227results about How to "Precision fertilization" patented technology

The invention discloses an intelligent variable rate fertilizer for rice and a variable rate fertilization method thereof. In the technical scheme of the variable rate fertilizer, a hyperspectral remote sensing system and an image acquisition system are arranged on the front end of a traction engine body; a variable rate fertilization unit is arranged on the upper part of a support rack; a fertilizer spreading mechanism is connected with the variable rate fertilization unit and is arranged on the lower part of the support rack; a speed measuring sensor is arranged on a ground wheel; the variable rate fertilization unit and the fertilizer spreading mechanism are both connected with a hydraulic drive system; a GPS antenna and a GPS mobile station which can communicate with the hyperspectral remote sensing system and the image acquisition system are arranged in the traction engine body; and a control system is used for processing data and controlling the actuation of the variable rate fertilization unit and the fertilizer spreading mechanism. The variable rate fertilization method realizes real-time detection of the contents of N, P and K in rice through information fusion of the hyperspectral remote sensing system and the image acquisition system, and can achieve the rice fertilization according to needs based on nutritional profits and losses. The invention has the advantages of accurate fertilization and good controllability, and is suitable for fertilization in the rice growing period.

The invention discloses a facility agriculture intelligent water and fertilizer integrated control system and a control method. The control system comprises a four-layer framework of a planting layermodule, a control layer module, a local management layer module and a remote management layer module; and the control layer module, the local management layer module, the remote management layer module and the planting layer module are electrically connected with each other. The control system comprises the following steps: determining a precise fertilizer mixing control algorithm; determining thedynamic correlation between the atmospheric indexes of the soil plants, and establishing an optimal water and fertilizer regulation and control mode mathematical model; and researching and designingthe facility agricultural water and fertilizer integrated system. According to the control system and the control method in the invention, the utilization coefficient of irrigation water and the effective utilization rate of the fertilizer can be improved, wasting of resources, ecological degradation and environmental pollution are reduced, the sustainable development of agriculture is guaranteed,and high-yield, high-quality, efficient, ecological and safe modern agriculture development is realized.

The invention relates to an integrated water and fertilizer applicator and a control method thereof. The integrated water and fertilizer applicator comprises a plurality of fertilizer-liquor tanks, a fertilizer mixer, an impounding reservoir and a central control device. An EC/PH detecting and monitoring device connected with an integrated controller is arranged in the fertilizer mixer. The impounding reservoir is connected to the fertilizer-liquor tanks and the fertilizer mixer through a water source booster pump. The fertilizer-liquor tanks are connected to the fertilizer mixer through a fertilizer mother liquor pump. The fertilizer mixer is connected to a main irrigation pipeline through a fertilizer pump. The water source booster pump, the fertilizer mother liquor pump and the fertilizer pump are correspondingly connected to the central control device through driving circuits. Fertilizer application parameters are preset through the central control device, the fertilizer mother liquor in the fertilizer-liquor tanks is injected into the fertilizer mixer through the fertilizer mother liquor pump, and the water in the impounding reservoir is injected into the fertilizer mixer through the water source booster pump. Whether the PH value and EC value in the fertilizer mixer are matched with preset values or not is detected, further the injection of the fertilizer liquor and the water is adjusted according to feedback to make the PH value and EC value of the fertilizer liquor in the fertilizer mixer matched with the preset values, and the mixture is output to a main irrigation pipeline through the fertilizer pump.

The invention relates to an orchard precision fertilization device and an orchard precision fertilization method based on a machine vision technology. The orchard precision fertilization device comprises an image acquisition module, an image processing module, a data analysis module and a fertilization module, wherein the image processing module and the data analysis module are arranged in an industrial control computer; and the fertilization module is composed of an orchard ditching machine, a single chip microcomputer, a stepping motor, a stepping motor driver, a speed measuring circuit, an inverter, a voltage converter, a storage battery and a fertilizer applicator. The fertilization method comprises the following steps: acquiring image information of over-ground parts of fruit trees and processing the acquired image information of the over-ground parts of the fruit trees to obtain various parameters of the over-ground parts of the fruit trees; obtaining a distribution range of absorption roots in fruit tree root systems according to the relation between all the parameters of the over-ground parts of the fruit trees and root system distribution, and the relation between the root system distribution and fertilization; dividing a root system distribution region of the single fruit tree into a plurality of different small regions and determining a needed fertilization amount in each small region; and carrying out precision fertilization on different small regions in the root system distribution region of the single fruit tree.

