226 results about "Irrigation management" patented technology

A method is described for automatically adjusting the water application rate of an irrigation system which is movable over an agricultural field, comprising the steps of: (a) processing one or more main field layers of geospatial data; (b) generating variable irrigation management zones dependent on the irrigation system in the field; and (c) adjusting water application from the irrigation system dependent on the spatial location of the irrigation system in the field and the underlying processed geospatial field data previously determined. The method may also use the step of utilizing one or more of the field layers to identify at least one optional crop sensor location within the field. The water application rate is adjusted by increasing or decreasing the speed of the irrigation system or by turning the irrigation system on or by turning the irrigation system off.

Embodiments of the present invention provide methods and apparatus for water conservation with landscape irrigation controllers, plug-in and add-on devices, and centralized systems. In embodiments of the invention, a water budget percentage is determined by comparing current local geo-environmental data with stored local geo-environmental data, and the preliminary irrigation schedule or station run times are automatically modified based upon that water budget percentage. Embodiments of the present invention also provide for automation of mandated landscape watering restrictions alone, or in various combinations with water budgeting methods and apparatus.

A system and method for providing irrigation management services is disclosed. The system may include a plurality of controllers, where each controller controls application of water by an irrigation system associated with the controller. A central computer that is remote from each of the controllers may be configured to implement an irrigation management plan that is individualized to each location and based, at least in part, upon one or more characteristics of the location as determined by an on-site visit. The irrigation manager may guarantee that the system will provide a return on investment within a predefined period of time. The system may also detect faults in the irrigation systems using water usage data from the controllers and diagnose the faults. A technician may be notified and dispatched to repair the faults.

A network-type multifunctional autoamtic irrigation method features that the irrigation is quantitatively and timely performed according to the moisture of soil and its management system software module is designed, which contains initial parameters, autoamtic operation, random operation, operation state, history data, and failure alarm and treatment. The system is composed of PC, central controller, communication repeater, and sampling controller. It can be used in the-range of 1-5 km.

The present invention provides a system and method which includes a machine learning module which analyzes data collected from one or more sources such as UAVs, satellites, span mounted crop sensors, direct soil sensors and climate sensors. According to a further preferred embodiment, the machine learning module preferably creates sets of field objects from within a given field and uses the received data to create a predictive model for each defined field object based on detected characteristics from each field object within the field.

An irrigation management system reduces high peak water use values by utilizing a microprocessor disposed in an irrigation controller to (a) receive peak water use information from a source other than a water supplier (b) receive water use information at a consumer site, and (c) automatically derive a new irrigation schedule that is at least partly based on the information received. The new irrigation schedule preferably includes at least one of a modification in a default irrigation frequency or start time, a reduction in a default irrigation application duration, the use of a rolling-average in the determination of the new irrigation application duration and other changes or modifications to the default irrigation schedule that will provide for the reduction in high peak water use values. Additionally, the microprocessor will display to the water user and/or third parties details on the new irrigation schedule and information received from the water supplier.

The efficiency of an irrigation system on a property is determined as a difference between the actual water usage at a property and the irrigation water need of the plant on the property. Data for the property are received including at least the location and irrigation area of the property. A reference evapotranspiration value for the property is determined using the solar radiation data derived from the location of the property. The irrigation water need of the property is then calculated from the reference evapotranspiration value and area. The irrigation water need is compared to the actual water use at the property to determined the efficiency of the irrigation system operating thereon.

The invention discloses a WebGIS irrigation area management method of shared data, which comprises the following steps of: obtaining the geographic information data of the corresponding irrigation areas by a plurality of data sources according to the requirement of a user; constructing a GML spatial database based on the obtained geographic information data according to a preset GML spatial data sharing model; customizing an access interface for a WebGIS server according to the GML spatial data sharing model and receiving data in the GML spatial database by the interface; analyzing and processing the received data and generating the geographic information contents of the corresponding irrigation areas according to the setting of the user; and transmitting the geographic information contents of the irrigation areas to a client browser by the access interface and displaying according to the operation of a client. The invention also discloses a system for realizing the method. By the invention, the spatial data of the irrigation areas can realize cross-platform sharing by a unified interface, and a technical basis is provided for the large-scale popularization of WebGIS in the field of the irrigation management of the irrigation areas.

