58 results about "Water-use efficiency" patented technology

The invention discloses an intelligent irrigation dynamic regulation and control method and system based on multi-source data. The method comprises the steps that the daily total water demand volume is calculated; acquiring the volume moisture content of the soil of the surface layer and the main root system layer in real time through an array sensor, and calculating the real-time infiltration gradient between the surface layer and the main root system layer; and executing a pulse irrigation process formed by alternation of irrigation pulses and infiltration waiting pulses, stopping water supply when the volumetric water content of the surface layer reaches a first preset threshold value, starting next water supply when the real-time infiltration gradient is lower than a second preset threshold value, and stopping water supply until the accumulated irrigation amount reaches the daily total required water volume or deep layer leakage is monitored. The system is used for executing the method. According to the method, the soil internal infiltration gradient serves as the physical basis of pulse start and stop, efficient conveying of water to deep soil is achieved, the contradiction that surface runoff and deep root system water shortage coexist is solved, and the water utilization rate is increased.

The invention belongs to the technical field of agricultural intelligent control and irrigation management, particularly relates to a self-adaptive irrigation decision-making system oriented to crop water demand response, and aims to solve the problems that a traditional irrigation system is lagged in response, extensive in water distribution and difficult to match actual physiological water demand of crops. The system collects crop physiological and environmental parameters through a multi-source sensor, inverts a water stress index in real time in combination with an edge computing node, dynamically calls a basic water demand curve based on a crop growth stage, and generates an instantaneous water demand deviation. A double-level decision-making mechanism is adopted, wherein the first layer triggers emergency irrigation according to a dynamic warning threshold value; and the second layer realizes irrigation plan feed-forward adjustment through trend analysis. The system also integrates a closed-loop feedback verification and federated learning optimization mechanism, and continuously improves the decision precision. By fusing physiological feedback and self-adaptive modeling, the conversion from watering on day to water supply on demand is realized, the water utilization efficiency is remarkably improved, and the stress risk is reduced.

The invention of intelligent subsurface injection irrigation system is a type of integrated injection irrigation system that intelligently irrigates plants and uses available water resources with maximum economy and highest possible efficiency. The present invention includes an inverted conical tank and a water supply system equipped with a floater, a digital moisture meter sensor equipped with a transmitter as well as a humidity sensor information transmission system and also a sensor and thermostatic valve system for connecting and disconnecting the water, a water transfer pump from the main water storage pool to the water transfer network, a control room and a liquid fertilizer injection system in the transfer network as well as a bypass equipped with a valve in the water transfer network and a water storage pool and aquaculture. Also this invention relates to subsurface irrigation methods and systems for detection of humidity and temperature for correct watering.

The invention relates to the technical field of tree physiological monitoring and precision agriculture, in particular to a whole tree moisture utilization efficiency continuous monitoring system based on multi-type sensor integration, and adopts the technical scheme that a multi-sensor cooperative monitoring system and a multi-time-sequence data fusion algorithm are included, the multi-sensor cooperative monitoring system comprises a liquid flow monitoring unit, a trunk radial growth monitoring unit and an environment monitoring unit. A multi-time-sequence data fusion algorithm comprises time scale matching and a dynamic WUE model. By integrating various types of sensors such as trunk liquid flow, radial growth and temperature and humidity, 24-hour continuous monitoring of multi-source physiological and ecological data can be realized, and long-term operation can be realized after single-time equipment installation; according to the method, the monitoring efficiency can be remarkably improved, the manpower and material resource cost can be greatly reduced, in addition, the long-term stable data obtained through the method can reflect the dynamic law of the tree WUE, and convenient conditions are created for accurately analyzing the response of the tree WUE to the environment change.