The invention relates to a method used for preparing a drip-irrigation special-purpose fertilizer from biogas slurry. The method comprises following steps: (1) biogas slurry obtained via more than one month of normal and stable gas generation is pumped into a buffer tank for natural sedimentation so as to obtain a supernate; (2) the supernate is filtered so as to obtain a filtered biogas slurry, the filtered biogas slurry is sterilized and is pumped into a nutrient element adding tank and a microorganism adjusting tank respectively; (3) potassium humate, urea powder, monopotassium phosphate, monoammonium phosphate, organic silicone, and trace elements are added into the nutrient element adding tank successively, and are stirred until dissolving is realized so as to obtain a biogas slurry containing nutrient element solutions; (4) a microbial agent is added into the microorganism adjusting tank, and an obtained mixture is uniformly stirred so as to obtain a biogas slurry containing microorganism; and (5) the biogas slurry containing nutrient element solutions and the biogas slurry containing microorganism are delivered into a composite microorganism fertilizer stock solution tank for stirring so as to obtain a fertilizer stock solution, and the fertilizer stock solution is filtered so as to obtain a clear solution which is the drip-irrigation special-purpose fertilizer. Operation steps of the method are simple; production cost is low; and the method is convenient.

The invention relates to the technical field of agricultural machinery and especially relates to an intelligent integrated water and fertilizer machine. The intelligent integrated water and fertilizer machine comprises a main pipeline, a fertilizer conveying branch, a cleaning pipeline, a master control panel and a control panel, wherein a fertilizer path solenoid valve and a fertilizer path flow meter are arranged on a fertilizer conveying pipeline and are used for controlling the supply of the fertilizer and monitoring the fertilizer volume; the pressure of the main pipeline is controllable; the fluid flow fluctuation is less; the fertilizer supply precision is high and the fertilizer application is more intelligent; when the solenoid valve for the cleaning pipeline is opened, the clean water is conveyed into the fertilizer conveying branch through the cleaning pipeline, the flow meter of the fertilizer path and the pump are cleaned and the corrosion caused by long-term use is avoided; under the action of a mode switch, the machine provided by the invention can respectively work under the flow control mode, the time control mode, the humidity control mode and the manual control mode, the operation is flexible, the control is accurate and the scope of the suitable working condition is wide.

The invention discloses a water and fertilizer integration four-control irrigation fertilizing method. The method is composed of time control of fertigation, control of fertilizing amount, control of nutrient proportion and control of soil humidity. The method aims at moisture requirement and root depth of different crops for realizing accurate control of the soil humidity and irrigation depth, can limit the irrigation water and a fertilizer in a root zone scope, can avoid loss of volatilization and seepage due to excess fertilization, and realizes high efficiency utilization of water and fertilizer. The method can realize accurate fertilization and saves labor. The fertilizing control is carried out according to the crop nutrient requirement rules, and the method can control the time and space of the fertigation in scientific and reasonable mode, can guarantee good growth of crops, realizes high yield and stable production, can control the environment pollution due to fertilizer loss and volatilization due to excess fertilization, and mitigates the soil hardening and continuous cropping obstacles.

The invention relates to the technical field of plant cultivation, in particular to the sustainable water and fertilizer conservation production technique for banana cultivation. The sustainable water and fertilizer conservation production technique comprises the specific steps of using the function that water retaining agents can absorb hundreds of times of water repeatedly to dilute fertilizers into liquid nutrient solution which is absorbed by the water retaining agents into solid nutrient solution; and punching four water and nutrient storage holes (pits) around a banana stock plant, filling up the storage holes (pits) with the solid nutrient solution, repeatedly absorbing and storing fertilizers and water through the water retaining agents in the storage holes (pits), and slowly releasing the fertilizers and water to be absorbed by the banana stock plant. The sustainable water and fertilizer conservation production technique solves the problem that banana root is prone to rot when a lot of water is irrigated, fixes water and fertilizers to be slowly released, enables the banana stock plant to absorb for a long time in a balance and complete mode and prevents fertilizers and water from flowing and wasting. The sustainable water and fertilizer conservation production technique removes foundation facilities and is small in invest, simple in process, easy to operate, obvious in effect and capable of being widely applied to and popularized in banana farmers.

