Soil conditioner for improving stress resistance of crops

By combining soil conditioning agents with fermented nutrients and other ingredients, the problem of fertilizer residues in soil conditioning agents is solved, crop stress resistance and soil health are improved, and efficient soil improvement and environmental protection are achieved.

CN120464409APending Publication Date: 2025-08-12HAINAN TROPICAL OCEAN UNIV
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Patent Information

Application Number
CN202510610903.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2025-08-12

AI Technical Summary

Technical Problem

The existing soil conditioners have retention of fertilizers and pesticide residues in the process of improving the soil, resulting in soil degradation and secondary pollution, affecting the soil ecosystem, and reducing production capacity and quality.

Method used

Soil conditioning agents composed of fermented nutrients, urea, diammonium phosphate, potassium chloride, trace element compound fertilizer, humic acid fertilizer, biochar, gibberellin, chitin, Bacillus mega, Arthrobacterium aureus, Rhizobium Fichtch, Bacillus licheniformis and Acinetobacterium, promote plant growth and stress resistance by improving soil physical, chemical and biological properties.

Benefits of technology

Improve crop yield and quality, reduce soil diseases, improve the soil environment, degrade organic pollutants and heavy metals, and maintain the balance and health of the soil ecosystem.

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Abstract

The invention discloses a soil conditioner for improving crop stress resistance, and relates to the technical field of soil conditioners. The invention relates to a soil conditioner for improving the stress resistance of crops, which is used for improving the stress resistance of the crops. Comprising the following raw materials in parts by weight: 70-80 parts of fermented nutrient elements, 10-20 parts of urea, 15-30 parts of diammonium phosphate, 10-20 parts of potassium chloride, 30-50 parts of a trace element compound fertilizer, 40-60 parts of a humic acid fertilizer, 1-10 parts of charcoal, 10-20 parts of gibberellin, 10-20 parts of chitin, 10-20 parts of bacillus megatherium, 10-20 parts of arthrobacter chrysoflavus and 1-5 parts of Sinorhizobium freudeneri. 1 to 5 parts of bacillus licheniformis and 1 to 5 parts of acinetobacter.
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Description

Technical Field

[0001] The present invention relates to the technical field of soil conditioners, in particular to a soil conditioner for improving crop stress resistance. Background Art

[0002] Soil conditioners are materials used to improve the physical, chemical, and biological properties of soil. They can help improve soil structure, enhance soil fertility, and retain soil moisture. They are widely used in agriculture, horticulture, forestry, and gardening, helping to increase crop yields and improve the growing environment.

[0003] Chinese invention patent CN111763126A discloses a soil conditioner that improves crop stress resistance. The soil conditioner improves soil condition and enhances crop stress resistance, thereby comprehensively improving crop stress resistance from two aspects. The soil conditioner provided by the present invention first optimizes soil quality by regulating soil pH; secondly, it reduces the incidence of crop diseases and insect pests by inhibiting the activity of harmful organisms in the soil; thirdly, it reduces the water solubility of heavy metals in the soil by complexing them, thereby reducing the harm of heavy metals to crops; and simultaneously, by increasing the water-holding capacity of crop cells, it improves the absorption and conversion capacity of crop cells for required elements, promotes the synthesis of substances such as proline and superoxide dismutase, and improves the drought resistance, cold resistance, and heat resistance of crops.

[0004] However, when existing soil conditioners are used to improve the soil, a lot of fertilizer and pesticide residues will remain in the soil and cannot be decomposed, leading to increased soil degradation and even secondary pollution. Long-term application of soil conditioners will have a certain impact on the structure and function of the soil ecosystem, resulting in a decline in soil productivity and quality, and causing agricultural product safety issues. Therefore, a soil conditioner that improves crop resistance is needed. Summary of the Invention

[0005] The present invention provides a soil conditioner for improving crop stress resistance, so as to solve the problems in the background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a soil conditioner for improving crop stress resistance, characterized in that it comprises the following raw materials in parts by weight: 70-80 parts of fermentation nutrients, 10-20 parts of urea, 15-30 parts of diammonium phosphate, 10-20 parts of potassium chloride, 30-50 parts of trace element compound fertilizer, 40-60 parts of humic acid fertilizer, 1-10 parts of biochar, 10-20 parts of gibberellins, 10-20 parts of chitin, 10-20 parts of Bacillus megaterium, 10-20 parts of Arthrobacter aureus, 1-5 parts of Sinorhizobium freundii, 1-5 parts of Bacillus licheniformis, and 1-5 parts of Acinetobacter.

