1019 results about "Soil humidity" patented technology

The invention discloses a fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system. The method comprises the first step of data collection and processing, wherein limiting values of the soil humidity, nutrients and pond water level and the irrigation and fertilization planning time are set and stored in a database according to the water demand regulation and a fertilization formula of crops, and collected soil temperature and humidity, soil nutrients, air temperature and humidity, air speed, rainfall, flow, pond water level and pipe network pressure data; the second step of intelligent control, wherein corresponding data are read from the database and an irrigation valve and a fertilization valve are intelligently controlled by the adoption of the fuzzy control algorithm and a water and fertilizer coupling mode, by comparing the current pond water level with the set limiting value of the pond water level, starting and stopping of a water pump are intelligently controlled, and the speed of the water pump is adjusted and controlled by a PID algorithm. The fuzzy-control-based internet of things intelligent irrigation and fertilization control method and system have the advantages of being good in performance, complete in function, high in expansibility, easy to operate and manage and the like, and intelligent management and control are achieved by the adoption of fuzzy control.

The invention provides a method for assimilating remote sensing data of soil humidity in a watershed scale. The method comprises the following steps of: improving a watershed runoff producing calculation module and developing a distributed hydrological model which is suitable for assimilating remote sensing soil humidity information and describes a soil hydrodynamic process; introducing a particle filtering sequence data assimilation method of information science, and continuously merging and assimilating new remote sensing observation data in a dynamic operation process of distributed hydrological process numerical simulation so as to acquire updated watershed soil humidity assimilated data during sequential assimilation; feeding the updated watershed soil humidity assimilated data back to a distributed hydrological model platform; and gradually estimating the time and space distribution pattern of watershed soil moisture content. Practices prove that by the method, not only high-precision and physically consistent watershed soil humidity data can be provided for research on hydrology, zoology, environment and agriculture, but also the foundation is laid for performing four-dimensional data assimilation processing on soil humidity data of an upper soil layer acquired by using remote sensing retrieval, and improving the precision of the model.

The invention relates to an intelligent irrigation fertilization decision-making control system, comprising an input unit, an output unit, a data acquisition unit and an irrigation control unit, wherein, a decision-making analysis unit arranged in a decision control database receives the data from the input unit and exchanges data with a privilege unit after processing the received data, and then exchanges data with a fuzzy reasoning unit which also receives output data of a data management unit; after performing logical judgment and processing according to the received data, the fuzzy reasoning unit outputs the data to a control management unit; a sensor of the data acquisition unit acquires and transfers the soil humidity data to the data management unit; a controller of the irrigation control unit receives the data from the control management unit, and transfers the data to a switching quantity output module after processing, and the switching quantity output module transfers the data to a solenoid valve. The intelligent irrigation fertilization decision-making control system has the advantages that: crop physiological water demand indicators are introduced into the computer automatic control field, the irrigation fertilization decision-making is carried out through an irrigation indicator database and the fuzzy classification technology.

The invention relates to a quick regenerating method for vegetation of returning farmland to grassland zone in extremely cold areas, which comprises the following steps of: (1) mixing and seeding annual pasture oat and perennial pasture on the farmland returning to grassland zone, and building an artificial pasture integrating mowing and grass seed harvesting functions; (2) ploughing and raking the artificial pasture; (3) sowing the seeds and applying base fertilizer; and (4) mowing the oat forage grass in the first year and harvesting the grass seeds and mowing the perennial pasture in the second year or later after covering and compacting the grass seeds in the step (3). The method utilizes the annual oat and perennial pasture to form different biotypes of pasture mixing and seeding community, so that the weed spreading can be obviously suppressed, the soil humidity and air humidity are obviously improved, the evaporation capacity and water loss and soil erosion intensity are reduced, therefore, the soil exposure time is short after regeneration of the grassland zone, the vegetation covering is quick, the water retention and preservation of soil moisture effect is obvious, and the ecological and economic benefits are remarkable.