The invention relates to an efficient culture method of dragon fruits, which comprises the concrete steps of punching several moisture and nutrition storage holes around a dragon fruit plant; diluting fertilizer into a liquid-form nutrition solution; absorbing the nutrition solution by a water-retaining agent to enable the nutrition solution to be formed into solid nutrition solution fertilizer; filling the solid nutrition solution fertilizer into the storage holes; slowly releasing water and fertilizer in the solid nutrition solution fertilizer in the storage holes for being absorbed by a grape plant. After the solid nutrition solution fertilizer in the storage holes is completely released, the water-retaining agent has a function of repeatedly absorbing multiple times of water, then water and fertilizer are filled into the storage holes, the water-retaining agent in the storage holes is used for absorbing and curing water and fertilizer nutrition again, and releasing the water and fertilizer nutrition when the plant is dry for being absorbed by the grape plant. The problem that root rotting of the dragon fruits due to heavily watering is solved; water and fertilizer are fixed and then slowly released, so that the dragon fruits can be completely and uniformly absorbed for a long time, and water and fertilizer are prevented from running off and being wasted. The efficient culture method has the characteristics that the investment is little, the process is simple, the operation is easy, the effect is obvious, and the like.

The invention discloses an agricultural internet-of-things system based on big data. According to different levels of information generation, transmission, processing and application, the system comprises a sensing layer, a transmitting layer, a processing layer and an application layer and is used for doing a data obtaining task. Environment parameters, crop growth and development states and device running state data information are collected through various sensor devices deployed in a large field. The running state data information further includes the temperature, humidity, carbon dioxideconcentration, illumination intensity, heating temperature, wind speed, wind direction, rainfall, frost and windstorm. According to the agricultural internet-of-things system based on big data, a traditional extensive production mode is broken, agricultural production is developed into intensification, precision, intelligence and datamation, and the functions of precise fertilizer applying, precise drug applying, automatic yield testing, unmanned driving and the like are realized step by step.

A water and fertilizer integrated planting method for potatoes in Yunnan in winter comprises the steps that a loam or sandy loam soil land parcel is selected, deeply ploughed by 30 cm or above, then furrowed and ridged, compound fertilizer special for potatoes is adopted and serves as bottom fertilizer applied to ridges, seeding is carried out on the ridges in a double-row planting mode, drip irrigation zones are laid on the ridges, the ridges are then mulched with plastic films, the films are covered with soil when potato seedlings grow to 2-3 cm away from the ridge surfaces, urea is applied in a drip irrigation mode for promoting growth of the seedlings when the potato seedlings grow to be 10 cm high, first time topdressing is carried out within one week after tubers are formed, topdressing is carried out along with moisture drip irrigation in the whole growing period, and eight times of topdressing is carried out in total.The method is capable of saving water, fertilizer and labor and efficient.

The invention an intelligent irrigation and fertilization system based on cloud computation. The intelligent irrigation and fertilization system comprises an irrigation and fertilization module, a data acquisition module, a control module and a cloud service system, wherein the irrigation and fertilization module is used for providing water and fertilizer which are required for crop growth; the data acquisition module is used for monitoring and tracing plant growth environment data of a zone where the data acquisition module is located in real time, carrying out abnormal data cleaning on the plant growth environment data and sending usable plant growth environment data to the control module; the control module is used for receiving the plant growth environment data of a field which is monitored and traced by the data acquisition module in real time, sending the plant growth environment data to the cloud service system and simultaneously receiving a command from the cloud service systemto switch on or off a water pump and an electromagnetic valve.

The invention discloses a novel soilless blueberry cultivation method. The novel soilless blueberry cultivation method mainly includes the steps of container selection, medium selection and supporting drip irrigation facility construction, wherein in container selection, since blueberries belong to shallow-rooted plants and root systems of the blueberries are vertically distributed at 10-50 cm, root control devices with the diameter of 80 cm and the height of 40 cm are selected, and planting spacing is 1*2 m; in medium selection, coconut chaff with an EC value smaller than 0.8 mS/cm serves as a culture medium and is covered with rice chaff 10 cm in thickness, and blueberry seedlings are planted after the coconut chaff is soaked; in supporting drip irrigation facility construction, drip irrigation pipes 16-20 mm in diameter are adopted above the root control devices. The novel soilless blueberry cultivation method is capable of accelerating blueberry root growth remarkably, increasing the blueberry yield, controlling weeds and saving labor cost.

