62 results about "Greenhouse soil" patented technology

The invention belongs to the technical field of biological organic fertilizer production, and particularly relates to a multifunctional biological organic fertilizer for enhancing soil microbial activity and a preparation method thereof. The multifunctional biological organic fertilizer for enhancing soil microbial activity is prepared from the following raw materials in parts by mass: 40-60 parts of an organic fertilizer base material, 10-15 parts of a plant extract, 3-6 parts of modified nano-hydroxyapatite, 2-6 parts of a compound fermentation inoculant and 2-5 parts of a surfactant, the multifunctional biological organic fertilizer can improve secondary salinization greenhouse soil, increase the content of organic matters, reduce the morbidity of tomato soil-borne diseases, and increase the fruit number of a single plant, the weight of a single fruit and the acre yield of tomatoes.

The utility model belongs to the technical field of agricultural machinery, and particularly relates to vegetable greenhouse soil disinfection equipment which comprises a trolley, a traction frame is hinged to one end of the trolley, a bearing plate is fixedly connected to the top end of the trolley, a steam generator is fixedly installed on the bearing plate, and an air injection assembly is arranged below the bearing plate. The air injection assembly is communicated with the steam generator through a pipeline, a connecting assembly is arranged on the bearing plate, the air injection assembly is connected with the bearing plate through the connecting assembly, and a lifting mechanism is arranged on the trolley and used for lifting the air injection assembly. The device is easy to operate, high in automation degree and capable of reducing the labor intensity of workers.

The utility model relates to the technical field of fertilizing equipment, and discloses a high-efficiency fertilizing device for greenhouse vegetables, which comprises a plurality of n-shaped frames arranged in a greenhouse soil body, and further comprises a plurality of connecting members arranged on the n-shaped frames and capable of moving in the n-shaped frames, and a plurality of fertilizer application devices arranged on the n-shaped frames, the liquid fertilizer storage tank is arranged on the connecting component and suspended above the greenhouse vegetables through the connecting component, and the liquid fertilizer storage tank is further filled with a plurality of different types of liquid fertilizers; the covering shell is arranged on the surface of the liquid fertilizer storage box and located on the outer side of the greenhouse vegetables; the multi-dimensional fertilization component is arranged on the cage housing, is communicated with the liquid fertilizer storage tank, and is used for selectively extracting different types of liquid fertilizers and spraying the liquid fertilizers onto the vegetables in the cage housing. The efficient fertilizing device for the greenhouse vegetables aims at solving the problems that in the planting process of the greenhouse vegetables, a traditional fertilizing mode is low in efficiency, insufficient in precision and high in cost.

The invention relates to the technical field of temperature control, in particular to a temperature control method and device for a nursery stock greenhouse cultivation environment and a storage medium. The method comprises the following steps that an in-greenhouse temperature influence model is established, the in-greenhouse temperature influence model can predict the in-greenhouse air temperature according to the in-greenhouse soil temperature, and optimization is carried out by considering the influence of the out-greenhouse air temperature on the in-greenhouse air temperature; acquiring a seedling target soil temperature range and a target air temperature range at the current seedling growth stage, starting an air temperature adjusting strategy when monitoring that the real-time in-greenhouse air temperature is not within the target in-greenhouse air temperature range, and judging whether the in-greenhouse soil temperature is within the target in-greenhouse soil temperature range or not; and if the soil temperature in the greenhouse is not within the range of the target soil temperature, adjusting the soil temperature. According to the method, the response speed and adaptability to environmental changes are greatly improved, and more stable and suitable growth conditions are provided for nursery stocks.

The invention provides a training method of a soil moisture prediction model and a soil moisture prediction method and device.The training method of the soil moisture prediction model comprises the steps that in a greenhouse east-west ridge planting scene, sample multi-source heterogeneous data and monitoring point corresponding features are used as graph node vectors; constructing a graph neural network by taking the position correlation and the moisture migration prediction quantity among the graph nodes as edge vectors; rebuilding migration information of the soil moisture sensing data to obtain soil moisture motion features, and updating edge vectors according to the soil moisture motion features; performing graph convolution operation on different views of soil moisture to obtain a plurality of view features, performing fusion and position coding in sequence, and updating graph node vectors according to the coded view features; and performing iterative training on the target network according to the sample multi-source heterogeneous data to obtain a soil moisture prediction model. According to the method, the heterogeneity of the internal environment of the greenhouse and the spatial difference of the soil moisture are accurately represented, and the prediction accuracy of the soil moisture of the greenhouse is improved.

