4069 results about "Nutrient solution" patented technology

The invention discloses a soilless culture nutrient solution containing a solid hydrogen supply material and an irrigation method and system. Raw materials of the soilless culture nutrient solution comprise the solid hydrogen supply material, a nutrient solution and a pH regulator. The use amount of the solid hydrogen supply material is 0.05-5 mmol / L; the dosage of the pH regulator is 0.01 to 50 mmol; all the raw materials are mixed, and the soilless culture nutrient solution with the irrigation hydrogen concentration larger than or equal to 500 ppb / L and the pH value of 5-8 is provided. On the basis of applying the soilless culture nutrient solution, the pH value and the hydrogen concentration of the soilless culture nutrient solution are monitored in real time, and the pH value and the hydrogen concentration of the soilless culture nutrient solution are adjusted and controlled by adjusting and controlling at least one of the applying amount of the soilless culture nutrient solution, the applying speed of the soilless culture nutrient solution, the using amount of a solid hydrogen supply material and the using amount of a pH adjusting agent. The hydrogen-rich nutrient solution can be controllably provided for soilless culture plants, stable release of hydrogen and proper adjustment of the pH value and nutritional ingredients are achieved, and the requirements of different crops and different growth stages are met.

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

The invention discloses a nutrient solution refined supply control method based on aeroponic muskmelon growth prediction, and relates to the related field of agricultural intellectualization, and the method comprises the steps: carrying out the data collection, and obtaining the growth environment data; carrying out growth analysis to obtain growth characteristic parameters, carrying out nutritional requirement calculation, and determining an atomized nutrient solution coefficient; constructing a growth prediction model, obtaining a growth prediction trend curve, carrying out supply analysis, and formulating a nutrient solution supply strategy; the growth of the muskmelon is monitored in real time, the atomized nutrient solution coefficient is dynamically adjusted according to a growth monitoring log, and a second atomized nutrient solution coefficient is generated; a nutrient solution supply strategy is updated and optimized, and self-adaptive refined supply control is carried out. The technical problem that fine control is insufficient due to the fact that existing mist culture melon nutrient solution supply control lacks real-time performance, accuracy and dynamic adjustment capacity is solved, and the technical effect of fine control is achieved through real-time, accurate and dynamic adjustment of the nutrient solution.

The invention relates to the technical field of soilless culture nutrient solution dynamic optimization, and particularly discloses a soilless culture nutrient solution dynamic optimization method which comprises the steps of multi-source fusion monitoring data set generation, main nutrient element demand prediction, nutrient solution adjustment instruction set generation and nutrient solution adjustment effect evaluation. According to the invention, environment, plant physiology and nutrient solution state data are synchronously acquired, a short-term demand prediction model is utilized to predict nutritional demands, and an adjustment instruction set containing the supplement amount and supplement rate of the current nutrient solution is generated in combination with a plant growth stage, a current nutrient solution state and an environment factor; the adjustment effect of the nutrient solution adjustment instruction set is obtained by comprehensively evaluating the improvement degree of the plant physiological status and the stability of the nutrient solution after adjustment is finished; dynamic matching of nutrient solution supply and plant requirements is achieved, the nutrient utilization efficiency is improved, the adaptability of the system to environment changes is enhanced, and remarkable economic benefits and social benefits are achieved.

The modified bentonite-cement-based concrete self-repairing material comprises the following components in parts by weight: 20-30 parts of modified bentonite, 15-30 parts of cement and 50-80 parts of water, the mass ratio of the modified bentonite to the cement is 0.8-1, and the water-solid mass ratio is (0.5-2): 1. The concrete self-repairing material comprises bacillus mycoides and bacillus cereus which are screened from a landfill, the bacillus mycoides and the bacillus cereus serve as nucleation sites of calcium carbonate precipitation and are used in cooperation with a nutrient solution and chitosan, the speed of the strains for utilizing the mineralization effect at cracks is increased, calcite is accelerated to be generated and deposited along the surfaces of the cracks, and the effect of calcium carbonate precipitation on the surfaces of the cracks is improved. And a good repairing effect is achieved on the cracks of the barrier material. The repairing material is applied to a landfill site, has the effects of seepage prevention, sun crack resistance and erosion resistance, and realizes effective control of pollutants.

