1886 results about "Plants root" patented technology

The invention relates to the technical field of plant growth-promoting bacterium screening, in particular to a thunberg fritillary bulb growth-promoting bacterium colony screening method and system based on image recognition. The screening method comprises the following steps: establishing a three-dimensional gradient dilution system of a thunberg fritillary bulb rhizosphere soil sample, and collecting a bacterial colony original image under a specific wavelength combination by adopting a multispectral imaging device. According to the method, by establishing a multispectral collaborative imaging mechanism and a dynamic growth modeling system, the technical problems of feature dimension deficiency and space-time correlation fracture in a traditional method are effectively solved. An improved wavelet transform algorithm is adopted to break through the optical interference limitation of an agar matrix, and high-fidelity extraction of bacterial colony intrinsic textures is realized; according to the constructed three-dimensional feature space fusion model, morphological topological parameters, texture entropy distribution and growth differential features are deeply coupled through nonlinear mapping, and the biological correlation of feature representation is remarkably improved.

The invention provides an intelligent logistics distribution path optimization method under multiple constraint conditions, and relates to the technical field of logistics distribution, and the method comprises the steps: constructing a constrained graph model according to a time window, vehicle information and real-time traffic API data; performing initial path planning by adopting an improved genetic algorithm; performing dynamic path adjustment according to the initial path set and the real-time traffic API data; and in combination with the optimized path set and customer preference information in the order information, screening an optimal solution through a plant rhizome growth optimization algorithm, and then outputting a final path optimization strategy according to a preset rule engine. According to the method, a plant rhizome optimization algorithm is adopted, a biological growth rule is simulated to realize multi-target co-evolution, and customer preference and task migration flexibility are considered while premature convergence is avoided; through flexible adjustment of constraint conditions and algorithm parameters, the method can adapt to more scenes, and can still maintain stable solving capability under the condition of continuous congestion or sharp increase of orders, thereby remarkably improving the anti-risk capability of a logistics system.

The invention relates to the technical field of water environment treatment, in particular to a water environment ecological treatment method and system based on a constructed wetland, and the method comprises the following steps: measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value of a root zone in the constructed wetland, and calculating the pollutant concentration distribution value and plant root system distribution density of each monitoring point; and obtaining a water quality root distribution characterization value. In an artificial wetland environment, the concentration of dissolved oxygen, the concentration of ammonia nitrogen, the concentration of total phosphorus, the water temperature and the pH value of a root zone are measured, the concentration distribution of pollutants is calculated, numerical calculation is carried out in combination with the distribution density of plant root systems, water quality root system distribution characterization is constructed, spatial heterogeneity analysis of wetland water quality is enhanced, and the targeting of pollutant degradation is optimized. Based on water quality root system distribution characterization, plant growth cycle parameters are calculated in combination with water quality parameters, association between water quality dynamic changes and plant growth states is constructed, and the adaptability of wetland ecological regulation and control is improved.

The present disclosure is drawn to methods of utilizing nucleic acid barcodes and corresponding amplifying sites in cells in which the barcodes naturally occur. These barcodes and amplifying sites are reconfigured into a single nucleic acid cassette that provides for ease of use in tagging particular species, strains, or variants of cells, each with a different barcode. These barcodes can be used to track the colonization capabilities of the barcoded cells. The present disclosure further provides for assays that utilize natural barcodes to measure relative microbial colonization ability of a plant root system.

The invention discloses a rhizosphere deposited carbon flux real-time monitoring method adopting a sensor array, and relates to the technical field of soil carbon cycle monitoring, and the method comprises the steps: determining a layered sampling depth and a horizontal concentric circle partition range based on the three-dimensional distribution characteristics of a target plant root system, and mapping the layered sampling depth and the horizontal concentric circle partition range to a preset three-dimensional grid coordinate system; gas sensors and environmental parameter sensors are deployed according to root system partitions, and a multi-dimensional sensor array is constructed. Through the three-dimensional grid coordinate system and the root system density gradient model, accurate spatial mapping of rhizosphere carbon flux is realized, high matching of sensor layout and root system biomass distribution is ensured by utilizing division of vertical layering and horizontal concentric circle partition, and the gas sensor and the environmental parameter sensor are cooperatively deployed, so that the reliability of the system is improved. The device can capture instantaneous changes such as root exudate pulse and microbial respiration, generates a continuous and consistent carbon flux data set, and provides a high-resolution dynamic observation basis for researching plant-soil-microbial interaction.

