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Chelation state water solution zinc fertilizer

A chelated, water-based technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve the problems of low chelated zinc content, increase production costs, and cannot solve the problem of zinc deficiency in new tissues, and achieve high zinc content, The effect of high absorption rate

Inactive Publication Date: 2007-10-24
董吉山
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the zinc fertilizers used in agricultural production are inorganic powder fertilizers, such as zinc sulfate; after the zinc sulfate zinc fertilizer is dissolved in water, the zinc leaves the surface and becomes a positive charge, which is quickly absorbed by the leaf surface and crops after spraying on the crops The large amount of negative charge in the body is fixed and cannot flow normally in the crop body, which is not conducive to the full absorption of the crop, so it cannot solve the problem of zinc deficiency in the new crop tissue; and because the content of chelated zinc composed of zinc sulfate is low, it cannot be used alone. Zinc supplements can only be used in combination with other micro-fertilizers. To increase the content, it is generally necessary to make a powder through technical means, so the production cost is increased.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Add 35 kg of water to the reactor, add 10 kg of sodium hydroxide under stirring, add 40 kg of ethylenediaminetetraacetic acid under heating of the reactor, and gradually add 15 kg of ethylenediaminetetraacetic acid when the temperature in the reactor reaches 50 degrees Zinc oxide, react for 3 to 8 hours depending on the temperature, until the product is completely clear. At this time, the zinc content of the finished product is about 9.5% (weight to volume ratio), if you need to increase the zinc content, you can heat and concentrate, if you need to reduce the content, add water dilution.

Embodiment 2

[0018] Embodiment 2: Add 40 kilograms of water in the reactor, add 12 kilograms of sodium hydroxide under agitation, add 35 kilograms of ethylenediaminetetraacetic acid under the heating state of the reactor, when the temperature in the reactor reaches 50 degrees, gradually Add 12 kg of zinc oxide and react for 3 to 8 hours depending on the temperature until the product is completely clear. At this time, the zinc content of the finished product is about 9.5% (weight to volume ratio). If you need to increase the zinc content, you can heat and concentrate it. To reduce the content, dilute with water.

Embodiment 3

[0019] Embodiment 3: add 46 kilograms of water in reactor, add the potassium hydroxide of 14 kilograms under stirring state, add the disodium salt of ethylenediaminetetraacetic acid of 28 kilograms under the heating state of reactor, when temperature in reactor reaches 50 Gradually add 12 kg of zinc oxide when the temperature is high, and react for 3 to 8 hours depending on the temperature, until the product is completely clear. At this time, the zinc content of the finished product is about 9.5% (weight to volume ratio). If you need to increase the zinc content, you can heat and concentrate If the content needs to be reduced, dilute with water.

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Abstract

The invention discloses a chelated aqua zinc fertile, which comprises the following parts: 35-55kg water, 10-15kg hydroxide, 25-46kg chelant, 7-15kg inorganic zinc, wherein each component is blended evenly to react 3-8h under 50-120 deg. c to produce the product. The invention improves zinc content and crop adsorbing rate, which saves cost.

Description

Technical field: [0001] The invention relates to a zinc fertilizer, in particular to a chelated water-based zinc fertilizer. Background technique: [0002] At present, most of the zinc fertilizers used in agricultural production are inorganic powder fertilizers, such as zinc sulfate; after the zinc sulfate zinc fertilizer is dissolved in water, the zinc leaves the surface and becomes a positive charge, which is quickly absorbed by the leaf surface and crops after spraying on the crops The large amount of negative charge in the body is fixed and cannot flow normally in the crop body, which is not conducive to the full absorption of the crop, so it cannot solve the problem of zinc deficiency in the new crop tissue; and because the content of chelated zinc composed of zinc sulfate is low, it cannot be used alone. Zinc supplements can only be used in combination with other micro-fertilizers. If the content is to be increased, it is generally necessary to make a powder through te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05D9/00
Inventor 董吉山
Owner 董吉山
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