The invention relates to the technical field of totally-closed artificial light plant factory planting, in particular to a totally-closed artificial light plant factory tomato seedling raising method, which is characterized in that each stage and each link in the whole cycle process of tomato growth are accurately controlled, and the tomato seedling raising efficiency is improved. Comprising the steps of nutrient solution management, irrigation frequency management and seedling raising environment temperature control in the stages of seed treatment, substrate preparation, sowing and germination acceleration, seedling raising and the like. The selection of a planting light source in the seedling raising stage is obtained through creative labor on the basis of a large amount of experimental data; the formula of the nutrient solution is also obtained on the basis of tomato characteristics and a large amount of experimental data in combination with creative labor; and the technical prejudice of conventional means is overcome, and the temperature condition of low-temperature treatment is adopted. All the technical means are organically combined and mutually influenced and promoted, and the technical problem of excessive growth of tomatoes in an artificial light environment can be effectively solved.

The invention relates to a multi-objective collaborative optimization hydroponic lettuce nutrient solution concentration time sequence dynamic regulation and control method. Compared with the prior art, the defect that an optimal nutrient solution concentration scheme needed by hydroponic crop time sequence dynamic growth interacting with the environment is difficult to determine is overcome. The method comprises the following steps: constructing a time sequence group photosynthetic rate prediction model and a time sequence group moisture utilization efficiency prediction model; constructing a multi-objective optimization model; solving a Pareto solution set of the multi-objective optimization model; constructing a nutrient solution concentration time sequence regulation and control model; dynamically regulating the concentration of the hydroponic lettuce nutrient solution in a time sequence. According to the method, a non-dominated sorting multi-target genetic algorithm is adopted to solve the multi-target problem of a time sequence group photosynthetic rate prediction model and a time sequence group water utilization efficiency prediction model, and an optimal balance regulation target value is obtained by combining a uniformly distributed population strategy, non-dominated sorting, crowding degree calculation, an elitist strategy and a population updating mechanism. The problem of dynamic regulation and control of the nutrient solution concentration for plant time sequence growth is effectively solved.

The invention discloses a nutrient solution concentration regulation and control method and system for potato aeroponic cultivation, and relates to the technical field of fertilization, and the method comprises the following steps: extracting root feature data and concentration feature data; establishing a concentration trend prediction model based on the root feature data and the concentration feature data, and predicting the concentration change trend of the nutrient solution under different conditions by using the concentration trend prediction model; analyzing the change trend of the nutrient solution concentration under different conditions by using a feature analysis algorithm, and identifying key factors influencing the stability of the nutrient solution concentration; and based on the key factors, the nutrient solution is dynamically prepared. Key factors influencing the concentration stability are identified through a feature analysis algorithm, and the nutrient solution ratio is dynamically regulated and controlled, so that intelligent management and accurate supply of the nutrient solution concentration are realized, and effective support is provided for nutrition optimization of the potato aeroponic culture whole period.

The invention relates to the technical field of tree transplanting, in particular to a tree transplanting device capable of increasing the survival rate, which comprises a supporting assembly, a fixing seat fixedly mounted at the bottom of a loading carriage and a binding part arranged at the top of the fixing seat and used for binding a tree trunk, and one side of the fixing seat is provided with an adjusting part connected with the binding part; the rotating angle of the binding part relative to the fixed seat is adjusted; and the maintenance assembly is arranged at the top of the fixing base and comprises a maintenance box installed at the top of the fixing base, and a spraying part is arranged on one side of the maintenance box and used for spraying maintenance liquid to the tree root soil balls in the containing bin. Through mutual cooperation of the supporting assembly and the maintenance assembly, a tree can be turned over by a certain angle with a tree root soil ball as a fulcrum, so that the distance between a tree crown and the ground is adjusted, scraping in the transportation process is reduced, and water or other nutrient solutions can be supplemented for maintenance when needed.

