267 results about "Continuous cropping" patented technology

The invention discloses bacillus velezensis YB-1652, a biocontrol microbial inoculum and application of the biocontrol microbial inoculum, and aims to solve the technical problem of lack of effective biological control measures for continuous accumulation of peanut phenolic acid autotoxic substances and pathogens in continuous cropping. According to the application, a bacillus velezensis YB-1652 strain is separated and screened from rhizosphere soil of continuous cropping peanuts, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.36152. The strain has the capability of efficiently degrading phenolic acid compounds, relieves continuous cropping obstacles and improves the soil environment; the compound has a relatively strong inhibition effect on southern blight and root rot of peanuts, and the occurrence rate of soil-borne diseases is reduced; meanwhile, peanut growth can be promoted; the bacillus amyloliquefaciens has siderophore, cellulase, beta-glucanase, amylase power and protease production capacity. The YB-1652 strain and the preparation thereof can provide technical support for restoration of peanut continuous cropping obstacles, provide bacterial source guarantee for prevention and treatment of peanut soil-borne diseases, replace or reduce use of chemical pesticides and improve food and ecological environment safety, and have good economic and social benefits.

The invention discloses a pseudomonas synthetic flora and application thereof in prevention and treatment of apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The synthetic flora is constructed from three strains of pseudomonas, i.e., alkylphenol pseudomonas, oleaginous pseudomonas and pseudomonas putida, and the biological preservation numbers of the three strains of pseudomonas are respectively as follows: alkylphenol pseudomonas S4, CGMCC (China General Microbiological Culture Collection Center) No.36078; the culture medium is characterized in that the culture medium is Pseudomonas oleovorans S38, and the culture medium is CGMCC (China General Microbiological Culture Collection Center) No.36079; pseudomonas putida S42, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.36080, is CGMCC No.36080. The synthetic flora has a relatively strong antagonistic effect on main pathogenic bacteria (fusarium oxysporum and fusarium solani) of apple continuous cropping obstacles, and the inhibition capability of the synthetic flora is remarkably superior to that of a single strain; field and pot experiment results show that the liquid bacterial fertilizer and the solid bacterial fertilizer of the synthetic flora can promote the growth of overground parts and underground parts of the continuous cropping apple trees; the number of harmful fungi in continuous cropping soil is obviously reduced; the root protecting enzyme activity is improved, and the MDA content is reduced; the rhizosphere micro-ecology of the continuous cropping apples is optimized, and the continuous cropping obstacles of the apples are remarkably relieved.

The invention relates to a cultivation nutrient medium and a preparation method thereof. According to the nutrient medium, peat is completely abandoned, the coco coir, the straw and the biochar are combined to reduce ecological burden, the nutrient medium is an environment-friendly medium, the biochar fixes carbon and reduces emission, and the soil structure can be improved after long-term use; vermiculite improves the water-holding capacity, perlite and straw form a stable pore structure, and the ventilation porosity reaches 25% or above. Wormcast and a microbial agent synergistically release nitrogen, phosphorus and potassium, and the fertilizer efficiency is lasting. The microbial agent can inhibit soil-borne diseases such as fusarium and reduce the death rate of cultivated seedlings. The biochar adsorbs salt and toxins, and the EC value is stabilized at 1.2-1.8 mS / cm. The cost of the selected raw materials is reduced by 35% compared with that of a traditional substrate, and the substrate is suitable for large-scale production, suitable for vegetable seedling culture, potted flowers, organic farms and soilless culture systems, and especially suitable for saline-alkali soil or continuous cropping obstacle areas.

The invention belongs to the technical field of microorganisms, and particularly relates to pseudomonas monteilii BDLZ-3 and application thereof in relieving continuous cropping obstacles of crops. The invention discloses a strain of pseudomonas monteilii BDLZ-3, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.34349. The pseudomonas monteilii BDLZ-3 is separated and screened from the nature for the first time, phenolic acid autotoxic substances generated in the ginseng continuous cropping obstacle process can be efficiently degraded, the degradation rate of benzoic acid can reach 95.36%, various phenolic acids such as vanillic acid, cinnamic acid, palmitic acid and gallic acid can be effectively degraded, and the degradation spectrum is wide; when the pseudomonas monteilii BDLZ-3 is applied in a field, the content of benzoic acid in soil can be effectively reduced, meanwhile, the occurrence of ginseng root diseases can be controlled to a certain extent, the prevention and treatment effect reaches 41.23%, the growth indexes such as root length and root thickness are remarkably improved, and the yield increasing effect is achieved.

