226results about "Leaf crop cultivation" patented technology

The invention relates to a streptomyces sp. Strain EC15 and an application of the streptomyces sp. Strain EC15. The streptomyces strain EC15 is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation address is No.3, yard 1, Beichen West Road, Chaoyang District, Beijing, the preservation date is December 25, 2024, and the preservation number is CGMCC NO.33195. The streptomyces strain EC15 has the advantages that the streptomyces strain EC15 can be used for preparing the streptomyces strain EC15; the strain has the functions of dissolving organic phosphorus, dissolving inorganic phosphorus, producing a biological membrane, producing an iron carrier, producing IAA and producing ACC deaminase. The EC15 bacterial liquid is used for soaking seeds under the stress of 200 mmol / L and 250 mmol / L NaCl, so that the germination potential, the germination rate, the germination index, the radicle length, the germ length and the fresh weight of group seedlings of the alfalfa seeds can be obviously improved. After the EC15 strain is inoculated, under the stress of 200 mmol / L NaCl, the plant height, stem diameter, leaf area and overground part fresh and dry weight of alfalfa plants can be obviously improved.

The invention discloses magnesium modified fecal sludge hydrothermal carbon as well as a preparation method and application thereof, and belongs to the technical field of solid waste treatment in the environmental protection industry. The invention relates to a preparation method of magnesium modified fecal sludge hydrothermal carbon. The preparation method comprises the following steps: uniformly mixing fecal sludge powder and a magnesium additive to obtain a mixture; taking water as a solvent, and adding the mixture for hydrothermal reaction to obtain the magnesium modified fecal sludge hydrothermal carbon. According to the invention, waste utilization is carried out on the excrement sludge, modification is carried out through the magnesium additive, and loss of nutrient substances such as nitrogen, phosphorus and the like is effectively reduced. The magnesium modified fecal sludge hydrothermal carbon is applied to soil, can effectively promote the growth of pakchoi, and has certain agricultural value.

The invention relates to the technical field of soil ecological restoration and farmland cultivation management, in particular to an ecological regulation and control method for synergistically reducing compound obstacles of yellow soil rice-oil rotation cropland. The method is implemented by stages according to agricultural time: S1, mixing crushed straw, a composite functional microbial agent, a decomposed organic fertilizer and a calcium magnesium phosphate fertilizer into 0-15cm before rice transplanting; s2, after the rice is harvested, deep scarification is conducted by 20-25 cm, and a ridge culture structure is constructed; s3, interplanting astragalus sinicus after the ridges are built and before the oilseed rape is sown; s4, after the oilseed rape is harvested, the oilseed rape straw and the astragalus smicus are turned and pressed by 20-25 cm, lime is applied, and high water holding capacity is maintained in a short time; and S5, interannual circulation. Through microorganism-structure-nutrient coupling, thin, plate and sticky yellow soil is relieved synergistically, aggregate and air permeability are improved, root growth is promoted, and stable yield is increased.

Methylobacterium strains that enhance early growth of plants, improve propagation / transplant vigor, increase nutrient uptake, improve stand establishment, improve stress tolerance, and / or increase a plant's ability to utilize nutrients are provided herein. Also provided are methods to identify Methylobacterium strains that improve nitrogen use efficiency in various crop plants.

Disclosed are methods of producing nutrient solutions having unique isotopic fingerprints; methods of producing traceable plants; and methods of identifying the source of a traceable plant that does not rely on expensive artificially separated isotopes. Plants grown with these nutrient solutions will have unique isotopic fingerprints that will be difficult or impossible to counterfeit.

Biodegradable growing media and soil conditioning compositions include nanocelluloses, such as carboxylated CNF, carboxylated LCNF, and carboxylated CNC, which serve as binding and / or wetting agents. Methods include mixing nanocelluloses with plant growth substrate materials. The compositions include the possible addition of monovalent, divalent, or trivalent inorganic salts that supply essential plant nutrients. These compositions can be processed into plug or mat forms suitable for supporting the germination and growth of crops. Carboxylated nanocellulose-based compositions can be directly applied as soil conditioners or amendments to enhance soil health and plant development.

The invention relates to the technical field of soil improvement, in particular to a soil carbon library regulated crop planting method, which comprises the following steps: before crop planting, measuring the mass of particulate organic carbon (POC) and mineral bound organic carbon (MAOC) in soil, regulating and controlling the mass ratio of POC to MAOC on the basis of the measurement result in the step (1) to meet the condition that POC / MAOC is more than or equal to 0.8 and less than or equal to 1, and controlling the mass ratio of POC to MAOC to be more than or equal to 0.8 and less than or equal to 1. According to the soil improved through the method, the soil fertility can be improved, the crop yield and quality can be improved, and the soil health and sustainability can be promoted.