The application discloses a multifunctional sprinkling irrigation system and method integrating photovoltaic racks, and belongs to the field of agricultural irrigation equipment. The multifunctional sprinkling irrigation system comprises a photovoltaic rack unit, a multifunctional sprinkling irrigation unit and an intelligent control unit. The photovoltaic rack unit comprises a rigid support for bearing a photovoltaic panel, a sunshade net and a rotary sprinkling head. The multifunctional sprinkling irrigation unit comprises a rotary sprinkling head, a partition electromagnetic valve, a main water supply pipe, a functional electromagnetic valve, a water pump and a water pool which are sequentially connected through pipelines. The intelligent control unit comprises a system control center for receiving collected data and sending corresponding instructions to complete intermittent irrigation, frost prevention and control and atomization cooling. Compared with the prior art, the multifunctional sprinkling irrigation system has the advantages that: 1. the photovoltaic rack and the sprinkling irrigation rack are integrated; 2. the construction cost and the maintenance cost of the related agricultural facility equipment system are greatly reduced; 3. intermittent sprinkling irrigation is realized, and the sprinkling uniformity and the water use efficiency of the sprinkling irrigation on a slope are improved; and 4. crop microclimate regulation is realized.

This invention discloses a sand-fixing method utilizing coppicing and sand burial of Haloxylon ammodendron, relating to the fields of windbreak, sand fixation, and vegetation restoration. Based on the natural growth angle of Haloxylon ammodendron branches, this invention applies coppicing and layering treatments to upright and inclined branches respectively. Inclined branches are laid flat against the ground and buried in sand, causing adventitious roots to sprout from the buried internodes and new suckers to grow upwards. These newly formed suckers are guided towards adjacent plants and buried perpendicular to the prevailing wind direction, creating a connected network structure between plants through their root systems and stolons. This invention classifies and treats branches according to their type. Coppicing upright branches reduces plant height and branch height, promoting tillering; sand burial of inclined branches induces adventitious roots, expands the water absorption area, lowers the center of gravity of branches and leaves, and increases ground cover, which is beneficial for improving the sand-fixing efficiency of vegetation, enhancing the water use efficiency of Haloxylon ammodendron, and promoting healthy shrub development.

The invention relates to a water and fertilizer integrated drip irrigation experiment monitoring method suitable for winter wheat, and relates to the technical field of crop irrigation, and the method comprises the following steps: 1, selecting an experiment address: selecting 15 mu of land with sufficient light and heat and the same period of rain and heat in a plain area of a warm temperature zone; 2, sowing is conducted, mechanical sowing is conducted, the sowing quantity is 30 jin / mu, the line spacing is 15 cm, and a tested wheat variety is Zhongmai 29; 3, quantitatively applying water and fertilizer, setting irrigation quota of 20, 30 and 40 m < 3 > / mu according to test design, setting fertilization amount as a secondary factor, and respectively setting 210 and 240 kgN / hm < 2 >, 4, walking in an experimental field through a plurality of monitoring devices, picking or measuring and monitoring the wheat in each period of wheat growth, and calculating the water utilization efficiency according to the wheat yield; and step 5, recording meteorological data, and recording the data once every 1h. The method has the beneficial effects that the growth conditions and various parameters of the winter wheat under different variable conditions are obtained, and then the drip irrigation water quantity and the water-fertilizer proportion which are most suitable for the winter wheat are obtained.

The present application relates to the field of agricultural engineering, and discloses a self-adaptive water supply system for corn greenhouse planting, which comprises an environment monitoring module for monitoring air temperature, air humidity, light intensity and concentration in the greenhouse; a growth monitoring module for monitoring corn leaf surface temperature and plant height; a soil monitoring module for monitoring soil temperature, soil moisture content and soil water potential; a root system analysis module for monitoring corn root system distribution depth and root system vigor index; and a control module connected with the environment monitoring module, the crop growth monitoring module, the soil monitoring module and the root system analysis module, for calculating irrigation water requirement according to the corn growth stage, soil moisture condition and root system distribution depth. The present application monitors corn root system distribution depth in real time through the root system analysis module, and introduces a root depth correction coefficient when calculating irrigation water requirement, so as to match water supply with the actual distribution area of root system, thereby improving water use efficiency.

