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Water soluble fertilizer containing high-concentration humic acid and preparation method thereof

A humic acid and water-soluble fertilizer technology, applied in fertilization devices, fertilizer mixtures, applications, etc., can solve problems that affect the use of water-soluble fertilizers, harm to the human body and the environment, and instability of colloidal bundles, and achieve a significant increase in production and income, balance acid Alkaline value, the effect of promoting absorption and utilization

Active Publication Date: 2015-02-11
陕西鼎天济农腐殖酸制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in order to further improve the application effect of humic acid-containing water-soluble fertilizers, existing manufacturers usually add a variety of plant growth hormones to the fertilizer components, and plant growth hormones are a low-toxicity pesticide. Environmental hazards are still controversial in academia
In addition, the colloid bundles containing humic acid water-soluble fertilizers are usually unstable, and precipitation and stratification will occur after long-term storage, which will affect the use effect of water-soluble fertilizers

Method used

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  • Water soluble fertilizer containing high-concentration humic acid and preparation method thereof
  • Water soluble fertilizer containing high-concentration humic acid and preparation method thereof
  • Water soluble fertilizer containing high-concentration humic acid and preparation method thereof

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Embodiment 1

[0026] In this embodiment, the water-soluble fertilizer containing high-concentration humic acid is made of the following raw materials in parts by weight: 19 parts of water-soluble humate, 21 parts of urea, 12 parts of dipotassium hydrogen phosphate, 10 parts of potassium acetate, 1.2 parts of borax, polygu 5 parts of amino acid, 2.5 parts of rhamnolipid, 8 parts of hydroxymethyl cellulose aqueous solution, 35 parts of water; the molecular weight of the polyglutamic acid is 7000Da; the hydroxymethyl cellulose in the hydroxymethyl cellulose aqueous solution The mass percentage content is 10%; The water-soluble humate is potassium humate.

[0027] The preparation method of the water-soluble fertilizer that the present embodiment contains high-concentration humic acid comprises the following steps:

[0028] Step 1. Add water-soluble humate and water into the reaction kettle, and stir for 1 hour at a temperature of 75° C. to obtain a humate solution;

[0029] Step 2. Add dipotas...

Embodiment 2

[0033] The water-soluble fertilizer containing high-concentration humic acid in this embodiment is made of the following raw materials in parts by weight: 21 parts of water-soluble humic acid salts, 19 parts of urea, 10 parts of dipotassium hydrogen phosphate, potassium acetate 12 parts, 0.8 part of borax, 8 parts of polyglutamic acid, 4 parts of rhamnolipids, 6 parts of hydroxymethylcellulose aqueous solution, 32 parts of water; The water-soluble humate is sodium humate; The molecular weight of amino acid is 8000Da; the mass percentage of hydroxymethylcellulose in the hydroxymethylcellulose aqueous solution is 9%.

[0034] The preparation method of the water-soluble fertilizer that the present embodiment contains high-concentration humic acid comprises the following steps:

[0035] Step 1. Add water-soluble humate and water into the reaction kettle, and stir for 1 hour at a temperature of 78° C. to obtain a humate solution;

[0036] Step 2. Add dipotassium hydrogen phosphate...

Embodiment 3

[0040] In this embodiment, the water-soluble fertilizer containing high-concentration humic acid is made of the following raw materials in parts by weight: 17 parts of water-soluble humate, 23 parts of urea, 13 parts of dipotassium hydrogen phosphate, 9 parts of potassium acetate, 1.6 parts of borax, polygu 2 parts of amino acid, 1.5 parts of rhamnolipid, 9 parts of hydroxymethyl cellulose aqueous solution, 38 parts of water; Described water-soluble humate is mixed by mass ratio 1:2 by potassium humate and sodium humate; The molecular weight of the polyglutamic acid is 5000Da; the mass percentage of hydroxymethylcellulose in the hydroxymethylcellulose aqueous solution is 11%.

[0041] The preparation method of the water-soluble fertilizer that the present embodiment contains high-concentration humic acid comprises the following steps:

[0042] Step 1. Add water-soluble humate and water into the reaction kettle, and stir for 1 hour at a temperature of 70° C. to obtain a humate ...

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Abstract

The invention provides a water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer comprises, by weight, 15-25 parts of a water soluble humic acid salt, 18-25 parts of urea, 9-15 parts of dipotassium hydrogen phosphate, 8-13 parts of potassium acetate, 0.5-2 parts of borax, 0.1-10 parts of polyglutamic acid, 1-5 parts of rhamnolipid, 5-10 parts of a hydroxymethyl cellulose aqueous solution and 30-40 parts of water. The water soluble fertilizer has humic acid content greater than or equal to 150g / L. The invention also provides a preparation method of the water soluble fertilizer containing high-concentration humic acid. The preparation method comprises the following steps of 1, carrying out heating stirring of the water soluble humic acid salt and water to obtain a humic acid salt solution, 2, adding dipotassium hydrogen phosphate, potassium acetate, borax, polyglutamic acid, rhamnolipid and urea into the humic acid salt solution, and carrying out heating stirring to obtain a mixed solution, and 3, carrying out emulsification of the hydroxymethyl cellulose aqueous solution and the mixed solution to obtain the water soluble fertilizer containing high-concentration humic acid. The water soluble fertilizer has obvious fertilizer efficiency, is environmentally friendly, stable and uniform and has a wide application range.

Description

technical field [0001] The invention belongs to the technical field of agricultural fertilizers, in particular to a water-soluble fertilizer containing high-concentration humic acid and a preparation method thereof. Background technique [0002] Due to the special molecular structure of humic acid, the fertilizer containing humic acid can improve the soil and stimulate the growth of crops. Compared with the humic acid solid fertilizer, the water-soluble fertilizer containing humic acid has obvious advantages of fast fertilizer efficiency, balanced nutrition, water saving and fertilizer saving, Easy to use and other advantages. [0003] However, in order to further improve the application effect of humic acid-containing water-soluble fertilizers, existing manufacturers usually add a variety of plant growth hormones to the fertilizer components, and plant growth hormones are a low-toxicity pesticide. Environmental hazards are still controversial in academic circles. In addit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 庄严陈养平
Owner 陕西鼎天济农腐殖酸制品有限公司
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