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287 results about "Greenhouse crops" patented technology

Flowers including petunias grow easily in a greenhouse. The best plants for greenhouses include vegetables such as beets, carrots, cucumbers, lettuce, peas, peppers and tomatoes, and flowers such as orchids, daffodils, snapdragons and tulips. Tropical fruits, like bananas, may grow well in a greenhouse. Lychees can thrive in greenhouse.

Vertical hydroponic plant production apparatus

A vertical hydroponic plant production apparatus for allowing vertical hydroponic greenhouse crop production is provided. The apparatus comprises a hollow grow tube having a front face, a back face, a first end, and a second end. A slot is formed in the front face of the grow tube. A media material is insertable into the grow tube wherein the grow tube is positionable in either a horizontal position, vertical position, or any position between the horizontal position and the vertical position allowing inclined, multi-angled crop production and multi-storied conveyor style crop production.
Owner:UNIVERSITY OF WYOMING

Chile phytoseiulus persimilis propagating method

The invention discloses a method for propagating Phytoseiulus Persimilis, which comprises the steps: planting and cultivation of host plant, inoculation and feeding of Tetranychus cinnabarinus, inoculation and feeding of Phytoseiulus Persimilis as well as collection, package and refrigeration of Phytoseiulus Persimilis. The method takes mass propagation of Phytoseiulus Persimilis as the purpose, provides technical support for feeding Phytoseiulus Persimilis on scale, and provides special predacity natural enemy for Tetranychus pest mites on greenhouse crops for biological control. The invention is a production method in which living hosts (firstly host plant and host Tetranychidae are cultivated) are adopted for feeding Phytoseiulus Persimilis, and makes a series of breakthroughs on key techniques for artificial mass propagation of Phytoseiulus Persimilis. The method of the invention can lead the production cost of Phytoseiulus Persimilis to be stabilized, the production period to be 25 days, and the production scale to reach 10,000 / m<2>.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

Detecting method for greenhouse crop growth information and environment information based on multi-sensor information

The invention belongs to the technical field of greenhouse crop growth information and environment information detection, and particularly discloses a detecting method for greenhouse crop growth information and environment information based on multi-sensor information. The detecting method includes the following steps: utilizing a spectrometer, a multispectral imager and a thermal imager to obtain the spectrums, the multispectral image and the canopy temperature information of the greenhouse crop; utilizing temperature, humidity, irradiance, CO2 density, EC and pH value sensors to obtain the temperature-light-moisture fertilizer environment information of the greenhouse; optimizing the spectrum, the image and the canopy temperature characteristics of the nutrition and moisture of the crop, so as to obtain the characteristic space of NPK nutrition and moisture; extracting the morphological characters of the spectrum and the image of the crop, so as to obtain the leaf area index, the stem diameter, the plant body and the fruit growth rate of the crop; and continuously monitoring and recording and formatting the obtained greenhouse environment information of the nutrition, the water, the growth vigor and the temperature-light-moisture fertilizer of the crop, so as to serve as the comprehensive detecting information of the growth and the environment of the greenhouse crop. The information obtained by means of the method can be used for the liquid manure management and environmental control and regulation according to the actual requirement of the greenhouse crop growth.
Owner:JIANGSU UNIV

Greenhouse crop growth information real-time peer-to-peer monitoring device and monitoring method

PendingCN106406178AMaintain natural growthFully exploit production potentialProgramme controlComputer controlGreenhouse cropsEngineering
The invention relates to a greenhouse crop growth information real-time peer-to-peer monitoring device, which can perform peer-to-peer monitoring and / or test on same relative positions of all crops to be monitored / tested through carrying required sensors and / or testing instruments by means of electronically-controlled suspension rails, and ensures the consistency of monitoring and / or test results. The invention further relates to a monitoring method based on the greenhouse crop growth information real-time peer-to-peer monitoring device. The monitoring method can realize precise control of electronically-controlled devices, automatically completes the whole testing process, is fast in testing speed, can realize real-time and continuous monitoring, has the advantages of high throughput and high re-visiting ratio, and effectively improves crop monitoring efficiency. In conclusion, the greenhouse crop growth information real-time peer-to-peer monitoring device and the monitoring method can scientifically instruct facility environmental control, cultivation management and rational fertilization, improve quality and yield of agricultural products, and reduce environmental risks; in addition, the monitoring device and the monitoring method provide a powerful tool for breeding or phenotype research of facility crops, and is conductive to fully tapping the production potential of the crops through research.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Photovoltaic greenhouse solar energy distribution method based on crop growth mode and device thereof

