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Underground irrigation suitable test community determining method

A technology for testing plots and determining methods, which can solve problems such as representativeness, poor comparability, and large differences in specifications of test results by removing certain component weighing, measuring devices, and instruments, and reduce human, financial and material investment. Effect

Active Publication Date: 2018-09-18
FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for determining suitable test plots for ground irrigation, which can improve the problems of large differences in test plot specifications under existing ground irrigation conditions, and poor representativeness and comparability of test results, which is conducive to the standardization of irrigation tests. Extension and the development of agricultural data informatization

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  • Underground irrigation suitable test community determining method
  • Underground irrigation suitable test community determining method

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Embodiment

[0040] The present invention aims at improving the problems of large differences in test plot specifications and poor representativeness and comparability of test results under existing ground irrigation conditions, and proposes a method for determining suitable test plots for ground irrigation, which is conducive to the standardization and popularization of irrigation tests And the rapid development of agricultural data informatization.

[0041] The method for determining the suitable test plot for ground irrigation provided by the embodiments of the present invention comprises the following steps:

[0042] Preparatory steps: according to the actual situation of the test area, first select a test plot with a larger area, optionally, the area of ​​the selected test area is greater than or equal to 300m 2 , Ridges were formed around the test area and treated with water, and the height of the ridges was based on the fact that the water did not flow after irrigation.

[0043] Op...

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Abstract

The invention discloses an underground irrigation suitable test community determining method, and relates to the technical field of agricultural water-soil engineering. The method comprises the stepsof preparation, specifically, a test area is selected, the test area is ridged up and irrigated with water; measuring, specifically, the test area is divided into a plurality of basic units, and the soil moisture rate is measured by sampling respectively; sorting, specifically, the adjacent basic units are combined according to the spatial position of the test area, and the corresponding soil moisture rate and the soil moisture rate variable coefficient are calculated; and result obtaining, specifically, a first equation is fitted on the treatment area and the corresponding soil moisture ratevariable coefficient, a second equation is fitted on the basic units and the corresponding soil moisture rate variable coefficient point of a combined maximum treatment area, a tangent line of the second equation tangent to the first equation is obtained, and the suitable treatment area is obtained. The test precision requirement can be met by using the method to determine the test community area,meanwhile, unnecessary labor and financial investment can be reduced, and the method has the crucial meaning on the standardized popularization and data containment of future irrigation tests.

Description

technical field [0001] The invention belongs to the technical field of agricultural water and soil engineering, and in particular relates to a method for determining a suitable experimental plot for ground irrigation. Background technique [0002] In the field of agricultural water and soil, in order to solve the problems in the actual production of field crops, it is a common practice in scientific research to adopt plot experiments, that is, firstly, it is necessary to divide the experimental plots, and the area, shape and repetition times of the experimental plots determine whether the test results are representative. basis of sex. [0003] Under surface irrigation conditions, the spatial variability of soil moisture is severe, coupled with the influence of crops, soil texture, and micro-climate heterogeneity, which has implications for plot layout, soil and crop moisture monitoring, and water consumption measurement at different spatial scales in irrigation experiments. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04
CPCG01N5/045
Inventor 宋妮王景雷孙景生申孝军陈智芳王鹏翔
Owner FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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