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728results about How to "Improve the growing environment" patented technology

Temperature control method and system for crop greenhouse cultivation environment

The invention relates to the technical field of temperature control, in particular to a temperature control method and system for a crop greenhouse cultivation environment, and the method comprises the following steps: calculating the growth rates of crops under various temperature conditions based on the variety information of greenhouse crops, recognizing ideal temperature ranges of a plurality of growth stages, and calculating the temperature of the greenhouse crops according to the ideal temperature ranges; and a crop temperature management model is constructed by integrating ideal temperature range data of a plurality of stages. According to the invention, through calculation of growth rates of crops under various temperature conditions, identification of temperature requirements of the crops in multiple growth stages, calibration of control parameters of a temperature adjusting device, improvement of adaptability and efficiency of a temperature control system, and analysis of an illumination intensity change trend, prediction of internal temperature of a greenhouse is realized. The temperature regulation meets the actual illumination condition, energy is saved, the growth environment is optimized, it is ensured that the environment in the greenhouse is kept in the optimal state, and the market competitiveness of crops and the economic benefits of agricultural producers are improved.
Owner:HEFEI MAIBU AGRI TECH CO LTD

Quantitative layered uniform mixing and returning device for crop straws

ActiveCN119138207Aachieve reasonable distributionReasonable burial depthSpadesPlantingAgricultural scienceAgricultural engineering
The invention discloses a crop straw quantitative layering uniform mixing and returning device which comprises a straw collecting mechanism, a fan conveying mechanism, a flow dividing mechanism, a furrow opener assembly, a uniform mixing assembly and a soil covering assembly. A straw picking device and a straw conveyor are arranged at the front end of the device and used for collecting straw scattered in the field and conducting pretreatment before returning to the field; treated straw is sucked into a straw quantitative flow dividing box through a centrifugal fan, the straw is quantitatively distributed into a flow dividing guide pipe according to the returning-to-field requirement, the flow dividing guide pipe is discharged into a furrow opener, grooves with different depths are formed according to the straw returning-to-field depth requirement, and then the straw and soil are evenly mixed under the effect of a uniform mixing assembly. According to the invention, the flow distribution principle of the centrifugal fan is utilized, air ducts with different cross sections are arranged, so that straws with different volume numbers are obtained, and under the action of the furrow opener assembly and the uniform mixing assembly with different depths, the quantitative, layered and uniform mixing returning of the straws to the field is realized.
Owner:HENAN UNIV OF SCI & TECH

Activator and method for repairing organic contaminated site by targeted stimulation of indigenous microorganisms based on negative pressure infiltration promotion

The invention relates to an activating agent and a method for repairing an organic contaminated site by targeted stimulation of indigenous microorganisms based on negative pressure infiltration promotion, which are characterized in that the activating agent containing nutrient substances, a sustained-release material and a surfactant is promoted to be uniformly distributed in the contaminated site through a negative pressure effect formed in soil by vacuumizing, so that the growth and activity of the indigenous microorganisms can be stimulated, and the effect of repairing the organic contaminated site by targeted stimulation of the indigenous microorganisms is achieved. The degradation of organic pollutants is accelerated. The defects that an existing in-situ organic pollutant site repairing technology is high in energy consumption, poor in effect, incapable of achieving secondary utilization of repaired soil, small in application range and the like are overcome, the provided activating agent can be combined with indigenous microorganisms in the site in a targeted mode, nutrient substances needed by growth are provided for the indigenous microorganisms, biodegradation of organic pollutants is promoted, and the effect of in-situ repairing of the organic pollutant site is achieved. And the activating agent is uniformly distributed in the polluted site under the negative pressure effect, so that more uniform and effective in-situ remediation is realized.
Owner:SOUTHEAST UNIV

Formula and preparation process of macroelement water-soluble fertilizer based on Gobi region

