69 results about "Crop quality" patented technology

The invention discloses a seed coating containing an arbuscular mycorrhizal inoculant. The seed coating is prepared from the following components in parts by weight: 25 to 35 parts of the arbuscular mycorrhizal inoculant, 35 to 45 parts of a soil conditioner, 15 to 20 parts of talcum powder and 15 to 20 parts of polyvinyl acetate. The invention further provides a preparation method of the seed coating containing the arbuscular mycorrhizal inoculant and application of the seed coating to reduction of soil heavy metal pollution, increase of disease resistance and stress resistance of crops and promotion of crop growth. The seed coating containing the arbuscular mycorrhizal inoculant wraps the surfaces of plant seeds, provides good nutritional ingredients for growth and development of the seeds, and is beneficial to improving the germination rate of the seeds under heavy metal cadmium stress, reducing soil heavy metal cadmium pollution, improving soil quality, increasing soil fertility and improving disease resistance and stress resistance of crops; growth of seedlings is promoted, and crop quality and yield are improved.

The invention relates to a composite microbial fertilizer with a saline-alkali soil improvement effect and a preparation method thereof, and belongs to the technical field of microbial fertilizer preparation, the fertilizer comprises the following raw materials by mass: 10-30 parts of modified charcoal, 5-8 parts of a microbial agent, 30-50 parts of an inorganic fertilizer, 10-20 parts of a soil improvement agent and 3-5 parts of other auxiliary agents; wherein the modified biochar is obtained by performing segmented heat treatment modification on animal husbandry wastes; the microbial agent is obtained by immobilizing compound microorganisms by using sodium alginate gel reinforced by a mineral filler and micron-sized charcoal powder. The prepared fertilizer has the effects of improving crop quality and crop yield and improving saline-alkali soil.

The invention discloses a controlled-release potassium-magnesium fertilizer as well as a preparation method and application thereof, and relates to the technical field of controlled-release fertilizer production. Potassium magnesium crude salt recovered through salt lake carnallite flotation crystallization is used as a core raw material, high-roundness modified potassium magnesium salt composite particles are constructed through extrusion master batch forming, roller wet amplification, centrifugal polishing shaping and micropore filling and sealing, and the controlled-release potassium magnesium fertilizer is prepared through coating. The problems that potash fertilizer particles prepared through traditional extrusion granulation have many edges and corners and are not prone to film coating are solved through a multi-stage granulation process, secondary granulation is conducted through heterogeneous fine powder materials, surface micropores are filled, the surface smoothness of the particles is greatly improved, meanwhile, the influence of potassium ions on film forming is isolated, and the potassium fertilizer has the good application prospect. According to the finally prepared controlled-release potassium-magnesium fertilizer, a nutrient release curve is precisely regulated and controlled through the controlled-release film layer, double-nutrient continuous supply of crops with high potassium and high magnesium requirements is achieved, the potassium and magnesium deficiency symptoms of the crops are reduced, the crop quality is improved, and a core technical support is provided for high-value utilization of salt lake potassium ore resources and green quality improvement of the crops.

The invention discloses a bio-organic fertilizer and application thereof, belongs to the field of bio-organic fertilizers, and solves the problem of environmental pollution caused by stacking or landfill of potato residues. The bio-organic fertilizer comprises potato residue zymolyte, a decomposed organic fertilizer and a compound microbial agent, the compound microbial agent is prepared from trichoderma harzianum, bacillus subtilis and bacillus velezensis; the preparation method comprises the following steps: mixing the potato residue zymolyte, the decomposed organic fertilizer and the compound microbial agent, controlling the water content to be 40-50%, fermenting at 40-50 DEG C for 10-15 days, and airing and crushing a fermented product to obtain a finished product. The invention relates to application of a bio-organic fertilizer in quality improvement and yield increase of crops. According to the method, the potato residues which are difficult to degrade are converted into organic fertilizers with high added values through a directional enzymolysis technology, so that the problem of environmental pollution is solved; the compound microbial flora and the enzymolysis product have a synergistic effect to accelerate the conversion of organic matters; the fertilizer is rich in active organic matters and functional microorganisms, and can significantly improve the soil structure.