The invention provides an interlaced vertical board agriculture and light complementation method. The interlaced vertical board agriculture and light complementation method comprises a vertical rod and a beam or / and a connecting piece; a plurality of photovoltaic panels are laterally fixed on the vertical rods or / and the beams through connecting pieces, so that a photovoltaic vertical board unit is formed; planting spaces for growth of crops or woods or pasture are formed in the row spacing or the spacing of the photovoltaic vertical board units. Stay cables do not need to be used, construction is easy, cost is low, pile foundations are buried shallowly, damage to soil structures and plant root systems can be avoided as much as possible, construction difficulty and cost can be reduced, and complementary benefits of photovoltaic power generation and agricultural production can be improved.

The invention discloses an alpine grassland no-tillage restoration suitability evaluation method based on a 3S technology, and particularly relates to the technical field of data processing. Through the combination of multi-temporal satellite images and global positioning system data, the spatial dynamic change of the frozen soil layer of the alpine grassland and the long-term influence of the spatial dynamic change on vegetation growth are accurately obtained, and a frozen soil layer depth and distribution dynamic monitoring model is constructed based on multi-source remote sensing data and historical weather and soil temperature and humidity data. Analyzing the influence of freezing and thawing alternation on plant root growth; establishing a vegetation recovery potential index and a soil moisture supply index by combining the vegetation coverage and the dynamic change of the frozen soil layer, and generating a suitability partition map through a GIS spatial analysis and analytic hierarchy process; through field sampling and long-term vegetation growth monitoring data verification and model optimization, the accuracy of no-tillage restoration suitability evaluation is remarkably improved, and scientific and accurate decision support is provided for ecological restoration of alpine grassland.

Burkholderia, and a composition, use and usage method thereof. Provided are the Burkholderia, and a composition comprising the strain and / or a metabolite, culture, fermentation broth and / or extract thereof. The Burkholderia or the composition thereof can generate a siderophore, induce plants or seeds thereof to generate systemic resistance to plant pathogens, and reduce the chemotaxis of plant pathogens to plants, so that prevention and treatment of plant diseases and insect pests are achieved. In addition, plant root system development can be promoted, a nitrogen fixation effect is provided, a phosphate solubilization effect is provided, indoleacetic acid is generated, and weeds are removed, thereby promoting plant growth.

The invention belongs to the field of agricultural chemistry and bio-fertilizer, and discloses a fertilizer synergist based on polyaspartic acid, alginate oligosaccharide and mannan oligosaccharide and a preparation method of the fertilizer synergist. According to the synergist, polyaspartic acid derived from plant source amino acid, alginate oligosaccharide extracted from natural brown algae and mannan oligosaccharide extracted from plants are used as main raw materials, and the polyaspartic acid, the alginate oligosaccharide and the mannan oligosaccharide cooperate to form an induction-complexation-adsorption three-effect-in-one mechanism, wherein the alginate oligosaccharide and the mannan oligosaccharide induce plant root activity and stress resistance gene expression; the polyaspartic acid is dominated to form a multi-point weak complex network, so that slow release and controlled release of nitrogen and potassium ions are realized; the three components cooperate on the surface of soil colloid to form an adsorption layer, and nutrient leaching loss is reduced. The preparation process adopts a green process of'enzymatic pretreatment-segmented complexing-low-temperature forming ', so that the oligosaccharide activity is maintained, and the use of an organic solvent is avoided. The obtained synergist can significantly improve the nitrogen utilization rate and the root activity and prolong the fertilizer efficiency period, and is suitable for green and efficient agricultural production of various crops.