The invention relates to the technical field of fertilizer production, and discloses a water-soluble fertilizer formula based on macroelements in gobi regions and a preparation process of the water-soluble fertilizer formula. The fertilizer comprises the following components in parts by weight: 30-50 parts of a nitrogen fertilizer, 40-80 parts of a phosphorus fertilizer, 80-150 parts of a potassium fertilizer, 5-10 parts of a chelating agent, 10-20 parts of a water-retaining agent, 15-30 parts of a soil conditioner, 8-15 parts of a modified composition and 2-5 parts of a trace element composition. Comprising the following steps: S1, raw material pretreatment, S2, mixing and stirring, S3, trace element addition, S4, granulation and drying, and S5, quality detection and packaging. The proportion of the nitrogen fertilizer, the phosphate fertilizer and the potash fertilizer is reasonably adjusted, the special requirements of crops in the gobi region for macroelements are met, the soil structure in the gobi region is effectively improved, the physical property of the soil is improved, and the soil acidity and alkalinity can be adjusted.
Owner:酒泉市质量检验检测中心

A vibrating mechanical weeding device based on machine vision

The present invention discloses a vibration mechanical weeding device based on machine vision, which relates to the field of agricultural machinery, and is specifically applied to intelligent field weeding of various crops in the agricultural field. The device consists of a three-point suspension, a body, a visual part, and an actuator. The device can be applied to weeding operations of various crops in different growth cycles. At the same time, the present invention adopts the traditional three-point suspension and hanging method of agricultural machinery, can be carried on various field walking platforms, and can adapt to various complex field environments. The device applies machine vision technology, deploys a visual recognition system on the device, and controls the terminal actuator to avoid seedlings and weed after identifying and locating seedlings and grass through a camera. At the same time, the device innovatively adopts a method of using a vibrating tooth comb to break the soil and bring the grass to the soil surface, which minimizes the damage to the ridge platform, and at the same time has the effect of loosening the soil, reducing the amount of chemical herbicides, protecting the ecological environment, improving the weeding efficiency, and reducing the weeding seedling injury rate.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Soil remediation fertilizer and preparation method thereof

The invention belongs to the technical field of agricultural fertilizers, and provides a soil remediation fertilizer and a preparation method thereof. The preparation method comprises the following steps: S1, sequentially drying and crushing a natural organic matter material to obtain a pretreated natural organic matter material; s2, mixing the pretreated natural organic matter material, microbial flora, a plant growth regulator, a stabilizer and a slow release agent, and performing fermentation treatment to obtain a compound fertilizer; s3, sequentially drying, granulating and packaging the compound fertilizer to obtain the soil remediation fertilizer. The soil remediation fertilizer provided by the invention can effectively solve the remediation problem of organic matter and heavy metal contaminated soil, improve the soil quality and promote plant growth, and has remarkable environmental protection and agricultural sustainable development benefits.
Owner:ZHEJIANG UNIV OF TECH +1

Plant growth environment regulation and control method, device and system and storage medium

The invention discloses a plant growth environment regulation and control method, device and system and a storage medium. The method comprises the following steps: acquiring multi-dimensional plant growth data; obtaining a growth prediction model according to the multi-dimensional plant growth data; acquiring environmental parameter data of illumination intensity, temperature and humidity and carbon dioxide concentration in real time; when the environmental parameter data fluctuates severely, an early warning mechanism is triggered, and the working parameters of the artificial light source, the humidifying equipment and the ventilation equipment are automatically adjusted according to the feedback of the growth prediction model. By means of the technical scheme, the growth quality and yield of plants can be effectively improved, manual intervention is reduced, and the planting cost is reduced.
Owner:CHONGQING ACAD OF AGRI SCI

Pig chimeric embryo culture medium and application thereof in effectively improving in-vitro chimeric ability of pig embryonic stem cells

ActiveCN119351317AIncreased proliferationStrong differentiation abilityGenetically modified cellsCulture processBiotechnologyPorcine embryos
The invention discloses a pig chimeric embryo culture medium and application thereof in effectively improving the in-vitro chimeric ability of pig embryonic stem cells, and belongs to the technical field of bioengineering. According to the pig chimeric embryo culture medium disclosed by the invention, a neutral culture environment for promoting synchronous development of stem cells and embryos is created by accurately regulating and controlling growth factors, nutrient substances and other key components in the culture medium. On the basis, overexpression of anti-apoptosis factors, optimization of microinjection conditions and adoption of a laser-assisted incubation means are combined, so that the chimeric efficiency is further improved, integration of the stem cells and embryos is effectively supported, the chimeric efficiency is improved, and a reliable in-vitro tool is provided for evaluating the chimeric ability and pluripotency of the pig stem cells.
Owner:HUAZHONG AGRI UNIV