The application relates to an intelligent control method and system of high-pressure atomization irrigation and a storage medium thereof, and aims to solve the problem that traditional water and fertilizer management of high-value crops cannot realize real-time sensing of internal physiological states of crops, leading to inconsistent quality. The intelligent control method divides an irrigation area into multiple management partitions, randomly selects a plurality of sacrifice samples in each management partition, destructively samples the sacrifice samples, obtains true value data of crops through physiological and biochemical detection, establishes and dynamically updates an irrigation rule library based on the true value data, generates variable control instructions for each management partition in combination with real-time environmental data, and finally controls a high-pressure atomization sprinkler irrigation system to accurately execute. The application also provides a system and a storage medium for realizing the method, realizes accurate regulation and control starting from the real demand of crops, effectively improves the consistency of crop quality and the resource utilization efficiency, and has self-learning and predictive prevention and control capabilities.

The invention discloses an air circulation system for planting, and belongs to the technical field of planting devices. Comprising an air conditioner body, the input end of the air conditioner body fixedly communicates with an air conditioner near air pipe, the section, away from the air conditioner body, of the air conditioner near air pipe fixedly communicates with an air conditioner internal circulation output pipe, and the right side of the outer side wall of the air conditioner internal circulation output pipe fixedly communicates with an air suction pipe and an exhaust pipe through a three-way valve; through the integrated design, the air circulation system for planting has the remarkable beneficial effects that firstly, the system constructs a closed loop of air treatment-conveying-recycling-adjusting, the air blowing pipes and the air suction ports which are symmetrically arranged are combined, uniform flowing of air in a planting area is achieved, flowing dead angles are thoroughly eliminated, and it is ensured that the temperature and the humidity are consistent in all areas; uneven growth of crops due to local environment differences is avoided, and the quality stability of the crops is improved.

The invention discloses a mineral bioenergy fertilizer fermentation yeast as well as a preparation method and application thereof. The fermentation yeast is prepared by combining rare earth zeolite, attapulgite, lignite humic acid, rice bran, bran, monoammonium phosphate, EM bacteria, bacillus subtilis and brown sugar. The preparation method comprises the following steps: preparing a biological bacterium expanded diluent, crushing rare earth zeolite, attapulgite and lignite humic acid, carrying out ammoniation pretreatment, mixing, and carrying out a two-stage fermentation method. The prepared fermentation yeast integrates mineral substances, humic acid, microbial activity and environmental protection functions, and has the characteristics of improving the fertilizer value, reducing the fertilizer cost, promoting soil improvement and improving the crop quality. The soil biological improvement matrix prepared by conversion of the strain has the remarkable effects of good improvement effect, low cost, high speed, high yield, excellent quality and the like. The pH value of the severe saline-alkali soil is reduced from 9.77 to 7.0-7.5 in the current year; the salt content is reduced from 1.23 percent to 0.35 to 0.40 percent; the content of organic matters is increased from less than 1% to 1.5-2.0%, and a good functional effect is embodied.

The invention relates to a pesticide-fertilizer composition containing fluchlorantraniliprole and application thereof.The pesticide-fertilizer composition comprises a pesticide component and a fertilizer component, the pesticide component is fluchlorantraniliprole, the content of the fluchlorantraniliprole accounts for 0.01%-20% of the total weight of the pesticide-fertilizer composition, and the content of the fertilizer component accounts for 10%-90% of the total weight of the pesticide-fertilizer composition. The balance is an agriculturally acceptable auxiliary agent. The preparation is prepared into soluble powder, the formula is reasonable, pesticide and fertilizer promote each other, nutrition is rich, plant stress resistance is improved while pest and disease damage is prevented, and crop quality and yield are improved.