The invention relates to the technical field of greenhouse vegetable planting environment regulation and control, in particular to an internet-based intelligent greenhouse vegetable environment regulation and control system and method, which comprises an acquisition module, a monitoring module, an analysis module, a decision module, an execution control module and a mobile terminal interaction module, in combination with a preset successive cropping obstacle threshold model, analyzing to obtain the soil secondary salinization degree, the nutritional imbalance state, the microflora disorder index and the allelochemical toxicity grade; and the decision module is used for generating a comprehensive regulation and control strategy including crop rotation suggestions, irrigation amount, a fertilization scheme, biological control measures and environmental parameter regulation instructions in combination with facility vegetable types and growth stage requirements. A continuous cropping obstacle analysis result is obtained through the analysis module in combination with big data and a machine learning algorithm, a comprehensive regulation and control strategy is generated, continuous cropping obstacles are effectively dealt with, and the planting efficiency and the vegetable quality are improved.

The invention belongs to the technical field of plant growth-promoting bacteria, and particularly relates to protozoa trichomonad cooperating with bacillus to prevent and control cucumber fusarium wilt and application of the protozoa trichomonad. The invention provides a strain of protozoa trichomonas mtoleri (Cercomonas mtoleri) B5, and the preservation number of the strain is CCTCC (China Center for Type Culture Collection) N0: V202502. The protozoa trichomonad B5 provided by the invention can induce spore germination of a biocontrol strain bacillus velezensis SQR9 and improve the rhizosphere colonization capability of the biocontrol strain SQR9. The protozoa trichomonad B5 and the bacillus velezensis SQR9 are jointly inoculated in cucumber fusarium wilt continuous cropping soil, and the fusarium wilt morbidity of cucumber plants can be effectively reduced.

The invention discloses a rapid diagnosis method for blueberry continuous cropping soil obstacle factors, and belongs to the technical field of soil environment analysis. Based on combined analysis of soil physical and chemical factors, metagenome and metabolome, pathogenic bacteria types and key metabolites significantly related to the blueberry continuous cropping obstacle are extracted, and a characteristic diagnostic index system is formed. The index system comprises main pathogenic bacteria types, typical harmful metabolites, key soil physical and chemical factors and appropriate or risk threshold ranges thereof, and provides a scientific basis for rapid identification of soil continuous cropping obstacles. Comparative analysis is carried out by establishing a standardized index library, rapid comparison of related indexes and standard indexes in a newly sampled soil sample is realized, and whether the soil has continuous cropping obstacle risks or not is judged in an auxiliary manner by integrating the deviation degree of physical and chemical factors and biological factors.

The invention belongs to the technical field of biological agents, and particularly relates to ginsenoside variant flavobacterium DG-16 and application thereof in relieving continuous cropping obstacles of angelica sinensis and improving the quality of the angelica sinensis. According to the ginsenoside variant flavobacterium DG-16 disclosed by the invention, the growth of angelica sinensis is promoted by increasing the contents of jasmonic acid and cytokinin hormones, reducing the contents of gibberellin and salicylic acid hormones and promoting the circulation and utilization of nitrogen; in addition, the flavobacterium ginsenoside variant DG-16 can significantly increase the chlorophyll content, is beneficial to photosynthesis of the angelica sinensis, effectively changes the physiological and biochemical states of the angelica sinensis, can resist root rot of the angelica sinensis so as to relieve successive cropping obstacles and improve the quality, and has a significant effect.