[0007] Furthermore, the fermentation nutrient element is a mixture of leaf mold and animal feces.

[0008] Furthermore, the biochar can increase the pH value in the soil, while increasing the organic matter and nutrient content in the soil, helping to improve the physical, chemical and biological properties of the soil.

[0009] Furthermore, the Bacillus megaterium has a rapid reproduction ability and can quickly establish a dominant bacterial community in the soil; it has strong adaptability to the environment and can survive and function under various soil conditions; it is safe for humans and animals, friendly to the environment, and does not cause pollution; it can dissolve ineffective phosphorus in the soil, promote plant nutrient absorption, and improve crop yield and quality; at the same time, it can also enhance the disease resistance of plants and reduce the occurrence of soil diseases.

[0010] Furthermore, the main components of the trace element compound fertilizer include trace elements such as boron, manganese, molybdenum, zinc, copper, and iron; each of these elements has its own unique function in the plant body.

[0011] Furthermore, the humic acid fertilizer is a fertilizer made from peat, lignite, weathered coal and the like as main raw materials, which is subjected to different chemical treatments or mixed with inorganic fertilizers; it is rich in humic acid and certain inorganic nutrients.

[0012] Furthermore, the Arthrobacter aureus is short rod-shaped, grows in aggregates, and proliferates by binary fission; it is a Gram-positive strain, is not acid-resistant, does not form spores, and has no proteolytic enzymes, but can secrete amylase, catalase, and oxidase; these characteristics give Arthrobacter aureus strong survival ability and adaptability in the soil environment; Arthrobacter aureus can survive and function under a variety of soil conditions, including different pH values, temperatures, and humidity; Arthrobacter aureus has important value in bioremediation, can adsorb heavy metals in the environment, degrade organic pollutants, and thus improve the soil environment; in addition, it can also improve soil fertility and crop resistance by promoting the balance of soil microbial communities.

[0013] Furthermore, the Sinorhizobium freundii can convert atmospheric nitrogen into ammoniacal nitrogen that can be used by plants through nitrogen fixation, thereby increasing the nitrogen content in the soil; as a type of soil microorganism, Sinorhizobium freundii is environmentally friendly, does not cause pollution, and can synergize with other soil microorganisms to promote the balance of the soil ecosystem; Sinorhizobium freundii has strong adaptability to the soil environment.

[0014] Furthermore, the Bacillus licheniformis is a Gram-positive rod-shaped bacterium that can produce endospores and has strong heat resistance and stress resistance; its cell morphology and arrangement are rod-shaped and solitary, and it has strong competition and colonization capabilities; Bacillus licheniformis can decompose fertilizer and pesticide residues, reduce pollutant emissions, and keep the agricultural environment clean and healthy; at the same time, it can also promote plant growth and increase crop yield and quality; Bacillus licheniformis is non-toxic and harmless to humans and animals, does not pollute the environment, and is an ideal biocontrol microorganism.

[0015] Furthermore, the Acinetobacter promotes the growth and development of plant roots and improves the plant's ability to absorb nutrients by producing plant growth hormones or other metabolites; through its metabolic activities, Acinetobacter contributes to the formation of soil aggregate structure, improving the air permeability and water retention of the soil; some strains of Acinetobacter have the ability to inhibit the growth of pathogens, reducing the occurrence of soil-borne diseases by competing for nutrients, space or producing antibacterial substances; in contaminated soil, Acinetobacter participates in the degradation process of pollutants, degrading organic pollutants or converting heavy metal ions, thereby contributing to the remediation of the soil environment.

[0016] Compared with the prior art, the present invention provides a soil conditioner for improving crop stress resistance, which has the following beneficial effects:

[0017] 1. This soil conditioner for improving crop stress resistance can quickly establish a dominant bacterial community in the soil by setting up Bacillus megaterium; it has strong adaptability to the environment and can survive and function under various soil conditions; it is safe for humans and animals, friendly to the environment, and does not cause pollution; it can dissolve ineffective phosphorus in the soil, promote plant nutrient absorption, and increase crop yield and quality; at the same time, it can also enhance plant disease resistance and reduce the occurrence of soil diseases.