A photovoltaic greenhouse solar energy distribution method based on a crop growth mode includes: firstly, building an illumination need model based on green house crops, a photovoltaic cell equivalent mathematical model and a luminous environment mathematical model of crop canopies, building a multi-parameter, multivariable and nonlinearity coupling pair time differential equation, achieving utilizing an optimization algorithm to design, regulate and control a photovoltaic greenhouse cell array under conditions of different illumination intensity, different illumination angles and different temperatures by solving the differential equation, and achieving solar energy reasonable distribution of photovoltaic cell maximum electric energy production under a condition which satisfies greenhouse crop growth conditions. The invention provides a device used for achieving the photovoltaic greenhouse solar energy distribution method based on the crop growth mode. The invention provides the photovoltaic greenhouse solar energy distribution method based on the crop growth mode and the device of the photovoltaic greenhouse solar energy distribution method based on the crop growth mode, and the photovoltaic greenhouse solar energy distribution method based on the crop growth mode is capable of effectively achieving greenhouse photovoltaic power generation and effective regulation and control of crop growth and energy.
Owner:浙江海宁经编产业园区开发有限公司

Compound microbes for reducing and disinfecting greenhouse soil and soil disinfection method

The invention relates to the greenhouse crop planting field, in particular to compound microbes for reducing and disinfecting greenhouse soil and a soil disinfection method, and solves the problem of multiple defects in the prior art. The compound microbes comprise bacteria, actinomycetes, saccharomycetes and moulds. The soil disinfection method includes the steps of selecting June to September as a disinfection period to apply crop straws, organic fertilizer and the compound microbes on the soil after the crops are harvested; deeply plowing soil layers to form small ridges; covering ridge surfaces with plastic film, filling enough water under the film till the soil humidity achieves 100%, and sealing the mulching film and covering the greenhouse plastic film for 20 to 25 days; and uncovering the greenhouse plastic film and removing the mulching film for planting. According to the compound microbes for reducing and disinfecting greenhouse soil and the soil disinfection method, the method is non-toxic, harmless, pollution-free and residue-free, pathogenic bacteria, ova and the like in soil plough layers are killed, soil organics are increased, the soil physical and chemical structure is improved, soil fertility is improved, and good foundation is laid for improving product qualities.
Owner:AGRI BIOTECH RES CENT OF SHANXI PROVINCE +1

Chitosan oligosaccharide composite with cold-resistant function and application of composite

The invention discloses a chitosan oligosaccharide composite with cold-resistant function, which is aqueous solution, wherein the mass concentration of the chitosan oligosaccharide is 5%-10%, other auxiliary active constituents include at least one of phosphorus, potassium, calcium, boron, molybdenum, zinc, salicylic acid and betaine, and the content of the auxiliary active constituents is 0.5%-30% of the total mass concentration of the composite. Before the flowering period and the young fruit period of fruit trees, the time of young seedling of melon and fruit, vegetables and flowers, and the cold sensitive period of the winter growth of greenhouse crops, the composite is diluted by 1000 times with water to be sprayed on the leaves of the plants for 2-3 times; the chitosan oligosaccharide composite used in the invention has the function of promoting photosynthesis of the crops, improving activation performance of various enzymes and promoting metabolism of carbohydrates; and the chitosan oligosaccharide composite is used for inducing the crops to improve stress resistance and inducing the crops to improve cold resistance, so that the crops can get through the low-temperature cold harmful period, and regular development and yield of the crops are ensured.
Owner:HAINAN ZHENGYE ZHONGNONG HIGH TECH

