527 results about "Nutrient absorption" patented technology

The invention relates to the technical field of temperature regulation, in particular to an intelligent root temperature regulation system for hydroponic crops and an implementation method thereof, and the system comprises a root system oxygen consumption monitoring module, an osmotic pressure state monitoring module, a root system metabolism state analysis module, a root temperature parameter reconstruction module and a nutrient solution circulation linkage module. According to the method, the metabolic rhythm state of the root system is judged through oxygen consumption rate gradient difference calculation and trend analysis, the cell injury risk is recognized through two-parameter logic judgment by combining the osmotic pressure change amplitude and the oxygen consumption trend, and the target root temperature is selected through gray correlation analysis according to the abnormal triggering temperature and the stable state temperature; a regulation and control instruction is generated, a PID algorithm is called in combination with real-time circulation flow velocity data to adjust the pump speed, closed-loop dynamic matching of a root temperature set value and a flow velocity behavior is achieved, the adaptability of root temperature response is enhanced, the real-time regulation and control capacity for metabolic imbalance is improved, and the stability and the moisture and nutrient absorption efficiency of a water culture environment root system are effectively improved.

The invention relates to the technical field of intelligent control, in particular to a monopotassium phosphate intelligent control method and system.The method comprises the following steps that rhizosphere phosphorus and potassium concentration changes are obtained, whether the rhizosphere phosphorus and potassium concentration changes are in a critical rate interval or not is judged, an effective absorption time period identifier is generated, and an organ amplification ratio is analyzed to judge a cooperation period; and extracting a stalk concentration ratio, comparing the stalk concentration ratio with a reference interval to generate an application inhibition identifier, fusing information to judge a fertilization window, adjusting the concentration according to the root hair amplification and the water consumption rate, and generating a control instruction set. According to the method, the effective time period of phosphorus and potassium nutrient absorption of the crops is determined through crop rhizosphere phosphorus and potassium ion concentration difference calculation and average treatment, the objective interval of crop nutrient absorption rate indexes is defined, blind fertilization is avoided, the pertinence and accuracy of nutrient absorption and utilization of the crops are enhanced, the excessive application state of nutrient elements is dynamically identified, and the crop quality is improved. The risk of excessive nutrients caused by nutrient enrichment of crops is prevented, and resource waste and environmental burden are effectively reduced.

The invention relates to the technical field of agricultural environment control, in particular to an automatic environment regulation and control system for planting traditional Chinese medicinal materials, which comprises an environment quality evaluation module, an environment regulation and control demand analysis module, a planting mode optimization module and an intelligent regulation and control module. According to the method, environmental changes can be comprehensively understood by comprehensively evaluating the environmental quality, monitoring and analyzing the volatility of environmental data and judging the actual influence on the root growth of the traditional Chinese medicinal materials, a more stable and suitable growth condition is provided for the traditional Chinese medicinal materials, and fine adjustment of the environmental data is realized by simulating multi-environment combination, so that the accuracy of the traditional Chinese medicinal materials is improved. The method not only optimizes the rhizosphere environment, but also effectively promotes the absorption of the traditional Chinese medicinal materials to the target nutrient elements, enhances the growth efficiency and quality of the crops, dynamically regulates and controls the environmental parameters, further improves the nutrient absorption capacity of the traditional Chinese medicinal materials, ensures the health of the root system and the overall development of the crops, and improves the economic benefits of the crops. And synchronous improvement of production efficiency and crop quality is ensured.

The invention relates to the field of microbial fertilizers, in particular to a microbial fertilizer containing a composite biological agent and a preparation method of the microbial fertilizer, which are used for solving the problems that the existing microbial fertilizer has short survival time in soil, the nutrient release speed is difficult to control, and the effects of improving the soil environment and promoting plant growth have certain limitations. According to the preparation method, root development and nutrient absorption of crops can be effectively promoted by adding the composite biological agent, the yield and quality of the crops are improved, a membrane material with good mechanical strength and slow release performance is formed through crosslinking of sodium alginate and chitosan, effective slow release and long-term application of microorganisms and fertilizer are achieved, and the yield and quality of the crops are improved. The utilization rate of the fertilizer is increased, the validity period of the fertilizer is prolonged, the usage amount of the fertilizer is reduced, the growth and yield of crops are effectively improved, and the fertilizer has a good agricultural application prospect.

