Chelated multielement medium-trace-element spraying fertilizer and preparation method thereof

A technology for chelating trace elements and medium and trace elements, which is applied in the direction of organic fertilizers, inorganic fertilizers, fertilization devices, etc., can solve the problems of lack of medium and trace elements, crop impact, and lack of due attention, so as to promote synthesis and promote Effects on growth and promotion of mass reproduction

Inactive Publication Date: 2019-04-05
江苏心实肥业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the application of fertilizers in my country, medium and trace elements are generally lacking, which has a serious impact on crops. As an essential element for plant growth, medium and trace e

Method used

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  • Chelated multielement medium-trace-element spraying fertilizer and preparation method thereof
  • Chelated multielement medium-trace-element spraying fertilizer and preparation method thereof
  • Chelated multielement medium-trace-element spraying fertilizer and preparation method thereof

Examples

Experimental program
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Effect test

Example Embodiment

[0040] Example 1

[0041] A chelated multi-element microelement spray fertilizer, which is characterized in that it is made of the following parts by weight of raw materials: 40 parts of EDTA chelated zinc, 40 parts of instant boron, 16 parts of EDTA chelated manganese, and composite EDTA chelated trace elements 32 parts, 19.2 parts of mineral fulvic acid, 176 parts of magnesium sulfate monohydrate.

[0042] The EDTA chelated zinc is prepared according to the following method:

[0043] (1) Add disodium EDTA, basic zinc carbonate and zinc nitrate hexahydrate to the reactor to dissolve in water, raise the temperature to 70°C, and filter out insoluble impurities after reacting for 1 hour; the disodium EDTA, basic zinc carbonate and The molar ratio of zinc nitrate hexahydrate is 1:0.8:0.2;

[0044] (2) Concentrate the filtrate in step (1), perform centrifugal separation when a large number of crystals appear, and dry and grind the separated crystals to obtain the finished product EDTA ch...

Example Embodiment

[0068] Example 2:

[0069] A spray fertilizer with chelated multi-element medium and trace elements, which is characterized in that it is made of the following parts by weight of raw materials: 50 parts of EDTA chelated zinc, 50 parts of instant boron, 20 parts of EDTA chelated manganese, and composite EDTA chelated trace elements 40 parts, 24 parts of mineral fulvic acid, 220 parts of magnesium sulfate monohydrate.

[0070] The EDTA chelated zinc is prepared according to the following method:

[0071] (1) Add disodium EDTA, basic zinc carbonate and zinc nitrate hexahydrate to the reactor to dissolve in water, raise the temperature to 70°C, and filter out insoluble impurities after reacting for 1 hour; the disodium EDTA, basic zinc carbonate and The molar ratio of zinc nitrate hexahydrate is 1:0.8:0.2;

[0072] (2) Concentrate the filtrate in step (1), perform centrifugal separation when a large number of crystals appear, and dry and grind the separated crystals to obtain the finishe...

Example Embodiment

[0096] Example 3:

[0097] A spray fertilizer with chelated multi-element middle and trace elements, which is characterized in that it is made of the following parts by weight of raw materials: 60 parts of EDTA chelated zinc, 60 parts of instant boron, 24 parts of EDTA chelated manganese, and composite EDTA chelated trace elements 48 parts, 28.8 parts of mineral fulvic acid, 264 parts of magnesium sulfate monohydrate.

[0098] The EDTA chelated zinc is prepared according to the following method:

[0099] (1) Add disodium EDTA, basic zinc carbonate and zinc nitrate hexahydrate to the reactor to dissolve in water, raise the temperature to 70°C, and filter out insoluble impurities after reacting for 1 hour; the disodium EDTA, basic zinc carbonate and The molar ratio of zinc nitrate hexahydrate is 1:0.8:0.2;

[0100] (2) Concentrate the filtrate in step (1), perform centrifugal separation when a large number of crystals appear, and dry and grind the separated crystals to obtain the finis...

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Abstract

The invention discloses chelated multielement medium-trace-element spraying fertilizer and a preparation method thereof. The chelated multielement medium-trace-element spraying fertilizer comprises, by weight, 40-60 parts of EDTA (ethylene diamine tetraacetic acid) chelated zinc, 40-60 parts of instant boron, 16-24 parts of EDTA chelated manganese, 32-48 parts of compound EDTA chelated trace elements, 19.2-28.8 parts of mineral fulvic acid and 176-264 parts of magnesium sulfate monohydrate. The chelated multielement medium-trace-element spraying fertilizer can provide crops with various mediumtrace elements needed for growth, enhance crop resistance, increase crop yield and increase crop activity; the chelated medium trace elements do not react with substances such as phosphate radicals and sulfate radicals in the soil, and accordingly, soil hardening can be reduced; the mineral fulvic acid can promote photosynthesis of the crops and improve soil nutrients and fertility.

Description

technical field [0001] The invention relates to a chelated multi-component trace element spraying fertilizer and a preparation method thereof, belonging to the technical field of fertilizer production. Background technique [0002] As an important part of the primary industry, agriculture is closely related to people's lives. Due to the huge population base and limited usable land area, coupled with urbanization, land pollution and other issues, people increase the crop yield by expanding the planting area with poor efficiency and high consumption. The correct way is to increase the output per unit planting area of ​​crops . Fertilization can not only improve soil fertility, but also an important measure to increase crop yield per unit area. Fertilizer is the most basic and most important material input in agricultural production. According to statistics from the Food and Agriculture Organization of the United Nations, chemical fertilizers account for about 40% to 60% of ...

Claims

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Application Information

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IPC IPC(8): C05G3/04C05G3/80
CPCC05D5/00C05G3/80C05D9/02C05F11/02
Inventor 罗国征
Owner 江苏心实肥业集团有限公司
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