The invention relates to the technical field of phytoremediation of heavy metal contaminated soil, in particular to a method for remedying facility vegetable field heavy metal cadmium contaminated soil through lettuce-sunflower intercropping. Biochar is applied to improve the structure and performance of greenhouse soil, then vegetable crop lettuce and portulacaceae ornamental plant sunflower are intercropped, the heavy metal cadmium in the soil is removed or remarkably reduced through the effects of absorption, complexation, stabilization and the like under the interaction effect of plant combinations, and the heavy metal cadmium is enriched at the roots of the ornamental plants and prevented from entering a food chain. The method is environment-friendly, has the advantages of being easy to operate, low in cost, free of fallow, free of influence on normal production activity and the like, and is suitable for in-situ remediation of agricultural soil polluted by medium-low-concentration cadmium.

The application relates to the technical field of sensors, and discloses a soil temperature and humidity sensor for a smart agricultural greenhouse, which comprises a shell, an installation assembly for connecting the shell with the outside world is arranged on the outer side of the shell, and a partition plate is fixedly arranged in the shell. When the soil temperature and humidity is monitored, the probe rod can be adaptively deflected when the roots of trees reach the probe rod, so that the probe rod cannot be damaged by the thick roots of trees, the probe rod can be retracted when the probe rod is deflected to the limit and cannot be deflected, the probe rod cannot be damaged by the continuously growing roots, the probe rod is further protected, the position of the land can be marked when the probe rod is deflected, the roots can be known according to the dye on the surface of the soil body after the probe rod is retracted into the shell, the insertion of the probe rod cannot be continuously carried out, and the insertion position of the probe rod can be replaced by the staff.

The utility model relates to the technical field of greenhouses, and provides a greenhouse slip drop prevention device which comprises a supporting column and a supporting beam, a first connecting assembly is arranged between the supporting column and the supporting beam, a water guide groove is further installed at the end, close to the supporting beam, of the supporting column, and a second connecting assembly is arranged between the water guide groove and the supporting column. A first film fixing frame is fixedly installed at the end, away from the supporting column, of the supporting beam, a second film fixing frame is fixedly installed on the side, close to the supporting beam, of the water guiding groove, a greenhouse film is arranged between the first film fixing frame and the second film fixing frame, and the end, close to the second film fixing frame, of the greenhouse film is located above the water guiding groove. According to the utility model, water drops condensed on a greenhouse film can directly slide into the water chute, so that the water drops are prevented from falling into crops and greenhouse soil, the occurrence of diseases is reduced, and meanwhile, the assembly is convenient and fast, and the assembly efficiency is high.

The application of microbial agent and biochar in the prevention and treatment of tomato root-knot nematode disease is disclosed, which relates to the technical field of tomato root-knot nematode prevention and treatment. The microbial agent is Pseudomonas plecoglossicida, the dosage of Pseudomonas plecoglossicida is 2 kg per mu, and the application amount of biochar is 1 t per mu. Pseudomonas plecoglossicida is dripped into water by drip irrigation, and is dripped once every 20 days. Biochar is applied as base fertilizer before tomato planting. After data measurement, arrangement and analysis, it is found that in the greenhouse soil infected with root-knot nematode disease in Hexi region of Gansu province, when the dosage of Pseudomonas plecoglossicida is 2 kg per mu, and the application amount of biochar is 1 t per mu, the tomato grows well under the condition, the quality is better, and the root-knot nematode disease has better control effect.