The invention discloses a method for inverting surface soil physical parameters through passive microwave remote sensing. The method comprises the steps as follows: step one, brightness temperature data and MPDIes (microwave polarization difference indexes) of an AMSR-E passive microwave remote sensing brightness temperature image are acquired by a launched satellite-borne passive microwave remote sensing meter AMSR-E; step two, a relationship of smooth surface reflectance, surface soil roughness parameters, MPDIes and vegetation optical thickness is acquired through deduction; step three, surface soil humidity mv and soil roughness h are calculated; and step four, the surface soil temperature TS is calculated. The method is based on a simplified passive microwave radiation transfer equation and combined with the MPDIes, a Q/H surface soil roughness model, a vegetation optical thickness model, a Fresnel equation and the like, so that a physical inversion model for the surface soil determinant attribute parameters including the soil temperature, the surface soil temperature and the soil roughness is constructed; and the method can be used for inverting the surface soil temperature, soil humidity and surface roughness distribution of China and even the global region and has important scientific significance.

The invention discloses a data analysis based agricultural guidance system. The data analysis based agricultural guidance system comprises a sensing module used for acquiring crop planting parameters, including, at least one of climate temperature, climate humidity, soil humidity, a soil pH value, a oxygen amount and a carbon dioxide amount; an image module used for acquiring crop image data; a climate data module used for obtaining climate data where the crops are within a preset time period; a guidance center used for receiving the data acquired by the sensing module, the image module and the climate data module, calculating generated indexes and a production predicted value corresponding to the crop parameters, image characteristics and the climate data after extracting the image characteristics of the image data, querying a preset database to obtain corresponding guidance information and pushing the guidance information to mobile devices of farmers. The data analysis based agricultural guidance system decreases a monitoring threshold in an agricultural product production process, reduces planting difficulty and production cost and is suitable for development of modern precision agriculture.

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

The invention discloses a method and an apparatus for detecting deep soil humidity through microwave remote sensing, and relates to the technology of microwave remote sensing. The method for detecting deep soil humidity through microwave remote sensing is provided by utilizing an object-penetrative property of microwave low-frequency bands and also disclosed is the apparatus for detecting deep soil humidity through microwave remote sensing. Backscattering coefficients of soils are tested. Soil humidity of different depth is obtained through inverting a deep soil scattering model and a soil dielectric model. A three dimensional image of the distribution of soil humidity in a tested area is formed. The working frequency of the apparatus is in the VHF/UHF band. Soil dielectric constants and humidity parameters of different types of soils in a depth of 0.1-10 m can be detected in a contactless and lossless manner.

The invention relates to an intelligent control system for a greenhouse. The system comprises the greenhouse, a drip irrigation mechanism, a heating mechanism, a light supplementing mechanism, an automatic ventilation mechanism, a roller shutter mechanism, solar photovoltaic panels, a wind power generation device and a control cabinet and is characterized in that the drip irrigation mechanism is composed of drip irrigation pipes and water pumps; the heating mechanism is composed of heat supply pipes and a hot air generation device; the light supplementing mechanism is composed of multiple light supplementing lamps; the automatic ventilation mechanism is composed of two ventilation fans; the roller shutter mechanism is arranged on a sun-facing surface of the greenhouse; a control circuit iscomposed of a micro-controller, a temperature and humidity sensor, a PH valve sensor, an illumination sensor, a CO2 concentration sensor and a soil humidity sensor. The intelligent control system forthe greenhouse performs drip irrigation, ventilation, light supplementation, and hot ventilation operation when water content of soil, CO2 concentration, illumination and temperature are excessivelylow. Therefore, automated control over growth of crops in the greenhouse is realized. A better environment is created for growth of crops in the greenhouse. The intelligent control system for the greenhouse has evident beneficial effects and is suitable for application.

The invention discloses a design method for a high-resolution fully distributed hydrological model TOPX, which belongs to the field of design methods for fully distributed hydrological models. The design method is combined with a new topologic index computational method, and has a topologic index scale transform mechanism. The design method includes steps of A), preparing data of a TOPX model of the high-resolution fully distributed hydrological model; B), computing topologic indexes of the high-resolution fully distributed hydrological model TOPX; C), computing runoff generation of the TOPX model of the high-resolution fully distributed hydrological model; D),computing soil humidity of the TOPX model of the high-resolution fully distributed hydrological model; E), computing confluence of the TOPX model of the high-resolution fully distributed hydrological model; and F), obtaining testing results of the TOPX model of the high-resolution fully distributed hydrological model and analysis of the testing results. The design method has the advantages that DEM (digital evaluation model) data can be simply and effectively processed, topologic index efficiency is improved, and applicability of the TOPX model in a high-resolution DEM field can be effectively enhanced.