The invention relates to the technical field of environment regulation and control, in particular to a plant root domain microclimate environment regulation and control method capable of adaptively regulating moisture and heat, which comprises the following steps: preparing a bionic microelectrode array capable of specifically sensing a root electric signal; constructing an electric signal-chemical signal conversion layer; printing a multi-channel bionic catheter network with a fractal structure and assembling a photo-thermal response micro-valve; and finally, integrating the intelligent microcapsule and the microbial system to form a functional module. According to the method, a signal is efficiently captured through a graphene-membrane protein interface, the signal is converted into a chemical instruction through a ferrocene / heme system, a liquid crystal valve is driven to regulate and control the water and gas flux in a fractal network, and the phase change heat storage and self-repairing functions of microcapsules are combined; an intelligent root domain environment system capable of dynamically responding to plant physiological needs, resisting environmental stress and promoting microbial symbiosis is constructed in a cooperative mode, and the water utilization efficiency and the ecological restoration effect are remarkably improved.

This invention discloses an optimized method and system for green and high-yield cultivation of dryland wheat, relating to the field of agricultural cultivation technology. The method includes: firstly, acquiring typical precipitation and soil characteristic data of the target planting area, constructing a micro-ridge furrow simulation model, and optimizing the solution with the goal of maximizing predicted water catchment to obtain optimal micro-ridge furrow parameters. Then, calculating the confidence wetting depth based on the precipitation characteristic data and optimization results, and determining the furrow sowing parameters according to the optimization results and wheat water requirements. Finally, performing cultivation operations based on the micro-ridge furrow parameters, furrow sowing parameters, and confidence wetting depth, wherein the fertilizer application depth is determined based on the confidence wetting depth. This invention achieves precise matching of micro-ridge furrow structure, crop layout, and water and fertilizer management, solving the problems of low water use efficiency and poor spatial matching of water and fertilizer in traditional cultivation, and improving the precipitation use efficiency and yield level of dryland wheat.

The utility model relates to the technical field of intelligent pump stations, in particular to an environment-friendly intelligent pump station which comprises a pump station box, control buttons are installed on the surface of the pump station box, a sewage filtering mechanism is arranged in a filtering box, an environment-friendly energy-saving mechanism is arranged on the inner wall of the pump station box, and a water quantity control mechanism is arranged in a cavity. According to the intelligent pump station, solar energy can be fully utilized to supply power to the first water pump when the intelligent pump station is used, so that the intelligent pump station is more energy-saving and environment-friendly and wider in use prospect when being used, sewage can be independently treated when the intelligent pump station is used, and meanwhile, the purpose that the sewage can be used is achieved; and when the intelligent pump station is used, the water level in the water storage tank can be accurately controlled, automatic drainage is achieved, manual intervention is not needed, and the water utilization efficiency is further improved.

The invention belongs to the technical field of vegetation recovery, and particularly relates to a three-dimensional self-maintaining vegetation recovery technology and related application. The technology has obvious advantages in the aspects of improving the water utilization efficiency, improving the soil corrosion resistance, promoting the soil nutrient and water circulation, improving the biodiversity and the like, particularly, maintenance such as watering is not needed after vegetation restoration, the traditional method of fixing green with water is broken through, and serious dependence of vegetation restoration in arid and semi-arid regions on water resources is eliminated. The technology is tested in coal mines, ash storage fields, rare earth mines and the like in northern arid and semi-arid grassland areas, and a good effect is achieved.