Device and method for online detection and accurate regulation and control of sowing depth and sowing amount of peanut precision sowing machine

The invention provides a device and a method for on-line detection and precise regulation and control of the sowing depth and the sowing amount of a peanut precision seeder. An ultrasonic distance measuring sensor, an optical fiber counting sensor, a double-shaft tilt angle sensor, a linear displacement sensor, a photoelectric rotary encoder and the like are used for acquiring operation information such as the seeding depth, the seeding quantity, the seeding machine tilt angle, the expansion amount of an electric cylinder telescopic mechanism, the machine tool speed and the seeding frequency of a seeding machine in real time; through digital signal processing and conversion, STM32F103ZE single-chip microcomputer processing, control algorithm optimization, on-line detection of the seeding depth and the seeding condition of the seeder, real-time adjustment of the seeding depth and real-time reseeding, real-time accurate regulation and control of peanut seeding are realized, and it is ensured that peanut seeding meets the requirements for consistency of the seeding depth and the seeding distance; meanwhile, the whole sowing process is more automatic and efficient, manual intervention is not needed, manpower and material resources are saved, and good economic benefits are achieved.
Owner:NANJING AGRICULTURAL UNIVERSITY

Composite improved saline-alkali soil composition based on biomass charcoal and preparation method of composite improved saline-alkali soil composition

The invention relates to the technical field of saline-alkali soil improvement, and discloses a composite improved saline-alkali soil composition based on biomass charcoal and a preparation method thereof.Biomass charcoal, glucose, lactic acid bacteria, saccharomycetes, aluminum sulfate and a quaternary ammonium salt modifier are added into a stirrer to be stirred and mixed, stirring is conducted, and a mixture is obtained; and obtaining the composite improved saline-alkali soil composition based on the biomass charcoal. A quaternary ammonium salt group in the quaternary ammonium salt modifier can reduce the pH value of the soil and reduce the alkalinity of the soil, so that the salinization condition of the soil is improved, and quaternary ammonium salt can promote the activity of soil microorganisms and improve the fertility of the soil and the growth environment of crops; the siloxane is converted to be neutral by adjusting the pH value of the soil, the siloxane is beneficial to reducing the alkalinity of the soil, and a more suitable growth environment is provided for plants; wherein the contained boric acid group reduces the pH value of the soil by neutralizing alkaline substances in the soil, and has a relatively good improvement effect on the saline-alkali soil.
Owner:SHANDONG AIFUDI BIOLOGICAL TECH

Numerical analysis method for predicting speed distribution of downwash airflow of unmanned aerial vehicle in rice canopy based on fluid-structure interaction method

The invention discloses a numerical analysis method for predicting speed distribution of downwash airflow of an unmanned aerial vehicle in a rice canopy based on a fluid-solid coupling method. The numerical analysis method comprises the following steps: measuring physical parameters of rice plants based on physiological characteristics of rice; establishing a three-dimensional rice plant model based on three-dimensional geometric modeling software; dividing a three-dimensional rice plant canopy grid based on grid division software; establishing a fluid-solid coupling model of the lower washing flow field of the unmanned aerial vehicle and the rice canopy; setting an initial boundary condition and performing spatial discretization; full-coupling finite element numerical simulation of the fluid-solid coupling model is carried out; performing post-processing on the numerical simulation result based on flow field post-processing software to obtain an evolution process and spatial distribution of the downward washing flow field of the unmanned aerial vehicle and dynamic behaviors of rice plants; and analyzing the influence of the dynamic behavior of the rice plant on the downwash airflow of the unmanned aerial vehicle, and determining the distribution rule of the downwash airflow speed in the rice canopy. The problems of high time consumption, influence of external conditions, difficulty in copying, limitation and the like are effectively solved.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

A biofilm multi-stage treatment device for industrial wastewater with a telescopic mechanism