The invention discloses a regulation and control method and system for rice production, relates to the technical field of agricultural production and intelligent control, is used for solving the problems of low production efficiency, uneven crop growth and unstable quality, and calculates a light-temperature matching coefficient through real-time monitoring of a root activity index and a leaf surface transpiration amount in combination with illumination intensity and canopy temperature difference. The nutrient absorption capacity of the rice is evaluated by detecting the rhizosphere conductivity change and the soil nutrient content, when the rice growth state is poor and the resource regulation capacity is high, an enhanced regulation and control mechanism is automatically entered, and regulation and control increasing levels are set according to the current rice canopy carbon dioxide exchange rate and the current air flow disturbance index; the resource supply coefficient is calculated and the regulation rate is determined through regulation and control level increase, so that the resource supply is optimized, and the agricultural production efficiency and the resource utilization rate are improved.

The present disclosure provides compositions, kits, and systems comprising engineered bacteria and agricultural biologics, and methods of using the same to treat plants and improve one or more plant beneficial traits, such as plant yield, nutrient uptake, and resistance to abiotic or biological stress. Using the compositions, kits, and systems disclosed herein can further 5 reduce fertilizer usage. The present disclosure also proposes methods of treating plants using the engineered bacteria with agricultural biologics.

The invention discloses a fertilization recommendation method combined with a rice seedling raising fertilizer carrying technology in the technical field of agricultural production. The fertilization recommendation method comprises the following steps: S1, acquiring geology and seedling raising states; s2, presetting rice growth requirements; s3, calculating to obtain an additional nutrient amount; s4, dividing the growth cycle of the rice; s5, recommending the fertilization amount according to stages; according to the method, nutrient supply of seedling raising fertilizer is brought into a whole-growth-period fertilization plan, and accurate matching is achieved; on the premise that the yield is not affected, the fertilizing amount in the early and whole growth periods of rice is remarkably reduced, and the fertilizer utilization rate is increased; through dynamic matching of the early-stage fertilizer loading and supplying amount and the middle and later-stage fertilizer needing amount, resource waste caused by excessive fertilization is avoided, and the fertilizer cost is reduced; the nutrient proportion is scientifically distributed according to the nutrient absorption efficiency of each stage, and the fertilizer utilization rate is increased; the final yield can be improved; soil fertility indexes and historical data are combined, the profit and loss trend of soil nutrients is recognized, and cyclic utilization of the soil nutrients is achieved through dynamic matching of the sustained and controlled release fertilizer and the organic fertilizer.

Provided in the present disclosure are a method for increasing the biomass, yield and nitrogen utilization rate of crops, and an iron-rich compound fertilizer. The method comprises: supplementing and applying an iron fertilizer to a crop, wherein the microelement iron in the iron fertilizer can significantly promote the absorption and assimilation of the mineral nutrition of a nitrogen-containing chemical fertilizer by the crop to which the fertilizer is applied, thereby producing a synergistic effect, and the amount of the iron fertilizer applied to the crop is 0.37-0.74 kg per Chinese acre. Moreover, by means of the method provided by the present disclosure, the tillering number and the nutrient absorption and utilization of the crop can be improved after fertilization according to a method for field crops and normal field management of crops, thereby effectively improving the biomass, yield and nitrogen utilization rate of the crop.

The invention relates to the technical field of fertilizers, in particular to an environment-friendly water-soluble fertilizer containing a seaweed extract and polyglutamic acid. The water-soluble fertilizer is prepared by preparing seaweed oligosaccharide and double-grafted poly-L-gamma-sodium glutamate and compounding and complexing the seaweed oligosaccharide and the double-grafted poly-L-gamma-sodium glutamate, has the characteristics of low salting-out, high stability, no precipitation, good slow release performance and the like, and can continuously release nutrients and keep a solution clear and transparent under a low-salt condition; and because the polyglutamic acid and seaweed extract compound drip irrigation agent has the chelation and water retention characteristics of the polyglutamic acid and the natural growth promoting effect of the seaweed extract, the crop rhizosphere nutrient absorption efficiency and stress resistance are remarkably improved, the compound drip irrigation agent is suitable for drip irrigation and water and fertilizer integrated application of greenhouse vegetables, fruit trees and field crops, and the comprehensive effects of high efficiency, low salt load and environment friendliness are achieved.