[0018] 2. The soil conditioner for improving crop stress resistance is equipped with Arthrobacter aureus, which has strong survival ability and adaptability in the soil environment; Arthrobacter aureus can survive and function under a variety of soil conditions, including different pH values, temperatures and humidity; Arthrobacter aureus has important value in bioremediation, and can adsorb heavy metals in the environment and degrade organic pollutants, thereby improving the soil environment; in addition, it can also improve soil fertility and crop stress resistance by promoting the balance of soil microbial communities.

[0019] 3. The soil conditioner for improving crop stress resistance is equipped with Sinorhizobium freundii, which is environmentally friendly, does not cause pollution, and can synergize with other soil microorganisms to promote the balance of the soil ecosystem; Sinorhizobium freundii has strong adaptability to the soil environment.

[0020] 4. This soil conditioner, which improves crop stress resistance, can decompose fertilizer and pesticide residues, reduce pollutant emissions, and keep the agricultural environment clean and healthy by setting up Bacillus licheniformis. At the same time, it can also promote plant growth and increase crop yield and quality. Bacillus licheniformis is non-toxic and harmless to humans and animals and does not pollute the environment. It is an ideal biocontrol microorganism.

[0021] 5. This soil conditioner that improves crop stress resistance reduces the occurrence of soil-borne diseases by installing Acinetobacter, competing for nutrients, space or producing antibacterial substances. In contaminated soil, Acinetobacter participates in the degradation process of pollutants, degrading organic pollutants or converting heavy metal ions, thereby contributing to the repair of the soil environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the ratio of the present invention.

[0023] In the figure: 1. Fermentation nutrients; 2. Urea; 3. Diammonium phosphate; 4. Potassium chloride; 5. Trace element compound fertilizer; 6. Humic acid fertilizer; 7. Gibberellic acid; 8. Chitin; 9. Biochar; 10. Bacillus megaterium; 11. Arthrobacter aureus; 12. Sinorhizobium freundii; 13. Bacillus licheniformis; 14. Acinetobacter. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 The present invention discloses a soil conditioner for improving crop stress resistance, characterized in that it comprises the following raw materials in parts by weight: 1,70-80 parts of fermentation nutrients, 2,10-20 parts of urea, 3,15-30 parts of diammonium phosphate, 4,10-20 parts of potassium chloride, 5,30-50 parts of trace element compound fertilizer, 6,40-60 parts of humic acid fertilizer, 9,1-10 parts of biochar, 7,10-20 parts of gibberellins, 8,10-20 parts of chitin, 10,10-20 parts of Bacillus megaterium, 11,10-20 parts of Arthrobacter aureus, 12,1-5 parts of Sinorhizobium freundii, 13,1-5 parts of Bacillus licheniformis and 14,1-5 parts of Acinetobacter.

[0026] Specifically, the fermentation nutrient element 1 is a mixture of leaf mold and animal manure.

[0027] In this embodiment, the mixed use of leaf mold and animal manure can provide the soil with more organic matter and microorganisms. These microorganisms can change the physical structure and hydrological properties of the soil through their life activities, such as secreting organic acids and extracellular polymers, and affect the formation and stability of soil aggregates. At the same time, the metabolic products and activities of microorganisms can promote the weathering of insoluble minerals in the soil, release nutrients, and improve soil fertility.

[0028] Specifically, biochar9 can increase the pH value in the soil, while increasing the organic matter and nutrient content in the soil, helping to improve the physical, chemical and biological properties of the soil.

[0029] Specifically, Bacillus megaterium 10 has a rapid reproduction ability and can quickly establish a dominant bacterial community in the soil; it has strong adaptability to the environment and can survive and function under various soil conditions; it is safe for humans and animals, environmentally friendly, and does not cause pollution; it can dissolve ineffective phosphorus in the soil, promote plant nutrient absorption, and increase crop yield and quality; at the same time, it can also enhance plant disease resistance and reduce the occurrence of soil diseases.

[0030] Specifically, the main components of the trace element compound fertilizer 5 include trace elements such as boron, manganese, molybdenum, zinc, copper, and iron; each of these elements has its own unique function in the plant body.

[0031] In this embodiment, plant growth is promoted: trace elements are necessary for plant growth, and appropriate application can significantly increase the growth rate and biomass of plants; crop quality is improved: trace elements have an important impact on the quality of crops, increasing the sugar and vitamin content in plants, and improving the color and taste of fruits; stress resistance is enhanced: trace elements can enhance the stress resistance of plants, such as drought resistance, disease resistance, and cold resistance, and increase crop yield and stability.