The invention discloses an ecological floating bed for ecological environment protection, and relates to the technical field of ecological floating beds. The ecological floating bed comprises a floating plate and placing grooves uniformly formed in the floating plate; the planting mechanisms are uniformly arranged in the placement groove and are used for planting aquatic plants; the elastic pieces are arranged on the planting mechanisms and are used for reducing the flow rate of water flow entering the planting mechanisms; the flow guide plates are arranged on the outer side of the elastic piece at equal angles and used for reducing impact of water flow on the roots of the aquatic plants, and the auxiliary driving mechanisms are arranged at the two ends of the flow guide plates and used for driving the flow guide plates to rotate synchronously in the same direction and driving the elastic piece to stretch and deform in a self-adaptive mode. On one hand, the flow guide plates play a role in flow guide and dispersion in the water flow direction, impact damage to plant roots caused by water flow directly is effectively reduced, on the other hand, part of water flow can flow to the planting barrel through gaps between the flow guide plates and the elastic pieces, the retention time of water entering the planting barrel is prolonged, and therefore the purification effect of plants on the water is improved.

The invention relates to the technical field of microorganisms, and discloses trichoderma yunnanense and application thereof. The Trichoderma yunnanense CCTCC NO: M 2025645 provided by the invention is a dominant strain of a high-yield siderophore, the activity of the siderophore is 69.79%, and the Trichoderma yunnanense can be used for synthesizing and secreting carboxylic acid type siderophore; the strain has a sulfur oxidation function; in addition, the invention also provides an application of the trichoderma sp. In regulation and control of plant diseases, the trichoderma sp. Disclosed by the invention can be used for antagonizing fusarium solani, fusarium graminearum, fusarium moniliforme, Rosellinia necatrix and Alternaria brassicae (Fr.) Kissler, and the trichoderma sp. Can be used for antagonizing fusarium solani, fusarium graminearum, fusarium moniliforme, Rosellinia necatrix and Alternaria brassicae (Fr.) Kissler, and can be used for antagonizing fusarium solani, fusarium graminearum, fusarium moniliforme, Rosellinia necatrix and Alternaria brassicae. The Trichoderma yunnanense provided by the invention is a strain separated from tobacco planting soil, and compared with a strain subjected to mutagenesis screening in an extreme environment and a laboratory, the Trichoderma yunnanense has better adaptability when being applied to a planting environment, and can be stably colonized in plant rhizosphere and soil, so that the Trichoderma yunnanense stably plays a growth promoting role for a long time, is safe and environment-friendly, and has a wide application prospect.

The invention discloses a preparation method and application of plant-derived extruded nano-vesicles, and relates to the technical field of biological medicines. The preparation method of the plant-derived extruded nano-vesicles comprises the following steps: juicing cleaned plant roots, stems, leaves, flowers or fruits to obtain plant juice, and filtering with gauze to obtain first filtrate; centrifuging the first filtrate at a low speed of 300-6000 * g to obtain a second filtrate; performing 8,000-20,000 * g centrifugation on the second filtrate for 0.5-3 hours at the temperature of 0-5 DEG C, so as to obtain a first precipitate; adding the first precipitate into a buffer solution, carrying out ultrasonic treatment, diluting, and sequentially passing through a filter membrane with the pore diameter of 0.4-10 microns and a filter membrane with the pore diameter of 0.1-0.4 microns, so as to obtain a third filtrate; and centrifuging the third filtrate, taking the precipitate, and resuspending to obtain the extruded nano-vesicles. Experimental detection shows that the extruded vesicles are similar to natural vesicles in characteristics, but the yield is far higher than that of the natural vesicles, and the extruded vesicles can serve as nano-carriers to be applied to a foundation or clinic.

The invention relates to the technical field of soil remediation, and discloses a method for synergistically remediating organic contaminated soil by combining microorganisms with plant root systems, which comprises the following steps: carrying out physicochemical property detection and condition adjustment on the contaminated soil in a target remediation area; applying a composition containing functional microorganisms and a controllable release activation component to the contaminated soil; plants with rhizosphere secretion ability are planted in the restoration area; plant root exudates are used for inducing the composition to release active components, so that microorganisms are activated, and organic pollutants are jointly degraded; and maintaining the repair cycle, and performing process regulation and control until the repair is completed. A double-layer microcapsule structure is constructed, the outer layer adopts chitosan and an induction material, and the outer layer can swell or disintegrate under the action of plant rhizosphere secretions, so that responsive release of active components of the inner layer is achieved, and the effect of improving release accuracy and microbial activation efficiency is achieved.