The invention provides a peptide-enriched organic fertilizer as well as a preparation method and application thereof, and belongs to the technical field of organic fertilizer preparation. The preparation method of the peptide-enriched organic fertilizer provided by the invention comprises the following steps: mixing corn soaking water with aspergillus oryzae seed koji, and fermenting for the first time to obtain the peptide-enriched organic fertilizer; the aspergillus oryzae mold starter is obtained by inoculating aspergillus oryzae YY-21 into a culture medium and fermenting 2. According to the preparation method provided by the invention, the peptide-enriched organic fertilizer with high amino acid nitrogen content, high small peptide content, high soluble protein content and high thallus biomass can be prepared, and when the peptide-enriched organic fertilizer is used for planting lettuce, the plant height, the fresh weight of a single plant, the root length, the leaf number and the leaf area of the lettuce can be remarkably increased; the chlorophyll content, the vitamin C content and the total sugar content in the lettuce can be remarkably improved, and the nitrate content of lettuce leaves can be reduced.

The invention discloses a ficus tikoua bur reasonable cultivation method and popularization and application, relates to the technical field of crop cultivation, and aims to solve the problems that ficus tikoua bur is unstable in root system, afraid of strong light exposure, difficult in seedling identification, low in land utilization rate and the like through reasonable cultivation time planning, soil preparation in September to November, shading cutting seedling raising in August to October and field planting in October to November. The efficient survival of the seedlings is realized by matching with the covering of degradable grass-proof cloth, the precise water and fertilizer management of drip irrigation / micro-spray irrigation and the gradual topdressing; cold-resistant dwarf crops are interplanted in the slow growing period of wild sweet potatoes from November to the beginning of summer of the next year, multiple harvest in one season is achieved, the concentrated harvesting period from June to August is matched with holiday experience type picking, and the rural economy is linked. Meanwhile, stable productivity is guaranteed through unified and standard seedling supply, non-target plant resource treatment and seedling replacement complementary planting, a production area primary processing and rural overall planning and popularization mode is matched, a complete system integrating standardized cultivation, picking experience, industrial popularization and productivity guarantee is formed, and the method is suitable for flat land and hilly land agricultural factories and rural large-scale planting; operation is easy and convenient, the productivity is controllable, and agricultural competent departments can promote standardized and industrial standardized management from the technical level.

The invention discloses a moringa oleifera peptide-based cadmium blocking agent and application thereof. The preparation is composed of moringa oleifera peptide (the mass volume concentration is 30-120 mg / L), a compound stabilizer (the mass volume concentration is 20-60 mg / L) and a phosphate buffer solution, the compound stabilizer is composed of sodium alginate and nano silicon dioxide according to the mass ratio of 1: (1.0-1.5), and the pH value of the preparation is 6.0-7.0. The moringa oleifera peptide is innovatively applied to cadmium prevention and control of Chinese cabbages in northern alkaline cadmium-polluted soil (pH is 6.5-7.5), accurate regulation and control are achieved in a rhizosphere irrigation mode, a sodium alginate-nano silicon dioxide composite stabilizer system synergistically plays the dual functions of dispersion stability and slow release protection, and it is ensured that the moringa oleifera peptide keeps activity in the soil environment. The preparation has the advantages of being small in dosage, low in cost, easy and convenient to operate, environmentally friendly and the like, a scientific and feasible technical scheme is provided for safe utilization of cadmium-polluted farmlands in northern alkaline soil areas, and the preparation has important application value and popularization prospects.

The present application relates to the technical field of vegetable cultivation, and particularly relates to a method for creating high anthocyanin purple cruciferous vegetables by symbiosis with purple tea. The specific technical scheme is as follows: the method for creating high anthocyanin purple cruciferous vegetables by symbiosis with purple tea, a green cruciferous vegetable conventional variety and a purple tea variety with high anthocyanin content are selected for symbiotic cultivation, and after flowering and seed saving, multiple purification and verification are performed, and finally a high anthocyanin purple cruciferous vegetable pure hybrid material with consistent genetic characteristics is obtained. The present application can obtain a high anthocyanin purple cruciferous vegetable pure hybrid material by symbiotic cultivation of a green cruciferous vegetable conventional variety and a purple tea variety through a conventional breeding method, and after multiple seed saving and verification, the commercialization degree and nutritional value of the high anthocyanin purple cruciferous vegetable are significantly improved.

