Search

CN-122004260-A - Soil restoration agent and preparation method and application thereof

CN122004260ACN 122004260 ACN122004260 ACN 122004260ACN-122004260-A

Abstract

The application provides a soil restoration agent, a preparation method and application thereof, and relates to the technical field of soil restoration. The soil remediation agent comprises 15-20 parts of microbial agent, 20-25 parts of humic acid, 15-20 parts of fulvic acid, 5-10 parts of soybean meal extract, 1-1.5 parts of seaweed extract and 20-25 parts of plant extract, wherein the microbial agent comprises a kernel composed of straw biochar and composite bacterial liquid, and a shell formed by polyethylene glycol monomethyl ether modified chitosan, sodium laurate and sodium tripolyphosphate, and the composite bacterial liquid comprises bacillus thuringiensis bacterial liquid and beauveria bassiana bacterial liquid with the volume ratio of 10 (5-8). The soil restoration agent can improve the soil structure, relieve acidification hardening, effectively resist diseases for a long time, fundamentally improve the physicochemical properties and the micro-ecological environment of the ginger continuous cropping soil and realize comprehensive restoration.

Inventors

  • FANG HAO
  • LIU TINGTING
  • FANG YONGSHENG

Assignees

  • 潍坊绿威特生物工程有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. The soil restoration agent is characterized by comprising, by mass, 15-20 parts of microbial agents, 20-25 parts of humic acid, 15-20 parts of fulvic acid, 5-10 parts of bean pulp extracts, 1-1.5 parts of seaweed extracts and 20-25 parts of plant extracts, wherein the microbial agents comprise an inner core composed of straw charcoal and a composite bacterial liquid, and an outer shell composed of polyethylene glycol monomethyl ether modified chitosan, sodium laurate and sodium tripolyphosphate, the composite bacterial liquid comprises bacillus thuringiensis bacterial liquid and beauveria bassiana bacterial liquid with the volume ratio of 10 (5-8), and the plant extracts are at least one selected from curcuma zedoary extract, garlic extract and mugwort leaf extract.
  2. 2. The soil remediation agent according to claim 1, wherein the effective viable count of bacillus thuringiensis bacteria liquid in the composite bacteria liquid is not less than 5 hundred million CFU/mL, and the effective viable count of beauveria bassiana bacteria liquid is not less than 5 hundred million CFU/mL.
  3. 3. The soil restoration agent according to claim 2, wherein the composite bacterial liquid further comprises at least one of bacillus subtilis, bacillus licheniformis, bacillus laterosporus and actinomycetes.
  4. 4. The soil remediation agent according to claim 1, wherein the mass-volume ratio of straw biochar and the composite bacterial liquid in the inner core is 1g (3-5) mL.
  5. 5. The soil restoration agent according to claim 1, wherein the mass ratio of polyethylene glycol monomethyl ether modified chitosan, sodium laurate and sodium tripolyphosphate in the shell is 1 (1.5-1.8): 0.3-0.5.
  6. 6. The soil restoration agent according to claim 1, wherein the straw biochar comprises raw Jiang Jiegan pyrolysis biochar and jute straw pyrolysis biochar in a mass ratio of 1 (2-2.5).
  7. 7. The soil restoration agent according to any one of claims 1 to 6, characterized in that the preparation method of the microbial agent comprises the steps of: (1) Sterilizing the straw biochar, mixing the sterilized straw biochar with the composite bacterial liquid, stirring the mixture for 2 to 3 hours at a low speed, and drying the mixture until the water content is less than or equal to 10 percent to obtain the biochar-loaded composite bacteria; (2) And (3) placing the biochar-loaded composite bacteria in a coating machine, adding water into polyethylene glycol monomethyl ether modified chitosan, sodium laurate and sodium tripolyphosphate, mixing to prepare a coating liquid with the mass concentration of 2-3%, atomizing and spraying the coating liquid, and drying until the water content is less than or equal to 8%, thus obtaining the biological carbon-loaded composite bacteria.
  8. 8. The soil remediation agent according to claim 1, wherein the preparation method of the soybean meal extract comprises the steps of adding soybean meal into water, boiling and maintaining for 10-20 min, then heating to 280-300 ℃, preserving heat for 10-15 min at the temperature, cooling to room temperature, filtering, and drying filtrate to obtain the soybean meal extract.
  9. 9. The method for preparing the soil restoration agent according to any one of claims 1 to 8, which is characterized by comprising the steps of uniformly mixing microbial agents, humic acid, fulvic acid, soybean meal extracts, seaweed extracts and plant extracts, and drying until the water content is less than or equal to 10%.
  10. 10. Use of the soil restoration agent as defined in any one of claims 1 to 8 for preventing and treating ginger continuous cropping disorders.