The invention relates to the technical field of agricultural information and seed and seedling cultivation, and discloses a peanut planting method for relieving continuous cropping obstacles of peanuts. The method comprises the following steps: constructing initial digital twins of a land parcel, and synchronously constructing a disease-resistant peanut variety screening and seedling pretreatment system; historical continuous cropping information, soil physicochemical and microorganism data, meteorological time sequence data and seedling cultivation parameters are fused, the system is driven to evolve into operation state digital twins, and seedling-soil-environment collaborative simulation is achieved. Evaluating the continuous cropping obstacle risk and the seedling adaptability based on the twinborn body, and generating a comprehensive diagnosis report containing a nutrient imbalance index, pathogenic bacteria abundance prediction, a root exudates cumulative effect and a seedling disease-resistant adaptation coefficient; according to the method, differentiated seed and seedling optimization, soil improvement and cultivation strategies are implemented, and management measures are dynamically optimized through real-time data feedback in a growth cycle. Through cooperative driving of digital twinning and seed and seedling cultivation, source prevention, control and intervention of continuous cropping obstacles are achieved.

The invention relates to a growth-promoting compound microbial agent, which is prepared from bacillus pseudomycoides, bacillus subtilis and Trichoderma longibrachiatum, and is characterized in that the growth-promoting compound microbial agent is prepared from bacillus pseudomycoides, bacillus subtilis and Trichoderma longibrachiatum, and the growth-promoting compound microbial agent is prepared from bacillus amyloliquefaciens, bacillus subtilis and Trichoderma longibrachiatum. The compound microbial agent (bacillus subtilis, pseudofungal bacillus and trichoderma longibrachiatum) has excellent performance in the aspects of promoting plant growth and improving the soil environment, and the plant height, the fresh weight and the root length of plants are remarkably increased. The application of the complex microbial inoculant effectively relieves the chive continuous cropping obstacle, improves the chive growth potential and soil fertility, and provides a theoretical basis and technical support for sustainable planting of chives in facility agriculture.

The invention discloses beneficial fusarium oxysporum and application thereof in relieving apple continuous cropping obstacles, and belongs to the technical field of agricultural microorganisms. The biological preservation number of the fusarium oxysporum FoB1 disclosed by the invention is CGMCC (China General Microbiological Culture Collection Center) NO.42195. The fusarium oxysporum FoB1 disclosed by the invention is beneficial fusarium oxysporum, and has the advantages of excellent biocontrol function, strong environmental adaptability and high affinity with a host. By optimizing the preparation process of the microbial inoculant, the activity and stability of the inoculant are remarkably improved, and a high-quality bacterium source is provided for large-scale production. On the basis, a simple and convenient bacterium-bearing nursery stock application technology is developed, a novel efficient biological prevention and control way is provided for relieving apple continuous cropping obstacles, and important technical support is provided for promoting green and sustainable development of the fruit tree industry.

The invention relates to the technical field of bio-organic fertilizers, in particular to a preparation method and application of a bio-organic fertilizer based on secondary fermentation propagation of bacillus velezensis, and the preparation method comprises the following steps: uniformly mixing livestock and poultry manure and straw powder, adding a high-efficiency decay-promoting microbial inoculum and a compound additive, and carrying out trough type turning, stirring and mixing to obtain the bio-organic fertilizer. A compost material after primary fermentation is obtained; and after the water content of the compost material after primary fermentation is reduced to 45-55% and the temperature is reduced to 45 DEG C or below, adding an amino acid raw material and a bacillus velezensis inoculant, stirring and mixing, continuing fermentation, controlling the temperature of the compost body for secondary fermentation to be less than or equal to 60 DEG C, stirring once a day, and naturally airing after fermentation is completed, thereby obtaining the biological organic fertilizer. According to the technical scheme, the effective viable count in the biological organic fertilizer and the soil colonization effect of the biological organic fertilizer are improved, so that the prevention and control effect on continuous cropping obstacle related pathogenic fungal diseases is improved, and an efficient and reliable technical scheme is provided for biological prevention and control of continuous cropping obstacles of traditional Chinese medicinal materials and greenhouse vegetables.

The invention discloses streptomyces obscura QS2-7 and application thereof, and belongs to the technical field of microorganisms. According to the invention, a strain of Streptomyces caniferus QS2-7 is obtained through separation, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No.32328. Experiments show that the strain QS2-7 has a relatively strong inhibition effect on various plant pathogens, and has excellent biocontrol bacterium potential. And the strain has the functions of nitrogen fixation, phosphorus solubilization and protease production, and can effectively degrade autotoxic substances generated by plant planting and relieve autotoxicity. The strain can significantly promote plant growth and effectively reduce the incidence rate of diseases, and has high application value in green prevention and control of plant diseases and continuous cropping production.