A plant holder for holding an amount of rooting (growing) media in which plant roots develop that electrically isolates the plant roots from an electric field used to deliver water and plant nutrients to that rooting media via a high-voltage, low-current electrospray system. A conductive material disposed proximate the rooting media receives electrically charged droplets including water or nutrients and passes the water or nutrients to the rooting media while directing the electrical charge to ground.

The invention discloses a rapid restoration method for degraded grassland based on a microbial agent. The microbial agent is formed by compounding 15-30 parts of a nitrogen-fixing microbial agent, 10-20 parts of a phosphate-solubilizing microbial agent, 8-15 parts of a plant growth-promoting microbial agent, 25-40 parts of a humic acid carrier, 3-8 parts of an embedding agent sodium alginate and 5-12 parts of a nutritional agent molasses. Wherein the nitrogen-fixing bacteria are azotobacter chroococcum and alfalfa rhizobium (the viable count is greater than or equal to 5 * 10 < 9 > CFU / g), the phosphate solubilizing bacteria are bacillus megatherium (the viable count is greater than or equal to 1 * 10 < 10 > CFU / g), and the growth-promoting bacteria are bacillus subtilis and pseudomonas fluorescens (the viable count is greater than or equal to 2 * 10 < 10 > CFU / g). The microbial inoculum is subjected to activation, carrier adsorption, sodium alginate embedding granulation and CaCl2 cross-linking processes to be prepared into slow-release particles of 1-3 mm. 200-250 kg of organic fertilizer is applied to each hectare in a mild area, 300-400 kg of organic fertilizer is applied to each hectare in a moderate and severe area, and leymus chinensis and wheatgrass are sown in a mixed mode. After 90 days of application, the vegetation coverage is improved by 40% or above, the soil organic matter is increased by 25-40%, the microbial diversity index is larger than or equal to 3.5, and the comprehensive remediation cost is reduced by 53%.

The invention relates to the technical field of historical building protection, and discloses an intelligent identification and diagnosis method for historical building brick wall surface damage, which breaks through the limitations of low efficiency, strong subjectivity and easy detail omission of traditional manual exploration by fusing unmanned aerial vehicle high-precision image acquisition, deep learning semantic segmentation and multi-modal feature analysis technologies. And automatic rapid positioning and accurate classification of large-range wall surface damage are realized. Environmental distortion is eliminated by using a self-adaptive image registration algorithm, fine texture features are extracted in combination with a damage probability prediction model, and complex damage forms such as salting-out crystallization, plant root erosion and weathering spalling are effectively distinguished; through three-dimensional space clustering and visual marking technologies, the damage distribution density and the evolution trend are visually presented, and a reliable basis is provided for scientifically formulating a grading repair strategy. Besides, through establishment of a damage database and iterative optimization of an intelligent diagnosis model, the building health condition can be tracked for a long time, and technical support is provided for preventive protection and sustainable management of cultural heritage.

According to the microbial composite soil conditioner and the preparation method thereof, decomposition of organic matters in soil can be promoted through multiple microorganisms in the microbial composite soil conditioner, and the air permeability and the water-retaining property of the soil are improved. Meanwhile, the zeolite powder and the rice hull powder ash can improve the pore structure of the soil and improve the drainage capacity and the air permeability of the soil, so that the growth environment of the plant root system is optimized. The decomposed organic fertilizer and the edible fungus residue organic matter are rich in nutrient elements of nitrogen, phosphorus and potassium, and can provide continuous and stable nutrient supply for crops. In addition, the amino acid stock solution, the pyroligneous liquor and the molasses liquor contain various trace elements and bioactive substances, so that the disease resistance and the growth vitality of crops can be enhanced. Due to the improvement of the soil structure, the improvement of fertility and the enhancement of microbial activity, crops can better absorb nutrients and moisture, the occurrence of diseases and pests is reduced, and the increase of the crop yield and the crop quality are effectively improved.

This invention discloses a microbial inoculant for controlling peanut root rot and its preparation method, belonging to the field of microbial materials technology. This invention screened and obtained a *Trichoderma harzianum* strain with highly efficient inhibitory effects against the pathogen causing peanut root rot. Firstly, the strain itself exhibits antagonistic activity against the peanut pathogen. Secondly, it was prepared as a spore suspension and fermented in solid-state with rice husks and wheat bran. During the solid-state fermentation process, the metabolites produced by *Trichoderma harzianum* promote the growth and development of plant roots, increasing plant biomass and yield. This microbial inoculant effectively controls peanut root rot, exhibiting good inhibitory effects against the pathogen, thus improving peanut quality and disease resistance. Furthermore, it improves soil ecological activity to a certain extent, making it worthy of application and promotion.