The invention relates to a multi-functional quinoa sower. The multi-functional quinoa sower comprises a machine frame; a pull rack is arranged at the front end of the machine frame, and is used for connecting with a tractor; a film covering mechanism is arranged at the rear end of the machine frame; a ditching mechanism, a soil covering mechanism and a packer wheel are sequentially arranged, alongfront-to-back direction, at the bottom of the machine frame; a sowing mechanism, a fertilizing mechanism and a watering mechanism are sequentially mounted, along front-to-back direction, at the top of the machine frame; an outlet end of a seed discharge tube of the sowing mechanism extends to a rear side of the ditching mechanism; a material discharge end of a material discharge tube of the fertilizing mechanism extends to a rear side of the outlet end; the soil covering mechanism is located behind the material discharge end of the material discharge tube; and the watering mechanism is located above a rear side of the packer wheel. The multi-functional quinoa sower has the beneficial effect of being simple in structure, and is capable of synchronously completing a plurality of operations,including ditching, sowing, fertilizing, soil covering, watering, film covering and the like; and thus, the quinoa sower is various in functions and high in applicability.

The invention discloses a use method of a sprinkling irrigation all-in-one machine capable of synchronously and accurately applying fertilizer or spraying pesticide. The use method concretely comprises the following steps: a, preparing for sprinkling irrigation and synchronously and accurately applying the fertilizer or spraying the pesticide; b, sending out a sprinkler wagon; c, mixing liquid pesticide; d, carrying out sprinkling irrigation and synchronously and accurately applying the fertilizer or spraying the pesticide; e, controlling the operation of synchronously and accurately applying the fertilizer or spraying the pesticide; f, controlling after a polyethylene (PE) pipe is recovered. After the use method of the sprinkling irrigation all-in-one machine capable of synchronously and accurately applying fertilizer or spraying pesticide is used, the operation of synchronously and accurately applying the fertilizer or spraying the pesticide while performing sprinkling irrigation according to a command can be conveniently realized, so that high efficiency fertilization or high efficiency pesticide spraying is realized while high efficiency sprinkling irrigation is implemented; when the PE pipe is recovered, fertilization or pesticide spraying is carried out on a farmland subjected to the sprinkling irrigation, so that the fertilizer or the pesticide is enabled to be better absorbed by the farmland, and the environmental pollution caused by overmuch fertilizer or pesticide existing in the earth surface of the farmland can be prevented; the sprinkling irrigation all-in-one machine is especially suitable for performing accurate fertilization or pesticide spraying on large-area crops.

The embodiment of the invention provides a combined planting system control method and device. The method comprises the following steps: receiving real-time measured values of a plurality of parameters which are respectively acquired and transmitted by a plurality of real-time acquisition units; receiving control information transmitted by control equipment, wherein the control information carries regions to be controlled and an irrigation strategy corresponding to the regions to be controlled, and the irrigation strategy comprises a plurality of time periods and set values of a plurality of irrigation condition parameters corresponding to the various time periods; and carrying out control treatment on the irrigation rig of the planting system according to the real-time measured values, the regions to be controlled and the irrigation strategy, and carrying out feedback control treatment on the irrigation rig of the planting system according to the real-time measured value. The device is used for performing the method. The method and device provided by the invention can quickly implement the change adjustment and accurate control on the EC value and pH value of the irrigation liquid, and enhance the automatic control flexibility of the planting system.

The invention provides a method and system for preparing a fertilizer. According to the method and system, the usage amount, using effect and the like of the fertilizer can be visibly determined by accurately measuring soil data of a certain field, simulating the growing process of plants according to planted plants by virtue of a computer model and performing virtual fertilizing, so that the optimized preparation combination can be achieved, the computer model is constantly corrected through multiple field tests to perfectly combine the soil and the fertilizer, and a new fertilizer preparation period can be greatly shortened while fertilization is accurately performed.