The invention discloses application of combination of a microbial agent and biochar in prevention and treatment of tomato root knot nematode disease, and relates to the technical field of tomato root knot nematode prevention and treatment, the microbial agent is purpureocillium lilacinum, the dosage of the purpureocillium lilacinum is 2kg / mu, and the application amount of the biochar is 1t / mu. Purpureocillium lilacinum is dripped into water by drip irrigation once every 20 days. The biochar is applied as a base fertilizer once before tomato field planting. Data determination, arrangement and analysis show that in facility greenhouse soil infected with root knot nematode diseases in Hexi region of Gansu Province, when the use amount of purpureocillium lilacinum is 2kg / mu, the use amount of charcoal is 1t / mu. Under the condition, the tomato growth is facilitated, the quality is better, and a better control effect on the root knot nematode disease is achieved.

The invention relates to a comprehensive fertilizing method for three-crop rotation in a greenhouse, and relates to the technical field of plant nutrition. The method comprises the following steps: selecting three different crops of tomatoes, muskmelons and corns in a greenhouse for crop rotation to form a three-crop rotation mode of early-cropping tomatoes in spring, summer-cropping muskmelons and later-cropping corns in autumn; the base fertilizer of the early-crop tomatoes in spring is composed of corn straw, an organic fertilizer, a compound fertilizer and soil which are mixed and composted, and the topdressing of the early-crop tomatoes in spring is applied by mixing an inorganic water-soluble fertilizer with an organic liquid fertilizer; the base fertilizer of the summer-stubble muskmelons is applied by adopting an organic fertilizer and a compound fertilizer, and the additional fertilizer of the summer-stubble muskmelons is applied by adopting a fertilizing mode of mixing an inorganic water-soluble fertilizer with an organic liquid fertilizer; and the autumn-delay later-crop corn is fertilized in a fertilization-free manner. The problem of secondary salinization of greenhouse soil is solved, and continuous health of the soil is kept; and an ecological, healthy, green and harmonious cultivation mode is established.

The invention discloses a facility greenhouse soil multi-parameter in-situ rapid detection device, and relates to the technical field of soil in-situ detection.The facility greenhouse soil multi-parameter in-situ rapid detection device comprises a supporting table and further comprises a top fixing frame, and the top fixing frame is located at the top of the supporting table. A soil sample in the storage bin is quantitatively conveyed to a detection placing disc of a field detection instrument by a silt conveying pump through a conveying channel, infrared sensors annularly distributed on the disc are used for carrying out near infrared spectrum scanning on the soil sample, and the content of nutrients such as organic matters, total nitrogen and total potassium in soil is rapidly analyzed through a built-in algorithm model. All-dimensional data from physics to chemistry, from a surface layer to a deep layer and from a contact type to a spectrum type are obtained at a time; and the second detection mechanism is independently controlled to lift, so that accurate contact type detection data can be obtained on the non-ideal flat ground.

The present application relates to the technical field of temperature control, in particular to a temperature control method and device for seedling greenhouse cultivation environment and a storage medium. The method comprises the following steps: establishing a greenhouse temperature influence model, the greenhouse temperature influence model can predict the greenhouse air temperature according to the greenhouse soil temperature, and the influence of the outside air temperature on the greenhouse air temperature is considered for optimization; obtaining the target soil temperature range and the target air temperature range of the current seedling growth stage, when it is monitored that the real-time greenhouse air temperature is not in the target greenhouse air temperature range, the air temperature adjustment strategy is started, and whether the greenhouse soil temperature is in the target greenhouse soil temperature range is judged, if the greenhouse soil temperature is not in the target soil temperature range, the soil temperature is adjusted. The method greatly improves the response speed and adaptability to environmental changes, and provides more stable and suitable growth conditions for seedlings.

The invention discloses a greenhouse soil culture device and method for combined determination of soil active nitrogen loss and greenhouse gas emission, and belongs to the field of farmland soil environment detection. The device comprises a soil culture column, an ammonia volatilization collecting cover and a greenhouse gas collecting cover, the ammonia volatilization collecting device is characterized in that the ammonia volatilization collecting cover is placed on the soil culture column to form a dynamic circulation chamber, and gas pipes are inserted through two round holes in the top of the ammonia volatilization collecting cover to filter ammonia gas in air and collect soil ammonia volatilization; a greenhouse gas collecting cover is placed on a soil culture column to form a greenhouse gas emission soil culture device, and two round holes in the top of the collecting cover are used for extracting soil greenhouse gas for emission and detecting the temperature in the device respectively; a plastic pipe is inserted into a round hole in the center of the bottom end of the soil culture column to collect the soil nitrogen leaching amount. The device is suitable for greenhouse soil culture experiments with complex factor interaction and large sample size, has hydrological nitrogen collection, and is beneficial to evaluation of the overall nitrogen loss of a soil system.