The invention provides a best water-saving irrigation method by wireless soil moisture monitoring. In the invention, a central control unit is arranged, and a wireless monitoring terminal and a wireless execution terminal are arranged in an irrigation field to perform network communication with the central control unit. The wireless monitoring terminal is provided with a soil moisture sensor and a soil nutrition sensor, wherein the sensors transmit data of current soil humidity and nutrition to the central control unit; the central control unit transmits a water-supplying and nutrition-adding command to the wireless execution terminal according to the current soil condition; and the wireless execution terminal determines the water supply amount and supplies water according to the command. The whole process is performed automatically, so the method saves mass labor force, especially saving mass water resources.

The invention relates to an indoor intelligent plant maintenance device comprising an environment information collection sensor, a central processor, and a maintenance motion module. To be specific, the environment information collection sensor is used for collecting environment information of the plant; the input terminal of the central processor is connected with the environment information collection sensor and the central processor is used for receiving plant environment information collected by the environment information collection sensor and carrying out operation and comparison on the environment information and a plant growth characteristic model to obtain a control signal; and the maintenance motion module connected with the output terminal of the central processor is used for executing a corresponding maintenance motion according to the control signal of the central processor. In addition, the invention also relates to a system and method that use the device. The device, system and method have the following beneficial effects: environmental factors including soil humidity, air humidity, an air temperature, illumination density and the like can be monitored in real time; and determination of environmental factor adjustment can be made and a corresponding operation is executed according to the plant growth characteristic model, thereby realizing an intelligent maintenance effect.

The invention discloses a method for propagating apocarya seedlings. The method comprises the steps of selecting an annual apocarya seedling branch, shearing the branch to be the length being 10 cm, and soaking the lower end of the sheared branch into an 800 mg/L NAA solution for 4 h; placing a matrix into a paper bag, inserting a cutting into the matrix, enabling the paper bag obtained by cuttage to tightly abut against a mesh disc with a hole, and placing the paper bag on a seedbed; in the cutting rooting process, keeping the soil humidity to be about 70%, and keeping the temperature of the lower end of the cutting to range from 25 DEG C to 30 DEG C; conducting grafting 40 days after cuttage, adopting the bark peg grafting method, transferring the kraft paper bag, obtained after grafting, with the cutting into a large pot, filling the periphery of the pot with the matrix, pulling out 4/5 of the kraft paper bag, observing the grafting survival rate 15 days after grafting, completely removing the paper bag, and then conducting high-density nutrient and water management. According to the method, the apocarya nursery stock can grow more than 80 cm in the current year, and the survival rate is more than 90%.

The invention relates to an intelligent irrigation control system and method based on short message service. The intelligent irrigation control system comprises a soil temperature sensor, a soil humidity sensor and an air temperature sensor which are arranged in a farmland and connected with the input end of a lower computer, wherein the lower computer receives the temperature information and humidity information of the farmland and sends the temperature information and the humidity information to an upper computer through a serial port; meanwhile, the lower computer monitors a command of the upper computer in real time, and is also connected with electromagnetic valves arranged in irrigation regions and used for controlling the opening and closing of the electromagnetic valve of each irrigation subregion; the upper computer is also connected with a wireless transmission module; and a user inputs a control command into the upper computer by a mobile phone, a computer or a fixed-line telephone through the wireless transmission module. According to the invention, the control command is input through a PC (personal computer) interface or common mobile phone or operation parameters are collected through the PC interface or common mobile phone, and automatic irrigation is carried out according to the acquired environment parameters or preset plan. An automatic irrigation control system based on a PC development platform is high in stability, is flexible in operation, and is suitable for large-scale popularization and application.

The invention discloses a soil measuring device for land planning, and relates to the technical field of land planning equipment. A driving motor is fixedly arranged on the upper part of a lifting plate through a motor bracket, a rotating shaft is fixedly arranged at the output end of the driving motor, the upper end of the rotating shaft is rotatably arranged on the middle part of the lifting plate through a bearing, and a drill bit is fixedly connected to the bottom end of the rotating shaft; a fixing plate is arranged on the lower side of the lifting plate, two electric lifting rods are symmetrically and fixedly arranged on the left side and the right side between the lifting plate and the fixing plate, the upper ends of the electric lifting rods are fixedly connected with the bottom ofthe lifting plate, and the bottom ends of the electric lifting rods are fixedly connected with the upper part of the fixing plate; leg supporting mechanisms are vertically and fixedly arranged on four corners of the bottom of the fixing plate; and a detection mechanism fixedly sleeves the outer side wall of the rotating shaft on the upper side of the drill bit. Technicians can conveniently sampledeep-level soil, the sampled depth can be effectively controlled, the humidity of a hard soil layer can be effectively measured, and soil humidity sensors are damaged.