The invention relates to the field of agricultural cultivation, and particularly discloses an intelligent quail cultivation system and method integrating the Internet of Things and symbiotic circulation, and the method comprises the steps: S1, collecting the multi-dimensional data of quail cultivation, aquaculture, vegetable planting and other symbiotic units, and carrying out the preprocessing verification; s2, constructing a correlation model to calculate cyclic matching parameters; s3, graded degradation of feces and accurate distribution of nutrients are realized through a stage adaptive unit; s4, linkage regulation and control of the breeding environment and the symbiotic unit and prevention and control of epidemic diseases And S5, performing full-process data digital recording and encrypted traceability to form closed-loop management. According to the invention, the defects of extensive regulation and control of the existing quail breeding environment, low efficiency of waste circulation, passive epidemic disease prevention and control and insufficient management digitization are overcome, the breeding efficiency and the resource utilization rate are effectively improved, and efficient circulation and whole-course controllable management of material energy are realized.

The invention relates to the technical field of biological prevention and treatment, and discloses application of metarhizium anisopliae and beauveria bassiana in preparation of a microbial agent for preventing and treating clubroot of cruciferae, the microbial agent is a complex microbial agent, and the complex microbial agent comprises metarhizium anisopliae and beauveria bassiana. According to the invention, the clubroot of cruciferae is prevented and controlled by utilizing the bacteriostatic activity and composite synergistic effect of metarhizium anisopliae and beauveria bassiana. The fermentation liquor of the metarhizium anisopliae and the beauveria bassiana can directly act on the plasmodiophora brassicae spores, the inactivation rate of the plasmodiophora brassicae spores is remarkably increased, and disease infection is blocked from the source. The problems that disease-resistant varieties lose efficacy due to diversity of physiological races of germs, agricultural management measures have a limited effect on long-term survival spores, and chemical pesticides pollute the environment and induce drug resistance are solved; and the preparation in the technical scheme is environment-friendly, has no residue and is not easy to induce drug resistance of germs.

The invention belongs to the technical field of Chinese cabbage seedling raising or Chinese cabbage cultivation, and particularly relates to a method for achieving the high seedling emergence survival rate of low-temperature vernalization Chinese cabbage seeds. According to the method, the seeds with overlong buds after low-temperature vernalization are subjected to three-dimensional vertical cultivation, the emergence rate and the survival rate of the Chinese cabbage seeds can be remarkably increased, the emergence survival rate is 90%-99%, and the emergence survival rate is increased by nearly 70% compared with the emergence survival rate of 29.37% in a conventional direct seeding mode.

The invention relates to aureobasidium pullulans Cy28 and application thereof, and belongs to the technical field of microorganisms, the aureobasidium pullulans Cy28 can reduce the content of Cd in soil and can generate more pullulan in a Cd-containing environment; when the culture medium is applied to lettuce planting, the dry weight of edible tissues of the lettuce can be remarkably increased in a cadmium-free or cadmium-containing environment, and the content of Cd in the edible tissues and roots of the lettuce is reduced, so that the content of Cd in the edible tissues of the lettuce reaches the edible standard; in addition, the vitamin C content, the chlorophyll content, the soluble protein content and the IAA content of edible tissues of the lettuce can be improved; meanwhile, the content of beneficial microorganism Pseudarthrobacter in the soil can be remarkably increased in a cadmium environment, and the effect of improving the soil is achieved.

The invention discloses a method for promoting growth of vegetables by using a charcoal modified hydrogel slow-release fertilizer. The method comprises the following steps: mixing the charcoal modified hydrogel slow-release fertilizer with ploughed soil, irrigating to moisten the soil, sowing, harvesting after the vegetables grow for a certain time, and regularly irrigating during the period. The biochar modified hydrogel slow-release fertilizer is obtained by performing freezing and thawing cycle treatment on a solution containing biochar, nutrient substances and a polymer. The prepared biochar modified hydrogel slow-release fertilizer has the advantages of being high in nutrient substance slow-release capacity, good in water retention effect, stable in environment and the like, can be widely applied to planting and fertilization of leaf vegetables, shows a very excellent effect of promoting the yield increase of the vegetables, is beneficial to improving the utilization efficiency of the fertilizer, and has a very good application prospect. Therefore, the method has the advantages of being simple in process, convenient to operate, low in cost, high in water and fertilizer utilization rate, good in yield increasing effect and the like, and has good economic benefits and application prospects.

