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Crop production water footprint measuring and calculating method based on soil moisture dynamic balance

A soil moisture and dynamic balance technology, which can be used in calculations, complex mathematical operations, instruments, etc., and can solve the problem of low accuracy of production water footprint measurement.

Active Publication Date: 2019-11-22
NORTHWEST A & F UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low accuracy of regional crop production water footprint measurement and calculation in the prior art, to provide a crop production water footprint measurement method based on soil moisture dynamic balance, and to introduce the influence mechanism of different water supply and irrigation methods

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  • Crop production water footprint measuring and calculating method based on soil moisture dynamic balance
  • Crop production water footprint measuring and calculating method based on soil moisture dynamic balance
  • Crop production water footprint measuring and calculating method based on soil moisture dynamic balance

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Embodiment Construction

[0065] The technical solution of the present invention will be clearly and completely further described below in conjunction with the embodiments and accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them.

[0066] Based on the embodiments of the present invention, those skilled in the art can make some simple modifications and embellishments without creative work, and all other obtained embodiments belong to the protection scope of the present invention.

[0067] see figure 1 , the present invention is based on the crop production water footprint measuring method of soil moisture dynamic balance, comprises the following steps:

[0068] Step 1: Delineate the measurement object (crop, area, time period) according to the user's settings, retrieve or field measure and calculate the attribute data of the object from the system database, including the soil type and soil moisture content S in the measurement ...

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Abstract

The invention discloses a crop production water footprint measuring and calculating method based on soil moisture dynamic balance. The method comprises the following steps: acquiring a soil type and asoil moisture content S of a measuring and calculating region; obtaining crop planting condition data in the measurement and calculation time period; acquiring production characteristic attributes ofcrops to be measured and calculated; calculating the soil evaporation capacity and the crop transpiration capacity in the crop growth period; measuring and calculating field surface runoff; measuringand calculating the deep infiltration capacity of the soil; representing the soil moisture dynamic state, and distinguishing blue and green soil moisture balance; calculating blue water resource consumption and green water resource consumption of crops in corresponding water supply and irrigation modes; calculating crop production blue water footprints and crop production green water footprints under corresponding water supply and irrigation modes of the crops; calculating a blue water footprint of crop production water delivery loss, wherein the blue water footprint of the crop production water delivery loss is equal to the product of the regional irrigation water delivery and distribution quantity and the regional water delivery and distribution loss coefficient, and the regional irrigation water delivery and distribution quantity is the total irrigation water consumption. According to the method, the measurement and calculation precision of the regional crop production water footprints is effectively improved.

Description

technical field [0001] The invention relates to the field of measuring and calculating the use and consumption of water resources in the crop production process, in particular to a method for measuring and calculating the water footprint of crop production based on the dynamic balance of soil moisture, which takes into account factors affecting irrigation methods and water loss. Background technique [0002] The water footprint of crop production is a comprehensive quantitative evaluation index to express the water consumption, water consumption efficiency and water consumption type in the crop production process. By distinguishing between blue water (irrigation water) and green water (rainwater), the water footprint of crop production can achieve an organic and unified evaluation of the efficiency of different types of water resources in agricultural production. Accurate and comprehensive evaluation of the blue and green water footprints of crop production at different temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/02G06F17/18
CPCG06Q10/0637G06Q50/02G06F17/18
Inventor 吴普特卓拉王伟栗萌
Owner NORTHWEST A & F UNIV
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