Preparation method of amino acid liquid fertilizer

By optimizing the formulation and process of amino acid liquid fertilizer, and adding nutrient solution, liquid amino acids, boric acid, zinc sulfate and root promoter, the problem of insufficient trace elements in existing amino acid liquid fertilizers has been solved, achieving continuous support for crop growth and improved yield and quality.

CN120965403APending Publication Date: 2025-11-18YUNNAN ZHONGNONG JUNFA BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511164688.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-20
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Existing amino acid liquid fertilizers have low micronutrient content, which cannot fully meet the growth needs of crops, and their fertility is weak and their effect is short-lived.

Method used

By optimizing the formula of amino acid liquid fertilizer, adding nutrient solution, liquid amino acids, boric acid, zinc sulfate and root promoter, and combining specific fermentation and grinding processes, a liquid fertilizer rich in trace elements is prepared to meet the long-term growth needs of crops.

Benefits of technology

It improves the utilization rate of amino acids, boron, and zinc by crops, promotes plant growth, improves crop yield and quality, and achieves precise application of integrated water and fertilizer.

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Abstract

The invention provides a preparation method of an amino acid liquid fertilizer, and relates to the technical field of amino acid liquid fertilizers. According to the preparation method of the amino acid liquid fertilizer, the amino acid liquid fertilizer is prepared from the following raw materials in parts by mass: 550-650 parts of a nutrient solution, 350-400 parts of liquid amino acid, 60-70 parts of boric acid, 50-60 parts of zinc sulfate and 5-6 parts of a root growth promoting agent. The amino acid is combined with the boric acid and the zinc sulfate, and then is combined with the root growth promoting agent, so that the liquid fertilizer capable of meeting the crop rooting requirement can be prepared, and the defects that the liquid fertilizer applied in the existing production is low in amino acid, boron and zinc content, cannot completely meet the requirements of crop growth and is short in fertilizer efficiency lasting period are overcome. Amino acid is used as a main material and matched with other boron and zinc elements to be fully dissolved, auxiliaries are added, crops can better absorb the amino acid, boron and zinc for use, the utilization rate is increased, plant growth is promoted, the crop yield is improved, and precise application of water and fertilizer integration is matched.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of amino acid liquid fertilizer, in particular to a preparation method of amino acid liquid fertilizer. BACKGROUND

[0002] The amino acid liquid fertilizer is a liquid fertilizer taking amino acid as a main active ingredient. The fertilizer can stimulate the root growth of plants by using the characteristic that amino acid is easy to be absorbed by plants, so as to promote the nutrient demand of crops and further promote the growth of crops.

[0003] The existing amino acid liquid fertilizer has low internal trace element content and weak fertility, so that the growth of crops cannot be completely satisfied, and the amino acid liquid fertilizer needs to be scattered multiple times. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the defects of the prior art, the application provides a preparation method of amino acid liquid fertilizer, which solves the problem that the amino acid liquid fertilizer cannot satisfy the long-term adsorption of crops.

[0006] (II) Technical scheme

[0007] In order to achieve the above object, the application is implemented by the following technical scheme: an amino acid liquid fertilizer is composed of the following raw materials in mass fraction:

[0008] 550-650 parts of nutrient solution, 350-400 parts of liquid amino acid, 60-70 parts of boric acid, 50-60 parts of zinc sulfate and 5-6 parts of root growth agent.

[0009] Preferably, the nutrient solution is one or more of beef bone soup, pork bone soup, mutton bone soup and chicken bone soup, the nutrient solution is desalted and deoiled, the bone is ground into 20-30 mesh in the nutrient solution, and the insoluble content in the nutrient solution is 10%-25%.

[0010] Preferably, the amino acid content of the liquid amino acid is 35%-40%, and the preparation process of the liquid amino acid is as follows:

[0011] Corn starch and glucose are used as carbon sources in a mass ratio of 5:1, 0.1% of glutamic acid coryneform bacteria and 15% of ammonium sulfate and 15% of urea are added, the sugar concentration of the carbon source is 80-100 grams per liter, fermentation is carried out at 30-32 degrees Celsius, the acid and alkali concentration is adjusted to 7.0-7.2 by adding acid and alkali, and the fermentation is carried out for 40-60 hours, and then the liquid amino acid is obtained through sterilization.