The invention provides a method for cultivating Chinese wolfberry in a saline and alkaline land through drip irrigation with saline water, which comprises ridging, planting and irrigation management, and is characterized by comprising: A, a step of manual ridging; B, a step of planting, in which the row spacing is 3 meters and the plant spacing is 1 meter; C, a step of drip irrigation zone setting, in which a single drip irrigation zone is arranged in a single ridge; D, filming covering and irrigation, in which spring irrigation is performed after film covering with local underground saline water in a mount which is four times of that used for daily irrigation continuously for three days till the water accumulates to a fixed amount of 16 millimeters; E, a step of pruning the Chinese wolfberry in a growth season; and F, winter irrigation, in which winder irrigation is performed once after the growth season of the Chinese wolfberry with 16 millimeters of water. According to characteristics of a saline and alkaline land in the groundwater area, the method maintains the water potential in the soil of the root area of the Chinese wolfberry at a constant higher value through ridging, filming covering and saline water drip irrigation and other measures to ensure Chinese wolfberry absorbs water normally and grows, thereby providing a good growing environment for the Chinese wolfberry and increasing the output and quality of medlar. Meanwhile, irrigation with local underground saline water reduces the water level of underground water and reduces the risk of further raising the water level of ground water due to irrigation with extraneous water.

The invention provides an irrigation area monitoring method and device and belongs to the field of irrigation water management. The irrigation area monitoring method comprises step 1) respectively selecting remote-sensing images before and after irrigation according to irrigation time, and conducting data preprocessing to the selected remote-sensing images; step 2) laying ground marking points and collecting information which indicates whether the marking points are irrigated or not; step 3) respectively computing MPDIs (Modified Perpendicular Drought Indexes) before and after irrigation by using the preprocessed remote-sensing images before and after irrigation; step 4) computing MPDI difference before and after irrigation in an irrigation region, and determining an MPDI difference threshold in combination with the information which indicates whether the marking points are irrigated or not; step 5) extracting the area with the MPDI difference which is larger than the MPDI difference threshold as the actual irrigation area of the irrigation region. The technical scheme provided by the invention can effectively monitor the actual irrigation area of the irrigation region.

The invention discloses a combined prevention and control method for cadmium exceeding of rice in medium-light cadmium-polluted soil. The method comprises the following steps of: uniformly spreading a soil passivant onto the surface of medium-light cadmium-polluted soil before ploughing and fertilizing the medium-light cadmium-polluted soil; uniformly stirring; balancing for over three days, and applying a basic fertilizer; transplanting low-cadmium-absorption paddy rice onto soil to which the basic fertilizer is applied; and adopting a flooding irrigation management measure at the infertility period of the low-cadmium-absorption paddy rice to complete combined prevention and control of cadmium exceeding of rice. The method disclosed by the invention has the advantages of low cost, environment friendliness, saving in resources, easiness in operating, and the like, the biological effectiveness of cadmium in acid heavy metal-polluted soil can be effectively lowered, and cadmium accumulation of rice is reduced.

The invention relates to a soil infiltration capability measuring system; the soil infiltration capability real time automatically measuring system in the invention comprises a rainfall or water device, a underlying surface soil device, a data acquisition device, a data intelligent processing system and a display device; wherein the data acquisition device is used to acquire a runoff pushing coverage area image or a soil humidification area image and records the concrete time; the data intelligent processing system is used to process data to acquire the image acquired by the device and output the soil infiltration rate value, curve or image into the display device. The invention has the advantages of easy operation, convenient transportation and transference, low cost, big labor saving and big material saving; furthermore, the invention can swiftly and accurately acquire the measuring result with real time, is suitable for indoor measurement as well as countryside measurement and other occasions, is not limited to the terrain and has wide popularization and application value in the research fields such as hydrological process, crop water utilization, irrigation management and soil corrosion.

The invention relates to an irrigation management system based on irrigation water requirements of corn at different stages. The system comprises a data management module, a data prediction module, acorn variety information base module, a sensor module, an agricultural climatic resource calculation module, an irrigation water requirement calculation module, a year harvest prediction module, a real-time monitoring module, an irrigation strategy generation and execution module. The data management module is connected with the data prediction module, the data prediction module, the corn varietyinformation base module and the sensor module are connected with the agricultural climatic resource calculation module separately, and the agricultural climatic resource calculation module is connected with the irrigation water requirement calculation module; the irrigation water requirement calculation module is connected with the year harvest prediction module, the real-time monitoring module and the irrigation strategy generation and execution module, and the year harvest prediction module and the real-time monitoring module are connected with the irrigation strategy generation and execution module. According to the irrigation management system based on the irrigation water requirements of the corn at the different stages, the agricultural water-using efficiency can be improved, the system helps to reasonably arrange the agricultural production activity, the basic income of farmers is increased, and the system has the important effect on ecological environment protection.