A highly efficient staggered-season cultivation method for promoting year-round production of lilies belongs to the technical field of lily planting. This staggered-season cultivation method uses wide-ridge and row planting. In October of the first year, the first batch of lily bulbs are planted at a high density on one side of each cultivation bed. When the lilies grow to a plant height of 55 to 65 cm, the second batch of lily bulbs are planted on the other half of the bed. When the first batch of cut flowers is harvested, the second batch of plants is in a vigorous growth period. At this time, a new round of planting begins in the ridge where the first batch of flowers is located, and this planting method is cyclical. Planting takes a total of 10 months throughout the year, and three batches of flowers are harvested. The yield per unit area can reach 174 to 210 plants / m 2 In July and August of the summer, naturally high temperatures are used to disinfect the greenhouse soil. This method changes the traditional planting form. It adopts a staggered cultivation method combined with high-density planting. While ensuring the year-round production of lily cut flowers, it significantly increases the annual output of lily cut flowers per unit area. It is simple and easy to implement, providing technical support for high-quality and efficient lily cultivation and sustainable development of the industry.

The application discloses a kind of active control system and method for greenhouse cold-proof, heating and gas increasing, which belongs to the field of facility agriculture engineering.The active control system for greenhouse soil marginal cold-proof, heating and indoor gas increasing is mainly composed of cold-proof pipe groove, ventilation pipe, variable frequency fan, temperature sensor, CO2 concentration sensor and automatic control device, wherein the cold-proof pipe is buried in the low-temperature marginal place of greenhouse below the ground surface, and the pipe groove under the cold-proof pipe is filled with straw; CO2 produced by straw fermentation enters the upper pipe groove through the perforated partition plate to increase the supply of CO2 in the room; the heat generated by fermentation is transmitted to the surrounding soil through the lower pipe groove for storage, and the air circulation inside and outside the pipeline transmits the heat energy in the indoor air during the day to the soil through the upper pipe groove, thereby jointly playing the role of active cold-proof and heating.The application realizes the purpose of active cold-proof, heating of greenhouse marginal soil and indoor CO2 increasing by coupling heat circulation in the greenhouse with straw fermentation reaction, and has the characteristics of energy saving, low carbon, ecological protection, economic efficiency and high efficiency.

The present invention discloses a greenhouse soil moisture movement simulation model and method based on cellular automata. The model adopts a finite square grid with an 8-neighbor constant-value boundary. The horizontal and vertical movement of water in the greenhouse soil is simulated through a cellular automaton model. The VM matrix is ​​used to express and reflect the spatial arrangement of vegetation in the simulation area, the soil is stratified, and the moisture content of each soil layer in the simulation area is expressed through the SM matrix. The model assumes that after artificial watering, the water body undergoes at least four processes: flow, infiltration, vegetation absorption, and evaporation. By updating the water content of each cell according to the above processes, the simulation of soil water movement is achieved. The present invention can simulate the spatial and temporal distribution of soil water movement, realize the optimal selection of the water replenishment function or the optimal soil parameters, and realize the full-area prediction of greenhouse soil water changes.

The invention provides a multi-energy complementary greenhouse soil thermal insulation system based on phase change energy storage, which belongs to the technical field of agricultural facility and energy comprehensive utilization, and comprises a greenhouse body, a dye-sensitized solar power generation device, a wind power generation device, a bidirectional DC / AC converter, a boiler intelligent heating module, a lithium battery energy storage module and an intelligent thermal insulation soil module. The dye-sensitized solar power generation device is fixedly installed on the top of the greenhouse body, the wind power generation device is arranged on one side of the top of the greenhouse body, the bidirectional DC / AC converter is arranged in the greenhouse body, the boiler intelligent heating module and the lithium battery energy storage module are arranged on the outer side of the greenhouse body, and the intelligent heat preservation soil module is arranged in the greenhouse body. The dye-sensitized solar power generation device, the wind power generation device and the intelligent heat preservation soil module are all connected with the boiler intelligent heating module, and the lithium battery energy storage module is connected with the dye-sensitized solar power generation device and the wind power generation device in parallel through the bidirectional DC / AC converter. The energy utilization efficiency can be improved.