An irrigation and fertilization system based on crop environment cooperative feedback comprises a meteorological station, a soil humidity sensor, a leaf area index measuring instrument and a controller. After the meteorological station, the soil humidity sensor and the leaf area index measuring instrument obtain the sunshine duration, air pressure, air temperature, air humidity, precipitation amount, small climate environment 2-meter high wind speed, solar radiation, field water holding capacity, field water holding rate, water saturation degree, moisture content of withering point soil, a wilting coefficient and leaf area index parameters related to growth of crops, the parameters are transmitted to the controller for data processing and calculation, the infiltration amount, the potentialinfiltration amount, the potential crop transpiration amount, the soil surface potential evaporation amount and potential evaporation amount parameters are obtained, and a mathematical model is further established through calculation to form an irrigation plan.

The invention discloses a method for improving soil organic matter through fungus cultivation. The method includes the steps of selecting species of fungi, preparing a base material, preparing compost, preparing a cultivation species suitable for field production, conducting field production and post-production treatment and the like. The compost is laid in a field and applies high-strength organic fertilizer to the field; after the compost is decomposed through mycelia, macromolecular substances are degraded into small molecular substances capable of being easily absorbed by crops, and therefore soil fertility is improved; fungus chaff left after production is rich in nutrient an is superior organic fertilizer; in the fungus field production process, fungi are irrigated, soil humidity can be kept, and the improvement of soil microbial flora and soil ecology is greatly helped. Compared with the prior art, the method has the advantages that load cultivation type fungus production is developed through an existing cultivated land, economic benefits can be achieved, the soil organic matter content can be improved, soil ecology is improved, soil fertility is increased, and soil restoration and crop fertilization can be achieved by developing the land cultivation type fungus production.

The invention discloses a water-saving irrigation method and system based on a fuzzy logic control theory. The water-saving irrigation method comprises the following steps of 1, acquiring first growthinformation data of crops in a current stage; comparing the first growth information data with a fuzzy control rule table to inquire the water amount required by the crops in the current stage; judging whether or not the required water amount is greater than the minimum value of the soil water content in the current stage; if yes, calculating the water irrigation amount required by the crops andsending an irrigation instruction; waking up terminal nodes in a dormant state to irrigate the crops; judging whether or not the soil humidity in the current area reaches the water irrigation amount in real time; if yes, driving the corresponding terminal nodes to stop irrigation and switching the terminal nodes into the dormant state, or if not, enabling the corresponding terminal nodes to continue irrigation. According to the system, quantitative irrigation is carried out according to the actual demands of the crops, the phenomenon of water resource waste is effectively avoided, and the utilization rate of irrigation water is increased.

The invention relates to a manufacturing method for a flame-retardant organic mulch for landscapes and greenbelts. The method comprises the following steps: separately collecting landscape wastes such as tree branches, tree leaves, stems and leaves of flowers and plants generated in the greening and maintaining process; crushing the tree branches and processing the tree branches into particles about 1.5-7.0 cm in length; crushing the tree leaves and the stems and leaves of flowers and plants into fine particles about smaller than 0.5 cm in diameter; then adding water, a fermentative strain and a fermentation catalysis substance, neatening the materials in piles, fermenting for 30-45 days and then paving the materials in the greenbelts; finally spraying a water-soluble flame-retardant agent to the surface of the organic mulch. According to the method, the cyclic utilization of the landscape wastes can be implemented; the rising dust is reduced; the water retention capacity of the landscapes is improved; the soil humidity is retained; the hardening of the soil is avoided; the growth of weeds is inhibited; the soil fertility is enhanced; the greenbelt landscape effect is improved; the safety of the organic mulch is improved.

The microporous ceramic ball for comprehensive control of plant growth belongs to the field of microporous ceramic. It is irregular spheroid comprising core of complex structure and tightly connected sintered shell, the core is one complex microporous structure of randomly combined compact structure and loose structure, and the sintered shell is microporous structure with fertilizer particle adsorbed inside the pores. The present invention also discloses the composition and preparation process. The present invention has antibiotic function of killing various kinds of bacteria, function of regulating soil humidity of soil, and function of releasing infrared ray and releasing plant nourishing matters and trace elements to promote plant growth, and may be used in the plantation of high grade flower and other plant.