The invention discloses a pseudomonas for antimony detoxification and autotrophic nitrogen fixation and application of the pseudomonas. The strain is separated from the rhizosphere of a pioneer plant in antimony-polluted soil of a tin mine in cold water river city, Hunan province, and is identified to be capable of quickly oxidizing high-toxicity antimony (III) into low-toxicity antimony (V) through autotrophic metabolism in a high-antimony environment, so that antimony detoxification is realized, and the detoxification rate is 108.6 (mu mol / (L.day)). The strain has autotrophic nitrogen fixation activity and can achieve autotrophic growth under the oligotrophic condition of a mining area, and the nitrogenase activity is larger than or equal to 223.4 (nmol C2H2 / (g.h)). Particularly, the antimony detoxification and nitrogen fixation capabilities of the strain have a synergistic effect, so that the strain has unique advantages in the field of heavy metal antimony pollution remediation, and dual effects of antimony pollution treatment and soil improvement can be synchronously realized; the development and application prospects are good.

The invention relates to an in-situ soiling method for tailings of a mine tailing pond in use and application, and belongs to the resource utilization and ecological restoration technology of a tailing pond district, the in-situ soiling method comprises the following steps: step 1, leveling the tailings of the mine tailing pond in situ, turning over and loosening the tailings of 40cm on the surface layer, adding exogenous organic matters, and uniformly mixing to obtain a tailing matrix; 2, spraying a mine area soil plant rhizosphere bacterial liquid into the tailing matrix, and culturing in situ for 20-40 days to preliminarily form a soil-like matrix suitable for field planting of pioneer plants; 3, the pioneer herbaceous plants are sown, and functional microorganisms are inoculated. By means of the application of the method, all-season evergreen of reclamation vegetation in the in-use tailings pond and stable solidification and non-migration of heavy metal can be achieved, water and soil loss and environmental pollution of tailings are effectively controlled, and technical support is provided for large-area popularization of ecological restoration of non-ferrous metal tailings ponds in China.

The invention relates to the technical field of agricultural micro-ecological application, and particularly discloses a composite combined inoculation method using arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria, which comprises the following steps: selecting corn plant seeds without plant diseases and insect pests; a corn planting land is randomly divided into land parcels with the area of 6 m < 2 > (2 m * 3 m), a buffer zone of 1.0 m is arranged between every two adjacent land parcels, and the cultivation mode is flat cropping; the method comprises the following steps: planting arbuscular mycorrhizal fungi inoculum comprising mycorrhiza, dry sand containing spores and ectotrophic hyphae and corn seeds in soil by using a seeder during corn sowing, and after the corn is planted for 30 days, inoculating the plant growth-promoting rhizobacteria inoculum into plants and soil by using a flood irrigation root irrigation method, when the arbuscular mycorrhizal fungi and the plant growth-promoting rhizobacteria are inoculated together, the corn rhizosphere microbial community can be changed, the richness and diversity of fungi and bacterial communities in soil are increased, and the relative abundance of plant pathogens in the soil is reduced.

The invention relates to a potassium-dissolving bacterial agent containing yellow microspora fungi, a seed coating solution and application of the potassium-dissolving bacterial agent and the seed coating solution, and belongs to the technical field of microorganisms. In order to solve the technical blank of the yellow microspora fungi in the aspects of potassium dissolving and kidney bean growth promotion in the prior art, the invention provides the potassium-dissolving microbial inoculum containing the yellow microspora fungi, the yellow microspora fungi are respectively yellow microspora landrace and yellow microspora Xing'an, and the potassium-dissolving microbial inoculum has better potassium-dissolving activity and can be used for preparing the potassium-dissolving microbial inoculum containing the yellow microspora fungi. Symbiosis with plant root systems can be achieved, and plant growth and development are promoted; the kidney bean seed coating liquid containing the potassium bacteria agent can promote accumulation of biomass of kidney bean plants, the setting rate of kidney beans is increased, and the yield of the kidney beans is increased; when the spore concentration is 1 * 10 < 6 > / mL to 1 * 10 < 8 > / mL, the seed coating solution has an obvious and stable growth promoting effect on kidney beans. The potassium-dissolving bacterial agent and the seed coating solution provided by the invention can be applied to soil potassium dissolving and promotion of kidney bean growth.