[0032] Specifically, the humic acid fertilizer 6 is a fertilizer made from peat, lignite, weathered coal, etc. as main raw materials, which is subjected to different chemical treatments or mixed with inorganic fertilizers; it is rich in humic acid and certain inorganic nutrients.

[0033] In this embodiment, humic acid fertilizer 6 can promote the formation of soil aggregate structure, improve the soil's water and fertilizer retention and fertilizer supply performance, and reduce the toxicity of aluminum ions and excessive salt concentration; the humic acid fertilizer itself contains a certain amount of fast-acting nitrogen, phosphorus, potassium and some trace elements, and can promote the effectiveness of phosphorus, reduce phosphorus fixation, and improve the utilization rate of phosphate fertilizer; the humic acid fertilizer can enhance the activity of various enzymes, enhance the redox process in the plant body, promote seed germination, root growth, improve the root system's ability to absorb water and fertilizer, increase the number of shoots or branches, and mature early; humic acid can reduce the opening of plant leaves and the strength of the stomata. degree, reducing leaf transpiration, thereby reducing plant water consumption, improving the water status in the plant body and enhancing drought resistance; at the same time, humic acid has an inhibitory effect on fungi, which can enhance crop cold resistance and prevent diseases such as rot and root rot; humic acid can form complexes or chelates with trace elements, increase the amount of trace elements transported from roots to leaves or other parts, regulate the ratio and balance of major elements and trace elements, promote enzyme activity, convert polysaccharides into soluble monosaccharides, increase the synthesis and accumulation of starch, protein and fat substances, thereby improving crop yield and quality.

[0034] Specifically, Arthrobacter aureus 11 is short rod-shaped, grows in aggregates, and proliferates by binary fission; it is a Gram-positive strain, is not acid-resistant, does not form spores, and has no proteolytic enzymes, but can secrete amylase, catalase, and oxidase; these characteristics give Arthrobacter aureus 11 strong survival ability and adaptability in the soil environment; Arthrobacter aureus 11 can survive and function under a variety of soil conditions, including different pH values, temperatures, and humidity; Arthrobacter aureus 11 has important value in bioremediation, can adsorb heavy metals in the environment, degrade organic pollutants, and thus improve the soil environment; in addition, it can also improve soil fertility and crop resistance by promoting the balance of soil microbial communities.

[0035] Specifically, Sinorhizobium freundii 12 can convert atmospheric nitrogen into ammonia nitrogen that can be used by plants through nitrogen fixation, thereby increasing the nitrogen content in the soil; as a type of soil microorganism, Sinorhizobium freundii 12 is environmentally friendly, does not cause pollution, and can synergize with other soil microorganisms to promote the balance of the soil ecosystem; Sinorhizobium freundii 12 has strong adaptability to the soil environment.

[0036] Specifically, Bacillus licheniformis 13 is a Gram-positive rod-shaped bacterium that can produce endospores and has strong heat resistance and stress resistance; its cell morphology and arrangement are rod-shaped and solitary, with strong competition and colonization capabilities; Bacillus licheniformis 13 can decompose fertilizer and pesticide residues, reduce pollutant emissions, and keep the agricultural environment clean and healthy; at the same time, it can also promote plant growth and increase crop yield and quality; Bacillus licheniformis 13 is non-toxic and harmless to humans and animals, does not pollute the environment, and is an ideal biocontrol microorganism.

[0037] Specifically, Acinetobacter 14 promotes the growth and development of plant roots and improves the plant's ability to absorb nutrients by producing plant growth hormones or other metabolites; through its metabolic activities, Acinetobacter 14 helps form soil aggregate structure, improves soil permeability and water retention; some strains of Acinetobacter 14 have the ability to inhibit the growth of pathogens, reducing the occurrence of soil-borne diseases by competing for nutrients, space or producing antibacterial substances; in contaminated soil, Acinetobacter 14 participates in the degradation process of pollutants, degrading organic pollutants or converting heavy metal ions, thereby contributing to the remediation of the soil environment.