The invention belongs to the technical field of agricultural fertilizers, and discloses a preparation process and application of a medical stone double-effect organic fertilizer with soil improving and growth promoting functions, the medical stone double-effect organic fertilizer comprises the following components by weight: 20-40 parts of activated medical stone powder with a particle size of less than or equal to 0.1 mm, and activated by a citric acid solution; the decomposed organic material is prepared by mixing livestock and poultry manure and crop straw according to the mass ratio of 2: 1-4: 1 and performing aerobic composting fermentation through a compound microbial agent, and the water content is smaller than or equal to 30%; the microbial agent contains phosphate solubilizing bacteria, nitrogen-fixing bacteria and rhizosphere growth-promoting bacteria, and the effective viable count is greater than or equal to 2 * 10 CFU / g; the auxiliary material comprises bentonite, a polyacrylamide water-retaining agent and a pH (Potential of Hydrogen) regulator, and the proportion of the bentonite is greater than or equal to 30 percent. The adsorption-desorption performance of the medical stone is enhanced by activating the medical stone through citric acid, and a synergistic system of water retention, fertilizer supply and growth promotion is formed by combining decomposed organic materials and functional microorganisms. According to the fertilizer, the stability of a soil aggregate structure can be remarkably improved (increased by 15-20%), the yield increasing rate of crops reaches 20-30%, and 30% of chemical fertilizer dosage is reduced. The method is suitable for acid soil remediation, continuous cropping obstacle treatment and economic crop planting.

The invention relates to the technical field of novel fertilizers, and particularly discloses an organic water-soluble fertilizer as well as a preparation method and application thereof. The organic water-soluble fertilizer provided by the invention is prepared from the following components: kitchen waste organic mother liquor, an anti-corrosion synergist, a stress-resistant synergist, a growth-promoting synergist, a dispersing agent and polyethylene glycol-400, the kitchen waste organic mother liquor is prepared by sequentially carrying out wet and hot hydrolysis, amylase enzymolysis, protease enzymolysis and lipase enzymolysis on a kitchen waste solid phase and a kitchen waste liquid phase; the preservative synergist is prepared by mixing a natamycin solution, tea polyphenol and chitosan oligosaccharide; the stress-resistant synergist is prepared by mixing complex enzyme glycoside, a plantain herb extract and gamma-aminobutyric acid; the growth promoting synergist is formed by mixing mineral source potassium fulvate and gluconic acid. The organic water-soluble fertilizer prepared by the invention has good corrosion resistance and product stability, has a good growth promoting effect on crops, and can reduce the number of diseased plants with successive cropping obstacles and improve the yield of the crops in a soil environment with successive cropping obstacles.

The invention belongs to the technical field of soil improvement, and discloses a preparation method of a composite microbial agent and application of the composite microbial agent in continuous cropping stress resistance, the active ingredients of the composite microbial agent comprise Gliocladium mucilaginosum, Trichoderma harzianum and Pseudomonas chlororaphis, and a carrier contains a basic carrier, a synergistic component and a soil adaptive component (oyster shell powder or wormcast particles). The preparation method comprises the following steps: strain fermentation, carrier construction, solid-state co-fermentation, and mixing of a dried fermentation product and a carrier. After the compound microbial agent is used, the abundance of gliocladium mucilaginosum, trichoderma harzianum and pseudomonas chlororaphis in continuous cropping crop soil is obviously increased, and the abundance of fusarium oxysporum is obviously reduced; the acidification condition of the acidified soil is obviously improved, the content of organic acids (ferulic acid and vanillic acid) in the soil is obviously reduced, and the soil becomes loose from hardening, so that the root activity is improved, and the plant diseases and insect pests are resisted; the single fruit weight and sugar degree can be remarkably improved, the fruit storage rotting rate is reduced, and the effect is remarkable.