The invention relates to the technical field of biological medicine, and discloses a formula of compound probiotic enzyme powder for promoting gastrointestinal microecological balance and nutrient absorption, by constructing a cross feeding system of bifidobacteria, lactobacillus and butyric acid bacteria and combining a stomach-intestine stage enzyme activity gradient adaptation strategy and a microenvironment response type double-layer embedding technology, the gastrointestinal microecological balance and nutrient absorption can be promoted, and the gastrointestinal microecological balance and nutrient absorption can be promoted. And cross-scale synergy of flora metabolism, substrate conversion and targeted release is realized. Wherein the sodium alginate-pectin composite embedding structure forms a pH buffer micro-area in a gastric acid environment, and proton pump gene expression of the acid-resistant strain is synchronously triggered; the prebiotics compounding and step-by-step enzymolysis process breaks through a closed-loop path of fiber degradation-flora proliferation-short-chain fatty acid generation. Compared with a traditional single-strain intervention scheme, the method has the advantages that double limitations of flora function splitting and process isolation are broken through, and systematic technical advantages are formed in the aspects of improving flora colonization stability, enhancing metabolite conversion efficiency and inhibiting pathogenic bacterium colonization.

The invention relates to the technical field of fertilization scheme analysis, and discloses a polyglutamic acid and compound fertilizer combined analysis method and equipment and a storage medium, and the method comprises the following steps: determining crops needing to be analyzed; determining a growth cycle and a critical period of the crops needing to be analyzed; determining environment conditions and nutrient absorption characteristics of crop growth, and selecting proper fertilizer types and fertilization modes; according to the selected fertilizer types and fertilization modes, combined fertilization schemes of different growth periods and different key periods are generated, and a plurality of combined fertilization schemes are generated in each growth period and key period; evaluating the advantages and disadvantages of the combined fertilization schemes, and determining the optimal combined fertilization scheme of each growth cycle and key period; and verifying the optimal combined fertilization scheme to obtain a verification analysis result. According to the invention, the optimal polyglutamic acid and compound fertilizer combined fertilization scheme can be automatically calculated according to the set target formula and crop requirements, and detailed formula proportion and cost estimation are given.

The invention discloses a nutrition improvement nursing method for a gastrointestinal digestion patient, and relates to the field of medical monitoring, and the method comprises the following steps: analyzing to obtain the current absorption amount of to-be-supplemented nutrient elements of the gastrointestinal digestion patient; analyzing to obtain a health influence coefficient of the to-be-supplemented nutrient elements on the gastrointestinal digestion patient; acquiring an absorption promotion coefficient between the to-be-supplemented nutrient elements and other to-be-supplemented nutrient elements; forming a to-be-updated recipe of the current recipe; calculating a health contribution value of the to-be-updated recipe to the gastrointestinal digestion patient; and calculating the coincidence proportion of the to-be-updated recipe relative to the current recipe, and performing recipe change on the current recipe. According to the method, the health influence coefficient is obtained through analysis, the absorption promotion coefficient is obtained, the to-be-updated recipe is formed, the corresponding health influence is obtained according to the deficiency of different to-be-supplemented nutrient elements, and the mutual influence condition existing between the different to-be-supplemented nutrient elements is also considered, so that the prediction result of nutrient absorption is closer to the reality.

The invention discloses a microbial agent for improving the yield and quality of strawberries and a preparation method and application thereof, and belongs to the technical field of microorganisms. The microbial agent comprises the following raw materials in parts by weight: 40-50 parts of a compound microbial agent, 0.3-0.5 part of xanthan gum, 1.5-2 parts of glycerol, 4-5 parts of a citric acid-sodium citrate buffer solution, 1-1.5 parts of potassium humate, 0.3-0.5 part of monopotassium phosphate, 0.2-0.3 part of chelated calcium magnesium and the balance of water, wherein the total parts by weight of the raw materials are 100; the compound microbial agent is prepared from arthrobacter Xinjiang, linear Prussella bursa-pastoris and bacillus coagulans. The microbial agent disclosed by the invention can be used for effectively preventing and treating strawberry diseases, including root rot, fusarium wilt, gray mold and anthracnose; through the synergistic effects of hormone secretion, nutrient activation, disease inhibition and the like, the microbial agent comprehensively promotes root development and nutrient absorption of strawberry plants, promotes strawberry growth, remarkably improves the strawberry yield and fruit quality, and meanwhile remarkably reduces the strawberry storage rotting rate.

