertilizer, etc., can solve the problems of crop adverse effects, crop growth hindrance, waste of precious resources, etc., to improve crop quality, enhance activation, increase phosphorus The effect of the utilization

Pending Publication Date: 2020-10-20
张彦杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Potassium fertilizer has many benefits, but excessive application not only wastes precious resources, but also has adverse effects on crops, such as causing crops to resist magnesium, making it difficult or impossible to absorb it, and hindering the growth of crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The preparation method of the compound preparation of the chelated magnesium of the present embodiment may further comprise the steps:

[0024] 1) Dissolving magnesium nitrate in water and heating to 45°C;

[0025] 2) Add glutamic acid and humic acid to the solution obtained in step 1, and stir well until no solid remains.

[0026] Wherein: the weight ratio of magnesium nitrate, glutamic acid and humic acid is 10:1:1, and the magnesium element content in the compound preparation is 510g / L.

Embodiment 2

[0028] The preparation method of the compound preparation of the chelated magnesium of the present embodiment may further comprise the steps:

[0029] 1) Dissolving magnesium nitrate in water and heating to 45°C;

[0030] 2) Add glutamic acid and humic acid to the solution obtained in step 1, and stir well until no solid remains.

[0031] Wherein: the weight ratio of magnesium nitrate, glutamic acid and humic acid is 9:1:1.2, and the magnesium element content in the compound preparation is 508g / L.

Embodiment 3

[0033] The preparation method of the compound preparation of the chelated magnesium of the present embodiment may further comprise the steps:

[0034] 1) Dissolving magnesium nitrate in water and heating to 50°C;

[0035] 2) Add glutamic acid and humic acid to the solution obtained in step 1, and stir well until no solid remains.

[0036] Wherein: the weight ratio of magnesium nitrate, glutamic acid and humic acid is 10:0.8:0.8, and the magnesium element content in the compound preparation is 505g / L.

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Abstract

The embodiment of the invention discloses a chelated magnesium compound preparation and a preparation method thereof, and belongs to the technical field of fertilizers. The compound preparation is prepared from magnesium nitrate, glutamic acid and humic acid, the weight ratio of magnesium nitrate to glutamic acid to humic acid is (9-11): (0.8-1.2): (0.8-1.2), and the content of magnesium in the compound preparation is 500-510g / L. Glutamic acid and humic acid are used as chelating agents of the chelated magnesium compound preparation, the chelating performance on magnesium is good, and the utilization rate of chelated magnesium in the prepared compound preparation is high. Accelerated stability tests show that the reduction rate of the content of chelated magnesium in 90d is less than 3%, the chelated magnesium has good stability, and the problems of instability of application of a single magnesium element and antagonism with potassium in soil are solved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of fertilizers, in particular to a compound preparation of chelated magnesium and a preparation method thereof. Background technique [0002] Potassium is one of the three elements of fertilizers necessary for crop growth. Potassium, unlike nitrogen and phosphorus, is not a component of organic matter in crops. Potassium exists in the ionic state in the plant juice, or adsorbed on the surface of protoplasmic micelles. If the crops lack potassium fertilizer, they will suffer from "rickety disease", which is easy to fall, and is often troubled by germs and pests. Potassium fertilizer can be used as base fertilizer, topdressing fertilizer, and some varieties can also be used as foliar fertilizer. [0003] Magnesium is a medium element needed by plants. The mass fraction of magnesium in plants is 0.1-0.5%. It is the basic element of various enzymes in plants and an important compone...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G5/23
CPCC05C5/00C05G3/00C05G5/23C05C11/00C05F11/02
Inventor 张彦杰
Owner 张彦杰
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