[0012] Preferably, the concentration of the root growth agent is 0.05%, and the root growth agent is naphthalene acetic acid.

[0013] Preferably, the liquid amino acid can also be 20%-60% of the amino acid fermentation broth, the amino acid fermentation broth is taken from one of the molasses fermentation broth of lysine factory or the molasses fermentation broth used in monosodium glutamate factory or a mixed liquid.

[0014] Preferably, an amino acid liquid fertilizer is composed of the following raw materials in mass fraction: nutrient solution 550 parts, liquid amino acid 350 parts, boric acid 60 parts, zinc sulfate 50 parts, and root agent 5 parts.

[0015] Preferably, an amino acid liquid fertilizer is composed of the following raw materials in mass fraction:

[0016] Preferably, an amino acid liquid fertilizer is composed of the following raw materials in mass fraction: nutrient solution 550 parts, liquid amino acid 350 parts, boric acid 60 parts, zinc sulfate 50 parts, and root agent 5 parts.

[0017] Preferably, an amino acid liquid fertilizer is composed of the following raw materials in mass fraction:

[0018] Step one, the nutrient solution is passed through a 20-30 mesh screen, and then the liquid amino acid, boric acid, zinc sulfate and root agent are added together into a reaction kettle, the reaction kettle is stirred for 30 minutes in an environment of 25-35 degrees Celsius, and then is left for half an hour after the stirring is completed, after the standing, grinding is performed through a grinder, and after the grinding, screening is performed through a 20-30 mesh screen to obtain the liquid fertilizer;

[0019] Step two, the liquid fertilizer in step one is subjected to nutrient component detection, and after the detection is completed, plastic barrels are used for filling, the specification of the filling is 5-15 kilograms per barrel, and an amino acid liquid fertilizer product is obtained.

[0020] Preferably, an amino acid liquid fertilizer is composed of the following raw materials in mass fraction:

[0021] (Three) beneficial effects

[0022] The application provides a preparation method of an amino acid liquid fertilizer.

[0023] The application can manufacture a liquid fertilizer meeting the needs of crop rooting by combining amino acid with boric acid and zinc sulfate, and further combining a root agent, overcomes the deficiencies of the existing liquid fertilizer applied in production, i.e. low content of amino acid, boron and zinc, which cannot completely meet the needs of crop growth, and short duration of fertilizer effect. The application uses amino acid as the main material, and combines other boron and zinc elements to make them fully dissolved, and adds an additive to better enable crops to absorb amino acid, boron and zinc, improve the utilization rate, promote plant growth, improve crop yield and quality, and realize precise application of water and fertilizer integration. Specific implementation

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0025] Embodiment one:

[0026] The amino acid liquid fertilizer provided by the embodiments of the present application is composed of the following raw materials in mass fraction:

[0027] The nutrient liquid 550 parts, the liquid amino acid 350 parts, the boric acid 70 parts, the zinc sulfate 60 parts, and the root agent 6 parts; the nutrient liquid is prepared by boiling cow bones, and contains various nutrient elements and multiple organic matters, so as to meet the absorption of various trace elements of crops; the nutrient liquid prepared by boiling animals is more suitable for the absorption of plant root systems, meets the energy supply of plants, the liquid amino acid can provide amino acid energy for plants, the boric acid can provide boron elements for crops, boron is one of the most widely used trace nutrient elements, and the commonly used boron fertilizers in fruit tree production are boric acid and borax; the conventional boron fertilizer refers to boron chemical products such as borax, boric acid and boron-magnesium fertilizer as trace element fertilizers for agriculture; boron is one of the essential nutrient elements for plants, is absorbed and utilized in the form of boric acid molecules (H3BO3), and is not easy to move in the plant body. Boron can promote root growth, has an important role in the synthesis and transport of photosynthetic products-carbohydrates, and has a special role in the normal performance of the fertilization process. The zinc sulfate can provide zinc elements for plants, facilitates the nutrient supply of plants, the root agent is a plant hormone, and after being absorbed by plants, can promote the development and growth of root systems, facilitates the nutrient absorption of plants, and the larger the plant root system, the larger the plant can grow.