The invention provides bacillus zhangzhouensis and application thereof, and belongs to the technical field of biological agriculture, the bacillus zhangzhouensis is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34248, the preservation number is CGMCC No.34248, and the preservation number is CGMCC No.34248. The bacterial strain and the biological agent containing the bacterial strain have a good effect of improving plant stress resistance (water stress resistance), can maintain basic physiological activities of crop plants under the condition of soil water shortage or waterlogging, can further promote growth of the crop plants, and achieve yield improvement and crop quality improvement. And the bacillus zhangzhou is collected from the natural environment, is safe, environment-friendly and pollution-free, and has a wide application prospect.

The application relates to the technical field of carbon quantum material, in particular to a preparation method and application of carbon quantum dot loaded transition metal monatomic material. The preparation method of the carbon quantum dot loaded transition metal monatomic material is as follows: carbon quantum dot raw materials are mixed with a solvent to obtain a carbon quantum dot precursor solution, a transition metal-ligand precursor solution is prepared in sequence, the carbon quantum dot precursor solution and the transition metal-ligand precursor solution are uniformly mixed, and then are treated by a solvothermal method, and the carbon quantum dot loaded transition metal monatomic material is prepared by filtration. The carbon quantum dot loaded transition metal monatomic material provided by the application has good fluorescence performance, and can realize ton-level production. The production process is simple, the production equipment is easy to operate, the production cost is low, the production is green, environment-friendly and pollution-free, and can promote crop root growth, enhance nitrogen fertilizer absorption, improve crop quality, shorten the maturation period and strengthen the nutritional components in the agricultural field.

The invention discloses an insecticidal preparation based on rosemary-mint mixed oil and a preparation method and application thereof, and belongs to the crossing field of green agriculture and biotechnology. The mixed essential oil is efficiently extracted through an ultrasonic-subcritical coupling extraction process, the rosemary oil extraction rate can reach 12.1%-12.4%, the menthol retention rate reaches 95.2%-97.1%, and the solvent residue is lower than 0.01 mg / kg; a full-plant-source ternary compound system (mixed essential oil, sophora alopecuroide extract and citrus peel oil) is designed, the synergistic coefficients of 50 formulas are all larger than or equal to 1.25, and six types of pests including thrips, red spiders, aphids, whiteflies, plutella xylostella and leafhoppers can be covered; a special application technology for eight types of crops (including tea leaves and traditional Chinese medicinal materials) is established, the quality of the crops reaches the standard after pesticide application, for example, the water extract of the tea leaves is increased by 1.2%, and the astragaloside content meets the standard of Chinese Pharmacopoeia 2020 edition; the storage stability is optimized, the control effect retention rate can reach 94.7% after 6 months of normal-temperature storage, and the requirement of 2-year industrial shelf life can be met; finally, the average reduction rate of the chemical pesticide is 90.3%, and the preparation cost is less than or equal to 80 yuan / kg. The composition can replace chemical pesticides and is suitable for green prevention and control of insect pests of fruits and vegetables, fields, commercial crops and traditional Chinese medicinal materials.

An agricultural planting system applicable to a factory-based assembly-line operating mode. The system comprises a carrier body (1), a seedbed body (2), and a conveying module (3). The carrier body has a cavity for accommodating and cultivating crops. The seedbed body is provided with a starting end (201) and a terminating end (202). The carrier body moves from the starting end to the terminating end in a designated direction via a power device on the seedbed body. The conveying module surrounds the seedbed body to achieve cyclic conveying of the carrier body. The conveying module further comprises at least one direction-changing assembly (4) for adjusting the direction or angle of the carrier body to ensure correct docking with the seedbed body. The system optimizes the crop planting process, reduces manual intervention, and improves agricultural production efficiency and crop quality.

The invention discloses an application of acetyl ursolic acid in promoting the growth of burkholderia. Eight Burkholderia strains are separated from soil, the separated eight Burkholderia strains are cultured in a nitrogen-free culture medium added with 50 mg / L of acetyl ursolic acid, and the result shows that the biomass of Burkholderia can be increased by 40%-95% compared with that of a control group without acetyl ursolic acid within 24 h through acetyl ursolic acid, the Burkholderia strain has a remarkable growth promoting effect on Burkholderia, and the Burkholderia strain has a good application prospect. The core functions such as nitrogen fixation are not influenced. The concentration gradient experiment further determines that the effective concentration range of the acetyl ursolic acid on the growth promotion of the burkholderia is 5-100 mg / L, and the optimal concentration of the acetyl ursolic acid is 25-75 mg / L. Acetyl ursolic acid is used as a specific growth promoting agent of burkholderia, not only are the problems of specificity, safety and stability in the prior art solved, but also the synergistic effect of promoting growth and improving crop quality is realized.