The present invention discloses a biofilm multi-stage treatment device for industrial wastewater with a telescopic mechanism, including a multi-stage treatment device body, a biological reaction tank and an aeration rod, the bottom of the aeration rod is fixedly connected to an aeration pipe, the outer wall of the aeration pipe is fixedly connected to an air dispersion nozzle, and the treatment device also includes: a receiving block and a disc. In the present invention, the first screw is driven to rotate by rotating the handle, and the two groups of first screw sleeves on the first screw move synchronously toward the center or both sides, the first connecting rod and the second connecting rod are fixedly connected to the first screw sleeve through a fixed rod, and the center of the first connecting rod and the second connecting rod is connected through a rotating shaft, so that the first connecting rod and the second connecting rod are synchronously expanded outward or contracted inward, and the disc at the bottom can synchronously adjust the spacing accordingly, thereby improving the growth environment of microorganisms, improving the purification efficiency of microorganisms, and improving the use effect of the product.
Owner:FOREVERWAY ENVIRONMENTAL SCI & TECH CO LTD

Mine microalgae carbon sequestration emission reduction and resource recycling system

The invention discloses a mine microalgae carbon sequestration emission reduction and resource recycling system. The system comprises eight modules including a microalgae culture and closed pipeline photobioreactor microalgae culture module, a CO2 capturing and conveying module and a microalgae after-harvesting and processing module. The prepared culture medium and CO2 captured by an air return way are injected into a closed pipeline photobioreactor through a conveying pipeline, and the closed pipeline photobioreactor is provided with various sensors. Monitoring data are uploaded to the intelligent data analysis and optimization module for analysis and processing, and solution filling and environment parameters are intelligently adjusted through the intelligent monitoring and automatic control module; and collecting combustible gas generated by anaerobic fermentation of the microalgae, processing the primarily screened microalgae, and filtering the mine wastewater. According to the method, efficient culture of mine microalgae, efficient emission reduction and resource utilization of CO2 in a mine return airway and cyclic utilization of wastewater can be achieved, the green and low-carbon sustainable development concept is met, and a new solution is provided for the technical field of mine carbon dioxide emission reduction.
Owner:CHINA UNIV OF MINING & TECH

Breeding box for freshwater fish breeding

The invention relates to the technical field of freshwater fish culture, and discloses a culture box for freshwater fish culture, which comprises a culture box and a feeding tank, the top of the feeding tank is fixedly connected with a feeding hopper, and a feeding mechanism is arranged in the feeding tank; the feeding mechanism comprises a motor, a vertical shaft, a disc, movable teeth and fixed teeth; the motor is fixedly connected to the outer wall of the top of the feeding tank, the output end of the bottom of the motor penetrates into the feeding tank, animal livers in the smashing chamber are smashed into small blocks through friction and collision of movable teeth and fixed teeth, swallowing of the mandarin fish fries is facilitated, growth and development of the mandarin fish fries are facilitated, a bent pipe is driven by a disc to rotate, and the feeding efficiency is improved. The feeding range is expanded through the rotating bent pipe, and the gear and the rack are arranged to move back and forth in the rotating process of the bent pipe, so that the feeding range of the bent pipe is further expanded, mandarin fish fries are prevented from being grabbed by adult fishes during concentrated feeding, mandarin fish ingestion is more uniform, and the overall mandarin fish growth efficiency is improved.
Owner:ENSHI STATE SELENIUM COLD WATER FISHERY DEV CO LTD

Feed supply control system for modern chicken farm

The invention, which relates to the technical field of modern chicken raising, discloses a feed supply control system for a modern chicken farm, comprising a chicken house environment management system and a feed management system. Wherein; the feed supply control system further comprises a remote observation module and an abnormal alarm system which are matched with the henhouse environment management system, and the connection mode is 5G wireless connection. According to the feed supply control system for the modernized chicken farm, modernized chicken raising is different from a chicken raising mode of free-ranging in rural areas, an original manual labor raising mode is abandoned, an intelligent control system is adopted to realize remote automatic raising, the labor cost and the operation cost are greatly reduced, and the chicken raising efficiency is improved. Meanwhile, the infrastructure requirement of a modern large-scale chicken farm is greatly met in the breeding process, a good growth environment is created for chicken flocks in the chicken farm, the cost investment of the chicken farm is effectively saved, and the economic benefits of farmers are guaranteed to be achieved to the maximum extent.
Owner:PINGCHANG YULU AGRI TECH CO LTD