Description

Soil restoration agent and preparation method and application thereof Technical Field The application relates to the technical field of soil remediation, in particular to a soil remediation agent and a preparation method and application thereof. Background Ginger belongs to the genus zingiber of the family Zingiberaceae, contains rich nutrition, has higher medicinal value and economic value, and is an important vegetable variety of special products in China. According to investigation and research on ginger planting, a large number of growers can apply chemical fertilizers and compound fertilizers in order to pursue yield and income, soil hardening and acidification are caused along with continuous cropping and large-scale planting of ginger, soil aggregate structures are destroyed, ginger diseases and insect pests are aggravated, ginger rot and mildew are caused, and the yield of ginger is greatly reduced, and the quality of ginger products is reduced. At present, the conditions of soil-borne disease flooding, soil hardening and the like in a ginger planting area are increasingly serious, and the continuous cropping planting of ginger and the quality of ginger are seriously influenced, which is a main contradiction which puzzles the development of the ginger industry at present. At present, the soil improvement of ginger planting is mainly realized by matching a biological organic fertilizer with a probiotic preparation. The patent CN112723957A discloses a soil restoration microbial inoculum for preventing and treating continuous cropping obstacle, which comprises organic raw materials, a calcium silicate fertilizer, a potassium silicate fertilizer, a fermentation microbial inoculum and a composite functional microbial inoculum, wherein the composite functional microbial inoculum comprises bacillus subtilis, bacillus licheniformis, bacillus polymyxa and bacillus amyloliquefaciens, and the soil restoration microbial inoculum can prevent and treat diseases such as root rot, fusarium wilt and the like, but has little effect on soil acidification and soil aggregate structure restoration, and in addition, each component in the soil restoration microbial inoculum is simply mixed, so that the microbial inoculum is easy to lose, the soil restoration effect is influenced, and the long-acting restoration requirement cannot be met. Therefore, a soil restoration agent capable of simultaneously preventing and curing insect diseases and restoring soil hardening acidification and realizing long-term restoration is still lacking at present. Disclosure of Invention The application aims to overcome the defects of the prior art, and provides a soil restoration agent, a preparation method and application thereof, the soil restoration agent provided by the application can improve the soil structure, relieve acidification hardening and effectively resist diseases for a long time, the long-acting performance of biological restoration and the quick-acting performance of chemical conditioning are taken into account, so that the physicochemical property and the micro-ecological environment of the ginger continuous cropping soil can be fundamentally improved, and comprehensive restoration is realized. In order to achieve the above purpose, the technical scheme adopted by the application is as follows: According to one aspect of the application, the soil remediation agent comprises the following raw materials, by mass, 15-20 parts of microbial agents, 20-25 parts of humic acid, 15-20 parts of fulvic acid, 5-10 parts of soybean meal extracts, 1-1.5 parts of seaweed extracts and 20-25 parts of plant extracts, The microbial agent comprises an inner core formed by straw biochar and composite bacterial liquid, and an outer shell formed by polyethylene glycol monomethyl ether modified chitosan, sodium laurate and sodium tripolyphosphate, wherein the composite bacterial liquid comprises bacillus thuringiensis bacterial liquid and beauveria bassiana bacterial liquid with the volume ratio of (5-8) being 10; the plant extract is at least one selected from Curcumae rhizoma extract, bulbus Allii extract, and folium Artemisiae Argyi extract. The microbial agent is used as a main agent, humic acid, fulvic acid and the like are matched to prepare the soil restoration agent, the soil restoration agent can be used for solving the problems of soil acidification, hardening, plant diseases and insect pests, nutrient imbalance and the like of continuous cropping of ginger in a targeted manner, the long-acting property of biological restoration and the quick-acting property of chemical conditioning are considered, the physicochemical property and the micro-ecological environment of the continuous cropping soil of ginger can be fundamentally improved, and comprehensive restoration is realized. 15-20 Parts of the soil restoration agent, which can be 15 parts, 15.1 parts, 15.2 parts, 15.3 parts, 15.4 parts, 15.5 parts, 15.6 parts, 15.7 parts, 15.8 parts, 15.