The invention provides a composted straw composite polysaccharide microbial agent as well as a preparation method and application thereof, and belongs to the technical field of microbial agents. The composted straw composite polysaccharide microbial inoculum is prepared from the following raw materials in parts by weight: 3-5 parts of soybean oligosaccharides, 1-1.5 parts of yeast zinc, 2-3 parts of photosynthetic bacteria flora, 2-3 parts of lactic acid bacteria flora, 5-6 parts of EM bacteria, 70-72 parts of animal amino acids and 10-15 parts of trehalose. The polysaccharide is added to assist microbial fermentation, so that the microbial fermentation speed is remarkably increased, the time required for straw decomposition is shortened, the soil fertility is improved, the crop quality is improved, and diseases are reduced.

This application relates to the field of microbial fertilizer technology, specifically to a microbial suspension fertilizer based on seaweed nano-zinc oxide, its preparation method, and its application. First, *Sargassum fusiforme* (seaweed) is washed, dried, and ground into powder, then mixed with water to form an algae slurry. Alginic acid lyase is added to the *Sargassum fusiforme* slurry to obtain an enzymatic hydrolysate. Then, the *Sargassum fusiforme* enzymatic hydrolysate is mixed with zinc acetate under heating conditions. The reaction product is centrifuged, washed, and calcined to obtain seaweed nano-zinc oxide particles. Finally, the nano-zinc oxide particles and adjuvants such as compound microbial agents are formulated into a microbial suspension fertilizer. By utilizing the reaction between *Sargassum fusiforme* enzymatic hydrolysate and zinc acetate, seaweed nano-zinc oxide with more uniform particle size can be obtained, and its photocatalytic and antibacterial properties are improved. Furthermore, the microbial suspension fertilizer prepared based on this seaweed nano-zinc oxide can promote crop growth, improve crop quality, and fortify grain zinc nutrition, making it suitable for various agricultural production applications.

The invention belongs to the technical field of agricultural intelligent regulation and control, and particularly provides an agricultural greenhouse artificial intelligence regulation and control system and method based on waste heat utilization of a power plant. An agricultural greenhouse artificial intelligence regulation and control system based on power plant waste heat utilization comprises a greenhouse environment regulation and control module, a data acquisition module, a prediction module, a crop model module, an intelligent decision module and a control module. The data acquisition module can collect existing waste heat input, waste heat output and future weather information, the prediction module predicts the future thermal load demand of the greenhouse according to the current external environment and future weather forecast, and the crop model module stores environment parameters suitable for the current growth cycle of crops. The intelligent decision-making module can integrate three-party information of the real-time environment, the future prediction and the crop demand to formulate an optimal control strategy, and the control module executes precise regulation and control on the greenhouse environment, so that the production of the crops in the optimal growth environment is ensured, and the quality and the yield of the crops are improved.

The invention discloses an environment-friendly potassium sulfate organic-inorganic compound fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers. The compound fertilizer disclosed by the invention adopts a core layer-wrapping layer double-layer structure and is matched with the plant endophyte-porous mineral microcapsules, so that the core problem of low survival rate of functional microorganisms in the prior art is solved. The porous mineral shell of the microcapsule provides multiple protection for microorganisms, and the fertilizer is prepared from natural and environment-compatible raw materials and has no potential environmental risk; the double-layer structure realizes quick-slow synergistic release of nutrients, integrates quick-acting supply of inorganic fertilizers, soil improvement of organic fertilizers and microbial synergistic functions, and can improve the soil structure, enhance the stress resistance of crops and improve the quality and yield of the crops. The process is simple and controllable, complex equipment is not needed, and large-scale popularization is easy.