The invention relates to the field of compound fertilizer analysis, and discloses an analysis method and device for combining polyglutamic acid and a compound fertilizer, computing equipment and a storage medium, and the method comprises the following steps: determining a growth cycle and a critical period of crops of which a fertilization scheme needs to be analyzed; determining environment conditions and nutrient absorption characteristics of crop growth; determining types of fertilizer raw materials and fertilization modes according to environmental conditions and nutrient absorption characteristics; combined fertilization schemes corresponding to different growth cycles are generated according to fertilizer raw material types and fertilization modes; inputting the plurality of combined fertilization schemes into a first fertilizer effect prediction model to obtain evaluation results of the plurality of combined fertilization schemes; and determining an optimal combined fertilization scheme according to the evaluation results of the plurality of combined fertilization schemes. According to the application, a polyglutamic acid and compound fertilizer combination scheme is designed according to crop requirements, and then a scheme with an optimal crop growth effect is selected according to the evaluation model, so that crops can obtain required nutrients, and the production cost is reduced.

The invention discloses a fruit and vegetable nutrition dynamic monitoring and intelligent fertilizer supplementing system, belongs to the field of fruit and vegetable planting management systems, replaces a traditional manual observation or regular soil sampling detection mode, effectively avoids subjectivity and hysteresis of manual judgment, can reflect the current nutrition state of crops in real time, provides accurate data support for dynamic nutrition management, and improves the management efficiency. The problem that in the prior art, real-time management is difficult to achieve according to the current nutrition state of crops is solved, meanwhile, accurate matching of the fertilizer type, concentration and dosage with the crop growth stage and environmental conditions is achieved in the fertilizer supplementing process, a traditional one-step nutrition supply mode is avoided, the nutrient absorption efficiency is remarkably improved, and healthy growth of the crops is promoted.

The invention provides a precise fertilization method and device for potatoes. The method comprises the following steps: acquiring a remote sensing image of a target growth stage of the potatoes; inputting the remote sensing image into a trained nutrient absorption amount inversion model, and obtaining the actual nutrient absorption amount corresponding to each pixel output by the nutrient absorption amount inversion model; based on the total nutrient demand and the actual nutrient absorption amount corresponding to each pixel, determining the nutrient deficiency amount corresponding to each pixel; and based on the nutrient deficiency amount corresponding to each pixel, by taking the plot corresponding to the pixel as a unit, carrying out precise fertilization on the potatoes. According to the precise fertilization method and device for the potatoes, the QUEFTS model and nutrient deficiency remote sensing diagnosis are combined, the nutrient deficiency amount corresponding to each pixel is determined, precise fertilization is conducted on the potatoes with the land parcels corresponding to the pixels as units, and the utilization rate of the potato fertilizer is increased.

The invention discloses an element liquid fertilizer for promoting nutrient absorption and a preparation method thereof, and belongs to the technical field of fertilizers. Comprising monoammonium phosphate; urea; potassium nitrate; cake fertilizer leach liquor; trace elements; a wetting agent; a stabilizer; a biological agent; an adsorbent; deionized water; the preparation method of the adsorbent comprises the following steps: A1, taking loofah sponge powder, and removing lignin and hemicellulose to obtain loofah sponge cellulose powder; a2, mixing the loofah sponge cellulose powder, deionized water, a chitosan solution and plant ash, mechanically pulping uniformly, performing vacuum freeze-drying treatment to form holes, crushing and grinding to obtain the adsorbent, root development can be promoted, elongation and thickening of stems are promoted, the photosynthetic rate of plants is increased, and the crop yield is increased.

The invention discloses bacillus pumilus, a complex microbial inoculant and application of the complex microbial inoculant in a saline-alkali soil four-dimensional improvement method, and belongs to the technical field of microorganism application. According to the invention, a strain of bacillus pumilus is screened, and the bacillus pumilus has excellent saline-alkaline tolerance, has multiple functions of producing organic acid, proline, siderophore, trehalose, IAA and betaine and the like, and has obvious advantages in saline-alkali soil improvement; the stress resistance of plants is improved through multiple mechanisms, nutrient absorption is promoted, the soil structure and chemical environment are improved, the stability and diversity of soil microbial communities are enhanced, and then effective treatment on the saline-alkali soil is achieved. According to the four-dimensional improvement method for the saline-alkali soil, the microbial technology, the physical technology, the chemical technology and the nutrition technology are combined, the saline-alkali soil is improved from the four dimensions of physics, chemistry, biology and nutrition, soil can be effectively improved, and repeated planting is not likely to happen.