Straw returning biological agent for greenhouse crops and biological fermentation method

The invention discloses a straw returning biological agent for greenhouse crops and a biological fermentation method. The biological fermentation method comprises the steps: applying a compound microbial agent into a greenhouse, uniformly mixing the compound microbial agent with soil, smashed straws and manure, irrigating the greenhouse with enough water, and sealing the greenhouse for fermentation. The microbial agent enables organic matters and organic fertilizer in the soil and the straws to be quickly fermented, rotted and decomposed, and can quickly kill pests and diseases in the straws and the soil plough layer and quickly increase the content of organic matters and the fertility of the soil; heat generated by rotting fermentation of the organic manure and the straws and heat energy supplied by sunlight under a condition that the greenhouse is sealed can quickly heat the soil to create a high-temperature wet soil environment and enable the temperature in the greenhouse to reach 70 to 80 DEG C; the high temperature in the greenhouse is conducted into the soil to enable the soil temperature in the greenhouse to reach 45 to 60 DEG C; and the high temperature in the greenhouse can kill the pests and the diseases which float in the air and are attached to a wall and a material such as a plastic thin film.
Owner:寿光市固本培园农业科技有限公司

Greenhouse information automatic monitoring method based on suspension-type slide rail platform

The invention provides a greenhouse information automatic monitoring method based on a suspension-type slide rail platform. The method realizes online patrol monitoring of greenhouse crop comprehensive information of image and infrared temperature characteristics of plant nutrition, water, diseases and diseases and pests as well as plant crown breadth, plant height and fruit growth characteristicsand the like through multi-sensor information fusion by adopting a multi-sensor system, utilizing a binocular vision multifunctional camera and combining with a laser ranging sensor and an infrared temperature sensor. By mounting the multi-sensor system on the suspension-type slide platform and combining an elevating system and an electric control rotation pan-tilt, not only accurate positioningand stationary point detection can be realized in the detection heading direction, but also multi-sensor information patrol detection at different detection distance, different pitching view fields and different detection angles is realized; and by adjusting the detection range and pan-tilt azimuth angle, the method not only can detect big plants, such as tomatoes and cucumbers, but also can meetdetection requirements of lettuce and medium and small plants in different growth periods.
Owner:JIANGSU UNIV

Greenhouse control system based on single-chip machine

The invention provides a greenhouse control system based on an SCM, which comprises a greenhouse execution mechanism, a parameter detecting device used for collecting parameters of the greenhouse and an SCM for the control in the greenhouse. The greenhouse execution mechanism comprises a ventilation system, a heating system, a sunlight shedding system and a pad and fan system or an irrigation system; the parameter detecting device comprises a temperature sensor and a humidity sensor or a lighting intensity sensor; the SCM comprises a database for storing the specialist knowledge of specific crop growth or livestock breeding, a man-computer operation module used for parameter setting and the selection of crop variety or livestock variety, a greenhouse parameter control module which sends a starting instruction to the execution mechanism of the corresponding parameters by the control manner of the specialist knowledge according to the received signals of the parameter detection device; the output of the greenhouse parameter control module is connected with the greenhouse execution mechanism. The system of the invention can increase the production efficiency, reduce costs, have high control precision and can effectively meet the requirements of the growth of greenhouse crops or the breeding of livestock.
Owner:ZHEJIANG UNIV OF TECH

Identification method for stressed state of water fertilizer of greenhouse crop on basis of computer vision technology