[0028] The nutrient liquid is one or several of cow bone soup, pig bone soup, sheep bone soup and chicken bone soup, the nutrient liquid is desalted and deoiled, the bone in the nutrient liquid is crushed into 30 meshes by a grinder, and the insoluble content in the nutrient liquid is 10%.

[0029] The amino acid content of the liquid amino acid is 35%, and the preparation process of the liquid amino acid is as follows:

[0030] Corn starch and glucose are used as carbon sources in a mass ratio of 5:1, 0.1% of corynebacterium glutamicum and 15% of ammonium sulfate and 15% of urea are added, the sugar concentration of the carbon source is 80 grams per liter, fermentation is carried out at an environment of 30 degrees Celsius, the acid-base concentration is adjusted to 7.0 by adding acid and alkali, and after 60 hours of fermentation, the liquid amino acid is obtained through sterilization.

[0031] The concentration of the root agent is 0.05%, and the root agent is naphthalene acetic acid.

[0032] The liquid amino acid can also be 20% of an amino acid fermentation liquor, one of a molasses fermentation liquor from a lysine factory or a molasses fermentation liquor for a monosodium glutamate factory, or a mixed liquor.

[0033] Nutrient solution 550 parts, liquid amino acid 350 parts, boric acid 60 parts, zinc sulfate 50 parts, root stimulator 5 parts, amino acid, which must be mineralized to convert into simple inorganic nitrogen to be absorbed by plants. However, with more and more experimental evidence emerging, we find that plants can effectively absorb amino acids as a source of nutritional nitrogen in many soil systems, especially in nitrogen-poor soils, where amino acids play an important role. Alanine can increase chlorophyll synthesis, regulate stomatal opening, and help resist pathogens. Arginine promotes root development, is an important precursor for polyamine synthesis, and improves plant resistance to salt stress. Aspartic acid helps seed germination and provides essential nitrogen sources for plants under stress. Cysteine is essential for maintaining cell function as an antioxidant of sulfur, protecting plants from oxidative damage. Glutamic acid promotes photosynthesis in leaves by reducing nitrate content. Glycine has a unique effect on photosynthesis, increasing sugar content and improving crop quality. Histidine is involved in regulating stomatal opening and providing precursors for the synthesis of carbon skeleton hormones. Isoleucine and leucine can enhance plant resistance to salt stress and improve pollen viability. Lysine promotes chlorophyll synthesis and enhances plant drought tolerance. Methionine is an important precursor for polyamine synthesis and is essential for plant growth and development. Phenylalanine helps synthesize lignin, which is a precursor of anthocyanins, and has an impact on plant pigmentation and defense responses. Proline increases plant resistance to osmotic stress, improves stress tolerance, and increases pollen viability. Serine is involved in the differentiation process of cell tissue and promotes seed germination. Threonine helps improve plant tolerance and resistance to disease and insect damage. Tryptophan is a precursor for the synthesis of auxin indole acetic acid, which promotes the synthesis of aromatic compounds. Tyrosine increases plant drought tolerance and improves pollen germination rate. Valine has a positive impact on improving seed germination rate and improving crop flavor.

[0034] Nutrient solution 550 parts, liquid amino acid 400 parts, boric acid 60 parts, zinc sulfate 60 parts, root stimulator 6 parts, this formula can mainly provide rich boron and zinc elements to promote crop growth.