The invention belongs to the technical field of desert agricultural engineering, and discloses a method for planting winter wheat in desert land, which comprises the following steps: S1, land pretreatment; s2, an intelligent drip irrigation system; s3, constructing a composite water retention layer; s4, finely leveling the ground; s5, accurate sowing; s6, secondary wheat cultivation; s7, performing no-tillage continuous planting; and S8, crop rotation period management. By the adoption of the laser leveling instrument and the intelligent drip irrigation system, efficient leveling and precise irrigation of the land are achieved, the labor cost and the operation difficulty are reduced, the water retention capacity of the soil is further improved through construction of the composite water retention layer, and the irrigation frequency and the water consumption are reduced. The accurate sowing and secondary wheat cultivation technology ensures uniform distribution and healthy growth of wheat seeds, and improves the emergence rate and the survival rate. By means of the no-tillage continuous planting technology, the soil turning frequency is reduced, the soil structure is protected, development of wheat root systems and nutrient absorption are promoted, and then the yield of wheat is increased.

The invention discloses a high-activity organic water-soluble fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizer preparation, the high-activity organic water-soluble fertilizer comprises a liquid organic fertilizer, an organic crop raw material, a liquid zymophyte liquid, trace elements, a preservative, a solubilizer, a foam inhibitor and a stabilizer, the fertilizer comprises the following components in percentage by weight: 10%-19% of glycerol, 10%-25% of polyglutamic acid, 0.3%-0.8% of amino acid, 3%-4.5% of citric acid, 10%-15% of urea, 8%-12% of ammonium polyphosphate, 7%-14% of potassium sulfate, 0.3%-0.8% of sodium copper chlorophyllin, 0.3%-0.4% of ammonium molybdate and 40%-50% of water, wherein the water is deionized water; the organic fertilizer provided by the invention can effectively promote crop growth, has stress resistance and collapse resistance, and is mainly specially added with polyglutamic acid which can be used in a compound fertilizer, a water flush fertilizer, a water-soluble fertilizer and a liquid fertilizer, so that the utilization rate of the fertilizer is increased, the fruit quality is improved, the root development is promoted, the root development of crops can be promoted, and the yield of crops is increased. The nutrient absorption capability of the root system is improved.

The invention provides infant rapid brewing rice flour based on enzymolysis and superfine water grinding and a preparation method thereof, and belongs to the technical field of food processing. Rice is subjected to raw material differential temperature pretreatment and multi-stage hydration pulping, and a stable three-dimensional microscopic network structure with starch particles as filler and soluble protein and colloid as a continuous phase is constructed; then, food-grade lactic acid bacteria pre-fermentation is combined with sequential action of various enzymes, and starch and protein are subjected to mild directional hydrolysis under the condition of simulating dynamic pH of gastrointestinal tract digestion, so that the nutritional and digestible infant healthy rice flour is prepared, and the problems that the rice flour is easy to agglomerate, non-uniform in dispersion and low in nutritional value during brewing are solved. The digestion and absorption efficiency of macromolecular nutrient components such as starch and protein is relatively low, and the nutrition and flavor of the product mainly depend on exogenous addition, so that the naturalness and functionality are insufficient. The rice flour disclosed by the invention has excellent reconstituability and nutrient absorption rate, and is suitable for being used as a healthy nutritional complementary food for infants of 6-36 months.