The invention relates to an identification method for a stressed state of a water fertilizer of a greenhouse crop on basis of a computer vision technology. According to the identification method provided by the invention, a crop under a greenhouse environment is taken as a research object; a computer vision monitoring platform is constructed; a plant image cutting method which adapts to the change in natural illumination and a complex scene is researched; an obtained plant blade image is extracted at the aspects of morphology, color, grain and the like, and sufficient characteristic sets are constructed; a heuristic search algorithm, such as a genetic algorithm, a simulated annealing algorithm, an ant colony algorithm, a particle swarm optimization, or the like, is combined with a neural network technique for searching for the optimal characteristic subset; and a BP (Back Propagation) neural network is utilized to identify a stressed characteristic of the crop. A camera is moved by using a horizontal positioning system, so that the plant image is all-dimensionally obtained; the algorithm operation is realized by using a CUDA (Compute Unified Device Architecture) hardware platform, so as to meet the real-time demand on monitoring; and the invention provides a technical method for measuring destructiveness under the stressed state of the water fertilizer of the greenhouse crop and the application prospect is wide.
Owner:TONGJI UNIV

Vertical Hydroponic Plant Production Apparatus

A vertical hydroponic plant production apparatus for allowing vertical hydroponic greenhouse crop production is provided. The apparatus comprises a hollow grow tube having a front face, a back face, an open first end, and an open second end. A slot is formed in the front face of the grow tube with the slot having a width equal to only a portion of a width of the front face. A media material is insertable into the grow tube. The slot allows the front face to expand outward during insertion of the media material and biased inward against the media material once the media material is inserted. The grow tube is positionable in either a horizontal position, vertical position, or any position between the horizontal position and the vertical position allowing inclined, multi-angled crop production and multi-storied conveyor style crop production.
Owner:UNIVERSITY OF WYOMING

Vertical hydroponic plant production apparatus

A vertical hydroponic plant production apparatus for allowing vertical hydroponic greenhouse crop production is provided. The apparatus comprises a hollow grow tube having a front face, a back face, an open first end, and an open second end. A slot is formed in the front face of the grow tube with the slot having a width equal to only a portion of a width of the front face. A media material is insertable into the grow tube. The slot allows the front face to expand outward during insertion of the media material and biased inward against the media material once the media material is inserted. The grow tube is positionable in either a horizontal position, vertical position, or any position between the horizontal position and the vertical position allowing inclined, multi-angled crop production and multi-storied conveyor style crop production.
Owner:UNIVERSITY OF WYOMING

Greenhouse crop planting environment Internet of things intelligent regulation and control system and method

The embodiments of the invention disclose a greenhouse crop planting environment Internet of things intelligent regulation and control system and method. An Internet of things cloud platform receivesa first data packet which includes standardized crop planting environment data and is sent by an agricultural Internet of things gateway, and carries out data processing and data analysis on the standardized crop planting environment data according to a preset intelligent computing model, and determines that a control command is sent to the agricultural Internet of things gateway according to dataprocessing and data analysis results. Each Internet of things control device or a servo subsystem receives the various control commands of the agricultural Internet of things gateway, executes regulation and control motion, and completes the adjustment of corresponding parameters so that each parameter associated with a current crop planting environment tends to be each parameter expected value associated with a preset crop planting environment. In the scheme of the invention, for different planting areas, climates, seasons, crops, and different growers, targeted, intelligent, and personalized intelligent regulation and control can be performed.
Owner:北京紫藤智慧农业科技有限公司

Intelligent monitoring model for growing environment of greenhouse cucumber and device

InactiveCN101793560AObjectively reflect environmental dataProgramme controlRadiation pyrometryGreenhouse productionGreenhouse crops
The invention relates to a wireless monitoring node device for a growing environment of greenhouse cucumber by adopting a wireless monitoring method. The device is arranged in a wireless monitoring network of a greenhouse. The device is deployed in the greenhouse crop production field, wherein environment data are acquired through a sensor node, the acquired environment data (leaf temperature, room temperature, soil temperature, soil humidity and illumination value) are sent to a monitoring center, and the data are analyzed based on an expert knowledge base according to different periods of cucumber growth so as to provide appropriate environment parameters. A model performs weight definition on environment parameters of a germination period, a young seedling period, a leaf fling period and a fructification period of the cucumber growth by a fusion algorithm to form a digitalized expression so as to facilitate direct calculation and use of a computer. The device is a wireless monitoring device of a wireless sensing network, is efficient, reliable and convenient to operate, and is used for solving the difficulty in environment monitoring of a whole greenhouse production process by adopting a wireless sensing method.
Owner:SHANGHAI OCEAN UNIV