[0035] Example two:

[0036] The application provides a preparation method of an amino acid liquid fertilizer, which comprises the following steps:

[0037] Step one, the nutrient solution is passed through a 30 mesh screen, then the liquid amino acid, boric acid, zinc sulfate and root agent are added together into the reaction kettle, the reaction kettle is stirred for 30 minutes under the environment of 35 degrees Celsius, after the stirring is finished, it is placed for half an hour, after the placement, grinding is carried out through a grinder, after the grinding, screening is carried out through a 30 mesh screen, the liquid fertilizer is obtained;

[0038] Step two, the liquid fertilizer in step one is subjected to nutrient component detection, after the detection is finished, it is filled in a plastic bucket, the specification of filling is 5-15 kilograms per bucket, the amino acid liquid fertilizer product is obtained;

[0039] This is a normal production formula of the liquid fertilizer, which can well guarantee the quality of the liquid fertilizer, and the grinding can guarantee that the liquid fertilizer can flow better when the liquid fertilizer is applied to crops with water.

[0040] Example three:

[0041] The application provides the use of the amino acid liquid fertilizer, the amino acid liquid fertilizer is mixed with water and applied to the root of crops when the crops are watered.

[0042] Although the embodiments of the application have been shown and described, it is to be understood that the application is not limited to these embodiments. It will be obvious to a person skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirit of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. An amino acid liquid fertilizer, characterized by: It is composed of the following raw materials in mass fraction: Nutrient solution 550-650 parts, liquid amino acid 350-400 parts, boric acid 60-70 parts, zinc sulfate 50-60 parts, and root agent 5-6 parts.

2. The amino acid liquid fertilizer according to claim 1, characterized by: The nutrient solution is one or several of the following: beef bone soup, pork bone soup, mutton bone soup, and chicken bone soup, wherein the nutrient solution is desalted and deoiled, the bone is ground into 20-30 mesh by a grinder, and the insoluble content in the nutrient solution is between 10% and 25%.

3. The amino acid liquid fertilizer according to claim 1, characterized by: The amino acid content of the liquid amino acid is 35%-40%, and the preparation process of the liquid amino acid is as follows: Corn starch and glucose are used as carbon sources in a mass ratio of 5:1, 0.1% of corynebacterium glutamicum and 15% of ammonium sulfate and 15% of urea are added, the sugar concentration of the carbon source is 80-100 grams per liter, the fermentation is carried out at 30-32 degrees Celsius, the acid-base concentration is adjusted to 7.0-7.2 by adding acid and base, the fermentation is carried out for 40-60 hours, and then the liquid amino acid is obtained by sterilization.

4. The amino acid liquid fertilizer of claim 1, wherein: The concentration of the root agent is 0.05%, and the root agent is naphthalene acetic acid.

5. The amino acid liquid fertilizer of claim 1, wherein: The liquid amino acid can also be 20%-60% of an amino acid fermentation liquor, which is obtained from one or a mixture of molasses fermentation liquor from a lysine factory or molasses fermentation liquor from a monosodium glutamate factory.

6. The amino acid liquid fertilizer according to claim 1, characterized in that: Nutrient solution 550 parts, liquid amino acid 350 parts, boric acid 60 parts, zinc sulfate 50 parts, and root agent 5 parts.

7. The amino acid liquid fertilizer according to claim 1, characterized in that: Nutrient solution 550 parts, liquid amino acid 400 parts, boric acid 60 parts, zinc sulfate 60 parts, and root agent 6 parts.

8. The method for preparing the amino acid liquid fertilizer according to any one of claims 1-7, characterized in that: The method comprises the following steps: Step one: pass the nutrient solution through a 20-30 mesh sieve, then add the liquid amino acid, boric acid, zinc sulfate, and root agent into a reaction kettle, stir the mixture in the reaction kettle at 25-35 degrees Celsius for 30 minutes, let it stand for half an hour after the stirring is completed, then grind it by a grinder, and sieve it through a 20-30 mesh sieve after the grinding, to obtain the liquid fertilizer; Step two: detect the nutrient components of the liquid fertilizer in step one, then fill it into plastic barrels after the detection is completed, and the specification of the filling is 5-15 kilograms per barrel, to obtain the amino acid liquid fertilizer product.

9. Use of an amino acid liquid fertilizer according to any one of claims 1 to 8, characterized in that: When the crops are watered, the amino acid liquid fertilizer mixed with water is applied to the roots of the crops.