The invention relates to the technical field of agricultural engineering, in particular to a reclamation land soilless culture and green manure intercropping culture system which comprises a reclamation land matrix preparation module, a soilless culture module, a green manure planting module and a microorganism bionic regulation and control module. The reclamation land matrix preparation module is used for preparing a matrix for soilless culture of a reclamation land; the soilless culture module comprises a culture bed, a nutrient solution supply unit and an environment control unit; the green manure planting module is provided with a special area for planting green manure crops, and the improvement of a soil structure and the optimization of nutrient circulation are realized by alternately or simultaneously planting the green manure and the crops; and the microbial bionic regulation and control module monitors and regulates and controls a microbial community structure in the matrix of the reclamation land in real time. According to the invention, not only are the ecological balance and stability of microbial communities improved, but also the nutrient absorption and disease resistance of crops are enhanced, and the growth conditions and yield of the crops are optimized.

The invention discloses an acer elegans cross breeding method based on flowering phase difference regulation and control, and belongs to the technical field of garden plant breeding. The method comprises the following steps: selecting an acer elegans variety of which the natural early flowering phase difference is greater than or equal to 10 days and the genetic distance is greater than or equal to 0.5 as a cross parent, carrying out low-temperature refrigeration and shading blue light supplementing treatment on a female parent to delay the flowering phase, and carrying out prolonged illumination, red light supplementing and hormone and nutrient solution spraying on a male parent to advance the flowering phase; male parent pollen is collected through a vacuum negative pressure adsorption device and stored in a closed container, a sucrose solution is sprayed to female parent stigmas before pollination, and repeated pollination is conducted through a directional nozzle at 9-11 o'clock every day; carrying out stratification treatment and temperature-difference temperature-control germination on the hybrid seeds, and carrying out light-temperature regulation and control seedling culture after sowing; the molecular marker is used for verifying the hybridization authenticity and target traits, phenotype determination is carried out on three-year-old seedlings to complete breeding, the hybridization obstacle caused by asynchronous flowering phases of the caenorhabditis elegans varieties is solved through the flowering phase regulation and control technology, and the hybridization success rate is increased.

The invention discloses a garden tree transplanting device, and relates to the technical field of garden planting, the garden tree transplanting device comprises a U-shaped moving vehicle and a connecting fixing hoop, two supporting seats are symmetrically fixed on two sides of the middle of the U-shaped moving vehicle, mounting grooves are formed in the upper parts of the two supporting seats, and winding and unwinding structures are symmetrically mounted in the two mounting grooves; the connecting and fixing hoop sleeves a trunk of a tree, the controller controls the winding and unwinding structure to work to pull up the tree to be separated from a tree pit, then the two adjusting tree root protection structures are manually operated to be closed to wrap and protect the bottom root of the transplanted tree, additional damage to the root of the tree in the transplanting process is avoided, and the integrity and health of the tree are ensured. A liquid conveying structure is matched to convey a nutrient solution in the process of moving to a new transplanting area, so that necessary nutrition is guaranteed; meanwhile, the linkage structure is driven, the sterilization structure is driven to work, the sterilization structure compresses air to spray rooting powder to the bottom of the rising transplanted tree, the soil environment can be improved, and plant rooting is promoted.

The invention discloses a closed mixotrophic microalgae culture method and a culture system thereof, and relates to the field of microalgae culture, comprising the following steps: step one, microalgae culture, pouring culture solution into a culture tank, adding microalgae to be cultured into the culture solution, and then fixing a sealing plate to the tank mouth of the culture tank by bolts to carry out closed culture; step two, gas supply and nutrient solution addition, sending carbon dioxide from a pipeline into an air distribution pipe through an air pump in an air supply component, forming bubbles from a nozzle and transporting them into the culture solution, and part of the bubbles that rise are gathered by a baffle to extend their residence time in a water body; step three, illumination, during the day, a first electric telescopic rod drives an arc-shaped telescopic plate to move downward to expose the internal transparent culture tank, and sunlight provides a light source to propagate the microalgae. The application can extend the residence time of carbon dioxide in the water body, improve the utilization rate of carbon dioxide, and increase the yield of microalgae.