The application discloses a kind of auxin response SAUR gene family protein genes and purposes thereof, and belongs to the technical field of genetic engineering.The application first finds that the expression pattern of auxin response SAUR gene family protein gene HvSAUR36 is significantly positively correlated with the accumulation of valine, leucine and isoleucine.The application constructs HvSAUR36 overexpression vector and transforms tobacco, and detection shows that the content of valine, leucine and isoleucine in the leaves of transgenic lines is significantly higher than that of wild type.It is proved that the auxin response SAUR gene family protein encoded by HvSAUR36 plays a key catalytic role in the biosynthesis pathway of plant branched-chain amino acids, and provides an important target gene for crop quality improvement.The gene, its recombinant vector, recombinant bacteria and transgenic plants all have good application prospects.

The application discloses a soil Brevibacillus with ammonia oxidation capacity, an ammonia assimilation-ammonia oxidation composite microbial agent and application thereof. The strain is QN6, which has been preserved in the China General Microbiological Culture Collection Center on December 23, 2024, and the preservation number is CGMCC No.33138. The strain can efficiently convert ammonia nitrogen, increase the total nitrogen content and humic acid content of compost, and accelerate humification. The strain and compost bacillus QY6 (CGMCC No.33139) can be compounded into a double-function composite microbial agent to strengthen the ammonia assimilation and ammonia oxidation paths of compost, and provide an important technical breakthrough for solving the dual difficulties of 'difficult to preserve nitrogen and weak to promote decomposition' of compost. The strain and the double-function composite microbial agent can be used for composting, and the obtained compost product can significantly improve the soil nutrient supply capacity, promote crop growth and improve crop quality, and provide an effective technical means for agricultural waste resource utilization, soil improvement and high-quality crop cultivation.

This invention discloses a coffee shell solid-liquid dual-effect soil conditioner, its preparation method, and its full resource utilization method, belonging to the fields of agricultural solid waste resource utilization and soil improvement technology. The conditioner consists of a coffee shell biochar solid conditioner and a coffee shell liquid bio-conditioner. The solid conditioner is prepared by low-temperature anaerobic carbonization, pulverization, and compounding of coffee shells. The liquid conditioner is prepared by coffee shell pulping, anaerobic fermentation, enzymatic hydrolysis, filtration, dilution, and compounding. The liquid filtration residue is returned to the solid carbonization process, achieving 100% waste-free utilization of all components of the coffee shells. This invention provides a synergistic solid-liquid dual-effect, which can effectively repair the structure of acidic red soil, regulate pH, and achieve carbon sequestration, while simultaneously providing rapid soil nutrient replenishment and activating microorganisms, significantly improving soil fertility and the quality of tea and coffee crops. The process is simple, low-cost, and has high ecological value, making it suitable for the fields of agricultural waste resource utilization and green soil improvement.

The application discloses a kind of crop quality and yield increasing intelligent ploughing and sowing equipment, including mounting frame, the inner wall of mounting frame is fixedly installed with two partitions, the opposite side wall of two The partition is fixedly installed with connecting plate;This equipment carries intelligent quantitative material dropping structure, and the rotation of material dropping turntable is driven by motor, and the quantitative, orderly feeding of seed is realized by relying on groove, can accurately control field seeding density, completely solve the unevenness of traditional manual sowing, the drawbacks of missing and re-sowing.The uniform sowing spacing can make each crop obtain sufficient light, moisture and soil nutrients, effectively reduce the growth competition between plants, reduce the incidence of weak seedlings and diseased seedlings, and greatly improve the crop emergence rate and survival rate.Standardized sowing operation can standardize crop growth layout, help crop steady growth, improve crop quality from the source, significantly increase the overall yield per mu in the field, and realize the core planting goal of quality and yield increase.