The invention relates to application of a TaGRF2-A gene in enhancing heat resistance of wheat, and belongs to the field of plant genetic engineering. Specifically, the wheat TaGRF2-A gene participating in positive regulation and control of high-temperature stress resistance is cloned in wheat, so that the wheat TaGRF2-A gene is overexpressed, and compared with a wild plant, a wheat plant with the overexpressed TaGRF2-A gene shows higher high-temperature resistance; the TaGRF2-A gene enhances the tolerance of wheat under a high-temperature condition in manners of regulating the stomatal conductance of plants, optimizing the photosynthesis efficiency, improving the water utilization efficiency and the like, and a new genetic engineering modification means is provided for cultivating a new wheat variety with high yield, stable yield and high temperature resistance.

The present application relates to the technical field of potato irrigation, and particularly relates to a potato precision irrigation system based on the Internet of Things. The system comprises a movable irrigation point for irrigating potatoes, which can more accurately realize the irrigation of potatoes; and an analysis unit determines the irrigation state based on water use efficiency, and adjusts the point coordinates of the irrigation device corresponding to the region point with a penetration depth lower than the preset penetration depth based on the irrigation state, adjusts the concentration of vitamin C solution when the cumulative irrigation frequency reaches the preset frequency and the irrigation state is still unqualified, and adjusts the irrigation amount when irrigating the vitamin C solution, so that the irrigation of potatoes is more effective. The present application determines the irrigation state based on water use efficiency, and adjusts the parameters when the irrigation state is unqualified, so that the irrigation of potatoes is more accurate, thereby further improving the irrigation efficiency of potatoes.

The invention discloses a method for improving corn and soybean water utilization efficiency and intercropping yield under strip-shaped composite planting, and belongs to the technical field of agriculture. Aiming at the superiority of light and heat resources in the Huang-Huai-Hai region, the limitation of water resources and the uncertainty of the influence on crop productivity, in a corn and soybean strip intercropping mode, a method of combining corn strip deep scarification with total wheat straw and soybean strip returning / total wheat straw uniform returning is adopted, the plow pan is broken, the volume weight is reduced, and the yield is increased. The volume of middle and lower layers of roots is increased; the vertical and horizontal distribution of the roots is optimized; the water competition between intercropping corn and soybean strips is reduced; the above-ground source library relationship is balanced; and detecting. The water utilization efficiency WUE is remarkably improved, the land equivalence ratio LER reaches 1.41, and the method has remarkable production advantages and is beneficial to high-yield, high-efficiency and high-quality production of corn and soybeans in the northwest Shandong region.

This invention relates to the field of analytical testing technology, and in particular to a method and apparatus for evaluating bamboo drought resistance based on the coupling of leaf anatomical structure dynamics and photosynthetic physiology. Under standardized sampling and measurement conditions, this invention focuses on repeatable dynamic characteristics of anatomical structure and couples them with photosynthetic physiological state, while simultaneously suppressing the risk of distortion in water use efficiency in the low-value range. This results in a method and apparatus for evaluating bamboo drought resistance that can be used to accurately and robustly determine the drought resistance level of bamboo under drought stress and rehydration conditions, and has broad application prospects.

The invention provides an automatic control system and method for fruit tree irrigation, and the system comprises an information collection module which is used for collecting fruit tree information, meteorological information and soil information; the information storage module is used for storing information; the information processing module is used for processing the information acquired by the information acquisition module and generating the historical total rainfall amount corresponding to different phenological periods of the fruit trees in the planting land; the irrigation decision-making module is used for generating an overall irrigation strategy and a real-time water supplementing strategy of different phenological areas of the fruit trees; and the irrigation execution module is deployed in a fruit tree planting field for irrigation equipment and is used for executing the irrigation decision generated by the irrigation decision module. According to the invention, at the beginning of each phenological period, the overall irrigation plan covering the phenological period is generated, so that the water utilization efficiency and the overall operation efficiency of the irrigation system are remarkably improved. Meanwhile, outside the whole irrigation strategy period, the problem of fruit tree yield reduction caused by drought stress outside the whole irrigation strategy period is avoided according to a water supplementing strategy generated in real time.

