2365 results about "Nutrient solution" patented technology

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

The invention relates to the technical field of 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 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 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 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 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 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 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 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 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 a method for improving cadmium accumulation and transport capacity of sedum plumbizincicola, and relates to the field of plant heavy metal pollution remediation. The method comprises the following steps: preparing a selenium solution with the selenium ion concentration of 5 [mu] M, adding the selenium solution into the cadmium-polluted water environment, planting sedum plumbizincicola seedlings in the cadmium-polluted water environment, and carrying out cultivation management; plant pretreatment: culturing sedum plumbizincicola seedlings in non-polluted soil for at least three generations, selecting sedum plumbizincicola plants which are uniform in size and healthy in growth vigor, and pre-culturing the sedum plumbizincicola plants in a Hoaglands nutrient solution for two weeks for rooting; the healthy plants are transferred into Hoagland nutrient solution containing selenium solution to be cultured, and the plants are harvested after 28 days. According to the method, the high-concentration cadmium polluted water environment is simulated, and selenium is applied in the growth period of the sedum plumbizincicola, so that absorption and enrichment of the sedum plumbizincicola on cadmium are promoted, the plant biomass is improved, the toxic effect of cadmium on plants is relieved, and efficient remediation of the sedum plumbizincicola on the cadmium polluted environment is achieved.

The invention relates to the technical field of agriculture, in particular to a plant nutrient solution for saline-alkali soil improvement and a preparation method thereof. The invention relates to a preparation method of a plant nutrient solution for improving saline-alkali soil. The preparation method comprises the following steps: preparing NO3-intercalated layered double hydroxides and acid modified calcium-based montmorillonite; preparing humic acid chelated calcium magnesium powder; preparing a binary compound; and preparing the plant nutrient solution. The preparation method comprises the following steps: preparing NO3-intercalated layered double hydroxides from calcium nitrate tetrahydrate and aluminum nitrate nonahydrate, carrying out acid modification on calcium-based montmorillonite by using dilute sulphuric acid, purifying humic acid, and mixing with calcium chloride and magnesium chloride hexahydrate to prepare humic acid chelated calcium magnesium powder. Finally, the three components are added into pig excrement fermentation liquor to prepare a plant nutrient solution, an adsorption-replacement-leaching closed loop can be formed, the desalination and alkali reduction efficiency is remarkably improved, the soil structure is improved, the effect of synergistically improving the saline-alkali soil is achieved, and therefore plant growth is promoted.

The invention relates to the technical field of soil remediation, and provides a soil pollution remediation process which comprises the following steps: distributing points in grids of an area to be remediated, measuring the content of heavy metals and the concentration of organic pollutants, applying multi-frequency microwave radiation, synchronously applying ultrasonic treatment, and injecting a complex microbial inoculant containing sphingomonas, aspergillus niger spores and a nitrogen and phosphorus nutrient solution. A direct-current electric field is applied, pH, oxidation-reduction potential Eh and temperature parameters are monitored and measured in real time through an embedded sensor, a repair by-product recovery system is arranged, the purity of recovered metal is not lower than 98%, and mobile repair equipment is used in a matched mode. According to the method, the pollution degree is accurately quantified by constructing the pollution index PI, and dynamic regulation and repair are realized in combination with real-time monitoring parameters of a sensor. The pollutant removal efficiency is improved through the synergistic effect of multiple technologies, metal resource recovery is achieved through a repair by-product recovery system, traditional problems are solved, and efficient and environment-friendly repair is achieved.