The invention discloses transplanting equipment for traditional Chinese medicine planting, which comprises an intelligent crawler and two fixing plates, the two fixing plates are oppositely arranged on the left side of the intelligent crawler, the intelligent crawler and the two fixing plates are jointly provided with a transplanting assembly, and the transplanting assembly comprises a plurality of exhaust pipes. And a gas diversion groove is formed in the bottom in the fixed plate. When the improved traditional Chinese medicine transplanting equipment is used, seedling lifting operation of traditional Chinese medicine plants can be automatically completed through control of a control host in the intelligent crawler, then pit digging operation of a planting field is completed through angle adjustment of a fixing plate and movement of a stirring plate, and backfilling and compaction operation of pit soil is completed through inversion of the fixing plate; the operation of injecting the soil nutrient solution near the roots of the traditional Chinese medicine plants is completed, finally the transplanting of the traditional Chinese medicine plants is completed, the automation degree of the device is high, and the working intensity of operators can be greatly reduced.

The invention relates to the technical field of soilless culture, in particular to an intelligent cultivation tank system and a plant cultivation method. The system comprises a sensor configured to collect environmental data of a cultivation tank; the artificial intelligence module is configured to identify and analyze the environment data, obtain different types of sub-environment data, and generate a first nutrient solution adjusting instruction based on the different types of sub-environment data; the digital twinning module is configured to perform matrix conversion on the sub-environment data and map the sub-environment data to a digital twinning scene; the digital twinning module is configured to analyze spatio-temporal data of the plant in real time in a digital twinning scene and trigger a second nutrient solution adjusting instruction when the growth stage of the plant changes; the nutrient solution circulating device is configured to adjust the concentration of the nutrient solution in the cultivation tank based on the first nutrient solution adjusting instruction and / or the second nutrient solution adjusting instruction. According to the system, the intelligence of the soilless culture system is improved, and precise control over the plant growth environment is achieved.

The invention discloses an existing anchoring and shotcreting side slope ecological restoration technology and method with shrub planting as the core, a side slope vegetation hole environment improving device and a hole filling layered structure design are included, and the side slope vegetation hole environment improving device is mainly composed of a conical threaded drill bit, a connecting rod, a motor, a metal connecting hose, a pressure storage tank and an air compressor. The motor provides power for penetration of the gas injection needle head, and the air compressor provides power for injection of the plant nutrient solution; the vegetation hole layered structure comprises a bottom water retention layer, a base fertilizer layer, a nutrient soil layer and a surface covering layer; environment improvement is conducted on the vertical and horizontal directions of the planting holes through an environment improvement device, local dominant shrubs are planted in the planting holes, and local dominant vine plants are planted at the top of the slope to comprehensively and ecologically protect the slope; comprising the following steps: step 1, investigating and surveying plant communities and analyzing slope stability; step 2, slope vegetation hole environment improvement; 3, planting hole construction; and 4, slope top vine plant ecological slope protection construction is carried out.

The invention provides auxiliary reproduction test tube infant fertilized egg culture equipment which comprises a constant-temperature bottom box and a sealing top box covering the top of the constant-temperature bottom box in a sealing mode, a culture dish cavity is formed in the middle of the top of the constant-temperature bottom box, and a variable culture dish with a variable culture plane is arranged in the culture dish cavity; compared with the prior art, when the fertilized eggs of the test tube baby are cultured, a proper amount of nutrient solution is put into the variable culture dish in a sterile laboratory, the fertilized eggs of the test tube baby are put into the nutrient solution to be cultured, and at the moment, the middle of the culture plane of the variable culture dish is concave downwards to be in a funnel shape; the test tube infant fertilized eggs are always located in the middle of the culture plane, cells start to split along with culture, the culture plane of the variable culture dish is gradually adjusted from a funnel shape to a plane shape along with the increase of the cells, and therefore the situation that the test tube infant fertilized eggs are excessively dispersed after being split is avoided, and stacking of multiple cells can be avoided; the observation condition is influenced.