The invention belongs to the technical field of ecological restoration of alpine grassland, and particularly relates to an ecological planting method for shrub grassland in a super plateau semi-arid region. The method comprises the following steps: delimiting a sample plot in a to-be-restored super plateau semi-arid region degraded grassland area, and applying a bio-organic fertilizer and biochar for soil improvement and activation; ditching and soil preparation; after a water-retaining agent absorbs water and is prepared into gel, uniformly applying the gel into the sowing furrows and uniformly mixing the gel with furrow soil; and performing multi-species matching and sowing. According to the ecological planting method, a low-disturbance degraded shrub grassland remediation technology is adopted, a liquid mulching film is directly sprayed on the surface of soil on the basis of soil improvement, the effects of preventing wind, maintaining soil moisture and increasing ground temperature are achieved, the soil moisture condition and the moisture utilization rate can be obviously improved, soil remediation and vegetation planting are both considered, and the ecological planting effect is achieved. The multifunctionality of the ecological system of the shrub grassland is improved.

The invention provides a yield-increasing synergist for dry farming potatoes. The main components of the yield-increasing synergist are abscisic acid, a nitrification inhibitor, organic silicon and diatomite. The invention further provides a preparation method of the fertilizer and application of the fertilizer to improvement of water utilization efficiency and nitrogen fertilizer utilization efficiency in the dry-farming potato planting process. The fertilizer has the following advantages that the synergistic interaction is remarkable, the natural ABA, the organic silicon and the nitrification inhibitor have the synergistic effect through a drought resisting-water retention-nitrogen promoting triple path, compared with single-component treatment, the potato yield is increased, and the nitrogen fertilizer utilization rate is increased; the abscisic acid ABA is a natural source ABA, so that chemical toxicity is avoided; the nitrification inhibitor is low in toxicity and easy to degrade, and soil residues are reduced; the organic silicon can change the soil agglomeration structure, increase the water holding capacity of the soil and reduce water infiltration and evaporation, and has great significance in arid and semi-arid regions; the fertilizer can be mixed with a nitrogen-containing fertilizer to be applied, can be processed into an aqueous solution, and is suitable for various dry farming fertilization modes such as drip irrigation, furrow application and hole application.

The application discloses a high-temperature drought corn water-saving irrigation and precision fertilization integrated method, relates to the technical field of agricultural water-saving irrigation and precision fertilization, and comprises the following steps: system layout, pre-sowing basic treatment, whole growth period water and fertilizer coupling regulation and control, high-temperature drought emergency regulation and control and post-treatment.The whole growth period water and fertilizer coupling regulation and control is implemented in stages according to the seedling stage, the jointing stage, the big bell mouth stage, the male silk shedding stage and the grain filling stage, irrigation is started by taking the soil relative water content as a threshold value, and synchronous precision fertilization is carried out in cooperation with drip irrigation.The high-temperature drought emergency regulation and control is to adopt a small amount of multiple times and low-concentration water and fertilizer supply under continuous high temperature.The application realizes efficient water saving under high-temperature drought conditions by precisely coupling drip irrigation and fertilization through the soil moisture content threshold control in different growth periods, significantly reduces water evaporation and deep seepage, greatly improves water use efficiency, and effectively alleviates the drought stress of the corn seedling stage, the big bell mouth stage and the male silk shedding stage.

The invention discloses a planting method for relieving wheat drought based on SiQDs seed dressing and halophilic bacillus combined application, and belongs to the technical field of agricultural planting. The invention discloses a planting method for relieving wheat drought based on combined application of SiQDs (silicon quantum dots) seed dressing and halophilic bacillus, which comprises the following steps: carrying out seed dressing treatment on wheat seeds by using SiQDs, then planting the wheat seeds subjected to seed dressing in soil, and applying a halophilic bacillus inoculant during the growth period of wheat. Through combined application of SiQDs and halophilic bacillus GS127, wheat root development under drought stress can be better promoted, the content of proline and soluble sugar in wheat bodies is improved, the content of malondialdehyde is reduced, the drought tolerance of wheat is enhanced, wheat growth is effectively promoted, the yield and the water utilization efficiency are improved, and the application potential in agricultural wheat arid region production is extremely good.