The invention relates to the technical field of vegetable and potato cultivation, and discloses a vegetable and potato hydroponic tide type nutrient solution circulation cultivation device which comprises a storage box, a planting frame is fixedly connected to the outer side of the storage box, a plurality of mounting boxes are detachably connected to the inner side of the planting frame, and a planting box is fixedly connected to the tops of the mounting boxes; a second pump body is mounted on the rear side of the storage box, a first mounting pipe is fixedly connected to the input end of the second pump body, a second mounting pipe is fixedly connected to the output end of the second pump body, a mounting shell is fixedly connected to one end of the second mounting pipe, and a first communicating pipe communicates with the outer side of the mounting shell; the outer side of the first communicating pipe communicates with a plurality of liquid spraying pipes, and electromagnetic valves are installed on the outer surfaces of the liquid spraying pipes. A nutrient solution is sprayed to the multi-layer planting box through the control system, the flow of the nutrient solution is controlled in real time in cooperation with a flow meter, it is ensured that the nutrient solution is supplied accurately and evenly, the requirements of vegetables and potatoes in different growth stages are met, and therefore the growth speed and yield of the vegetables and potatoes are remarkably increased.

The invention provides a high-yield cultivation method for rice-morchella esculenta crop rotation, which specifically comprises the following steps: step 1, remaining previous rice stubbles, and turning over the rice stubbles into soil; step 2, laying a fungus bed substrate on a furrow surface and sowing; step 3, spraying a bacterium-promoting nutrient solution and a protective agent; step 4, after the morchella esculenta is harvested, turning over the fungus bed substrate into soil and applying a base fertilizer; 5, rice is transplanted, and tillering fertilizer, fish protein fermentation liquor and leaf fertilizer are applied; step 6, spraying an insecticide; step 7, harvesting the rice and remaining stubbles, and continuing planting the morchella esculenta; according to the method, the problems of nutrition imbalance, chemical residues, fertilizer efficiency lag and the like in the existing crop rotation technology are solved one by one through the steps of systematic optimization of a fungus bed substrate, nutrition management, base fertilizer preparation and the like.

The invention belongs to the technical field of grease preparation, and particularly relates to a preparation method and application of diglyceride oil with a weight reducing effect. Comprising the following steps: firstly, adding grease into a basic nutrient solution, adding strains for fermentation, and filtering to obtain a glycolysis product; adding glycerol into the glycolysis product, carrying out lipase esterification reaction, and carrying out centrifugal separation to obtain an oil phase; the method comprises the following steps: degrading triglyceride by adopting dominant strain fermentation, then adding glycerol, and carrying out esterification reaction under the action of dominant compound lipase to obtain the diglyceride oil. According to the method, the 1, 3-diglyceride can be selectively generated, the proportion of dominant grease of the 1, 3-diglyceride can be increased, and research shows that the prepared diglyceride oil has good weight reduction and fat reduction effects and has a good application prospect.

The invention relates to the technical field of cultivation and planting devices, and discloses a three-dimensional cultivation and planting device with an atomization structure, the three-dimensional cultivation and planting device comprises a rack and a rotating column, the rotating column is rotatably connected to the inner wall of the right side of the rack through a bearing, a spur gear is fixedly connected to the rotating column, and a motor is fixedly connected to the outer wall of the left side of the rack; a spur gear is arranged on the rack and makes contact with a toothed chain, a hinge rod is fixedly connected to the outer wall of the side face of the toothed chain, an adjusting mechanism is arranged on the rack and comprises an auxiliary mechanism, the adjusting mechanism comprises an arc-shaped plate, and the arc-shaped plate is hinged to the outer wall of the side face of the hinge rod. In the invention, a nutrient solution is converted into vaporific particles through the atomizing nozzle frame and is directly sprayed to the root system of a plant, so that the root system efficiently absorbs water, nutrients and oxygen in a suspended state, a matrix or soil is not needed, the propagation of soil diseases and insect pests is reduced, the nutrient utilization rate is also improved, and healthy growth and high yield of the plant are facilitated.

The invention relates to a rapid production method of bamboo reed seedlings based on an aerial fog cutting rooting induction system, belongs to the technical field of energy plant seedling culture, and solves the technical problems that the production quantity of the bamboo reed seedlings cannot meet the requirement and the quality of the seedlings is uneven, the rapid production method comprises the following steps: S1, selecting high-quality bamboo reed stalks, and cutting after cutting; s2, preparing a rooting solution and a bamboo reed enzyme nutrient solution; s3, atomizing and spraying a rooting solution, and inducing the stem sections to root; s4, spraying an arundo donax enzyme nutrient solution, and inducing the stem sections to germinate; s5, root growth monitoring of the seedlings. According to the method, the seedling raising period is effectively shortened, the seedling quality is improved, the rooting period is about 15 days, the cultivated bamboo reed seedlings are similar in individual size, and the method is an industrial seedling raising method for the bamboo reed suitable for saline-alkali soil improvement, marginal land utilization and heavy metal contaminated soil remediation and treatment.