The invention discloses a sugar-free tissue culture microenvironment intelligent control system for facility flower seedling culture, and belongs to the field of intelligent agriculture. The system comprises a microenvironment regulation device, an LED light supplement regulation device, a carbon dioxide concentration regulation device and the like, a digital model construction module and an agricultural Internet of Things intelligent control platform. Key elements such as temperature and humidity, illumination, carbon dioxide concentration and nutrient solution of the flower seedling culture microenvironment can be accurately adjusted, and the requirements of different growth stages of flowers can be met; by means of a digital model and sensor feedback, automatic management is achieved, remote monitoring and operation can be achieved, manual intervention is reduced, the resource utilization efficiency is improved, and resource waste is avoided. A microenvironment precise regulation and control technology is adopted, so that the thermal load and energy consumption are reduced, the operation cost is reduced, and the economic benefit is improved; practical application verifies that the system can promote healthy growth of flowers, significantly improve flower quality and seedling culture management efficiency, and enhance market competitiveness of the flower seedling culture industry.

The invention relates to the technical field of fertilizers, and discloses a fulvic acid fertilizer based on straw microbial fermentation and a preparation method and application thereof.The preparation method comprises the steps that straw is crushed and subjected to low-temperature plasma pretreatment, and pretreated straw is obtained; then, culturing the mixed microbial preparation to prepare a culture solution; then, the pretreated straw, a nutrient solution, a fermentation auxiliary agent and trichoderma are mixed for fermentation, and therefore a fermentation product is generated. The fermentation auxiliary agent is prepared from seaweed meal, bean flour, humus soil and molasses. And finally, carrying out solid-liquid separation on the fermentation product, and drying the separated solid part to finally obtain the fulvic acid fertilizer. Through combination of low-temperature plasma pretreatment and an innovative fermentation auxiliary agent, the preparation process of the fulvic acid fertilizer is optimized, the fertilizer efficiency of the fertilizer and the crop growth effect are improved, and meanwhile, the environment problem of agricultural waste is solved.

The invention relates to the field of nutrient solutions, and particularly discloses a high-calcium-zinc dietary nutrient solution for promoting skeletal development and a preparation method thereof, the high-calcium-zinc dietary nutrient solution for promoting skeletal development comprises the following raw materials: calcium citrate, zinc citrate, a zinc-containing yeast extract, vitamin D3, a nutrition enhancer, functional oligosaccharide, xanthan gum, anhydrous citric acid, essence, a sweetening agent and water; the preparation method comprises the following steps: mixing the zinc citrate, the zinc-containing yeast extract, the seaweed meal, the natto powder, the stachyose and the trehalose to prepare a mixture A; uniformly premixing stevioside, xanthan gum and trehalose to obtain a mixture B; s4, vitamin D3 powder and trehalose are premixed and dissolved, and a mixture C is prepared; heating the residual water, adding the mixture A, the fructo-oligosaccharide, the anhydrous citric acid, the calcium citrate, the mixture B, the trehalose and the mixture C, adding the essence, and stirring to obtain the beverage. The preparation method has the characteristic of preparing the liquid calcium-zinc dietary nutrient solution with good absorption and utilization rate and palatability.

The invention relates to the technical field of planting and spraying, and provides a nutrient solution preparation and spraying device for navel orange planting, which comprises a moving table, and the top end of the moving table is fixedly connected with a liquid storage tank; according to the cleaning device, a first motor is started, the first motor drives a first rotating shaft to rotate, the first rotating shaft drives a third gear to rotate, the third gear drives a second gear to rotate, the second gear drives a rotating rod to rotate, the rotating rod drives the first gear and a rotating cleaning plate to rotate, and the first gear rotates to be meshed with an annular rack; a first gear drives a first connecting block to move, a supporting sliding block can movably support the first connecting block, a rotating sweeping plate rotates to drive a bottom nail to rotate, the bottom nail can sweep weeds, dry branches, fallen leaves, stones and the like on the ground, and therefore a nutrient solution can make contact with soil conveniently, the bottom nail is inserted into the ground, and the soil is turned over along with rotation of the rotating sweeping plate; therefore, the nutrient solution can enter the soil smoothly, and the phenomenon that the nutrient solution flows everywhere due to the fact that the land surface hardness is high is avoided.