The invention relates to a facility and method for combining horticultural crop cultivation with earthworm breeding. Firstly, soil preparation is conducted in a three-layer stepped structure, ridges and rectangular pieces of a land in a field are covered with black mulching films, dried cow dung feed is stacked on the rectangular pieces of the land in the field to form a long-strip earthworm breeding bed, and the upper portion of the bed is covered with a straw curtain or a black sunshade net; a two-way drip irrigation way of an adjustable water dropper is adopted, drip irrigation and humidification are conducted on horticultural crops and the earthworm breeding bed respectively, the functions of horticultural crop cultivation and irrigation, earthworm breeding and organic fertilizer production are achieved, meanwhile an exudate nutrient solution produced by wormcast due to irrigation and rain is an organic liquid fertilizer needed by horticultural crop growth, thus the organic fertilizer is additionally applied, four actions including irrigation, cultivation, fertilizer production and fertilizer application are combined, the work efficiency is improved, the concept of ecological cycle is achieved, resource utilization of feces is achieved, the ecological environment is effectively protected, and the requirement of ecological green development is met.

The invention relates to the technical field of fertilizers and specifically relates to a dedicated humic-acid-containing water-soluble fertilizer for drop irrigation rice. The water-soluble fertilizer is prepared from the following raw materials in parts by weight: 15 to 25 parts of urea, 10 to 20 parts of urea phosphate, 8 to 12 parts of triple superphosphate, 10 to 20 parts of monopotassium phosphate, 8 to 12 parts of potassium sulfate, 20 to 30 parts of humic acid, 3 to 9 parts of compound microelement fertilizer, 2 to 8 parts of complex vitamin, 2 to 8 parts of compound amino acid, 20 to40 parts of fermentation liquor and 20 to 30 parts of water leachate. The dedicated humic acid water-soluble fertilizer for the drop irrigation rice disclosed by the invention is prepared according tosoil fertility base and rice fertilizer requirement law, contains varieties of major elements and micronutrient element necessary to the rice, fully meets requirements of rice growth and development,high quality and high yield, meanwhile can effectively improve a soil structure and greatly improves a fertilizer utilization rate. Application test results show that compared with traditional commercially-available water-soluble fertilizers, the dedicated water-soluble fertilizer disclosed by the invention can increase a yield by 10.9% or more when being applied to the rice.

The invention discloses a water-soluble vegetable fertilizer which comprises the following components: 50-80 parts of urea, 30-40 parts of ammonium nitrate, 20-30 parts of humic acid, 20-30 parts of potassium chloride, 15-20 parts of water-soluble monoammonium phosphate, 10-15 parts of citric acid, 10-20 parts of kieselguhr, 5-10 parts of amino polypeptide, 5-10 parts of composite bacteria, 5-8 parts of sodium tetraborate, 2-5 parts of potassium sulfate, 2-5 parts of organic phosphate, 2-5 parts of a plant growth adjusting agent and 1-3 parts of trace elements. Due to reasonable proportioningof nitrogen, phosphorus and potassium and trace elements, precise fertilization to vegetables can be achieved, and the fertilizer utilization rate can be increased; and due to adoption of the composite bacteria, the humic acid and the plant growth regulator, microbial florae of soil can be improved, polluted soil can be effectively repaired, and edible security of the vegetables can be ensured.

The invention relates to the technical field of water chestnut planting, in particular to a fertilizer applying device for water chestnut planting. The fertilizer applying device comprises a moving seat, wherein a through hole is formed in the moving seat, electric extendable rods are symmetrically arranged on the positions, located at two sides of the through hole, of the top surface of the moving seat, a supporting plate is fixedly arranged at the tops of the electric extendable rods, mounting plates are symmetrically and fixedly arranged on the bottom surface of the supporting plate, fertilizer applying mechanisms are arranged on the mounting plates, and each fertilizer applying mechanism comprises a tank body rotationally connected between the two mounting plates and a plurality of fertilizer applying units arranged on the tank body. The fertilizer applying mechanisms are arranged, compared with an existing fertilizer applying device, fertilizers are applied through a spraying or soil burying mode, and the device can accurately apply the fertilizers to a single water chestnut plant in a targeted mode, so that fertilizer waste is avoided, the fertilizer absorption effect of water chestnuts is greatly improved, fertilizer applying can be completed only by pushing the moving seat, and time and labor are saved.