The utility model discloses an intelligent water and fertilizer supply device for a nursery pond, which comprises a nursery pond unit comprising a nursery pond frame and a nursery pond arranged at the upper part of the nursery pond frame; the liquid supply unit comprises a water source pool and a nutrient solution pool which are arranged below the nursery pond, the water source pool is connected with the nursery pond through a first water pump and a liquid supplementing pipe, the nutrient solution pool is connected with the nursery pond through a second water pump and a fertilizer supplementing pipe, and the bottom of the nursery pond is connected with the nutrient solution pool through a liquid discharging pipe; electromagnetic valves are arranged on the liquid supplementing pipe, the fertilizer supplementing pipe and the liquid discharging pipe; according to the utility model, water and fertilizer adding and water and tray airing operations can be automatically controlled, the problems of untimely water and fertilizer adding, low tray airing efficiency and high labor cost of traditional flue-cured tobacco floating seedling raising are effectively solved, and the strong seedling rate of flue-cured tobacco is improved.

The invention discloses a sulfur-oxidizing bacterium screening and enriching nutrient solution, a sulfur-oxidizing bacterium enriching method and a deodorizing method. The sulfur-oxidizing bacterium screening and enriching nutrient solution comprises 1.0 g.L <-1 > of K2HPO4, 0.5 g.L <-1 > of NaHCO3, 0.05 g.L <-1 > of NH4Cl, 0.225 g.L <-1 > of Na2S. 9H2O and 0.001 g.L <-1 > of trace elements, wherein the trace elements comprise 0.5 g.L <-1 > of EDTA (Ethylene Diamine Tetraacetic Acid), 0.01 g.L <-1 > of (NH4) 6Mo7O24. 4H2O, 0.04 g.L <-1 > of ZnSO4. 7H2O, 0.03 g.L <-1 > of MnCl2. 7H2O, 0.02 g.L <-1 > of CuSO4. 5H2O The deodorization performance of the municipal sewage treatment plant is improved through synchronous desulfurization and deamination of the acidophilic sulfur-oxidizing bacteria, and compared with a traditional deodorization process, the synchronous desulfurization and deamination process can enrich high-abundance sulfur-oxidizing bacteria in a short time and shows higher ammonia gas and hydrogen sulfide removal capacity.

The utility model relates to a high-efficiency aerobic granular sludge granulating device. The granulation device disclosed by the embodiment of the utility model comprises a particle size classifier, a specific gravity winnowing device and a sludge activation reactor which are arranged in sequence, the sludge activation reactor comprises an activation reactor body, an aeration assembly and a nutrient solution input pipe, the activation reactor body comprises a conical part arranged at the bottom and a feeding part connected to the upper portion of the conical part, the feeding part is provided with a feeding port used for feeding winnowed sludge, the aeration assembly is arranged on the conical part and comprises an aeration pipe and an aeration head, and the aeration pipe is communicated with the aeration head. One end of the aeration pipe extends into the internal space of the conical part and is connected with the aeration head; a nutrient solution feeding hole is formed in the outer wall of the conical part, and the nutrient solution input pipe is connected with the nutrient solution feeding hole so as to guide a nutrient solution into the activation reactor main body. The granulation device disclosed by the embodiment of the utility model has elutriation and activation functions, and the sludge obtained by granulation is stable in performance, proper in specific gravity and excellent in settling performance.

