Humic acid composition and application thereof

A humic acid and composition technology, applied in the field of humic acid composition, can solve the problems of small plant growth stimulation and low content of fulvic acid, and achieve the effects of reducing toxic substances, high content of phenolic hydroxyl groups, and reducing loss

Inactive Publication Date: 2016-10-19
SHANDONG TRALIN PAPER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the content of fulvic acid in the humic acid composition or fertilizer in the prior art is low, and has little stimulation effect on plant growth.

Method used

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  • Humic acid composition and application thereof
  • Humic acid composition and application thereof
  • Humic acid composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] (1) Take wheat straw, rice straw, corn stalk, sorghum, and reed respectively, and crush them to obtain grass slices with a length of 60 mm. Wash and remove sediment from the grass slices, dehydrate until the absolute dry matter content is greater than 15%, and add screw feed Press and continue to dehydrate to obtain plant straw raw materials with an absolute dry matter content of 35-45%;

[0096] (2) After mixing the plant straw raw material with the ammonium sulfite solution, continuously add it into the reactor, and at the same time continuously add the stock solution A at 90-105°C and the circulating stock solution B at 175°C. 18% of the mass, the amount of ammonium sulfite solution + stock solution A + circulating stock solution B is 6.5 times the absolute dry matter of plant straw raw materials, and the pressure in the reactor is 0.7 MPa;

[0097] (3) The temperature in the reactor was raised to 175° C. and then kept for 120 minutes to form slurry A;

[0098] (4) ...

Embodiment 2

[0107] (1) Take wheat straw, rice straw, corn stalk, sorghum, and reed respectively, and crush them to obtain grass slices with a length of 60 mm. Wash and remove sediment from the grass slices, dehydrate until the absolute dry matter content is greater than 15%, and add screw feed Press and continue to dehydrate to obtain plant straw raw materials with an absolute dry matter content of 35-45%;

[0108] (2) After mixing the raw material of plant straw, the mixed solution of potassium hydroxide and anthraquinone, the stock solution A is continuously added to the reactor, and at the same time, the stock solution B is continuously circulated at 175° C. 22%, the amount of anthraquinone is 0.06% of the absolute dry matter of plant straw raw materials, the consumption of the mixed solution of potassium hydroxide and anthraquinone + stock solution A + circulating stock solution B is 6.5 times of the absolute dry matter of plant straw raw materials, and the pressure in the reactor 0.7...

Embodiment 3

[0119] (1) Take wheat straw, rice straw, corn stalk, sorghum, and reed respectively, and crush them to obtain grass slices with a length of 60 mm. Wash and remove sediment from the grass slices, dehydrate until the absolute dry matter content is greater than 15%, and add screw feed Press and continue to dehydrate to obtain plant straw raw materials with an absolute dry matter content of 35-45%;

[0120] (2) After mixing the raw material of plant straw with sodium sulfite, sodium carbonate and anthraquinone, and the stock solution A at 90-105°C, they are continuously added to the reactor, and at the same time, the stock solution B at 175°C is added continuously, and the amount of sodium sulfite is: 14% of the absolute dry matter of plant straw raw materials, the consumption of sodium carbonate is 2% of the absolute dry matter of plant straw raw materials, and the consumption of anthraquinone is 0.05% of the absolute dry matter of plant straw raw materials, and sodium sulfite, so...

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Abstract

The invention relates to the field of fertilizers, and especially relates to a humic acid composition and an application thereof. The humic acid composition comprises fulvic acid, hymatomalenic acid, and pyrotomalenic acid; wherein the total amount of humic acid accounts for 25-55 parts by weight of the humic acid composition, the amount of fulvic acid accounts for 85-98wt% of the total amount of humic acid, and the content of phenolic hydroxyl groups in total humic acid is 0.76-2.42mmol/g. The humic acid composition has a high content of fulvic acid whose molecular weight is low and content of active functional groups is high, the content of the active group phenolic hydroxyl group is high in order to obviously promote germination effects of seeds; the composition can directly provide organic energy for soil microorganisms, improve crop plant nutrition and rhizosphere soil environment, promote proliferation of microorganisms, and delay decay rate of soil microorganisms, so that vigorous life activities of the soil microorganisms can be kept for a long time, and growth and development of crops are promoted.

Description

technical field [0001] The invention relates to the field of fertilizers, in particular to a humic acid composition and its application. Background technique [0002] Humic acid is a kind of organic substance with good physiological activity and functions of absorption, complexation and exchange, and has important application and development potential in agricultural production. Humic acid substances have the functions of improving soil physical and chemical properties, improving fertilizer use efficiency, stimulating crop growth, enhancing crop stress resistance, and improving the quality of agricultural products. The essence of humic acid is fulvic acid, which is high in quality, concentrated, and fully soluble. It is the most active, drought-resistant, and stress-resistant substance among humic acids. It can inhibit the dormancy of plants and make plants cycle continuously. Absorb various nutrients, enhance the physiological functions of plants, achieve rapid growth, opt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 李洪法宋明信郭良进杨茂峰毕衍金谭保才
Owner SHANDONG TRALIN PAPER
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