The invention provides an automatic stirring device in the field of fluid machinery and bioreactors, focusing on enhancing fluid control efficiency and consistency in biological cultivation processes. It utilizes a flexible channel body or reactor body to facilitate the flow of nutrient solution along specific channels (such as S-shaped flexible channels or S-shaped loop channels), designed to reduce shear forces and achieve iso-level uniform flow. A power system and monitoring and control system are employed to regulate the flow of nutrient solution and monitor cultivation conditions in real-time, thus supporting various bioprocess cultivation requirements.

The invention discloses a biological fermentation tank for medical strain cultivation, and relates to the technical field of liquid strain cultivation, the biological fermentation tank comprises a fermentation tank main body and a controller, the fermentation tank main body comprises a tank body and a storage bin, the tank body is installed above the storage bin, a stirring tank is installed in the tank body, a fermentation bin is arranged at the bottom of the tank body, and the controller is connected with the stirring tank. A collection assembly is installed in the storage area and matched with the fermentation bin, the stirring tank can accelerate strain mixing, the fermentation bin can accelerate strain cultivation, and the collection assembly can collect strains, so that when the device is used, nutrient liquid and the strains can be fully stirred, and the nutrient liquid and the strains can be uniformly mixed. Compared with an existing shaking machine, the shaking machine has the advantages that when the strains are shaken, the strains can fully absorb nutrients in nutrient liquid in the shaking process, so that the strains can be quickly cultivated in the subsequent cultivation process, and meanwhile, the survival rate of the cultivated strains is improved to a certain degree.

The present invention relates to the technical field of hydroponic vegetable planting. Disclosed is an automatic sowing device for hydroponic vegetables. The present invention comprises a loading mechanism; a spraying mechanism for spraying a nutrient solution to a planting board is arranged on a side surface of the loading mechanism; a sowing mechanism for sowing seeds is arranged on a side surface of the spraying mechanism; a positioning mechanism for positioning the planting board is arranged in the sowing mechanism; a feeding mechanism for feeding the seeds is arranged in the sowing mechanism, and the feeding mechanism is located directly above the positioning mechanism. In the present invention, the sowing mechanism is provided to automatically sowing seeds, and manual sowing is avoided, thereby improving the working efficiency; moreover, the feeding mechanism is provided to guide seeds, avoiding secondary placement caused by seeds not entering planting holes of a planting board due to deviation during sowing, improving the working efficiency; in the present invention, limiting wheels are provided to position the planting board, thereby avoiding the situation in which seeds cannot enter the planting holes of the planting board during sowing.

The invention relates to a plant nutrient solution capable of efficiently promoting growth. The plant nutrient solution capable of efficiently promoting growth is prepared from the following components in parts by mass: 10 to 20 parts of modified diatomite, 5 to 10 parts of nutrient substances, 0.5 to 3 parts of auxin, 1 to 3 parts of organic acid, 1 to 5 parts of auxiliaries and 50 to 100 parts of water, wherein the modified diatomite is sodium alginate and humic acid modified diatomite. The nutrient solution is obtained by compounding the modified diatomite, the nutrient substances, the auxin, the organic acid and the like, can improve the soil structure, regulate the plant growth and promote the yield and income increase of crops, is higher in stability, solves the problems in the prior art, and has a good application prospect.

The invention relates to the technical field of microbial culture, and provides a culture device for agricultural microbial agent production and a use method, the culture device comprises a culture box, and the top of the culture box is hermetically and detachably provided with a box cover. According to the device, the air pump is controlled by the controller to be started, so that the air pressure in the closed space is increased, the air passes through the non-woven fabric and the polymer microporous membrane, more tiny bubbles can be generated under the action of the polymer microporous membrane, a nutrient solution flows and is mixed, and the stirring effect on the nutrient solution is achieved; a nutrient solution in the incubator flows into the culture dish through the liquid discharge pipe, so that the stirring of the nutrient solution and the injection of the nutrient solution into the culture dish to be mixed with a microbial inoculum can be completed without using more structural components, the operation is simple, and the condition of pollution caused by improper cleaning is avoided; therefore, the subsequent microbial agent culture effect is improved.