The invention discloses a coal bed gas biological yield increase effect dynamic monitoring and evaluation method which comprises the following steps: arranging a multi-parameter sensor in a target coal bed gas well site, and collecting background data before bacterium injection; injecting a microbial bacterial solution and a nutrient solution into the coal seam according to the experimental design, and recording parameter information in the injection process; periodically collecting a gas production sample, and analyzing gas components; analyzing microbial community structure and abundance change in the water sample; combining the gas generation rate, the isotope characteristics and the microflora analysis result to identify a gas production path and calibrate a key functional flora; and constructing a mathematical model containing microbial activity, coal quality conversion and gas production efficiency, forming an evaluation index system, and outputting field process optimization suggestions based on the model. According to the method, a scientific basis is provided for dynamic optimization of the yield increasing process, and compared with a traditional laboratory method, the method can achieve systematic analysis of the in-situ microorganism process and quantitative evaluation of the gas production effect, and has good field adaptability and popularization value.

The invention provides a method for optimizing the proportion of industrial waste residues and a microbial composite curing agent, and belongs to the technical field of building materials.The method comprises the steps that the industrial waste residues are ground into superfine powder with the specific surface area of 350-450 m < 2 > / kg, meanwhile, bacillus is cultured at the temperature of 30-35 DEG C until the concentration of bacillus is 108-109 / mL, and a mixture is obtained; a pH meter and a dissolved oxygen meter are adopted to monitor the state of a microbial solution in real time, the aeration intensity and nutrient solution supplement are automatically adjusted according to critical value judgment, a composite curing agent is prepared according to the calculation proportion, the interface bonding strength and compressive strength are tested, and the curing effect is evaluated through a strength development equation and a durability prediction equation. According to the comprehensive performance indexes, the matching parameters are dynamically adjusted, the testing and adjusting process is repeated until the results are stabilized in the target performance interval for five continuous times, the final matching is determined, and the technical problem that the matching of the industrial waste residues and the microbial composite curing agent is difficult to accurately optimize is solved.

The invention discloses a cultivation device for forest tree seedling raising, and belongs to the technical field of seedling raising devices.The cultivation device comprises a base, supporting rods are fixedly connected to the four corners of the base, a supporting plate is fixedly connected between the tops of the supporting rods, and an annular cutting piece comprises an arc-shaped cutting piece; the device has the advantages that redundant spraying water or nutrient solution of each layer of trays can be conveniently guided and conveyed through the water collecting trays, waste is avoided, the height of the trays can be conveniently adjusted, the height of the trays can be conveniently adjusted, the height of the trays can be conveniently adjusted, and the device is convenient to use. The device has the advantages that the device can drive the annular cutting part to intermittently cut off root systems of seedlings excessively adhered to the inner wall of the cultivation barrel, and can drive the water collecting tray to upwards jack a soil layer and the seedlings, so that the cultivated seedlings can be conveniently, rapidly and safely taken out, damage to the seedlings during taking out is avoided, and the technical effects of effectively improving the cultivation efficiency and the working efficiency are achieved.

The invention discloses a deep-sea microorganism in-situ directional culture device, and relates to the technical field of deep-sea equipment, the deep-sea microorganism in-situ directional culture device comprises a microorganism culture cabin, a nutrient solution storage module, a bidirectional flow path assembly, an intelligent control module, a support assembly and the like; wherein the microorganism culture cabin consists of a flow channel, a flow choking block, a culture chamber, a movable small plate, a cabin cover and a sealing element, and the flow channel and the flow choking block form a structure based on a Tesla valve principle; through a bidirectional flow path assembly composed of a deep-sea high-precision metering pump, a deep-sea flow guide pump and the like, a nutrient substrate is injected in a reverse high-resistance mode to achieve efficient mixing, and seawater flows in a forward low-resistance mode to achieve environmental substance exchange; the deep-sea multi-channel switching valve is independently connected with the multiple sets of nutrient solution storage modules and the microorganism culture cabin, so that culture under various environmental conditions is realized; based on sensor data calculation and analysis, the starting and stopping time of the pump is intelligently controlled, the concentration of nutrient substrates in the microorganism culture cabin and the stability of environmental parameters are effectively guaranteed, and therefore in-situ culture deep-sea microorganism communities are controllable.