The present invention discloses a greenhouse soil temperature prediction method. It includes the following steps: sampling the environmental data of a greenhouse within a preset time period, wherein the environmental data includes the greenhouse soil temperature and multiple environmental features; preprocessing the sampled environmental data; analyzing the coupling relationship between each environmental feature and the greenhouse soil temperature, and screening out environmental features with a strong coupling relationship with the greenhouse soil temperature as coupling features; forming a first data set with the greenhouse soil temperature and the screened coupling features, and performing weighted processing on the data in the first data set using an attention mechanism variable weighted model to obtain a second data set; constructing a Transformer neural network model, inputting the second data set into the Transformer neural network model, and the Transformer neural network model outputs a predicted value of the greenhouse soil temperature within a future specified time period. The present invention can reduce the computational complexity of the Transformer neural network model and improve the prediction accuracy.

The utility model discloses an anti-deformation extrusion adobe C-shaped steel greenhouse which comprises two top plates, the tops of the two top plates are fixedly connected with two mounting seats, and the tops of the four mounting seats are rotationally connected with annular steel frames. According to the greenhouse soil blank wall height adjusting device, firstly, the installation position is determined, an adobe is placed on the top of the bottom plate, then the annular steel frame is covered with the thin film, the thin film is limited through the fixing ring and the pull rope, when the height of a greenhouse soil blank wall needs to be adjusted, the nut is rotated, the threaded column ascends and descends along the interior of the nut, and the height of the top plate is adjusted; when a proper height is reached, the adobe is placed between the bottom plate and the top plate, the height of the adobe wall is adjusted, in the film covering process, the two ends of a film can be wound through the two winding drums, so that the film covering operation is conveniently completed, the convenience and the flexibility are improved, and meanwhile through the limiting structures of the winding drums, the film covering efficiency is improved. And the tightness after the covering film is extended is adjusted.

The present invention belongs to the technical field of greenhouses, and specifically is a greenhouse loosening device, comprising a U-shaped frame, a beveled block is provided at the lower end of the U-shaped frame, the interior of the beveled block is a hollow structure, a first cylinder is fixedly connected to one side of the lower end of the beveled block, the beveled block is communicated with the interior of the first cylinder, the lower end of the first cylinder is slidably connected to the second cylinder, the middle part of the first cylinder is rotatably connected to the first cylindrical rod, the outer side of the first cylindrical rod is fixedly connected to a spiral conveying sheet, the middle upper end of the beveled block is fixedly connected to the U-shaped block, the upper end of the U-shaped block is fixedly connected to the second cylindrical block, the second cylindrical block passes through the middle part of the U-shaped frame, the second cylindrical block can rotate in the middle part of the U-shaped frame, a second rectangular hole is opened in the middle part of the lower end of the beveled block, and the rectangular sliding block is driven to drive the second cylindrical block to rotate 180 degrees through the first cylindrical block, so that the circular plate is located on both sides of the U-shaped frame, thereby solving the problem that the space in the greenhouse is small and it is troublesome to carry the loosening machine to turn around.

The utility model relates to the technical field of agricultural watering, in particular to an agricultural greenhouse soil humidity control watering device which can be moved to different areas in a greenhouse through a walking device, so that the size of the device is reduced, the flexibility of the device is improved, and the cost of the device and the maintenance cost are reduced. The size of a spraying area of the device is adjusted through the adjusting device, the adaptability of the device is improved, the watering mode is adjusted through the watering device, the watering amount is adjusted according to the soil humidity condition, and the practicability of the device is improved; comprising a walking device, an adjusting device and a watering device, the adjusting device is installed on the walking device, and the watering device is installed on the walking device.