[0038] Raw material processing: the fermentable nutrient element 1 is processed and added to the fermentation agent, and the fermentation is carried out by controlling the temperature, humidity and ventilation conditions; during the fermentation process, microorganisms will decompose organic matter to produce humus and other beneficial components; after the fermentation is completed, the organic matter is further stabilized and becomes an organic fertilizer suitable for soil use; the decomposed organic fertilizer is dried to reduce the moisture content for easy storage and transportation; after drying, it is crushed as needed to obtain a particle size suitable for spreading; filtration and drying: after the reaction is completed, impurities and unreacted substances are removed by filtration; then Drying treatment is carried out to obtain inorganic soil conditioners suitable for soil use; microbial soil conditioners: Bacillus megaterium, Arthrobacter aureus 11, Sinorhizobium freundii 12, Bacillus licheniformis 13 and Acinetobacter 14, the selected microbial strains are cultured, and the temperature, pH value, nutrients and other conditions are controlled to promote the growth and reproduction of microorganisms; after the cultivation is completed, the active ingredients in the microorganisms and their metabolites are extracted through a specific process; if necessary, concentration treatment is carried out to increase the effective content of the product; the extracted and concentrated microbial conditioners are dried to reduce the moisture content and extend the shelf life; after drying, package it for easy storage and transportation, and mix the fermentation nutrient elements 1, urea 2, diammonium phosphate 3, potassium chloride 4, trace element compound fertilizer 5, humic acid fertilizer 6, gibberellin 7, chitin 8, biochar 9, Bacillus megaterium 10, Arthrobacter aureus 11, Sinorhizobium freundii 12, Bacillus licheniformis 13 and Acinetobacter 14 to form a soil conditioner; spread the prepared soil conditioner evenly on the soil surface, and then mix it into the soil by plowing or rotary tillage; when spreading, the reasonable amount and spreading method should be determined according to the soil conditions and crop needs. time; for liquid or soluble soil conditioners, they can be dissolved in water and then applied to the soil through the irrigation system; this method can ensure the uniform distribution of the conditioner in the soil and is conducive to the absorption and utilization of crops; in plots using drip irrigation systems, soil conditioners can be directly applied to the soil near the roots of crops through the drip irrigation system, and the amount and application position of the conditioner can be precisely controlled to improve utilization efficiency and reduce waste; soil conditioners can be mixed with conventional fertilizers or other soil improvers and then applied; thus, the advantages of various conditioners can be comprehensively utilized to improve soil fertility and crop yields.

[0039] In summary, the soil conditioner for improving crop stress resistance can quickly establish a dominant bacterial community in the soil by setting up Bacillus megaterium 10; it has strong adaptability to the environment and can survive and function under various soil conditions; it is safe for humans and animals, friendly to the environment, and will not cause pollution; it can dissolve ineffective phosphorus in the soil, promote plant nutrient absorption, and improve crop yield and quality; at the same time, it can also enhance the disease resistance of plants and reduce the occurrence of soil diseases; by setting up Arthrobacterium golden yellow 11, Arthrobacter golden yellow 11 has strong survival ability and adaptability in the soil environment; Arthrobacter golden yellow 11 can survive and function under a variety of soil conditions, including different pH values, temperatures and humidity; Arthrobacter golden yellow 11 has important value in bioremediation, can adsorb heavy metals in the environment, degrade organic pollutants, and thus improve the soil environment; in addition, it can also promote the balance of soil microbial communities balance, improving soil fertility and crop resistance; by setting up Sinorhizobium freundii 12, Sinorhizobium freundii 12 is environmentally friendly, does not cause pollution, and can synergize with other soil microorganisms to promote the balance of the soil ecosystem; Sinorhizobium freundii 12 has strong adaptability to the soil environment; by setting up Bacillus licheniformis 13, it can decompose fertilizer and pesticide residues, reduce pollutant emissions, and keep the agricultural environment clean and healthy; at the same time, it can also promote plant growth and increase crop yield and quality; Bacillus licheniformis 13 is non-toxic and harmless to humans and animals, does not pollute the environment, and is an ideal biocontrol microorganism; by setting up Acinetobacter 14, the occurrence of soil-borne diseases is reduced by competing for nutrients, space or producing antibacterial substances; in contaminated soil, Acinetobacter 14 participates in the degradation process of pollutants, degrading organic pollutants or converting heavy metal ions, thereby contributing to the restoration of the soil environment.