Vertical hydroponic plant production apparatus

A growing medium for a plant production apparatus utilized in greenhouse crop production is provided. The growing medium comprises a fibrous, non-woven matrix media material wherein the media material is constructed from a plastic material.
Owner:UNIVERSITY OF WYOMING

Trickle irrigation oxygenation method and trickle irrigation oxygenation device

The invention relates to a trickle irrigation oxygenation method and a trickle irrigation oxygenation device. The trickle irrigation oxygenation device is characterized by comprising a bucket, an oxygenation barrel, a trickle irrigation pipe network and a trickle irrigation oxygenation device of a linkage device. The bucket is connected with a water source through a water pump, the oxygenation barrel is connected with oxygenous stock solution through a pipeline, the bucket and the oxygenation barrel are connected to the trickle irrigation pipe network, a connecting rod of the linkage device is arranged in the oxygenation barrel, one end of a floating ball rod of the linkage device is arranged in the bucket, the other end of the floating ball rod of the linkage device is sleeved on the connecting rod through a sliding block, and screws controlling relative sliding of the sliding block and the connecting rod are arranged on the sliding block. When irrigation is performed for the first time after crop seedlings are transplanted to a greenhouse, irrigation treatment is performed in an earth surface mode; when crops are irrigated once again, fist ridging treatment is performed to the crops and a trickle irrigation pipe, the trickle irrigation method that the trickle irrigation pipe of the trickle irrigation pipe network is located underground is adopted, and simultaneously the screws arranged between the sliding block and the connecting rod are opened in a staging mode according to total irrigation amount so as to perform irrigation oxygenation treatment to a crop area; and repeated trickle irrigation oxygenation is performed until the crops are mature according to growing conditions of the crops. The trickle irrigation oxygenation method and the trickle irrigation oxygenation device can be widely applied to the trickle irrigation oxygenation process of the greenhouse crops.
Owner:CHINA AGRI UNIV

Greenhouse crop vine hanging device and crop cultivating method

The invention relates to the field of the agriculture greenhouse cultivation, and provides a greenhouse crop vine hanging device, and also provides a greenhouse crop cultivating method adopting same and further provides a greenhouse cultivated crop management method adopting the vine hanging device. A vine hanging cord in the vine hanging device can be controlled to open and to close, when a plant is branched, a main vine is separated from the branch through the vine hanging cord, so the main vine and the branch can be uniformly illuminated; since the crop cultivating method utilizes the vinehanging device, the crop branches can be adequately grown, and the utilization rate of the light source in summer can be improved according to the seasonable nature of crops; and since the managementmethod utilizes the vine hanging device, row spacing of plants is controllable, the utilization rate of a cultivating space can be improved, and the yield of the crop per elemental area can be increased.
Owner:BEIJING HUANONG AGRI ENG DESIGNING & CONSULTING +2

Greenhouse crop growth inspection robot

ActiveCN107486834ARealize autonomous walkingRealize monitoringManipulatorGrowth plantControl system
The invention discloses a greenhouse crop growth inspection robot for intelligent inspection over crop growth situations in a greenhouse. The greenhouse crop growth inspection robot comprises a control system module, a moving mechanism, an intelligent and smart terminal mechanism, a multiaxis mechanical arm mechanism and a special detecting mechanism. The moving mechanism is used for achieving traveling of the greenhouse crop growth inspection robot on greenhouse rails. The multiaxis mechanical arm mechanism and the special detecting mechanism are mounted on the moving mechanism. The intelligent and smart terminal mechanism is mounted at the tail end of the multiaxis mechanical arm mechanism. The greenhouse crop growth inspection robot can achieve the function of autonomous traveling on the greenhouse rails, plant growth microenvironment information in the greenhouse can be acquired and monitored at fixed points in real time through sensors carried by the robot, drain on manpower and material resources is greatly reduced, and meanwhile, the greenhouse crop management efficiency is improved.
Owner:SHANGHAI UNIV

