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Irrigation decision-making method and irrigation decision-making device based on weather forecast

A decision-making method and meteorological technology, applied in the field of irrigation, can solve problems such as complex irrigation forecasting methods

Active Publication Date: 2020-02-07
京蓝物联技术(北京)有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of this application is to provide an irrigation decision-making method and device based on weather forecast to solve the complex problem of irrigation forecast

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  • Irrigation decision-making method and irrigation decision-making device based on weather forecast

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Embodiment Construction

[0045] In order to enable those skilled in the art to better understand the solutions of the application, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work should fall within the protection scope of this application.

[0046] It should be noted that the terms "first" and "second" in the description and claims of the application and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances for the purposes of t...

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Abstract

The invention discloses an irrigation decision-making method and an irrigation decision-making device based on weather forecast. The method includes determining a field water holding point and an irrigation compensation point according to a soil moisture content accumulation curve, wherein the soil moisture content accumulation curve is a curve showing time-dependent changes of the soil volumetricwater content corresponding to a specific soil depth; determining a predicted value of reference crop evapotranspiration ET0 according to weather forecast data; predicting a predicted value of actualcrop evapotranspiration ETc in the future according to the predicted value of the ET0 and a crop coefficient Kc; and predicting the number of irrigation days according to the predicted value of the ETc in the future, the field water holding point and the irrigation compensation point. By the method and the device, the problem of complexity of related irrigation forecasting ways is solved.

Description

Technical field [0001] This application relates to the field of irrigation technology, and in particular to an irrigation decision-making method and device based on weather forecasts. Background technique [0002] In the field of irrigation technology, in order to enable crops or plants to grow and increase yields on the basis of water saving, it is necessary to rationally irrigate the soil. In practical applications, the main reference data for rationalized irrigation are the compensation point for irrigation, the amount of water used for irrigation, and the irrigation cycle. Normally, the reference data for rational irrigation is determined by historical soil moisture change data, but the future environment and the historical environment may be very different. If you only rely on historical data for irrigation guidance, it will not be timely when the future environment changes suddenly. The preparation of irrigation will affect the efficiency of irrigation. Therefore, irrigat...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G25/16A01G25/02G01N33/24G01W1/10
CPCA01G25/02A01G25/16A01G25/167G01N33/246G01W1/10
Inventor 门旗王春香
Owner 京蓝物联技术(北京)有限公司
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