[0040] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A soil conditioner for improving crop stress resistance, characterized in that: The invention comprises the following raw materials in parts by weight: 70-80 parts of fermentation nutrient elements (1), 10-20 parts of urea (2), 15-30 parts of diammonium phosphate (3), 10-20 parts of potassium chloride (4), 30-50 parts of trace element compound fertilizer (5), 40-60 parts of humic acid fertilizer (6), 1-10 parts of biochar (9), 10-20 parts of gibberellins (7), 10-20 parts of chitin (8), 10-20 parts of Bacillus megaterium (10), 10-20 parts of Arthrobacter aureus (11), 1-5 parts of Sinorhizobium freundii (12), 1-5 parts of Bacillus licheniformis (13) and 1-5 parts of Acinetobacter (14).

2. A soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The fermentation nutrient element (1) is a mixture of leaf mold and animal feces.

3. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The biochar (9) can increase the pH value in the soil, while increasing the organic matter and nutrient content in the soil, and helps to improve the physical, chemical and biological properties of the soil.

4. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The Bacillus megaterium (10) has a rapid reproduction ability and can quickly establish a dominant bacterial population in the soil; it has strong adaptability to the environment and can survive and function under various soil conditions; It is safe for humans and animals, friendly to the environment, and does not cause pollution; it can dissolve ineffective phosphorus in the soil, promote plant nutrient absorption, and increase crop yield and quality; at the same time, it can also enhance the disease resistance of plants and reduce the occurrence of soil diseases.

5. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The main components of the trace element compound fertilizer (5) include trace elements such as boron, manganese, molybdenum, zinc, copper, and iron; each of these elements has its own unique function in the plant body.

6. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The humic acid fertilizer (6) is a fertilizer made from peat, lignite, weathered coal and the like as main raw materials, which is subjected to different chemical treatments or mixed with inorganic fertilizers; it is rich in humic acid and certain inorganic nutrients.

7. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The Arthrobacter aureus (11) is short rod-shaped, aggregates, and proliferates by binary fission; it is a Gram-positive strain, is not acid-resistant, does not produce spores, and has no proteolytic enzymes, but can secrete amylase, catalase, and oxidase; these characteristics make Arthrobacter aureus (11) have strong survival ability and adaptability in the soil environment; Arthrobacter aureus (11) can survive and function under a variety of soil conditions, including different pH values, temperatures, and humidity; Arthrobacter aureus (11) has important value in bioremediation, can adsorb heavy metals in the environment, degrade organic pollutants, and thus improve the soil environment; in addition, it can also improve soil fertility and crop resistance by promoting the balance of soil microbial communities.

8. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The Sinorhizobium freundii (12) can convert atmospheric nitrogen into ammonia nitrogen that can be used by plants through nitrogen fixation, thereby increasing the nitrogen content in the soil; as a type of soil microorganism, Sinorhizobium freundii (12) is environmentally friendly, does not cause pollution, and can synergize with other soil microorganisms to promote the balance of the soil ecosystem; Sinorhizobium freundii (12) has strong adaptability to the soil environment.

9. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The Bacillus licheniformis (13) is a Gram-positive rod-shaped bacterium that can produce endospores and has strong heat resistance and stress resistance; its cell morphology and arrangement are rod-shaped and solitary, and it has strong competition and colonization capabilities; Bacillus licheniformis (13) can decompose fertilizer and pesticide residues, reduce pollutant emissions, and keep the agricultural environment clean and healthy; at the same time, it can also promote plant growth and improve crop yield and quality; Bacillus licheniformis (13) is non-toxic and harmless to humans and animals, does not pollute the environment, and is an ideal biocontrol microorganism.

10. The soil conditioner for improving crop stress resistance according to claim 1, characterized in that: The Acinetobacter (14) promotes the growth and development of plant roots and improves the plant's ability to absorb nutrients by producing plant growth hormones or other metabolites; through its metabolic activity, Acinetobacter (14) contributes to the formation of soil aggregate structure and improves the air permeability and water retention of the soil; some strains of Acinetobacter (14) have the ability to inhibit the growth of pathogens and reduce the occurrence of soil-borne diseases by competing for nutrients, space or producing antibacterial substances; in contaminated soil, Acinetobacter (14) participates in the degradation process of pollutants, degrading organic pollutants or converting heavy metal ions, thereby contributing to the restoration of the soil environment.

Citation Information

Patent Citations

  • Soil conditioner for improving stress resistance of crops, and preparation method thereof

    CN111763126A