Energy-saving and environment-friendly photovoltaic agricultural greenhouse

The utility model relates to the technical field of photovoltaic agricultural greenhouses, and discloses an energy-saving and environment-friendly photovoltaic agricultural greenhouse. According to the device, a rotating disc is fixedly connected to the lower end of a fixing frame, a rotating column is rotationally connected to the end, opposite to the fixing frame, of the rotating disc, a base is rotationally connected to the end, opposite to the rotating disc, of the rotating column, and a plurality of screws are in threaded connection with through holes formed in the upper surface of the rotating disc; and the screw rod penetrates through the turntable and is in threaded connection with a through hole formed in the upper surface of the base. Wherein the rotating column can drive the solar panel to rotate, and after rotation, a screw rod can penetrate through the rotating disc and a threaded hole in the upper surface of the base to fix the solar panel. The rotatable base can automatically adjust the angle of the solar panel according to the position of the sun and the illumination intensity so as to absorb solar energy to the maximum extent. Therefore, the energy output and efficiency of the photovoltaic system can be improved, and more clean solar power can be provided for the greenhouse.
Owner:NANJING XIMO AGRICULTURAL TECHNOLOGY CO LTD

Saline-alkali resistant cladosporium taro strain D5-11, bacterial fertilizer, soil conditioner and application thereof

The invention provides a Cladosporium Colombiae strain D5-11, a bacterial fertilizer, a soil conditioner and application of the Cladosporium Colombiae strain D5-11, and belongs to the technical field of microorganisms. The preservation number of the cladosporium taro strain D5-11 is CGMCC (China General Microbiological Culture Collection Center) No.41143. The cladosporium taro strain D5-11 promotes agglomeration of saline-alkali soil by secreting extracellular polymers uronic acid and humic acid, and the saline-alkali environment for plant survival is effectively improved; the cladosporium taro strain D5-11 has strong alkali resistance, can improve the activity of microorganisms in an alkaline environment, and is suitable for saline-alkali farmlands. In addition, the cladosporium taro strain D5-11 can also improve the oxidation resistance of the plant in a saline-alkali environment.
Owner:HENAN AGRICULTURAL UNIVERSITY

Crop monitoring method, system and device based on digital twinborn technology

The invention discloses a crop monitoring method, system and device based on a digital twinborn technology. The method comprises the following steps: acquiring real-time monitoring data of crops in a target farm area; inputting the real-time monitoring data into a preset farm digital twinborn model, and obtaining fusion feature data based on the farm digital twinborn model; inputting the fused feature data and the historical fused feature data into a monitoring prediction model to obtain a crop state prediction result; and determining a regulation and control instruction according to the crop state prediction result, and adjusting the growth environment of crops in the target farm area according to the regulation and control instruction. According to the method, the real-time monitoring data of the crops is acquired, the real-time monitoring data is processed by using the constructed farm digital twinborn model and the monitoring prediction model, and the optimal regulation and control instruction for the growth of the crops is determined, so that the growth environment of the crops is optimized, the crops are accurately monitored and regulated, and the yield of the crops is improved.
Owner:HEYUAN POLYTECHNIC

Autotrophic denitrification filler for denitrification and preparation method thereof

The invention relates to the technical field of denitrification fillers, in particular to an autotrophic denitrification filler for denitrification and a preparation method thereof. The autotrophic denitrification filler comprises the following raw materials in parts by weight: 80-100 parts of sulfur powder, 8-12 parts of zinc carbonate powder, 8-12 parts of clay, 4-6 parts of ferric oxide, 4-6 parts of polyhydroxyalkanoate, 4-6 parts of sugarcane cellulose, 1-3 parts of cotton, 1-3 parts of a binder and 1-3 parts of a cross-linking agent. According to the method, in the high-frequency ultrasonic treatment, the sulfur powder and sodium sulfide are in non-uniform contact, so that non-uniform sunken dissolving positions can be generated on the surface of the sulfur powder, the specific surface area of the sulfur powder is effectively increased, and after the sulfur powder is used as a main raw material to prepare the filler, the filler has a relatively large contact reaction area with sewage; a good attachment and growth environment is provided for denitrifying bacteria, and the purification effect of the autotrophic denitrification filler for denitrification is improved.
Owner:SHANDONG LONGANTAI ENVIRONMENTAL PROTECTION SCI TECH CO LTD