The invention discloses a preparation method and application of an anti-continuous cropping microbial fertilizer, and aims to solve the problems of aggravation of crop diseases and insect pests and reduction of yield and quality caused by continuous cropping planting. The preparation method comprises the following steps: activating and uniformly mixing bacillus subtilis and bacillus licheniformis, and adding an alpha-lactalbumin solution and a calcium chloride solution to prepare a bacillus aggregate; adding bentonite into the polytrehalose solution, and performing ultrasonic treatment on the mixture and the humic acid solution to prepare a modified polytrehalose-bentonite compound; uniformly mixing acremonium terricola, trichoderma harzianum and a bacillus aggregate, and adding a wall material solution to prepare a compound bacterium microcapsule preparation; and finally, mixing the microcapsules with the corn straw biochar, the chitosan oligosaccharide and the like to obtain a finished product. Through calcium ion induction and humic acid modified embedding, the strain stability and viable count are improved, soil organic matter and nitrogen phosphorus and potassium nutrients can be activated, pathogenic bacteria are inhibited, the crop rhizosphere environment is improved, the growth index and quality of red kidney beans and potatoes are effectively improved, and the method is suitable for continuous cropping resistant planting of crops.

The invention discloses an application of a biochar-loaded B. subculis microbial inoculum in prevention and treatment of celery continuous cropping obstacles and a preparation method of the biochar-loaded B. subculis microbial inoculum. Belongs to the technical field of successive cropping obstacles. The problem that continuous cropping causes reduction of crop yield and soil fertility is an urgent problem to be solved in vegetable production, the research of the invention proves that the application of the biochar-loaded B.subtilis microbial agent can improve soil fertility, effectively promote growth of celery, improve soil physicochemical properties and soil enzyme activity, and the biochar-loaded B.subtilis microbial agent is expected to become a potential soil conditioner to relieve the problem of continuous cropping of soil.

The application discloses a preparation device of a conditioning agent for reducing continuous cropping obstacles of Chinese chives and a preparation method thereof, wherein the device comprises a reaction kettle, the reaction kettle is provided with an input port for inputting raw materials on one side and an output port at the bottom, a transmission shaft capable of periodically variable-speed rotation is arranged concentrically in the reaction kettle, a first cross arm is arranged on the transmission shaft, a stirring rod parallel to the transmission shaft is arranged on the first cross arm, a plurality of groups of paddles are distributed on the stirring rod, an action mechanism is arranged on the first cross arm, the action mechanism is driven by the periodic variable-speed rotation of the transmission shaft and can drive the stirring rod to reciprocatingly rotate in the circumferential direction, and the mixing and stirring effect and efficiency of the raw materials can be improved by conveniently realizing the reciprocating rotation of the stirring rod while the stirring rod follows the circumferential rotation of the transmission shaft, so that time and labor are saved.

The application discloses a bucket type cultivation method for overcoming continuous cropping obstacles of bamboo shoots. Through the bucket type inoculation, the mycelium is effectively isolated from the miscellaneous bacteria and pathogenic microorganisms in the soil before the mycelium completes the dominant expansion, the mycelium expansion stability is obviously improved, and the mycelium death and yield loss caused by the continuous cropping obstacles are avoided. Field tests show that the yield of the second year can be recovered to more than 90% of the yield of the first year by using the method, and the yield of the second year is less than 10% of the yield of the traditional reseeding mode, and almost no yield is obtained, so the method has good stability and generalizability.

This invention discloses a compound microbial agent for alleviating continuous cropping obstacles in Scutellaria baicalensis, its preparation method, and its application, belonging to the field of agricultural microbiology. The compound microbial agent comprises halophilic Bacillus and Bacillus belye, and an agriculturally acceptable carrier; wherein, single bacterial suspensions of halophilic Bacillus and Bacillus belye are mixed to obtain a compound bacterial suspension, and the compound bacterial suspension is further compounded with an agriculturally acceptable carrier to obtain the compound microbial agent for alleviating continuous cropping obstacles in Scutellaria baicalensis. The halophilic Bacillus is classified and named... Bacillus halotolerans X14-2, classified as Bacillus belye Bacillus velezensis X147. This invention solves the problems of insufficient adaptability and poor growth-promoting effect caused by the single strain in the microbial agent in the prior art. It has the potential to prepare products that alleviate the continuous cropping obstacles of Scutellaria baicalensis or promote the growth of Scutellaria baicalensis.