The invention relates to a greenhouse fungus soil inoculation method for fusarium graminearum stem rot of corn, which comprises the following steps: activating fusarium graminearum strains, cutting hypha blocks at the edges of bacterial colonies, and inoculating the hypha blocks into a mung bean soup culture medium to prepare fusarium graminearum spore suspension; inoculating the spore suspension to sterilized corn kernels to prepare fusarium graminearum corn kernel inoculums; preparing bacterial soil, mixing bacteria and sowing in a greenhouse, performing disease grade investigation and resistance evaluation after 20 days, calculating the average disease grade of all plants of the to-be-identified corn material, and determining the resistance of the to-be-identified corn material to the fusarium graminearum stem rot. The inoculation method does not depend on a field environment, is short in inoculation period, high in efficiency and stable in result, can be combined with a field inoculation test to assist in verifying the resistance of a corn material to stem rot, and can be used for identifying and evaluating the disease resistance of a corn hybrid or a selfing line material.

The utility model discloses a greenhouse soil temperature rising system, it includes a support frame, and is set up with single group or multiple sets of heat collection group through support frame, it still includes several greenhouses, and is provided with air duct below 0.8 meters from ground surface in greenhouse, both ends of air duct all are provided with the connecting port, the heat collection group includes the header tank of left and right sides and the header tank of setting up several solar energy heat collection pipes in two, is provided with the air inlet pipe on the header tank of one end on the heat collection group of left and right ends, and the header tank of the other end is connected with the fan through the return air pipe, the connecting port of both ends of air duct is connected with air inlet pipe and fan respectively. The device can not only improve the temperature in the shed, but also can realize the improvement of ground surface temperature, and the soil of this kind of temperature adaptation further improves the crop growth environment, promotes the growth of crop root system, and improves the crop yield.

The invention discloses a greenhouse soil remediation covering soil and diseased plant residue separation device, and relates to the technical field of soil remediation, the greenhouse soil remediation covering soil and diseased plant residue separation device comprises a treatment bin, first motors are fixedly connected to the front and rear ends of the left side of the bottom end of the treatment bin, and driving wheels are mounted at the output shaft ends of the outer sides of the first motors; a feeding mechanism is arranged on the right side in the treatment bin, and a screening cavity is formed in the center of the top end in the treatment bin. A second chain disc is driven to rotate through a moving wheel, the second chain disc can drive a third chain disc to rotate through a first chain, at the moment, the third chain disc drives a fourth chain disc to rotate, and the fourth chain disc can drive fifth chain discs on the two sides to rotate through a second chain; at the moment, a fourth chain disc and a fifth chain disc can drive a shifting block at the front bottom end and a hollow cylinder to rotate correspondingly, and at the moment, the shifting block can repeatedly push a screening frame to ascend and descend.

The invention relates to the technical field of soil improvement, in particular to a method for preventing and controlling acidification of greenhouse vegetable planting soil, and aims to slow down the acidification process of greenhouse soil and improve the nutrient utilization efficiency. Before ploughing, an organic-inorganic composite soil conditioner is applied to the soil, and the application amount is 150 kg / mu; after ridging, nitrogen fertilizer, organic fertilizer and potash fertilizer are applied according to the fertilizer requirement rule of crops, for example, in pepper planting, the nitrogen fertilizer is 34 kg / mu, the organic fertilizer is 160 kg / mu, and the potash fertilizer is 32 kg / mu. In pepper planting, nitrogen fertilizer is divided into base fertilizer and three-time topdressing, and potassium fertilizer is divided into base fertilizer and two-time topdressing; nitrogen fertilizer in asparagus lettuce planting is divided into base fertilizer and two-time topdressing, potassium fertilizer is divided into base fertilizer and two-time topdressing, and reasonable row spacing is matched. According to the method, the conditioner is combined with staged precise fertilization, the soil acidification process is effectively controlled, the crop yield and the soil nutrient utilization efficiency are improved, and the method is suitable for maintenance management of long-term planting soil in facility agriculture.