The invention discloses an irrigation water management system based on farmland water monitoring, and a management method implemented by the system. The system comprises a soil water and soil temperature information module, a farmland irrigation and soil water content information module, an irrigation area water consumption and irrigation result measuring and reporting module, and an irrigation area irrigation benefit result reporting module. The system and the method provided by the invention have the advantages that through comprehensive and modular technical methods and solutions, the maximum application of limited information is achieved; an information source, data transmission, a server and a database are utilized to provide basic conditions for storage, extraction, utilization and processing of monitoring information demand responses by the management system; and through comprehensive technical analysis methods, such as water balance, logical association, mathematical statistics, the method of measuring soil water contents at the beginning and the end of a period, the head-tail ratio calculation method, cross-industry data application, the water equivalent calculation method and the like, analysis of a water consumption quota, an irrigation system, the soil water content, the amount of water required by crops, an irrigation water utilization coefficient, the amount of water introduced into an irrigation area, crop yields, irrigation benefits and other management technology evaluation indicators can be achieved.

The invention provides an intelligent irrigation management system, comprising an application management platform, a cloud data center, a wireless transmission platform and an intelligent sensing platform; the application management platform comprises an intelligent terminal and irrigation management software; the intelligent sensing platform comprises a data acquisition controller, a LoRa transmission module, a soil moisture sensor, a soil temperature sensor, a water level sensor, a meteorological environment sensor, a water pump and an electromagnetic valve; the cloud data center comprises acloud server; the cloud data center receives the information, collected by the intelligent sensing platform, by means of the wireless transmission platform, generates crop water demand forecast and irrigation forecast according to the collected information and a preset irrigation water demand model, and transmits the generated crop water demand forecast and irrigation forecast to the irrigation management software; the irrigation management software generates a corresponding irrigation strategy. The intelligent irrigation management system provided by the invention can avoid the problems in the prior art, and can set different irrigation strategies according to the different requirements of the crops for watering, thus realizing personalized watering.

The invention relates to a determination method of a water distribution scheme in an irrigation area. The method is characterized in that by determining the information of the irrigation area and crops, a crop irrigation mode is determined, the irrigation information in the irrigation mode is acquired, and a decision objective of a stage water distribution scheme in the irrigation area is determined; by constructing a linear planning model, an optimal solution of crop planting area in the irrigation mode is obtained; by exchanging the optimal solution with the decision maker, an adjustment scheme is acquired for figuring out a decision index matrix, and the adjustment scheme is sorted by calculations such as linear scale transformation, linear weighting, and the like; and finally, the stage water distribution scheme and a shift water distribution scheme in the irrigation area are determined. The determination method adopts advanced irrigating theories and technologies, perfects the decision process of irrigation water management, and improves the efficiency of the irrigation water management.

The invention provides a method for cultivating trees in heavy degree saline and alkaline land through dripping irrigation, which comprises ridging, planting and irrigation management. The method comprises: A, a step of manual ridging, in which the ridge height is 60 centimeters, the width of ridge top is 60 centimeters, and the ridge spacing is 300 centimeters, and the plant spacing is 200 centimeters; B, a step of planting, in which holes with a diameter of between 30 and 50 centimeters and a depth of between 30 and 50 centimeters are dug in the planting process, non-saline and alkaline soil dressing is filled in the holes after saplings are planted and fixed in the holes, and films are covered on the land; C, a step of drip irrigation zone setting, in which the center of each ridge is provided with a single-ridge single-strip drip irrigation zone and the drop spacing is 10 to 50 centimeters; and D, a step of drip irrigation, in which the land is irrigated initially on the same day of planting, the amount of water used for irrigation is four times of that of water used for daily irrigation, after that the land is irrigated one every other 1 to 2 days, with 4 to 5 millimeters of water each time. The method adopts ground irrigation and tree root soil replacement, and forms desalting areas at the root parts of the trees and ensures the normal growth of the trees. The method solves the problem that the soil structure of the saline and alkaline soil with a high sodium ion content is damaged after leaching, keeps the good soil structure of soil dressing during salt leaching and provides a good growing environment for the trees.

The present invention discloses a system and method for irrigation management using VRI ray casting algorithms within irrigation machine workflows. According to an exemplary preferred embodiment, the present invention may preferably include: a position sensor which determines a position of the irrigation system; a memory system storing a prescribed watering plan for a field; and a variable rate mapping program using VRI ray casting algorithms.

The invention provides a drip irrigation under plastic film method for rice cropping. The drip irrigation under plastic film method for the rice cropping comprises steps of seeds preparation, soil preparation, seeding, seedling management, irrigation management, fertilizer management, pest control and the like; the seedling density is 33.3 to 36 thousand holes per mu and 33.3 thousand holes per mu are optically selected; or the seedling density is 30.5 to 32.6 thousand holes per mu and 30.5 thousand holes per mu are optically selected. Previously used conventional film with the length of 105 cm to 145 cm and for Sinkiang cotton culture is low in soil utilization rate which results in being relative low in seedling density, difficult in adjusting the rice line spacing to increase the seedling density, low in ground covering rate and large in exposed ground area, and accordingly weeds are relatively more. The planting yield is relatively high through the wide film under the condition that other planting conditions are identical.