The invention discloses a fruit tree continuous cropping obstacle soil biocontrol bacterium screening rapid evaluation system, which comprises gene screening, activity screening and a field titer prediction model, and the field titer prediction model comprises a feature engineering module, a multi-modal fusion module, a double-branch prediction module, a loss function, data enhancement and interpretability analysis. According to the method, a three-level system of gene targeting, functional verification and intelligent prediction is used for replacing traditional trial and error screening, the period is shortened by 67%, the yield of high-quality strains is increased by 30 times, an efficient technical engine is provided for successive cropping obstacle treatment, field titer prediction is accurate and reliable, and the problem that the laboratory and field effect is disjointed is solved; the screening period is shortened from traditional 6 months to 8 weeks, the field verification cost is reduced by 70%, and the cost and the period are greatly reduced. The evaluation system is suitable for continuous cropping soil of fruit trees such as apples and cherries.

The invention discloses a bacillus velezensis strain and application thereof. The invention discloses bacillus velezensis WLH (bacillus velezensis), and the preservation number of the bacillus velezensis WLH is CCTCC (China Center for Type Culture Collection) NO: M 20251238. The bacillus velezensis WLH is screened from rhizosphere of cucumber, the WLH is a biocontrol bacterium, can inhibit growth of pathogenic bacteria of cucumber root rot and fusarium wilt by degrading phenolic acid in soil and promote growth of cucumber plants, and the strain can relieve autotoxicity caused by the phenolic acid, inhibit the cucumber root rot and fusarium wilt and promote growth of cucumber plants. The promotion of crop growth comprises the capability of producing indoleacetic acid (IAA) and the capability of solubilizing phosphate, the promotion of germination of cucumber seeds under the stress of mixed phenolic acid and pathogenic bacteria, and the promotion of growth of cucumber seedlings under the stress of mixed phenolic acid and pathogenic bacteria. Soil continuous cropping obstacles generated in cucumber planting are effectively relieved, and a new basis is provided for microbial control of continuous cropping obstacles.

The invention relates to the technical field of soil improvement, and discloses a banana continuous cropping obstacle conditioner application method based on soil detection, and the method comprises the step of applying different types of conditioners according to soil detection results before planting, after field planting, in the middle stage of a vegetative period, in the initial stage of a reproductive period and after harvesting in banana continuous cropping. According to the method, core indexes such as the pH value, the organic matter, the number of pathogenic bacteria and the nutrient content of soil in different stages are accurately mastered, corresponding conditioners are selected in a targeted mode, for example, when the pH value is smaller than 5.5, a composite alkaline conditioner is applied, and when fusarium oxysporum exceeds the standard, a microbial agent is applied, so that on-demand conditioning and symptomatic strategy applying are achieved; the soil secondary pollution caused by excessive application of a single conditioner is avoided, the conditioning cost is reduced, and the resource utilization rate is increased.

The invention provides a bacillus aerophilus Sys-Gs-010 strain capable of efficiently degrading benzoic acid in soil, the strain is preserved in the China Center for Type Culture Collection on December 10, 2025, the preservation number is CCTCC NO: M20252819, the preservation number is CCTCC NO: M20252819, the preservation number is CCTCC NO: M20252819, and the preservation number is CCTCC NO: M20252819. The 16S rDNA (ribosomal deoxyribonucleic acid) sequence of the strain is as shown in SEQ ID NO. 1. The bacillus aerosus Sys-Gs-010 strain provided by the invention can efficiently degrade ginseng to produce a main phenolic acid allelochemical-benzoic acid, and the strain is a non-ginseng pathogenic strain, can be applied to preparation of a ginseng allelochemical-benzoic acid degrading bacterial agent, greatly improves continuous cropping obstacles of ginseng, and has a good application prospect in the field of ginseng planting.

The invention relates to the technical field of traditional Chinese medicinal material planting. The invention provides a container confinement cultivation method for relieving asexual propagation continuous cropping obstacles of gastrodia elata, which comprises the following steps: (1) filling and paving planting soil in a container, placing wood sections and armillaria mellea, then earthing, carrying out heat preservation treatment, and culturing to obtain a fungus bed; and (2) exposing the fungus material, placing gastrodia elata seeds around the fungus material, covering soil, carrying out heat preservation treatment, and carrying out conventional planting management. By means of the cultivation method, centralized and standardized cultivation of the gastrodia elata can be promoted, the problem that suitable cultivation sites are gradually reduced in the gastrodia elata cultivation process is solved, the problem of continuous cropping obstacles of the gastrodia elata is effectively solved, and sustainable development of the gastrodia elata is promoted.