Intelligent anoectochilus formosanus cultivation system

The invention relates to the technical field of intelligent cultivation of anoectochilus formosanus, and discloses an intelligent cultivation system for anoectochilus formosanus. The system collects anoectochilus formosanus production environment data through an environment monitoring module and a water and fertilizer management module, and sends the collected data to a data analysis module through a wireless transmission protocol; the data analysis module calculates the optimal growth temperature, the sunshine duration, the growth moisture demand, the nutrient concentration, the photosynthetically active radiation, the fertilizer ratio and the soil moisture saturation according to the data and calculates the expected maturation time of the anoectochilus formosanus by integrating the numerical values, and the growth monitoring module analyzes the expected maturation time of the anoectochilus formosanus. And judging whether the expected maturation time of the anoectochilus formosanus accords with the expected time of the system or not, if not, generating a cultivation adjustment signal, and performing intelligent adjustment on the growth environment of the anoectochilus formosanus by an intelligent adjustment module according to the cultivation adjustment signal, and generating an anoectochilus formosanus cultivation optimization report. And the user interaction module sends the anoectochilus formosanus cultivation optimization report to the intelligent display terminal.
Owner:SHANGRAO GUANGXIN YUNTIAN AGRI CO LTD

Agricultural meteorological data processing system and method thereof

The invention discloses an agricultural meteorological data processing system and method, and the method comprises the steps: carrying out the preprocessing of historical growth data and historical meteorological data, and obtaining a historical growth sample data set and a historical meteorological data sample set which affect different growth cycles of a to-be-detected crop; training the historical growth sample data set and the historical meteorological data sample set to obtain a crop meteorological model influencing the growth of the to-be-detected crop; acquiring real-time growth data of crops to be detected and real-time meteorological data of the planting area of the crops to be detected, and inputting the real-time growth data and the real-time meteorological data into the crop meteorological model for analysis to obtain meteorological characteristic data influencing crop growth; preprocessing the meteorological characteristic data to form meteorological time sequence data of the crops to be measured in different growth periods; and predicting the growth risk situation of the to-be-detected crop according to the meteorological time sequence data. According to the invention, the meteorological data of each growth stage of crops can be predicted from details, and the precision and reliability of the growth data in the time period are improved.
Owner:GUANGXI NORMAL UNIV OF SCI & TECH

Recovery device for mining wasteland vegetation

The invention relates to the technical field of ecological restoration, in particular to a mining wasteland vegetation restoration device which comprises a vegetation carpet, a plurality of fixing holes are formed in the vegetation carpet, fixing piles are detachably connected into the fixing holes, and a first water collecting assembly is arranged on the vegetation carpet; each fixing pile comprises a functional cylinder and a piercing cylinder, each functional cylinder comprises a water storage cavity, a fertilizer storage cavity and a water conveying cavity, a second water collecting assembly is arranged on the outer side wall of each water storage cavity, an electromagnetic valve is fixedly connected to the communication position of each water storage cavity and the corresponding fertilizer storage cavity, the electromagnetic valves are in signal connection with a control system, the fertilizer storage cavities communicate with the vegetation blankets, and water-soluble films are arranged at the communication positions of the fertilizer storage cavities and the vegetation blankets. By means of soil moisture detection, rainwater grouping collection, fertilization and irrigation judgment and irrigation opportunity control, synchronous and intelligent irrigation and fertilization and water-saving irrigation for mine wasteland vegetation recovery are achieved, and the vegetation recovery efficiency is improved.
Owner:LIAONING TECHNICAL UNIVERSITY

Cultivation method for improving quality and yield of intercropped corn

The invention provides a cultivation method for improving the quality and yield of intercropped corn, and relates to the technical field of corn planting.The cultivation method comprises the following steps that a corn and soybean intercropping mode of 3: 2 is adopted, the corn line spacing is controlled to be 55-65 cm, the soybean line spacing is controlled to be 35-45 cm, and the distance between corn and soybeans is controlled to be 45-55 cm; the ratio of the corn planting density to the soybean planting density is controlled to be 1: 3, and basil and borage are planted at intervals in an auxiliary mode; performing soil deep ploughing after harvesting in autumn; according to the method, the corn and the soybeans are intercropped, the intercropping mode is reasonably controlled, the legume crops can convert nitrogen in the atmosphere into nitrogen fertilizer capable of being absorbed by plants through the nitrogen fixation effect, necessary nitrogen elements are provided for the corn, growth and development of the corn are promoted, and the root systems of the legume crops can improve the soil structure and improve the fertility and breathability of the soil; growth of corn root systems and nutrient absorption are facilitated, so that the quality and the yield of the corn are greatly improved.
Owner:ANHUI FENGCE SEED TECH CO LTD

