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Water-soluble fertilizer containing humic acid and preparation method of fertilizer

A water-soluble fertilizer, humic acid technology, applied in nitrate fertilizer, ammonium orthophosphate fertilizer, alkaline orthophosphate fertilizer and other directions, can solve the problems of easy agglomeration, poor product solubility restricting development and application, etc. Enhance crop root vitality and optimize the effect of configuration

Inactive Publication Date: 2018-09-07
广州护地肥料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, water-soluble fertilizers on the market are divided into three product forms: liquid, crystal and powder. Compared with liquid products, solid water-soluble fertilizers have the advantages of lower product packaging and transportation costs, and are easy to be welcomed by customers, but they are easy to agglomerate, and the product Poor solubility restricts its development and application

Method used

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  • Water-soluble fertilizer containing humic acid and preparation method of fertilizer

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Embodiment 1

[0021] A humic acid-containing water-soluble fertilizer, comprising the following components by weight: 10 parts of urea, 20 parts of monoammonium phosphate, 30 parts of potassium nitrate, 20 parts of magnesium sulfate, 3 parts of zinc sulfate, 0.5 part of borax, 4 parts of EDTA iron, EDTA 0.5 parts of manganese, 0.5 parts of ammonium molybdate, 5 parts of potassium fulvic acid, 6.5 parts of potassium brown humate, 100 parts in total.

[0022] A preparation method containing humic acid water-soluble fertilizer, comprising the steps of:

[0023] S1. Add potassium fulvic acid and potassium brown humate into the mixer according to the formula ratio, then add urea, monoammonium phosphate, magnesium sulfate, zinc sulfate, borax and ammonium molybdate according to the formula ratio and continue stirring to obtain the mixture A;

[0024] S2. Add EDTA iron and EDTA manganese to mixture A according to the formula ratio and continue to stir evenly to obtain humic acid-containing water-s...

Embodiment 2

[0026] A humic acid-containing water-soluble fertilizer, comprising the following components by weight: 50 parts of urea, 5 parts of monoammonium phosphate, 10 parts of potassium nitrate, 5 parts of magnesium sulfate, 0.1 part of zinc sulfate, 4 parts of borax, 0.5 part of EDTA iron, EDTA 4 parts of manganese, 0.05 parts of ammonium molybdate, 16.35 parts of potassium fulvic acid, 5 parts of potassium brown humate, 100 parts in total.

[0027] See Example 1 for the preparation method.

Embodiment 3

[0029] A water-soluble fertilizer containing humic acid, comprising the following components by weight: 28.9 parts of urea, 8 parts of monoammonium phosphate, 12 parts of potassium nitrate, 8 parts of magnesium sulfate, 0.2 part of zinc sulfate, 0.6 part of borax, 1.2 parts of EDTA iron, EDTA 1 part of manganese, 0.1 part of ammonium molybdate, 20 parts of potassium fulvic acid, 20 parts of potassium brown humate, 100 parts in total.

[0030] See Example 1 for the preparation method.

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Abstract

The invention relates to water-soluble fertilizer containing humic acid. The fertilizer is prepared from, by weight, 10-50 parts of urea, 5-20 parts of monoammonium phosphate, 10-30 parts of potassiumnitrate, 5-20 parts of magnesium sulfate, 0.1-3 parts of zinc sulfate, 0.5-4 parts of borax, 0.5-4 parts of EDTA iron, 0.5-4 parts of EDTA manganese, 0.05-0.5 part of ammonium molybdate, 5-20 parts of potassium fulvic acid and 5-20 parts of brown potassium humate, wherein the total number is 100. The preparation method of the fertilizer comprises the following steps that potassium fulvic acid andbrown potassium humate are added into a stirrer according to a composition, then urea, monoammonium phosphate, magnesium sulfate, zinc sulfate, borax and ammonium molybdate are added according to thecomposition, stirring continues, and a mixed material A is obtained; EDTA iron and EDTA manganese are added to the mixed material A according to the composition, even stirring continues, and the water-soluble fertilizer containing humic acid can be obtained. The water-soluble fertilizer containing humic acid has high water dissolution amount and speed, and the problem of caking of solid fertilizer is solved.

Description

technical field [0001] The invention relates to the field of chemical fertilizers, in particular to a humic acid-containing water-soluble fertilizer and a preparation method thereof. Background technique [0002] my country is a large agricultural country with a large population. In order to increase food production, one of the effective means is to use fertilization. At present, fertilization in the world is mainly based on chemical fertilizers. However, due to long-term excessive or unreasonable application of chemical fertilizers, the proportion of nutrients in the soil is out of balance, resulting in soil compaction, reducing the utilization rate of fertilizers and the quality of agricultural products, and the use of chemical fertilizers Production and application will cause air and water pollution, causing great damage to the environment. [0003] Humic acid is a macromolecular organic substance that exists widely in nature. The basic structure is an aromatic ring and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/04C05G3/80
CPCC05B7/00C05G3/80C05C3/00C05C5/02C05C9/00C05D5/00C05D9/02C05F11/00C05F11/02
Inventor 廖玉庆
Owner 广州护地肥料科技有限公司
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