The invention relates to a method for improving celery continuous cropping land soil by interplanting sunflowers in northern areas. The method is characterized by comprising the following steps: (1) soil preparation and fertilization; (2) covering a film and laying a drip irrigation belt (1); (3) setting plant line spacing; (4) planting in different periods; (5) field management in the symbiotic period; (6) harvesting celery; (7) performing field management on the sunflowers; (8) sunflower harvesting; (9) returning the straws to the field; according to soil characteristics and environmental conditions of celery continuous cropping land in northern areas, celery and sunflower interplanting cultivation is provided, vertical distribution differences formed by shallow root systems of celery and deep root systems of sunflower in soil are utilized, the two crops are distributed and planted in a delta shape, and horizontal distribution differences are also formed by utilizing plant spacing. Therefore, competition for soil nutrient absorption in the symbiotic period of the two crops is effectively avoided, soil secondary salinization is reduced, soil organic matter and probiotics are increased, and meanwhile the output value per unit area is increased.

The application discloses a kind of efficient cultivation and intelligent control method for relieving continuous cropping obstacles of Lanzhou white lan guava, belong to agricultural planting technical field, the method includes: before planting, soil base improvement is carried out by being input mushroom residue organic conditioning agent and oil residue compound organic fertilizer, before planting, fertilization ditch is excavated, after being input biological base material coated slow-release fertilizer, it is covered with soil in ditch bottom, compound microbial inoculum carrier granule is input in middle upper part, and the root layer nutrient gradient structure of " bottom slow-release nutrient library-middle layer microbial activity layer-surface rhizosphere nutrient area" is constructed, when planting, it is supplemented with inoculum dip root treatment, and soil sensor and in-situ microbial activity monitoring chip are arranged in field, and soil moisture regime, nutrient and microbial activity data are collected in real time, when microbial activity is lower than threshold value, automatically supplement nutrient solution, and intelligent decision system generates fertilization instruction;Fruit swelling stage is divided into stages and precision topdressing is carried out;After harvesting, melon seedling is returned to field and green manure is planted.

The invention discloses a preparation method and application of a pesticide preparation for preventing and treating watermelon fusarium wilt, and belongs to the technical field of biocide pesticides. The carbendazim, the iprodione, the lotus seed pot extract and the seaweed residues are combined to serve as effective components of the pesticide, the pesticide preparation for preventing and treating the watermelon fusarium wilt is applied to soil which is continuously seeded for many years according to field experiment data, the disease index is 7.22%, the prevention effect is 82.44%, the yield of a single plant is 9.75 + / -0.35 kg, and the yield per mu is 2865 kg. The seaweed residues and the lotus seed pot extract are mixed to serve as a pesticide synergist, the pesticide synergist is compounded with a basic chemical agent, the obtained pesticide preparation has a better effect in the aspect of preventing and treating watermelon fusarium wilt, and the combined effect is better than the effect of independently using the basic chemical agent, the seaweed residues or the lotus seed pot extract; the method has practical significance in watermelon fusarium wilt control and watermelon yield increase.

The invention discloses a compound microbial agent for preventing and treating muskmelon fusarium wilt and application of the compound microbial agent, and belongs to the field of biological prevention and treatment. The microbial inoculum is composed of pseudomonas aeruginosa and bacillus subtilis, the dosage form is a liquid microbial inoculum, and the effective viable count is greater than 10 billion / ml. The two strains are high in sporulation quantity and strong in rhizosphere colonization capacity, have synergistic bacteriostasis and growth promotion effects, effectively inhibit fusarium oxysporum of muskmelons through a plurality of mechanisms such as competition, secondary metabolite generation and system resistance induction, and have a remarkable inhibition effect on fusarium oxysporum of cucumbers, watermelons and tomatoes, soil-borne pathogenic bacteria such as phytophthora capsici and the like. The microbial agent is broad-spectrum, efficient and long in lasting period, and can promote propagation of rhizosphere effective microbial communities, reduce the dosage of chemical pesticides, relieve continuous cropping obstacles and promote green and high-quality development of the watermelon and melon industry.