The invention discloses a soil humidity sensor network system. The soil humidity sensor network system comprises soil humidity sensing equipment used for obtaining a surrounding soil humidity value and an air humiture through soil humidity sensors connected with the soil humidity sensing equipment and conducting data processing on the soil humidity value, data collection equipment used for receiving data from sensing nodes and transmitting the data to remote data transmission equipment after packaging the data, the remote data transmission equipment used for transmitting a data packet from the data collection equipment to system management equipment, and the system management equipment used for receiving, storing and analyzing sensor network data and controlling and managing the soil humidity sensing equipment. According to a soil humidity sensor network and a dynamic sampling dispatch method thereof, on the premise that the perception precision of the sensor network is not reduced, the sampling frequency of the sensor network can be reduced greatly, and the sensor network is optimized on the basis of application.

The invention discloses an indoor test apparatus for measuring the vibration propagation characteristic of soil. The apparatus comprises an experiment excitation portion and an experiment enforcement portion, and the experiment excitation portion comprises a lateral support vertical plate, a top fixing beam, a fixed exciter clamp, an exciter, an excitation link device, a force sensor and an excitation gasket, and the excitation gasket contacts soil; and the experiment enforcement portion comprises a soil tank, a soil tank fixing device, a vibration isolation and damping material, an acceleration sensor, a soil humidity measurer and a soil compactness measurer. The test apparatus has the advantages of strong applicability, simple operation, convenient installation and dismounting, and low cost and operation cost, and is suitable for the fields of transportation, construction, high-speed railways, automobiles and the like.

The invention discloses a system and a method for carrying out layered constant-pressure filtration irrigation according to root distribution of plants, and belongs to the field of agricultural water-saving irrigation and automatic control. According to the invention, influence of humidity nonuniformity of surface layer soil and deep layer soil on plant growth is considered, and infiltration irrigation tubes are embedded at proper depths of the surface layer soil and the deep layer soil so as to establish a spatial distribution filtration irrigation system. Soil critical drought humidity values at the surface layer soil and the deep layer soil are used as set values, and soil humidities at the surface layer soil and the deep layer soil are compared with the set values so as to control opening of a water pump and electromagnetic valves. A soil moisture change condition at a specific position is used as an opportunity of closing the electromagnetic valves, and constant-pressure control is carried out by controlling a rotating speed of the water pump, thereby achieving automatic and accurate control on irrigation. According to the system and the method disclosed by the invention, a fertilizer which is necessary for plants is added into water, is directly conveyed to plant roots by the infiltration irrigation tubes, and is directly adsorbed by the plants, so that pollution of the fertilizer to the environment and the underground water is effectively avoided, and the utilization rate and water saving percentage of the fertilizer are greatly improved.

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

The invention relates to a layering covering method for garden greenbelt organic mulches. The method comprises the following steps that garden waste such as branches, leaves and stem leaves of flowers and plants produced in a greening and maintaining process is collected separately; the branches are smashed and processed to form particles with diameters ranging from 1.5 cm to 7.0 cm, and the leaves and the stem leaves of the flowers and the plants are smashed to slight particles with diameters of less than 0.5 cm, water, fermentation strains and fermentation catalyzing matter are added and arranged in bulk to ferment for 30-45 days and then laid on a greenbelt; finally, a hydrosoluble fire retardant is sprayed on the surfaces of the organic mulches. According to the method, the cyclic utilization of garden garbage can be achieved, the raised dust is reduced, the greenbelt water storage is increased, the soil humidity is maintained, the soil is prevented from hardening, the weed is prevented from growing, the soil fertility is enhanced, the greenbelt landscape effect is improved, and the safety of the organic mulches is improved.

