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Humic-acid-containing water-soluble fertilizer and preparation method thereof

A technology of humic acid and water-soluble fertilizer, applied in the direction of ammonium nitrate fertilizer, nitrate fertilizer, ammonium orthophosphate fertilizer, etc., can solve the problems of poor product solubility restricting development and application, easy agglomeration, etc.

Inactive Publication Date: 2018-03-23
GUIYANG KAILIN FERTILIZER CO LTD
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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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  • Humic-acid-containing water-soluble fertilizer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A humic acid-containing water-soluble fertilizer is composed of the following raw materials in parts by mass: 500 g of humic acid, 30 g of ammonium nitrate, 15 g of urea, 10 g of phosphoric acid, 10 g of monoammonium phosphate, 10 g of potassium dihydrogen phosphate, 10 g of potassium nitrate, 1 g of magnesium sulfate, and calcium oxide 1g, zinc sulfate 1g, ferrous sulfate 1g, manganese sulfate 0.3g, copper sulfate 0.3g, boric acid 0.3g, ammonium molybdate 0.3g, complexing agent 0.8g.

[0029] The humic acid is an extract after furfural residue is fermented, including the following extraction steps:

[0030] 1) Furfural slag and crop straw are mixed according to a mass ratio of 30:9, crushed, and water is added to make a mixture with a water content of 60%, and piled up for fermentation to obtain fermented furfural slag;

[0031] 2) Mix the fermented furfural residue and clean water according to the mass ratio of 1:8.5, add potassium hydroxide, stir and react, let stand...

Embodiment 2

[0042] A humic acid-containing water-soluble fertilizer, consisting of the following raw materials in parts by mass: 530g of humic acid, 40g of ammonium nitrate, 17g of urea, 15g of phosphoric acid, 13g of monoammonium phosphate, 13g of potassium dihydrogen phosphate, 11g of potassium nitrate, 1.4g of magnesium sulfate, Calcium 1.2g, zinc sulfate 1.1g, ferrous sulfate 1.1g, manganese sulfate 0.7g, copper sulfate 0.5g, boric acid 0.5g, ammonium molybdate 0.4g, complexing agent 0.9g.

[0043] The humic acid is an extract after furfural residue is fermented, including the following extraction steps:

[0044] 1) Furfural slag and crop straw are mixed according to the mass ratio of 33:11, crushed, and water is added to make a mixture with a water content of 60%, and piled up for fermentation to obtain fermented furfural slag;

[0045] 2) Mix the fermented furfural residue and water according to the mass ratio of 1:8.5, add potassium hydroxide, stir and react, let stand for 13 hours...

Embodiment 3

[0056] A humic acid-containing water-soluble fertilizer is composed of the following raw materials in parts by mass: 550 g of humic acid, 50 g of ammonium nitrate, 20 g of urea, 20 g of phosphoric acid, 15 g of monoammonium phosphate, 15 g of potassium dihydrogen phosphate, 12 g of potassium nitrate, 1.8 g of magnesium sulfate, Calcium 1.3g, zinc sulfate 1.2g, ferrous sulfate 1.2g, manganese sulfate 1.0g, copper sulfate 0.8g, boric acid 0.8g, ammonium molybdate 0.8g, complexing agent 1g.

[0057] The humic acid is an extract after furfural residue is fermented, including the following extraction steps:

[0058] 1) Furfural slag and crop straw are mixed according to the mass ratio of 35:12, crushed, and water is added to make a mixture with a water content of 60%, and piled up for fermentation to obtain fermented furfural slag;

[0059] 2) Mix the fermented furfural residue and clean water according to the mass ratio of 1:8.5, add potassium hydroxide, stir and react, let stand ...

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Abstract

The invention belongs to the technical field of crop fertilizers, and particularly relates to a humic-acid-containing water-soluble fertilizer. The humic-acid-containing water-soluble fertilizer consists of the following raw materials in parts by mass: humic acid, ammonium nitrate, urea, phosphoric acid, monoammonium phosphate, potassium dihydrogen phosphate, potassium nitrate, magnesium sulfate,calcium oxide, zinc sulfate, ferrous sulfate, manganese sulfate, copper sulphate, boric acid, ammonium molybdate and a complexing agent. The prepared water-soluble fertilizer is good in solubleness, high in dissolving rate and high in humic acid rate, and is safe and efficient.

Description

technical field [0001] The invention belongs to the technical field of crop 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 rin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05B7/00C05G3/00C05G3/80C05B17/00C05C1/00C05C3/00C05C5/02C05C9/00C05D3/02C05D5/00C05D9/02C05F11/02
Inventor 项双龙吴有丽何润林徐立钦何花韩朝英王采艳
Owner GUIYANG KAILIN FERTILIZER CO LTD
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