The invention discloses a growth regulator for promoting colonization of plant rhizosphere microorganisms and application of the growth regulator to crops, a preparation method of the growth regulator comprises the following steps: S1, dropwise adding an aqueous solution of modified chitosan and a compound bacteria solution into a saturated boric acid solution of 1-2% calcium chloride, crosslinking and curing for 3-4 hours, washing with sterile water for 3-5 times, and drying to obtain the growth regulator for promoting colonization of the plant rhizosphere microorganisms; immobilized microorganisms are obtained; s2, sequentially adding nanocellulose crystals, sodium polyaspartate and organic fertilizer into the enteromorpha extracting solution, uniformly stirring and mixing, adding immobilized microorganisms, uniformly mixing, granulating, coating with modified chitosan, and drying to obtain the growth regulator. Through step-by-step design of microorganism immobilization, nutrition compounding and chitosan coating, function integration of microorganism protection, nutrition release and environmental response is achieved, the colonization efficiency of rhizosphere microorganisms is remarkably improved, the soil microenvironment is improved, and finally comprehensive improvement of plant growth and stress resistance is achieved; and the method has relatively high social use value and application prospect.

The invention relates to the technical field of plant genetic engineering, and discloses application of a soybean low-phosphorus-tolerant gene GmAP2 to improvement of low-phosphorus stress tolerance of plants. Research finds that under the condition of low phosphorus stress, the expression level of the GmAP2 gene in plants is remarkably increased. The GmAP2 gene is subjected to heterologous overexpression in arabidopsis thaliana, so that stress on plants under a low-phosphorus condition can be effectively relieved, the fresh weight and lateral root length of the arabidopsis thaliana can be remarkably increased, and the growth of the arabidopsis thaliana plants is promoted. In addition, under the low-phosphorus condition, overexpression of the GmAP2 gene can improve the phosphorus deficiency symptom of the soybean, improve the absorption of phosphorus nutrients by plants and promote the growth of plant roots and leaves. Therefore, the GmAP2 gene plays a very important role in dealing with the phosphorus starvation stress environment by the plant.

The utility model discloses a retro ceramic flowerpot capable of automatically replenishing water. The retro ceramic flowerpot comprises a water storage tank; the planting groove is formed in the top of the water storage tank, a supporting bottom plate is detachably installed in the middle of the planting groove, a cotton thread used for supplementing water is arranged in the middle of the supporting bottom plate, a fixing hook plate is arranged on the side edge of the supporting bottom plate, and the top of the fixing hook plate is hooked to the edge of the planting groove. The pulling-out device is used for pulling out the supporting bottom plate from the planting groove; the automatic water replenishing device has the advantages that by means of the built-in cotton threads and the filter holes, the automatic water replenishing function of soil from the water storage tank to the planting tank is achieved, it is ensured that plant roots continuously obtain a proper amount of water, and frequent manual watering is not needed; the arrangement of the supporting bottom plate and the fixed hook plate makes it very convenient to check and transplant plants; the whole plant and the soil of the plant can be easily lifted only by lifting the fixed hook plate, so that the damage to the plant in the transplanting process is reduced.

The invention discloses a plant root system three-dimensional ventilation system based on a water-soluble PVA film and a use method of the plant root system three-dimensional ventilation system. The plant root system three-dimensional ventilation system comprises at least one water-soluble breathing core packaging unit, and the water-soluble breathing core packaging unit is formed by wrapping ventilation medium particles with a PVA packaging layer; a layer of breathable medium particles is laid at the bottom of the flowerpot, and the water-soluble breathing core packaging unit is laid on the inner wall of the flowerpot in a surrounding mode; the planting soil is filled on the breathable medium particles and on the inner side of the water-soluble breathing core packaging unit; a layer of breathable medium particles is laid on the planting soil; after the PVA packaging layer is dissolved by watering, the breathable medium particles and the planting soil are attached to form a three-dimensional breathable system. The air circulation efficiency in the flowerpot is remarkably improved, and the root stuffy and rotten problems are solved. The system has environmental protection property, adaptability and long-term effect, and is suitable for family gardening and large-scale planting.