The invention discloses a fully-automatic sprinkling irrigation system and a sprinkling irrigation method therefor. The fully-automatic sprinkling irrigation system is arranged in a sprinkling irrigation machine passage in farmland, and the farmland is symmetrically arranged at the two sides of the sprinkling irrigation machine passage. The fully-automatic sprinkling irrigation system comprises a self-walking sprinkling irrigation machine, a locating moving device, a plurality of located water supply hydrants, soil humidity monitoring devices and an electric control device; the locating moving device is arranged in the sprinkling irrigation machine passage along the length direction of the sprinkling irrigation machine passage; the located water supply hydrants are uniformly distributed in the sprinkling irrigation machine passage along the left-and-right direction in a manner of corresponding to water fetching joints of water fetching mechanisms, and rapid joint structures are arranged at top ends of the located water supply hydrants; and the soil humidity monitoring devices comprise a plurality of soil humidity sensors which are uniformly distributed in the farmland in a buried manner. According to the fully-automatic sprinkling irrigation system, a spool-type sprinkling irrigation machine can automatically carry out fixed-point sprinkling irrigation and automatically control sprinkling irrigation speed according to volume of sprinkling irrigation required by the farmland, and then, full-automated sprinkling irrigation capable of avoiding influence caused by human factors is achieved, so that the fully-automatic sprinkling irrigation system is particularly applicable to the sprinkling irrigation operation on large-area regular-planned farmland.

The invention discloses a rice field growth environment monitoring and irrigation control system, and belongs to an automatic control technology of agricultural engineering. The system is formed by connecting a central control unit and a rice field growth image monitoring unit, a rice grid field irrigation control unit, a rice grid field monitoring unit and a park meteorology monitoring unit by adopting Zigbee wireless communication respectively; the central control unit comprises wireless communication and an industrial control computer; the rice field growth image monitoring unit consists of wireless communication and an industrial camera; the rice grid field irrigation control unit comprises wireless communication, a controller, a flow meter, a water level meter, a water outlet valve and a water inlet valve; the rice grid field monitoring unit consists of wireless communication and sensors of water temperature, mud temperature, soil humidity, water surface evaporation, water level, soil heat flux, leaf humidity and the like; and the park meteorology monitoring unit comprises sensors of environmental temperature, humidity, dew point temperature and the like. The system has many monitoring and control projects, high automation degree, accurate and timely monitoring and control and accurate data.

The invention relates to an intelligent planting box. The intelligent planting box comprises a soil layer, a straw layer and a control layer, wherein the straw layer is arranged under the soil layer; the soil layer is provided with at least one sensor and a water seepage tube which is mounted in the bottom of the soil layer; the control layer comprises a control module and an electric water pump; and the control module is connected with the sensor and the electric water pump separately, and the water seepage tube is connected with the electric water pump. The intelligent planting box provided by the invention can control the soil humidity in real time, can automatically realize water transportation when the humidity is insufficient, adopts a flow-splitting and irrigating mode from top to bottom to uniformly irrigate, comprehensively monitors factors that affect the crop growth in real time, is high in intelligent degree, and can be suitable for planting of indoor farms and homes.

The invention discloses a method for determining the process of plant roots absorbing soil moisture content. The method adopts a detachable earth column with plants inside; a soil humidity sounding pipe is arranged in the middle of the earth column, and the earth column is arranged in field earth pit; the vertical distribution of plant roots density can be acquired through stratified earth collection, roots washing and roots screening by regularly detaching the earth column; the actual plant transpiration is acquired through timed weighing, and the earth column is weighed at least one time a day. According to related theory principle and experimental data determined actually and accurately, and by combining susceptibility factors such as transpiration rate, roots density distribution, soil water potential, soil water content, unsaturated soil hydraulic conductivity and according to mass conservation, the roots water adsorption function of transpiration on the soil profile of the root zone distributed according to a certain weight factor is determined, profile distribution of roots water adsorption rate is figured out by adopting roots water adsorption rate reverse method and numerical value iteration to determine the parameter of empirical function, thereby achieving the determination of the process of roots absorbing water.

The invention provides an inorganic permeable water-retaining cement concrete gelatinizing agent and a preparation method thereof. The gelatinizing agent is prepared from: by weight, ferrous sulfate 13-18%, ferric sulfate 3-9%, sodium sulfate 2-8%, magnesium chloride 3-9%, potassium sulfate 2-8%, ammonium sulfate 2-4%, calcium chloride 18-20%, dispersing agent 0.05-0.15%, sodium gluconate 0.05-0.15%, and water 23.7-56.9%. The compression resistance, breaking strength, skid resistance, and abrasive resistance of the permeable water-retaining cement concrete are improved when adding the gelatinizing agent provided by the invention which is 0.5% of the total weight of the mixture. The cement concrete has good water retention, water permeability, and permeability under the premise of making each physical index remain unchanged after adding the gelatinizing agent. The gelatinizing agent can make the rainwater permeate inside of the permeable water-retaining cement concrete rapidly, can protect soil humidity, can improve the soil humidity, and can improve the survival condition of the ground plant and microbe.