This invention relates to the field of bioengineering technology, and more particularly to the application of *Pseudomonas fluorescens* in the control of southern root-knot nematode disease. The application includes: the use of *Pseudomonas fluorescens*, or a bacterial agent containing *Pseudomonas fluorescens*, or a siderophore secreted by *Pseudomonas fluorescens* in the control of southern root-knot nematode disease; the *Pseudomonas fluorescens* has the preservation number CGMCC No. 16925. This invention has found that *Pseudomonas fluorescens* with preservation number CGMCC No. 16925 can secrete a siderophore that can effectively inhibit the infection and reproduction of southern root-knot nematode disease, reducing the number of root-parasitic nematodes by approximately 46% and the root-knot index by approximately 37.5%, thereby effectively controlling southern root-knot nematode disease and improving crop quality. The *Pseudomonas fluorescens* and its secreted siderophore provided by this invention have significant application value in the integrated control of southern root-knot nematodes throughout their entire growth cycle.

The invention discloses a chitosan modified waterborne polyurethane coated fertilizer and a preparation method thereof, and belongs to the technical field of sustained and controlled release fertilizers. The chitosan modified waterborne polyurethane coated fertilizer comprises a nutrient core, a nano zinc oxide coating layer and a chitosan modified waterborne polyurethane coating layer from inside to outside. According to the inner-layer coating disclosed by the invention, zinc is prevented from being in contact with phosphate ions through a wrapping agent; the outer coating is grafted with 2, 2-dimethylolbutanoic acid and carboxymethyl chitosan through two reactions, the mechanical strength of the waterborne polyurethane outer coating is improved, the nutrient release period of the waterborne polyurethane outer coating is prolonged, chitosan can reduce the pH of soil and reduce fixation of zinc by the soil, meanwhile, chitosan serves as a biostimulant, the stress resistance of crops can be improved, and the yield of the crops is increased. Through double-layer coating, slow release of macroelements nitrogen, phosphorus and potassium and medium element zinc is achieved, the nutrient utilization rate is increased, and the crop quality and yield are improved.

The invention relates to the field of agricultural harvesters, and discloses a crop harvester suitable for land operation, the crop harvester comprises a machine body assembly, a cutting unit and a conveying unit, the cutting unit and the conveying unit are both located on one side of the machine body assembly, and the machine body assembly is composed of a walking mechanism and a driving mechanism; the walking mechanism is located at the bottom of the machine body assembly, the crawler belt is matched with the walking wheels through the walking mechanism, the adaptability and moving stability of the machine on rugged fields are enhanced, jolt in the operation process is reduced, and therefore the crop damage risk is reduced. The cutting unit combs the roots of crops through a comb plate, neat cutting is guaranteed, the harvesting efficiency and the crop quality are improved, the conveying unit conducts secondary cutting while conveying is conducted through auger blades, the blocking problem is effectively avoided, the smoothness of continuous operation is guaranteed, the operation process is simplified through the overall design, the labor intensity is remarkably reduced, and the working efficiency is improved. The method is suitable for large-scale farmland operation.

A method for increasing pollination, crop quality and / or crop yield and / or seed production in agricultural or horticultural crops susceptible of pollination through invertebrates of the Apidae families (bees), in particular honey bees (Apini), bumble bees (Bombini), or stingless honey bees (Meliponini), including providing agricultural, horticultural crops, or bee-yards where bees are placed in transit prior to or after pollination, providing one or more beehives within or in the immediate vicinity of the agricultural or horticultural crops to pollinate the agricultural or horticultural crops during the pollination period of the agricultural or horticultural crops or greenhouse crops or partially covered crops, in particular tunnel crops, and administering to the beehives a pollen supplement composition.

The invention discloses an agricultural remote sensing image crop segmentation method and system based on image recognition, and belongs to the technical field of computer vision and smart agriculture, and the system specifically comprises a segmentation cloud platform, an image acquisition and preprocessing module, a feature enhancement extraction module and a crop recognition and segmentation module. According to the method, a spatial position and channel double-flow attention mechanism is introduced, global position semantic features and channel semantic correlation features are extracted from a preprocessed deep feature map, double-feature fusion interaction is carried out, an enhanced fusion feature map is output, and the fusion feature map is extracted. The fusion feature map has rich spatial context information and accurate channel discrimination information, effectively inhibits background interference, significantly improves the perception capability of a subsequent deep learning model for crop global structure and spectrum channel discrimination, realizes cooperative utilization of crop fine features and global context information, and improves the crop quality. High-quality feature representation is provided for final segmentation, and wrong segmentation and missing segmentation are reduced.