The invention discloses a special potassium-promoting signal substance-containing slow / controlled-release bulk blending fertilizer for flue-cured tobacco and a preparation method thereof, and belongs to the technical field of controlled-release fertilizer production. The coated controlled-release potash fertilizer is prepared by adding signal substances, and the utilization rate of the fertilizer can be effectively improved. Signal substances including citric acid, lauric acid, rutin, glutamic acid and berberine are synchronously released along with the potash fertilizer, and the citric acid and the lauric acid promote the activity of microorganisms and enhance the mineral dissolving capacity of the microorganisms through soil acidification and chelation, so that the nutrient absorption of plants is improved; rutin and glutamic acid significantly improve the absorption efficiency of potassium ions by adjusting the ion permeability of plant roots and the activity of transporter, and berberine further optimizes the absorption, transport and distribution of potassium ions by adjusting calcium and potassium transport systems in cells. The absorption and utilization of potassium ions by tobacco plants are improved, and the quality of tobacco leaves is improved.

The invention relates to a shiny-leaved yellowhorn cultivation regulation and control method, device and equipment based on digital twinning and a medium. The method comprises the steps that spectral signals of shiny-leaved yellowhorn plants are collected in real time through an optical fiber sensor, and a nutrient prediction model driven by machine learning is built in combination with historical data; generating an initial fertilization curve based on the current spectral signal and a preset fertilization function database, and driving the intelligent sprayer to execute precise fertilization; furthermore, a digital twinning technology is utilized to fuse and update a spectral signal and a shiny-leaved yellowhorn nutrient absorption model, the influence of different fertilization strategies on nutrient absorption is dynamically simulated, the element ratio is optimized, and a closed-loop regulation and control scheme is generated. According to the method, the problems of resource waste and yield fluctuation caused by fertilization decision lag, model stiffness and element antagonism effect in the traditional technology can be solved through real-time sensing of the plant nutrient state, dynamic adjustment of the fertilization strategy and multi-element collaborative optimization, and the precision and ecological economic benefits of shiny-leaved yellowhorn cultivation are remarkably improved.

The invention belongs to the technical field of chemical fertilizer preparation, and discloses an efficient water-soluble fertilizer based on polyglutamic acid and a preparation method thereof.The efficient water-soluble fertilizer comprises the following raw materials: polyglutamic acid which is prepared through a microbial fermentation method, has the molecular weight range of 500-1500 kDa and the purity of more than or equal to 95% and serves as a core water and fertilizer retention and nutrient slow release carrier; the high-quality fulvic acid is derived from weathered coal or biochemical extraction, the content of the fulvic acid is greater than or equal to 50%, and the fulvic acid is used for promoting root development and nutrient absorption; the humic acid takes young lignite as a raw material, the content of the humic acid is greater than or equal to 70%, and the humic acid is used for improving the granular structure and microbial activity of soil; the calcium element is added in the form of soluble calcium salt such as calcium nitrate and calcium amino acid chelate, the calcium content is larger than or equal to 10%, and the calcium element is used for enhancing the stability and stress resistance of cell walls of crops in terms of CaO; and the acid-base equilibrium stress-resistant factor comprises a silicon nanowire. The invention provides an efficient water-soluble fertilizer based on polyglutamic acid and a preparation method of the efficient water-soluble fertilizer. The water-soluble fertilizer has higher fertilizer utilization rate, better crop growth promoting effect and stronger stress resistance.

The invention discloses a process for repairing damaged soil ecology by lincomycin waste liquid fertilizer, and relates to the technical field of soil remediation, which comprises the following specific steps: step 1, screening and culturing microbial decomposition flora, the invention has the following advantages: through the chelation of the polyaspartic acid derivative on metal ions and the promotion effect on nutrient absorption, the release and transmission of nutrients are precisely regulated and controlled, so that crops can absorb and utilize the nutrients more efficiently; the nano composite material and the specific biological stimulant containing various beneficial microbial strains and natural plant extracts are jointly fused into the liquid fertilizer, the microbial strains in the specific biological stimulant activate the soil biological environment, the natural plant extracts assist plant growth to resist diseases, and the nano composite material and the natural plant extracts have a synergistic effect, so that the liquid fertilizer has a good application prospect. Physicochemical properties and biological activity of soil are optimized, excellent soil micro-ecology is created for plant growth, healthy and strong growth of plants is promoted, and restoration of damaged soil is enhanced.