Greenhouse crop digital-imaging method based on ARM and binocular vision

InactiveCN104794713AAccurate 3D point cloud informationImprove matching accuracyImage analysisAutomatic controlDigital imaging
The invention relates to a greenhouse crop digital-imaging method based on ARM and binocular vision. The greenhouse crop digital-imaging method includes steps of S1, calibrating a binocular video camera via a checkerboard calibration method, acquiring left-right images of greenhouse crops by the binocular video camera; S2, correcting the left-right images of the greenhouse crops of the step S1 stereoscopically by the ARM embedded platform and then matching by the improved self-adaptive weight stereoscopic matching algorithm to obtain an initial disparity map, and optimizing disparity of the initial disparity image to obtain a complete disparity map; S3, acquiring a three-dimensional point cloud of the greenhouse crops by means of the triangle ranging theory by an upper computer according to the complete disparity map of the step S2, and rendering the three-dimensional point cloud according to the left-right images of the greenhouse crops of the step S2 and displaying and storing. Compared with the prior art, the greenhouse crop digital-imaging method has the advantages that real-time three-dimensional point cloud information of the greenhouse crops can be obtained, so as to reflect growth conditions and provide control reference based on vision for automatically controlling the greenhouse environment, data accuracy is high, cost is low and the like.
Owner:TONGJI UNIV

Three-dimensional cultivation method for greenhouse crops

InactiveCN104380969ANet ground span reductionNet floor span shortenedClimate change adaptationGreenhouse cultivationGreenhouse cropsCrop cultivation
The invention discloses a three-dimensional cultivation method for greenhouse crops. The method comprises the following steps: (1) building a greenhouse, wherein the front roof angle of the greenhouse is greater than 45 degrees; (2) building a trapezoidal planting table in the greenhouse, wherein the trapezoidal planting table comprises a plurality of steps, handrails are arranged on the two sides of the steps, and the steps and the handrails can all be formed by connecting a plurality of steel pipes of different lengths; (3) placing cultivation vessels on each step of the trapezoidal planting table, and filling a cultivation medium into the vessels; (4) planting photophilous plants in the medium and planting sciophilous plants in the ground below the trapezoidal planting table. The method has the beneficial effects that the greenhouse span is shortened, the front roof angle is increased, the sunlight receiving angle of the greenhouse is increased, the temperature of the greenhouse is increased, the crops planted on the inclined plane are gradient in height, the mutual shading rate is reduced, the planting density can be increased, the yield is improved, and a shady space is formed on the lower part of the greenhouse to plant the sciophilous plants.
Owner:关慧明

BP-GA-based greenhouse crop plantation efficiency condition optimization method and system

The invention provides a BP-GA-based greenhouse crop plantation efficiency condition optimization method and system. The method comprises the following steps: acquiring sample data of greenhouse crops; according to the acquired sample data, constructing a BP neural network model of a three-layer topology structure; training the three-layer BP neural network model by use of the sample data, and mining a function relation between an input variable and an output variable; and according to the function relation and a preset scoring weight, obtaining an integrated index E, and carrying out extremum searching optimization on the function relation by use of GA so as to obtain a decision parameter, wherein the decision parameter is a corresponding input variable combination when the integrated index E is the optimal. According to the invention, an optimal decision parameter combination for improving the greenhouse crop plantation efficiency can be timely grasped, and accurate prediction can be performed; and adjustment measures can be taken timely, key factors influencing the plantation efficiency can be reasonably controlled, considerable plantation output is guaranteed, the quality is improved, resources are effectively saved, and the production cost is decreased.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Seeding, irrigation and picking all-in-one walkable agricultural greenhouse robot