The invention provides a degradable sodded strip for ecological restoration and a preparation method thereof, and belongs to the technical field of sodded strips, the degradable sodded strip comprises an upper-layer fiber web, a middle-layer seed and nutrient layer and a lower-layer grid which are sequentially laminated and compounded from top to bottom; the upper-layer fiber web is made of a hydrophilic degradable material and is used for absorbing moisture and preserving soil moisture; the middle seed and nutrient layer comprises plant seeds and a nutrient controlled release unit; the lower-layer grid is a three-dimensional grid which is made of a degradable high polymer material, has a three-dimensional communicated micropore structure and is used for mechanically guiding root growth; the nutrient controlled release unit is a microcapsule which takes a fertilizer as a core material and takes an environment response type polymer as a wall material, and the microcapsule is anchored in the fiber interweaving nodes of the lower layer grid through a cross-linking agent. According to the invention, environmental response type precise controlled release of plant rhizosphere nutrients and three-dimensional mechanical guidance of a root system growth path can be realized, and the utilization rate of the fertilizer and the survival rate and long-term stability of vegetation recovery under poor site conditions such as side slopes, river banks and mines are effectively improved.

The invention discloses a soybean phospholipid disease-preventing and root-promoting microbial agent as well as a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises a microbial composition, modified enzymolysis soybean phospholipid, a carrier and auxiliary components. According to the invention, the modified enzymolysis soybean phospholipid and microorganisms are combined to achieve a synergistic effect. According to the method, soybean phospholipid is modified and subjected to enzymolysis, and the steps of pretreatment, stepped low-temperature treatment, enzymolysis treatment, enzyme inactivation and purification and the like are carried out, so that the quality and performance of the soybean phospholipid are improved, the rhizosphere colonization rate of strains can be increased, the disease prevention and root promotion effects can be improved, the soil micro-ecological environment can be improved, and good growth conditions are created for plant root systems; and the disease-preventing and root-promoting effects of the microbial agent are further enhanced. The microbial agent disclosed by the invention can be used for remarkably reducing the morbidity of wheat sharp eyespot and reducing the use amount of chemical pesticides, can also be applied to planting of other crops, and can play a role in preventing and controlling various plant diseases and promoting root growth.

The invention provides a selenium-rich apricot planting method, and belongs to the technical field of fruit tree planting. The planting method comprises the following steps: soil preparation and fertilization management; performing planting; fertilization: respectively carrying out topdressing before flowering, in a flower bud differentiation period and in a fruit expansion period; and harvesting. A fertilizer for topdressing is a selenium-rich fertilizer, and the selenium-rich fertilizer is composed of a microbial fertilizer, animal manure, waste plant rhizomes, monopotassium phosphate, urea and a substance containing a selenium element; the microbial fertilizer is prepared from saline-alkaline tolerant bacillus, pseudomonas and arbuscular mycorrhizal fungi. According to the selenium-rich fertilizer disclosed by the invention, the saline-alkaline tolerant bacillus, the pseudomonas and the arbuscular mycorrhizal fungi are added into the selenium-rich fertilizer, and the enrichment effect of apricot trees on selenium in soil is improved through the synergistic effect of the saline-alkaline tolerant bacillus, the pseudomonas and the arbuscular mycorrhizal fungi, so that the content of selenium in apricots is greatly increased.

The invention relates to the technical field of gene engineering, in particular to a plant low-phosphorus-resistant important gene GsMYB10 and application thereof. Researches show that the expression of the GsMYB10 gene is induced to be up-regulated under the stress of low phosphorus, and under different phosphorus concentration treatment conditions, the over-expression of the GsMYB10 can obviously increase the biomass of a transgenic plant, so that the plant growth is promoted under the low-phosphorus condition; meanwhile, overexpression of GsMYB10 can improve the tolerance of plants to low-phosphorus stress, and reduce the inhibition effect of low phosphorus on plant root growth.