The invention discloses a compound microbial organic fertilizer and a preparation method thereof, and belongs to the technical field of compound microbial organic fertilizers. The compound microbial organic fertilizer is prepared from the following raw materials in parts by weight: 8-12 parts of a microbial agent, 30-35 parts of livestock and poultry manure, 20-25 parts of crop straws, 10-15 parts of humic acid, 10-12 parts of bagasse carbon, 3-5 parts of rumen bypass fat powder, 3-5 parts of molasses and 1-3 parts of chitosan oligosaccharide. According to the compound microbial organic fertilizer, the nitrogen-fixing pseudomonas, the streptomyces elongisporus and the paenibacillus polymyxa are selected to be compounded, and the three strains comprehensively promote root development, nutrient absorption and stress resistance of strawberry plants through the synergistic effect of nitrogen fixation, nutrient activation, hormone secretion and disease inhibition. The compound microbial organic fertilizer can effectively promote growth of strawberry plants, improve the quality of strawberries, increase the yield, reduce chemical fertilizer and pesticide residues, reduce the risk of soil pollution and meet the requirements of consumers for safe and organic strawberries.

A novel hollow tine aerator has been developed that features a bevel tip and bevel ejection system for enhanced soil penetration and seamless soil core removal. This innovative design addresses the limitations of conventional aerators, enabling efficient soil aeration and improved turfgrass health. The bevel tip design, with its inclined cutting edge, minimizes resistance and facilitates smoother penetration of hard or compacted soil. The bevel ejection system, comprising an angled base on top of the tine, guides the soil core upwards and exits through the open groove, eliminating the need for manual intervention. The integration of the bevel tip and bevel ejection system offers several benefits over conventional aerator designs. Enhanced soil penetration enables deeper aeration, promoting root growth and nutrient uptake. Seamless soil core removal eliminates the need for manual dislodgement, saving time and labor. Reduced operator fatigue enhances comfort and efficiency during aeration tasks.

The invention belongs to the technical field of tree planting, and discloses an afforestation seedling raising device which comprises a base and further comprises a seedling raising assembly fixedly installed in the base and used for raising seedlings. The plastic film is placed at the top of the base, so that the plastic film forms the planting groove located in the cultivation pot, soil and the cultivation pot are separated through the plastic film, seeds can be placed in the soil of the groove for seedling raising, and after seedling raising of seedlings is completed, the plastic film is cut by means of a cutting tool such as an art knife or scissors. Each groove forms an independent individual, the seedlings in the cultivation pot can be taken out through the independent grooves formed by the plastic film, and the phenomenon that roots of the seedlings grow vigorously in the seedling cultivation process and are tightly attached to the inner walls of the seedling cultivation grooves, so that fibrous roots are broken due to excessive force in the taking-out process is avoided; the water and nutrient absorption capacity of seedling transplanting is improved, and the survival rate of seedlings is guaranteed.

The invention belongs to the technical field of artificial planting soil, and discloses fly ash-based artificial planting soil and a preparation method thereof. The fly ash-based artificial planting soil comprises the following raw materials: 30-50% of fly ash; 5-15% of pine needles; 5-20% of coco coir; 5%-10% of manure; 10-20% of honeycomb briquette slag and 5-10% of peanut shells. The coco coir and the peanut shells are quantitatively added into the fly ash, so that the air permeability and the water permeability of the artificial planting soil are greatly improved, and the obtained artificial planting soil is soft and not hardened. The peanut shells and the manure can provide nitrogen, phosphorus, potassium and other nutrients for plants and promote the growth of plant roots. The honeycomb briquette slag is used as the bottom layer of the artificial planting soil, is permeable to air and water and can adsorb heavy metal ions in the fly ash, and the heavy metal ions are prevented from affecting nutrient absorption of plants. All the raw materials are low in cost and easy to obtain, waste is processed into artificial planting soil, and the ecological environment can be prevented from being damaged by soil taking.

The invention discloses a bacterial strain for antagonizing multiple pathogenic fungi of potatoes and simultaneously promoting growth and application of the bacterial strain, and relates to the field of microbial agents, the bacterial strain is bacillus wiedmannii Bw34, the bacterial strain is preserved in China General Microbiological Culture Collection Center, the preservation address is No. 3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is November 11, 2024, and the preservation number is CGMCC NO. The preservation number is CGMCC (China General Microbiological Culture Collection Center) The compound is used for preparing a fungicide for antagonizing potato pathogenic fungi and a fungicide for promoting potato growth. The Bw34 has the effect of comprehensively preventing and treating potato soil-borne diseases, meanwhile, potato growth and nutrient absorption are promoted, and the application prospect is good.