The invention provides a seeding, irrigation and picking all-in-one walkable agricultural greenhouse robot. The seeding, irrigation and picking all-in-one walkable agricultural greenhouse robot is characterized by being mainly comprising a walking mechanism, a base, a seeding mechanism, an irrigation mechanism and a harvesting mechanism, wherein the walking mechanism takes a hanger bracket as guidance to guide the base to freely move in the horizontal direction relative to the ground; the base is used as a main supporting piece to organically combine all the mechanisms; the seeding mechanism can be used for separating and seeding seeds; the irrigation mechanism can be used for finishing irrigation; and the harvesting mechanism can be used for harvesting and transporting green-leaf vegetables. The agricultural greenhouse robot provided by the invention realize seeding, irrigation and picking integration in greenhouse agricultural batch production; the mechanisms are simplified and consumed energy is reduced; and meanwhile, the quality and the consistency of greenhouse crops are guaranteed and improved.
Owner:SHANGHAI JIAO TONG UNIV

Method for breeding large amount of Stratiolaelaps scimitus and Hypoaspis aculeifer (Canestrini) manually

The invention relates to a method for breeding a large amount of Stratiolaelaps scimitus and Hypoaspis aculeifer (Canestrini) manually, which is a method for breeding a large amount of the two kinds of predatory mites manually by using prey mites in a medium such as sphagnum moss and peat soil in an environment at the temperature of 18 to 30 DEG C and a relative humidity of 65 to 95 percent. The method comprises: placing the breeding medium in a breeding container; inoculating the prey mites and predatory mites in the breeding container according to a ratio ranging from 10:1 to 1,000:1; and breeding for 15 to 45 days to obtain the large amount of Stratiolaelaps scimitus and Hypoaspis aculeifer (Canestrini). In the invention, the method breeds the two kinds of predatory mites with the medium with high water retaining performance and loose texture; and the method with more desirable breeding effect, simpler operation, lower workload and longer storage period in the breeding container is the optimal method for breeding the two kinds of predatory mites commercially. The method can provide more effective predatory mite resources for the small-scale biological prevention and control of harmful sciarid fly, rhizoglyphus robini claparede, flour mites, nematode and the like in crops such as greenhouse crops and edible fungi.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI +1

Method and system for predicting transpiration of greenhouse crops

The embodiment of the invention provides a method and system for predicting the transpiration of greenhouse crops. The method comprises the steps of acquiring greenhouse environment parameters and animage of a target crop, Acquiring a target crop parameter based on the image of the target crop; Inputting the greenhouse environment parameters and the target crop parameters into a pre-trained random forest model, and outputting a predicted value of a target crop transpiration amount; Wherein the random forest model is obtained through training by using a random forest algorithm based on greenhouse environment parameter samples and target crop parameter samples. According to the embodiment of the invention, the greenhouse environment parameters are obtained in real time; meanwhile, greenhouse crop parameters are obtained in an image processing mode; Therefore, the environmental parameters and the crop parameters are used as input parameters of the random forest algorithm, the data set istrained through the random forest algorithm, prediction of the crop transpiration amount is completed, data acquisition is convenient, arrangement is simple, the environmental parameters and the cropparameters are comprehensively considered, and the transpiration amount prediction precision is improved.
Owner:CHINA AGRI UNIV

Estimation method of water consumption of greenhouse crop

The invention discloses an estimation method of a transpiration water consumption of a greenhouse crop. The estimation method is characterized by being conducted according to following steps: (1) a calculation of a physiological factor of the crop lies in calculating an effective accumulative temperature, which is calculated and obtained by utilizing an experience function relation between the physiological factor of the crop and the effective growth accumulative temperature, of a crop growth in the greenhouse; or in measuring a leaf area which is obtained by utilizing a relation expression between the physiological factor and the leaf area. (2) A calculation of an evaporation force in the greenhouse environment is to calculate and obtain an evaporation amount of a greenhouse reference crop according to a revised Penman formula; or to calculate and obtain according to the relation expression between the evaporation amount of the reference crop and the evaporation amount of an evaporation dish. (3) A calculation of a moisture stress factor lies in that a relatively effective moisture content of a soil is actually calculated, and the relatively effective moisture content is compared with a critical moisture content, and then the moisture stress factor is obtained by putting relatively effective moisture content and the critical moisture content into the corresponding experience formula. (4) The transpiration water consumption of the crop is obtained by multiplying the physiological factor of the crop, the water consumption of the reference crop and the moisture stress factor of the soil which are actually calculated.
Owner:NORTHWEST A & F UNIV