This application relates to the interdisciplinary field of mechanical engineering and industrial water-saving control, and discloses a water-saving control method and system for the pure water washing section of a diamond wire saw production line. It aims to solve the problems of water waste and control lag caused by fixed water supply strategies and information silos in existing multi-stage countercurrent washing technologies. The method includes: real-time acquisition of water quality parameters from each washing tank and wire saw operating parameters; construction of a pollutant migration dynamics model to predict dynamic changes in pollutant concentration; and generation and execution of pure water replenishment flow commands for each stage based on the final stage water quality compliance threshold using a feedforward-feedback composite control strategy. Through dynamic closed-loop control, this application achieves reduced pure water consumption while ensuring the conductivity of the final stage washing water is ≤10μS / cm, significantly improving water use efficiency and production stability.

The invention relates to the technical field of watering, in particular to an alternate irrigation device for landscape nursery stocks. The alternate irrigation device comprises a main pipeline, a control device and spraying heads. The control device comprises a control box body, a control valve horizontally arranged in the control box body in a sliding mode, a transmission sliding base vertically arranged in the control box body in a sliding mode, and a first rotary disc and a second rotary disc which are rotationally arranged in the control box body. A fan-shaped cavity filled with water-absorbent resin is formed between the first turntable and the second turntable; the transmission sliding seat is in transmission connection with the second turntable so as to drive the transmission sliding seat to slide when the second turntable rotates; the control valve is in transmission connection with the transmission sliding seat, and when the transmission sliding seat slides, the control valve slides relative to the control box body; according to the water-saving irrigation device, automatic alternate switching of on-off of the spraying heads is achieved, dependence on a complex electric control system or an external sensor is not needed, the structural reliability is higher, the water utilization efficiency can be effectively improved, the labor and operation cost of garden landscape and nursery maintenance can be reduced, and flexible and efficient water-saving irrigation is achieved.

The invention provides an irrigation strategy adjustment method and system based on environmental data and climate data, and relates to the technical field of agricultural irrigation intelligent regulation and control. The environment data and the corresponding climate data of the target irrigation area are obtained in each preset decision period, unification processing is performed on the multi-source data, the irrigation state data are constructed, the future disturbance uncertainty interval is introduced, the irrigation strategy is solved under the moisture target constraint and resource constraint conditions, and the irrigation accuracy is improved. And in the execution process, rolling re-solving is triggered through feedback data, dynamic updating of an irrigation strategy is achieved, and therefore the adaptability of an irrigation decision to environment changes and the water utilization efficiency are improved.

This invention discloses a method for optimizing and adjusting a river water allocation scheme. The method includes: 1. Defining the water allocation indicators for each water supply area within and outside the river channel of a river with an implemented water allocation scheme; 2. Determining the base year and horizontal year for adjusting the river water allocation scheme, and predicting the water demand of each water supply area outside the river channel and the water demand within the river channel in the horizontal year; 3. Calculating the adjustable water reduction indicators for each water supply area outside the river channel and within the river channel in the horizontal year based on the prediction results, and calculating the adjustable water volume indicators for optimizing the river water allocation scheme in the horizontal year; 4. Establishing quantitative indicators of water use efficiency using existing allocation coefficient methods and opportunity cost methods; 5. Establishing quantitative indicators of water use fairness using the Gini coefficient; 6. Establishing and solving an adjustable water volume optimization allocation model to obtain the allocation scheme of the adjustable water reduction indicators; 7. Calculating the optimized water volume indicators for each water supply area within and outside the river channel after optimization and adjustment in the horizontal year, thus obtaining the optimized and adjusted river water allocation scheme.