The invention discloses a method for preventing and treating sclerotinia rot of colza by antagonistic trichoderma strains, and relates to the technical field of agricultural disease prevention and control, and the method comprises the following specific steps: S100, strain screening and mutagenesis: separating trichoderma strains from rhizosphere soil of colza in different environments, primarily screening strains with antagonistic action on sclerotinia sclerotiorum by a plate confrontation method, and carrying out mutagenesis on the strains with antagonistic action on sclerotinia sclerotiorum; carrying out chemical mutagenesis treatment on the primarily screened strains, carrying out confrontation culture on the primarily screened strains and sclerotinia sclerotiorum again, screening out high-yield antagonistic substances with larger inhibition zones and mutant strains with strong stress resistance, and culturing to obtain trichoderma fermentation liquor; by obtaining the trichoderma strains which can keep efficient antagonism and strong stress resistance under different environmental conditions, the stability of the trichoderma strains on disease control is enhanced, so that the rape can effectively resist invasion of sclerotiniose under different environmental conditions in the growth process, and the disease resistance of the rape is improved. And antagonistic active substances are extracted to prepare a biological fertilizer carrier, and the biological fertilizer carrier is applied to the planting process of oilseed rape, so that the growth and reproduction of sclerotinia sclerotiorum are effectively inhibited.

The invention provides nano-selenium modified rice husk charcoal and a method for preventing and controlling cadmium absorption of spinach. The method comprises the steps of nano-selenium sol preparation, rice husk raw material pretreatment, rice husk charcoal preparation, nano-selenium rice husk charcoal preparation, characterization analysis and comparison of rice husk charcoal and nano-selenium rice husk charcoal, application of nano-selenium rice husk charcoal in preventing and controlling cadmium absorption of spinach and the like. According to the rice husk carbon nano-selenium modification technology established by the invention, nano-selenium can be successfully loaded on the inner walls of the rice husk carbon macropores, the Se content is increased, CdSe or CdS-Se precipitates are formed, and the problem that the unmodified rice husk carbon is low in absorption, resistance and control efficiency on Cd in spinach is solved. The source of the required rice husk raw material is wide, the carbonization process is simple, the preparation cost of the nano-selenium and the modification cost of the nano-selenium on the rice husk charcoal are low, the process is environment-friendly, and the prepared nano-selenium rice husk charcoal has high efficiency of preventing and controlling Cd absorption of spinach and can be popularized and used in a large range.

The invention discloses a photovoltaic base biomass energy plant selection method and application thereof, and aims to solve the problem of land resource shortage in current thermal power plant energy transformation and renewable energy utilization based on the condition of combination of photovoltaic power generation vegetation lacking and energy plant planting. The feasibility of ecological restoration and biomass energy plant production by planting energy plants in a photovoltaic base is researched, a model plant screening standard is established by indexes such as strong stress resistance, drought tolerance, shade tolerance, carbon content and cellulose content, and the growth performance, self population update and influence of perennial energy plants on the photovoltaic base are investigated. The interaction mechanism between the photovoltaic base and crops is analyzed, the improvement effect of different planting modes on the land production efficiency is analyzed, the growth effect of different plants is evaluated, the optimal configuration scheme of energy plants planted in the photovoltaic base is determined, and an efficient photovoltaic-agricultural comprehensive utilization mode is constructed. The double improvement of economic benefits and ecological benefits is realized.

This invention discloses an efficient cultivation method for crop rotation of mung beans and Chinese cabbage. The method includes: (1) treating spring mung beans with seed priming one week before sowing, sowing in late March, harvesting in early June, and returning the straw to the field after crushing; (2) sowing seedling Chinese cabbage in mid-June and harvesting in late July; (3) sowing summer mung beans in late July and harvesting in early October, and returning the straw to the field after crushing; (4) sowing Chinese cabbage in mid-September for seedling cultivation, transplanting in mid-October, and maturing in late December. This invention adopts a scientific and reasonable crop rotation model, which can achieve four crops and four harvests a year, significantly improving land utilization. By planting mung beans for nitrogen fixation and returning straw to the field, soil fertility is improved, and the amount of fertilizer used for vegetable cultivation is reduced. By combining the planting of miscellaneous grains with vegetable cultivation, food security and vegetable supply are ensured, achieving significant economic, social, and ecological benefits.