Early-promoting high-quality light and simplified production method based on grape nutrition regulation and control

The invention relates to the technical field of grape planting, in particular to a grape nutrition regulation-based early-maturing high-quality light and simplified production method, which comprises the following steps of: regulating nutrition distribution in a germination period, and taking moisture-preserving and rain-sheltering measures on the ground and branches; regulating and controlling nutrient distribution in the flowering period to control branch growth, and ensuring the fruit setting rate based on pinching measures; management is conducted in the fruit expanding period, on the basis of vigorous growth control combined with high photosynthetic management, the photosynthetic efficiency of leaves is ensured, soil and leaf fertilization are adjusted, and it is ensured that nutrient supply meets the fruit expanding requirement; nutrition in the color changing period is regulated and controlled, fruit color changing is promoted based on trunk girdling, specific fertilizer is sprayed to leaf surfaces, and it is ensured that the fruit ripening and color changing process is accelerated; management is conducted in the acid-removing and sugar-increasing period, and the fruit acidity is gradually reduced based on regulation and control of nutrient distribution and fertilization measures. According to the method, the efficiency of early-maturing, high-quality and light-weight production of grapes is improved.
Owner:HUNAN AGRI UNIV +1

Prawn culture-oriented ecological environment condition dynamic evaluation system

The invention discloses a prawn culture-oriented ecological environment condition dynamic evaluation system, and relates to the technical field of culture, prawn metabolism states under different salinity are tested through a test module, the influence of salinity on prawn metabolism can be analyzed, an appropriate salinity range is preliminarily screened out by constructing an influence coefficient Yxxs, and the salinity of prawns can be evaluated according to the influence coefficient Yxxs. According to the method, the defects of traditional empirical judgment are overcome, salinity optimization is more scientific and digitized, and the survival rate and the culture efficiency of the prawns are improved. The survival rate Chz is obtained through secondary screening of the survival analysis module and in combination with survival conditions lasting for the same duration under different salinity, and the salinity in the culture pond is further optimized according to the value, so that the influence of salinity change on prawns can be continuously monitored, the culture environment can be dynamically adjusted, and the survival rate of the prawns is improved. It is ensured that prawns grow under the optimal survival condition, and therefore the death risk caused by environment changes is reduced.
Owner:QINGDAO EXCELLENCE OCEAN GRP CO LTD +2

Fertilizer composition and application thereof in preparation of water-soluble fertilizer

The invention relates to a fertilizer composition and an application thereof in preparation of a water-soluble fertilizer, and relates to the technical field of fertilizers, the fertilizer composition comprises the following raw materials by weight: 7-12 parts of Linggui curcuma zedoaria decoction dregs, 2-5 parts of rabdosia lingua, and 15-25 parts of glycerol. According to the invention, the herb residues of the Linggui Zhugan decoction, the rabdosia rubescens and the glycerol in a proper proportion are matched for use, so that the growth and development of plant root systems can be obviously promoted, and the water-soluble fertilizer is particularly suitable for being used as a high-efficiency fertilizer additive and is used for preparing a special water-soluble fertilizer for Chinese medicinal materials such as angelica sinensis, so that the effects of increasing the yield of the angelica sinensis and improving the quality of the angelica sinensis are realized. The invention provides a new technical means for the secondary utilization of the herb residues of the Linggui curcuma zedoary decoction and the planting of traditional Chinese medicinal materials such as Chinese angelica, and has wide practical application value.
Owner:SICHUAN SHUDAO AGRI TECH DEV CO LTD