The invention relates to the field of agricultural planting, in particular to a layered hydroponic pool nutrient solution supply system which comprises at least one liquid level height maintaining mechanism, at least one sliding switch mechanism and a nutrient solution adding control mechanism, and the liquid level height maintaining mechanism is connected with the nutrient solution adding control mechanism through the sliding switch mechanism. Opening and closing of the infusion valve and starting and stopping of the nutrient solution adding control mechanism can be controlled according to lifting of the floating body, and nutrient solution supply is achieved through cooperation of all the mechanisms. According to the layered water planting device, the effects that nutrient solution supply can be automatically and accurately conducted on the layered water planting pool, nutrient supply needed by growth of the water planting plants is guaranteed, meanwhile, control is achieved through a mechanical structure, and the cost and maintenance problems caused by intelligent control are reduced are achieved.

The invention belongs to the technical field of pasture planting and cultivating, and particularly relates to a grassland pasture planting and cultivating device which comprises a box body, and a sealing door is hinged to one side of the box body; the cultivation assembly comprises a cultivation pot and a supporting frame; the discharging assembly is arranged in the box body and used for pushing the cultivation pots to slide towards the direction of the sealing door; the first driving assembly is arranged on the inner wall of the top end of the box body and used for driving the fixing frame and the cross rod to move; the second driving assembly is arranged on the fixing frame and used for driving the transverse rod to reciprocate up and down along the fixing frame; the spraying assembly is arranged on the transverse rod and used for atomizing the nutrient solution and spraying the nutrient solution to the top of the pasture; by arranging the first driving assembly, the second driving assembly and the discharging assembly, cultivation pots can be conveniently pushed out from the interior of the box body, workers do not need to enter the narrow box body, operation is easy, the working intensity of operators is reduced, and the working efficiency is improved.

A vegetable plug seedling precision planting and sowing production line system comprises a conveying module used for production line transmission and plug conveying; the soil paving module is used for paving nutrient soil in the hole tray; the hole pressing module is used for pressing and forming holes in the surface soil of the soil-containing hole tray; the dibble seeding module is used for dibble seeding vegetable seeds to holes one by one according to the specifications of the hole trays; the soil covering module is used for filling and flattening holes in the hole / seed containing hole tray; the spraying module is used for spraying a water-soluble nutrient solution to the soil on the surface layer of the hole tray after soil covering; by combining the planting environment characteristics and seedling raising process requirements of modern agricultural greenhouses, core links such as soil paving, hole pressing, dibble seeding, soil covering, fertilization and watering are integrated into the same production line system, efficient cultivation and automatic production of vegetable hole trays are achieved, and then precision planting and seeding and assembly line work of vegetable hole tray seedlings are achieved.

The invention discloses a multi-dimensional data monitoring and collaborative management and control method and system for a plant intelligent factory, and belongs to the technical field of collaborative control, and the method specifically comprises the steps: collecting multi-dimensional data of the plant intelligent factory in real time, the multi-dimensional data comprising plant physiological parameters, environmental factor parameters, nutrient solution parameters and equipment and operation state parameters, and based on the multi-dimensional data, constructing a dynamic multi-level causal association model among equipment, plant physiology, environment and operation, identifying a potential cooperative influence path in an abnormal state, and automatically performing cross-level management and control when an abnormality is detected or a growth process is predicted to deviate from a trend. The cross-level management and control instructions are distributed to an equipment level, a cultivation unit level and a workshop level according to levels, and multi-link linkage regulation and control are carried out on the intelligent plant factory; according to the method, by establishing a causal association and path cooperation mechanism, regulation and control are more accurate, flexible and adaptive, and the stability, resource utilization rate and intelligent level of plant production are effectively improved.

The present invention relates to a nutrient solution composition for increasing the establishment rate and promoting growth of a moss plant, and a method for cultivating a moss plant using same. The nutrient solution composition for promoting growth of a moss plant of the present invention enhances the establishment rate of a moss plant by providing a nutrient composition suitable for the growth of a moss plant, and at the same time contains a high concentration of essential growth elements, thereby enabling the production of a moss plant at low cost and with high efficiency.