The utility model relates to the field of weeding equipment, in particular to automatic weeding and pesticide spraying equipment for farmland. The device further comprises a movable plate, an L-shaped block, a protection assembly, a pesticide spraying assembly and a cutting assembly. A second motor is started to enable a rotating rod to drive a cutting knife to rotate at a high speed, weeds in a farmland can be cut and smashed, then a brake mechanism on a movable plate is started to enable the movable plate to move front and back at the upper end of a pushing assembly, an L-shaped block moves in the front-back direction, the weeding range can be enlarged, and the weeding efficiency is improved. A protection assembly is started to support a pesticide spraying assembly, an external hose is mounted on a water inlet port of a spray head, then a second electric cylinder is started to adjust the angle of a rotating block, and a third electric cylinder is started to adjust the height of a fixing sleeve, so that the spraying angle is quickly adjusted; a mixed solution of a nutrient solution containing pressure and water is introduced into the spray head to be sprayed out, and then the nutrient solution can be sprayed on the weeding land.

The invention provides a treatment method for promoting germination of Cinnamomum tamala seeds, and relates to the technical field of artificial breeding of Cinnamomum tamala. The treatment method mainly comprises the following steps: carrying out ice-water ultrasonic treatment on fresh Cinnamomum camphora fruits, removing fake peels to obtain seeds, carrying out shock cooling variable-temperature pretreatment on the seeds, preparing a nutrient solution from gibberellin, tocopheryl acetate, N-acetylglucosamine, compound vitamins and compound amino acids, wetting paper by using the nutrient solution, wrapping the seeds, carrying out sowing management and the like. According to the method, the defects in the prior art are overcome, the germination rate of fresh camellia oleifera seed sowing is effectively increased, growth of early germination seedlings of camellia oleifera is promoted, and a good guiding effect is provided for artificial breeding and planting of camellia oleifera.

The utility model discloses a flowing type nutrient solution circulating supply vegetable planting device, and belongs to the technical field of vegetable planting. The flowing type vegetable planting device with the nutrient solution circularly supplied comprises a planting nutrient solution box and three layered planting frames, an integrally-formed through opening is formed in the lower end of an inclined flow guide plate, a filtering liquid box is installed below the layered planting frames, and a circulating pump is installed at the upper end of the filtering liquid box. According to the multi-layer vegetable planting frame, the problems that in the actual use process of an existing vegetable planting frame, due to the fact that multiple layers of stacked vegetable planting frames cause poor photosynthesis of vegetables on the bottom layer, the planting effect is affected are solved, multi-layer supply work is carried out through a single-path supply pipeline, and three layered planting frames distributed in a trapezoid mode are arranged, so that the planting effect is greatly improved. Vegetables in the layered planting frame on the lower layer can be illuminated, so that the planting effect of the hydroponic vegetables is improved, multi-layer planting work can be conducted through the layered planting frames, the land area is saved, and the vegetable planting effect is improved.

The invention discloses multifunctional photovoltaic energy-saving agricultural irrigation equipment which comprises a vehicle body, a rotating mechanism, an irrigation pipe, an air supply assembly, a box body and a liquid supply assembly. A control system and a photovoltaic power generation system are mounted on the vehicle body; the rotating mechanism is mounted on the vehicle body; a multi-degree-of-freedom mechanical arm is mounted on the rotating mechanism; the irrigation pipe is mounted at the tail end of the degree-of-freedom mechanical arm, a spray head is mounted at one end of the irrigation pipe, and a Venturi pipe is mounted in the irrigation pipe and is close to the spray head; the air supply assembly is mounted at the tail end of the degree-of-freedom mechanical arm and used for supplying air into the Venturi tube; the box body is installed on the vehicle body, a water supply assembly and a stirring mechanism are installed on the box body, and the water supply assembly is used for supplying water into the irrigation pipe; the liquid supply assembly is installed on the vehicle body and used for adding a nutrient solution into the box body. Precise irrigation of crops can be achieved, the sprinkling area and uniformity of sprinkling irrigation are effectively improved, and the irrigation efficiency and the energy utilization efficiency are improved.