The present invention relates to the technical field of heat storage and heat release in large areas of multi-span greenhouses. Specifically, it relates to a dense slender pipe deep soil burying machine and a method for deeply burying dense slender pipes. The grooving lifting mechanism is used to move vertically during the operation of burying dense slender pipes in the soil, so that the lower part of the grooving execution mechanism is inserted into the deep earth along the dug soil trench; the pipe laying lifting mechanism is used to move vertically during the operation of burying dense slender pipes in the soil, so that the pipe laying rollers located at the lower part of the pipe laying arm of the pipe laying execution mechanism penetrate along the soil trench to near the corresponding grooving execution mechanism, and then synchronously place multiple preset slender pipes released by the slender pipe bracket at the bottom of each soil trench before the soil trench wall collapses. The dense slender pipe deep soil burying machine can synchronously bury multiple closely spaced slender pipes at a preset depth in the greenhouse soil, and has high burying efficiency, which can effectively reduce the burying cost.

The invention relates to a greenhouse, in particular to an intelligent adjusting type greenhouse soil loosening device for multi-crop planting. Comprising a driving machine and a soil guiding device, the output end of the driving machine is fixedly connected with a rotating rod, the surface of the rotating rod is fixedly connected with paddles, the soil guiding device is arranged on the surface of the driving machine, the soil guiding device comprises a sleeve arranged on the surfaces of the driving machine, the rotating rod and the paddles in a sleeving mode, and the surface of the sleeve is fixedly connected with a main motor; the upper surface of the sleeve is fixedly connected with a limiting ring, the interior of the limiting ring is rotationally connected with a rotating ring, the interior of the rotating ring is in threaded connection with the surface of the threaded rod, and through transmission cooperation of a main motor, a main synchronous belt, the rotating ring and the threaded rod in the soil guiding device and a sliding connection structure of the sleeve and a driving machine, the soil penetrating depth of the blades can be accurately adjusted; the planting requirements of different crops such as shallow sowing, medium sowing and deep sowing can be flexibly met.

The vegetable greenhouse soil loosening device with the mulching film cleaning function comprises a mounting plate, two holding columns are fixedly mounted on the upper surface of the mounting plate, inserting rings are fixedly mounted on the surfaces of the holding columns, moving columns are slidably connected to the inner walls of the inserting rings, rotating plates are rotatably connected to the lower ends of the moving columns, and the rotating plates are fixedly connected to the upper surface of the mounting plate. A plurality of soil loosening hoppers are fixedly mounted on the lower surface of the rotating plate, a groove is formed in the right side face of the mounting plate, a rotating column is rotationally connected to the inner wall of the groove, and a cleaning mechanism is arranged on the surface of the rotating column. According to the vegetable greenhouse soil loosening device with the mulching film cleaning function, a rotating column in a cleaning mechanism at the right end of the device is driven by a servo motor to rotate, a mulching film clamped by a clamping main plate and a clamping auxiliary plate can rotate and be wound on the surface of the rotating column layer by layer, and therefore before a soil loosening bucket loosens soil, the mulching film can be cleaned, and the mulching film can be cleaned. The mulching film on the ground is collected and cleaned firstly, the step of manually cleaning the mulching film is omitted, and the functionality of the soil loosening device is enhanced.

The invention relates to the technical field of sensors, and discloses an agricultural greenhouse soil temperature and humidity sensor for smart agriculture, which comprises a shell, the outer side of the shell is provided with a mounting assembly for connecting the shell with the outside, and the interior of the shell is fixedly provided with a partition plate. According to the invention, when the temperature and humidity of the soil are monitored and when the rootstock of a tree abuts against the probe rod, the probe rod can adaptively deflect to ensure that the probe rod cannot be damaged by the thick rootstock of the tree, and when the probe rod deflects to the limit and cannot deflect, the probe rod can be folded to prevent the probe rod which cannot deflect from being damaged by the rootstock which continuously grows, so that the detection accuracy is improved. The probe rod is further protected, the land of the position where the probe rod is located can be marked while the probe rod deflects, after the probe rod is retracted into the shell, it can be known that rhizomes exist at the position and insertion of the probe rod cannot be continued according to the coloring agent on the surface of the soil body, and workers are helped to replace the insertion position of the probe rod.