The application belongs to the technical field of biological breeding, and particularly relates to application of D-ribose in improving plant salt stress resistance. The application provides application of D-ribose in improving plant salt stress resistance. As an important plant metabolite, D-ribose plays a key role in the growth and development stage of plants. Under salt stress conditions, application of D-ribose can not only promote the growth of plant taproot, plant height and leaf, reduce the inhibitory effect of salt stress on crop growth, but also has a protective effect on flowering and seed production of later plants. The application method is simple, and the use effect is remarkable.

The application discloses a method for remediation of cadmium contaminated soil by enhanced cadmium accumulating plant-crop intercropping, which comprises the following steps: step one, electrode arrangement, when cadmium accumulating plant and crop are intercropped in a farmland with medium and low concentration cadmium pollution, the width of the crop planting zone and the cadmium accumulating plant planting zone is 60-100 cm and 30-50 cm respectively, stainless steel rods are evenly arranged in the middle of the crop planting zone, the electrode insertion depth is 20-30 cm, and the electrode spacing is 0.5-1.5 m; step two, electric field application, after the plants are planted for 15-45 days, a polarity switching-intermittent electric field is applied; the total electric field application time is 30 days, the power supply mode is: positive→power off→negative→power off→positive, the polarity switching and intermittent frequency are both 15 min / time, and the electric field intensity is 0.3-1 V / cm; the method provided by the application can significantly reduce the cadmium content of crops by more than 8% and significantly increase the cadmium absorption amount of cadmium accumulating plants by more than 11%.

The invention belongs to the field of resource utilization of livestock and poultry manure, and particularly relates to a thermophilic ammoniation compound microbial agent, a fertilizer and application. The thermophilic ammoniation compound microbial agent is prepared by compounding lysinibacillus spp., bacillus megatherium and white-rot fungi, the preservation number of the lysinibacillus sphaeroides is CCTCC NO: M 20242776, the preservation number of the bacillus megaterium is CCTCC NO: M 20242777, the preservation number of the white-rot fungi is CCTCC NO: M 20242778, and the three strains are all preserved in the China Center for Type Culture Collection. Tests prove that the thermophilic ammoniation compound microbial agent shows higher ammoniation activity at 60 DEG C, and can be used for promoting the compost recycling process and improving the compost product quality.

The utility model provides a flexible photovoltaic support system capable of floating following wind, which comprises a high-rise support and a plurality of photovoltaic power generation panels hung on a bearing cable, and the plurality of photovoltaic power generation panels are connected in series to form a dynamic photovoltaic string capable of floating following wind. An existing flexible photovoltaic support scheme that a plurality of cables are used for building a stable structure is abandoned, an innovative design that one bearing cable is used, resistance is reduced along with wind, stability is not maintained and the like is adopted, investment of a photovoltaic power generation system is reduced, and low-cost agriculture and light complementation and other applications are achieved.

The application provides a method for shortening the growth cycle of lettuce, and belongs to the technical field of lettuce breeding. The method for shortening the growth cycle of lettuce comprises the following steps: after planting the lettuce, high-temperature treatment is performed for 20-22 days, and the conditions of the high-temperature treatment are as follows: 30 DEG C for 4 hours during the day, 40 DEG C for 4 hours during the day, 30 DEG C for 8 hours during the day, and 25 DEG C for 8 hours at night. The application promotes the lettuce to enter the reproductive growth stage in advance through high-temperature stress, can significantly shorten the present budding time and the initial flowering time of the lettuce, and can shorten the present budding time and the initial flowering time of the lettuce and the lettuce by 4-6 weeks, so that the growth cycle of the lettuce is shortened. The method is simple and easy to operate, and can be popularized and planted on a large scale.

The invention discloses a high-efficiency cultivation technology for interplanting of zingiberaceae melons and Chinese cabbages, and relates to the field of three-dimensional planting, the high-efficiency cultivation technology comprises the following steps: step 1, constructing a frame body: constructing a planting frame composed of arched door supporting pipes, an environment adjusting device and a vine climbing net; step 2, space interplanting: planting zingiberaceae melons on the racks, and planting Chinese cabbages under the racks; step 3, regulating and controlling plants, and managing the zingiberaceae melons by adopting a double-vine pruning mode; 4, comprehensive agricultural management is carried out, matched soil preparation and bedding, seedling raising, field management and pest control measures are implemented, and illumination control and air circulation are achieved through an environment adjusting device. According to the cultivation technology, a three-dimensional cultivation mode of'double-vine pruning and Chinese cabbage interplanting under the frame 'is adopted, a special planting frame structure and refined agricultural management are comprehensively applied, and efficient collaborative production of the zingiberaceae melons and the Chinese cabbages is achieved.

