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Soil infiltration parameter and ground roughness measuring method

A measurement method and parameter technology, which can be used in measurement devices, soil material testing, permeability/surface area analysis, etc.

Inactive Publication Date: 2015-06-03
XIAN UNIV OF TECH
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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for measuring soil infiltration parameters and ground roughness, which solves the inaccurate measurement of soil infiltration parameters and ground roughness in the prior art, complicated measurement methods and flood irrigation in field conditions. The technical problem that the measured soil infiltration parameters and surface roughness have deviations from the guidance of the actual irrigation process

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] A method for measuring soil infiltration parameters and ground roughness of the present invention is specifically implemented according to the following steps:

[0040] Step 1: Get the ground slope J, the specific process is as follows:

[0041] 1.1, first set up the sample points, divide the farmland with a length of 200 meters and a width of 10 meters into 4 blocks, and arrange them in a rectangular shape along the slope direction. Each block is 2.5 meters wide and 200 meters long. Set a furrow with the same width at the middle position;

[0042] 1.2. Turn on the inclinometer, make the reflector and the dial seat form an angle of 45 degrees, and measure the ground slope J.

[0043] Step 2: Surge Border Irrigation

[0044] Firstly, the first irrigation was carried out, and the borders of the four border blocks were irrigated simult...

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Abstract

The invention discloses a soil infiltration parameter and ground roughness measuring method. Under surge flow border irrigation, by measuring ground slope routine data and unit discharge routine data and in accordance with water advancing time and water advancing distance, soil infiltration parameters and ground roughness in different irrigation cycles can be obtained. The measuring method disclosed by the invention, by measuring the soil infiltration parameters and ground roughness under surge flow border irrigation, can be used for better guiding an actual irrigation process; and according to the measuring method, water advancing time and water advancing distance only need to be measured in the irrigation process instead of data and numerical model calculation through other complex measurement; and the water advancing time and the water advancing distance are simple and easy to measure, so that the experimental complexity is reduced.

Description

technical field [0001] The invention belongs to the technical field of irrigation, and in particular relates to a method for measuring soil infiltration parameters and ground roughness. Background technique [0002] Soil infiltration parameters and surface roughness are the basic parameters for the design and management of surface irrigation. Traditional field flood irrigation is mostly used in existing irrigation technologies. Traditional irrigation methods lead to oversaturation of the soil at the water inlet of the farmland, resulting in deep leakage and waste of water. The irrigation time is long and the irrigation is uneven. Therefore, the soil infiltration parameters and surface roughness obtained under field flood irrigation have little practical guiding significance. The surge border irrigation technology can effectively improve the uniformity of irrigation and reduce the leakage of the seepage layer. However, because of different irrigation cycles, the field surface...

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Application Information

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IPC IPC(8): G01N15/08G01N33/24
Inventor 周蓓蓓吕金榜王全九
Owner XIAN UNIV OF TECH
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