Device and method for monitoring metabolic gas of bred chickens

The invention relates to the technical field of metabolic gas monitoring, in particular to a device and method for monitoring metabolic gas of bred chickens, the device comprises a chicken raising room, a plurality of separated raising areas are uniformly arranged on the bottom surface in the chicken raising room, a sliding rail is fixedly arranged on the inner wall of the upper end of the chicken raising room, a sliding rod is slidably connected to the sliding rail, and a sliding groove is formed in the bottom surface of the sliding rod; a sliding block is slidably connected into the sliding groove, a multi-stage electric cylinder is installed on the sliding block through an installation base, a circular block is fixedly arranged on the bottom face of a piston rod in the middle of the multi-stage electric cylinder, an air suction cover and an atomization nozzle are fixedly connected to the bottom face of the circular block, the air suction cover communicates with an air suction hose, and the atomization nozzle communicates with a water conveying hose. According to the invention, the flexibility of the monitoring device is enhanced, so that the air suction cover can be accurately positioned to an air discharge point at any height and position in a chicken raising room to adapt to the activity habits of chickens at different growth stages or different varieties, the accuracy and comprehensiveness of monitoring data are ensured, and powerful support is provided for the overall evaluation and regulation of a raising environment.
Owner:YUNNAN ANIMAL SCI & VETERINARY INST

Transplanting process for planting and cultivating green seedlings

The invention relates to the field of green planting, and discloses a transplanting process for planting and cultivating green nursery stocks, which comprises the following steps: S1, preparation before transplanting: preparing before transplanting the green nursery stocks; s2, performing soil fixation operation before transplanting: performing soil fixation on the transplanted greening nursery stocks before transplanting the greening nursery stocks so as to improve the survival rate of the greening nursery stocks; s3, nursery stock transportation: carefully hoisting the nursery stocks bound with the soil balls to a transport vehicle, and transporting the nursery stocks to a specified place for transplanting. In the soil fixation operation before transplanting, the soil fixation agent is prepared according to a scientific and accurate proportion aiming at different types of water-retaining agents and soil adhesives matched with the water-retaining agents, so that the soil stability of the root can be effectively enhanced, the soil ball loosening risk is reduced, damage to the root system due to improper use of the water-retaining agents or the adhesives is avoided, and the survival rate of the root system is improved. Therefore, the survival rate of the seedlings in the transplanting process is obviously improved.
Owner:SHENZHEN QIANSE LANDSCAPE DESIGN CO LTD

Biological fertilizer water retention agent, preparation method thereof and compound fertilizer

The invention relates to the technical field of fertilizers, and particularly discloses a biological fertilizer water retention agent, a preparation method thereof and a compound fertilizer. The preparation method of the biofilm fertilizer water retention agent comprises the following steps: preparing loaded microorganisms; adding polyglutamic acid and glucan into water, uniformly stirring, adjusting the temperature of the system to 50-70 DEG C, cooling, adding the loaded microorganisms, and uniformly mixing to obtain a premix a; adding cross-linked carboxymethyl cellulose and silica fume into the premix a, and uniformly mixing to obtain a premix b; and uniformly mixing guar gum, polyvinyl alcohol and carboxymethyl cross-linked dextran gel, adjusting the water content of the system, stirring, cooling, adding into the premix b in a stirring state, stirring, and carrying out post-treatment to obtain the biofilm fertilizer water retention agent. The invention discloses a compound fertilizer and a preparation method thereof. Through the synergistic effect of various effective components, the water-retaining and fertilizer-retaining capacities of soil are improved, and the water-retaining and fertilizer-retaining agent is used for compound fertilizers, promotes plant growth and is suitable for large-scale popularization and application.
Owner:ANHUI ACAD OF AGRI SCI ECONOMIC CROPS RES INST +1

Fine winter wheat agricultural weather suitability forecasting method and system

The invention relates to the technical field of agricultural weather forecasting, in particular to a refined winter wheat agricultural weather suitability forecasting method and system, and the method comprises the steps: obtaining basic data, predicted meteorological data and soil moisture data of winter wheat in a perennial development period; calculating an initial accumulated temperature index of each development period based on the basic data of the winter wheat perennial development period, and predicting the next development period by combining the initial accumulated temperature index and the daily average temperature; constructing a growth and development suitability forecasting model in the development period; constructing a key farming activity suitability forecasting model; the predicted growth and development suitability is obtained, the growth and development suitability grade is judged, the predicted sowing and harvesting suitability is obtained, and the sowing and harvesting suitability grade is judged; based on the growth and development suitability level, obtaining prevention measures for improving farming activities of the winter wheat, and based on the sowing and harvesting suitability level, obtaining sowing and harvesting activities. The capability of coping with meteorological changes is enhanced, and the precision and automation level of agricultural meteorological service is improved.
Owner:SHANDONG PROVINCIAL CLIMATE CENT