According to the folium artemisiae argyi extract, the preparation method thereof and the application of the folium artemisiae argyi extract in growth promotion, the folium artemisiae argyi extract required by a plant biostimulant comes from folium artemisiae argyi, the folium artemisiae argyi extract has the advantages of being rich in source, easy to extract and the like, green and sustainable agricultural development is facilitated, and a new scheme is provided for yield increase of crops. According to the extract, leaves and stems of traditional Chinese medicine folium artemisiae argyi serve as raw materials and are subjected to two times of ultrasonic extraction (absolute ethyl alcohol), filtrate is combined, then a crude extract is prepared, a purified component is a 60% ethanol component obtained by separating the crude extract through macroporous resin, the purified component mainly comprises a flavonoid component, and the content of eupatilin is the highest. The plant height, leaf length and fresh weight of rice, pakchoi, cotton and soybean are all improved after the fertilizer is applied according to the application mode mentioned in the invention.

The invention discloses a multi-core green active microcapsule oil-displacing agent and a preparation method and application thereof, the preparation method comprises the following steps: adding myristic acid and cinnamyl aldehyde into absolute ethyl alcohol, stirring at room temperature until the myristic acid and the cinnamyl aldehyde are dissolved to obtain a composite core material solution, and standing for later use; adding sodium alginate into deionized water, stirring at 30-60 DEG C until no floccules exist to obtain a wall material solution, and standing for later use; mixing the composite core material solution with the wall material solution, adding lauryl sodium sulfate, stirring at 75-85 DEG C for 1-3 hours to form a composite electrostatic spraying solution, and standing for later use; performing electrostatic spraying on the composite electrostatic spraying solution to prepare primary microcapsules, curing with a calcium chloride solution, washing with water, and freeze-drying to obtain the microcapsule oil-displacing agent. The microcapsule has a multi-core structure, is high in load rate, is matched with a targeted release characteristic, can enhance the residual oil stripping efficiency and the crude oil recovery efficiency when being used in the field of oil displacement, and can also be used in the field of agriculture.

The invention discloses a cultivation method for enhancing the total amount of bio-available calcium of edible parts of pakchoi, and relates to the technical field of Chinese cabbage cultivation, and the method comprises the following steps: variety screening, seedling raising, transplanting, foliar fertilizer spraying, cultivation and picking. Through the design of high-calcium variety screening, calcium nutrition pretreatment in the seedling raising period, foliar calcium supplement and potassium fertilizer synergistic application, the calcium content of the edible part of the pakchoi is increased, more importantly, the absorption, transport and accumulation process of calcium in the plant body is optimized, the total amount of bio-available calcium which can be actually absorbed and utilized by the human body in the edible part is increased, and the yield of the pakchoi is increased. The problem that an existing calcium fertilizer application and biological enhancement technology cannot guarantee effective calcium absorption of a human body is solved. Aiming at the problems of low absorption efficiency of traditional soil calcium fertilizer application and lack of systematicness of a foliar calcium fertilizer technology, through pretreatment of an EDTA calcium complex in a seedling raising period, precipitation which is difficult to absorb and formed by combination of calcium and other substances in soil or a matrix is avoided, and an efficient calcium absorption basis is constructed for seedlings.

The application provides a method for improving continuous cropping obstacle soil and improving quality of Chinese kale, comprising the following steps: selecting Chinese kale obstacle soil for five years, crushing the hardening layer, adjusting the soil pH, ploughing the soil to a depth of 30-40 cm, and layering the soil after 72 h; the soil is divided into two layers, 0-15 cm is the surface layer, and the composite microbial agent and organic-mineral complex are applied to the layer; 15-30 cm is the bottom layer, and the expanded perlite-polyacrylamide-ammonium polyphosphate composite particles are applied to the layer; installing a greenhouse and irrigation supporting facilities in the improved soil area; planting Chinese kale seedlings, irrigating micro-nano bubble water every two days, and removing the Chinese kale after 42 days. Through the synergistic effect of the composite microbial agent, organic-mineral complex and other substances, the soil physical and chemical properties are significantly improved, the growth index of Chinese kale is significantly improved, the SPAD value is increased, and the photosynthetic capacity is enhanced, which shows that the application has a significant promoting effect on the growth of Chinese kale and the repair of continuous cropping obstacle soil.