The invention belongs to the technical field of bryophyte cultivation, and particularly discloses a cultivation method of hypnum melioides, which comprises the following steps of: constructing three layers of substrates (the bottom layer is planted with golden stones of 3-5mm, the middle layer is peat soil-Kanuma soil of 1: 0.8-1.2, and the upper layer is plasma treated felt cloth); the broken stems are pretreated with an activating solution containing naphthylacetic acid and chitosan; after inoculation, culturing in a full-artificial light environment (800-1200lux, the ratio of blue light to red light is 1: (2-3)), and intermittently spraying to maintain the humidity to be 85-90%; a nutrient solution containing nitrogen, phosphorus, potassium and trace elements is sprayed every week; and the COO is enriched to 800-1000 ppm in the seedling stage. According to the method, within 21 days, the coverage degree is larger than 80%, the mildew rate is smaller than 3%, the biomass increment reaches 48.7 mg / cm, the water utilization efficiency is improved by 223%, and the method is suitable for large-scale production of vertical greening walls and ecological restoration projects.

The utility model discloses a flower water -saving drip irrigation cultivation device relates to flower drip irrigation cultivation device technical field, include: the water collection frame, filter frame and the water storage frame who are laid out in proper order, install the mounting bracket of filter frame one side, be provided with telescopic frame body on the mounting bracket, and with the assembly of the d-shaped frame of telescopic frame body near water storage frame one side, be provided with a plurality of drip irrigation mechanism on the d-shaped frame, wherein, every drip irrigation mechanism includes drip irrigation cotton subassembly, and the piston transmission subassembly of being in the water storage frame is equipped. The utility model discloses through the transmission effect of piston transmission subassembly and drip irrigation cotton subassembly, under the action of telescopic frame body longitudinal movement, will device drip irrigation position switching and drip irrigation volume linkage operation, thereby more accurately satisfy the drip irrigation demand of different parts of flower (flower root concentrated and large amount of drip irrigation, flower surface range and small amount of drip irrigation) to improve water use efficiency and save water resources.

The present application relates to the field of artificial intelligence and data processing technology, in particular to a method and system for estimating irrigation water consumption based on adaptive dynamic feature fusion, specifically as follows: real-time collection of irrigation water consumption data; preprocessing of the collected water consumption data; constructing a dynamic lag embedding matrix based on historical water consumption information, and then fusing it with periodic features to obtain historical fusion features; constructing an irrigation water consumption estimation model for agricultural irrigation in the irrigation area based on a deep LSTM model, inputting the preprocessed data and historical fusion features into the model for training until the preset condition is met and the training is stopped, obtaining the trained model; incremental training of the trained model; inputting the newly collected irrigation water consumption data and meteorological data into the incrementally trained model to estimate the irrigation water consumption for agricultural irrigation in the irrigation area. The present application can solve the problems of prediction bias and inaccuracy caused by dynamic data, and thus improve the scientificity of irrigation scheduling and the robustness of water use efficiency.

The application discloses a green tea seedling cultivation device and relates to the technical field of agricultural planting devices.The device base is used as the supporting main body of the cultivation device, the inside of a cultivation pot is provided with nutrient soil for cultivating green tea seedlings, and the cultivation pot is embedded with a flexible piezoresistance sensor; a pressure platform pot is placed on a platform pot groove, the cultivation pot is placed in the pressure platform pot, and the pressure platform pot is used for applying external pressure to the cultivation pot and providing mechanical stimulation for the root system of the green tea seedlings; a spraying assembly is installed on the device base and is used for spraying and irrigation during the cultivation of the green tea seedlings; and a spraying drive is used for driving the spraying assembly to move and adjusting the angle of the spraying assembly for spraying and irrigation of the green tea seedlings; the cultivation pot is applied with controllable mechanical stimulation by the pressure platform pot to promote the lignification and development of the root system, the spraying assembly with the adjustable angle is combined to realize differential spraying and irrigation of the front and back surfaces of the leaves, and the survival rate of the seedlings after transplanting is effectively improved and the water use efficiency is optimized.