The invention relates to a water-soluble nano-selenium nitraria fruit polysaccharide as well as a preparation method and application thereof, and is technically characterized in that the water-soluble nano-selenium nitraria fruit polysaccharide is prepared from arabinose, galactose, mannose, xylose, fructose, glucose and galacturonic acid, the weight-average molecular weight of the nitraria fruit polysaccharide is 9932 Da, the number-average molecular weight of the nitraria fruit polysaccharide is 5885 Da, and the peak molecular weight of the nitraria fruit polysaccharide is 8897 Da. The selenium-rich foliar fertilizer can be used as a nano-selenium foliar fertilizer, is good in absorption performance, high in bioavailability and good in organic selenium conversion effect, solves the problems that crops are poor in selenium absorption rate and low in conversion rate, not only can effectively promote the absorption rate of the crops on exogenous selenium and the conversion rate of the organic selenium, but also can promote fruit growth, enhance oxidation resistance and improve crop quality, and has a wide application prospect. The method has a wide application prospect in selenium-enriched functional agricultural production.

This invention discloses a PoUGT75C1 gene and its application in regulating the content of fatty acids and stilbene compounds in plants, belonging to the field of genetic engineering technology. The nucleotide sequence of the CDS region of the PoUGT75C1 gene is shown in SEQ ID NO.2. This invention verifies the regulatory effect of the PoUGT75C1 gene on stilbene compounds and fatty acids in plants using gene silencing and overexpression techniques. Specifically, silencing the PoUGT75C1 gene increases the accumulation of stilbene compounds, while both overexpression and silencing of the PoUGT75C1 gene increase fatty acid content and promote seed fatty acid accumulation. This invention provides a theoretical basis and genetic resources for the high-value utilization of peony germplasm resources and also offers new ideas for improving the quality of woody oil crops.

The invention discloses a rice hull ash and organic waste-based soil passivation and cadmium reduction functional compound fertilizer as well as a preparation method and application thereof, and belongs to the technical field of agricultural environment protection and solid waste resource utilization. The functional compound fertilizer consists of a fertilizer core and a coating film coating the surface of the fertilizer core, wherein the coating film contains chitosan and sodium humate in a mass ratio of 1: (1-2); on the basis of the total mass of the fertilizer core, the fertilizer core contains 60-70 wt% of decomposed animal waste, 20-30 wt% of phosphoric acid modified rice hull ash, 5-10 wt% of an alkaline passivator, 0.5-1.5 wt% of a functional microbial agent, 1-3 wt% of nano-zinc oxide and 2-4 wt% of silica sol modified calcium superphosphate. According to the functional compound fertilizer, through sequential coupling of three mechanisms of physical adsorption, chemical precipitation and biological fixation, cadmium in soil can be effectively passivated, the content of zinc in crops can be effectively increased, and double improvement of crop quality and safety is achieved.

The utility model belongs to the technical field of compound microbial fertilizer, and particularly relates to environment-friendly compound microbial fertilizer premixing equipment which comprises a bottom plate, fixing plates are mounted on two sides of the upper end of the bottom plate, a top plate is mounted at the upper ends of the two fixing plates jointly, and sliding grooves are formed in the ends, close to each other, of the two fixing plates. And sliding blocks are slidably connected into the two sliding grooves, a mounting plate is jointly mounted between the two sliding blocks, and a mixing assembly is arranged on the mounting plate. Through the arrangement of the mixing assembly, the microbial fertilizer can be uniformly mixed, blockage generated during discharging can be avoided, and the discharging effect and the stirring uniformity are guaranteed; by arranging the adjusting assembly, the height of the mounting plate can be adjusted, and then the stirring position is adjusted, so that the microbial fertilizers with different depths in the mixing barrel can be stirred and mixed, the mixing effect is greatly improved, the soil fertility and the crop growth effect can be remarkably improved, and the crop quality is met.