Automatic monitoring system of greenhouse crop growth conditions based on reflection spectrum

The invention discloses an automatic monitoring system of greenhouse crop growth conditions based on a reflection spectrum, comprises a first screw rod, a second screw rod and a third screw rod, wherein a sliding block with a threaded hole is respectively sleeved on the three screw rods, and the movement of any points in the three-dimensional space can be realized by a stepping motor; and a camera and a reflection probe are arranged on one screw rod, and a near-infrared light source, a spectrometer, an industrial personal computer and a relay are arranged on another screw rod. The monitoring system is capable of automatically adjusting the space position of the reflection probe by combining the reflectance spectrum and image information under the control of a remote computer and calculating a plurality of indexes, such as leaf area index, water content, chlorophyll content, and the like on the basis of the visible / near-infrared reflectance spectrum, thereby analyzing the growth conditions of crops and providing the reference for growth management of the crops. The whole system has simple structure, low cost and high automation level and realizes the aims of fast and dynamically monitoring the growth conditions of the crops in loss-free, all-sided and multi-index forms.
Owner:ZHEJIANG UNIV

Planting greenhouse intelligent monitoring system and method

The invention discloses a planting greenhouse intelligent monitoring system and method. The planting greenhouse intelligent monitoring system comprises a greenhouse frame body, a turnover transparent ceiling, a square guide rail which is laid at the top of the greenhouse, an S-shaped guide rail of the greenhouse ground, a speed control trolley on the square guide rail and a movable trolley on the S-shaped guide rail. The planting greenhouse intelligent monitoring system is characterized in that the bottom of the speed control trolley is provided with a wireless signal module and a sprinkler; the top of the movable trolley is provided with a wireless signal module and a camera, the speed control trolley, the sprinkler, the movable trolley and the camera are all connected to a computer through wireless signals, the greenhouse is internally provided with a humidity sensor, a temperature sensor and a carbon dioxide sensor, and all the sensors are connected to the computer through a bus. According to the planting greenhouse intelligent monitoring system and method, accurate spraying of manure and water to greenhouse crops can be achieved, and real-time monitoring of a planting area can be effectively achieved; meanwhile, the manpower and financial resources are sharply saved.
Owner:HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY

Local chicken breeding greenhouse with chickens and vegetables therein at same time and local chicken breeding method

The invention belongs to the field of agriculture, and particularly discloses a local chicken breeding greenhouse with chickens and vegetables therein at the same time and a local chicken breeding method. The local chicken breeding greenhouse comprises a greenhouse body formed by a wall body and a ceiling. A thermal insulation quilt is arranged outside the ceiling. A buffer room is arranged outside the greenhouse body. A local chicken breeding area is arranged on the north part of the inner side of the greenhouse body in the east-west direction. A crop planting area is arranged on the south part of the inner side of the greenhouse body in the east-west direction. According to the local chicken breeding greenhouse and the local chicken breeding method, an efficient and ecological planting and breeding combined development mode is put forward according to the characteristics of greenhouse crop growth and the requirements of local chickens for stocking and through the combination of current ecological, economic and social development requirements; economic benefits are high, management requirements are low, the technology is easy to operate and grasp, ecological benefits are good, tillage resources can be fully used, ecological environment is improved, and the greenhouse has the advantage that benefits are obtained in many years through one-time investment.
Owner:POULTRY INST SHANDONG ACADEMY OF AGRI SCI
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