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Method for analyzing soil three-phase ratio data by utilizing solid geometry knowledge

A soil and data technology, applied in the direction of soil material testing, material inspection products, etc.

Inactive Publication Date: 2013-07-10
HENAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] To sum up, there is no simple and accurate analysis method for the soil physical index of soil three-comparison, which can be used to guide agricultural scientific research and production.

Method used

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  • Method for analyzing soil three-phase ratio data by utilizing solid geometry knowledge
  • Method for analyzing soil three-phase ratio data by utilizing solid geometry knowledge
  • Method for analyzing soil three-phase ratio data by utilizing solid geometry knowledge

Examples

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Embodiment Construction

[0025] (1) Obtain soil three-phase data

[0026] Accurately measure and calculate the volume of the bulk density ring (ring knife) in the laboratory, then go to the sampling site, shovel the surface of the soil to be measured into a plane, and then vertically press the ring knife into the soil. Use a shovel to excavate the soil around the ring cutter and take out the ring cutter so that the upper and lower soil surfaces of the ring cutter are convex, use a sectioning cutter to cut off the excess soil outside the ring cutter, and flatten the upper and lower sides of the ring cutter so that the volume of the soil sample taken is equal to that of the ring cutter. The volume is equal. Then cover both ends of the ring knife and put it into a large aluminum box, take it back to the laboratory to measure the total weight of the ring knife and fresh soil (weighing accuracy is at least 0.1g), and then put the ring knife with fresh soil The stainless steel tray is placed in an oven at ...

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Abstract

The invention discloses a method analyzing soil three-phase ratio data by utilizing a deviation value. The method comprises the following steps of: measuring a soil sample solid phase value, a soil sample liquid phase value and a soil sample gas phase value, calculating a soil three-phase ratio deviation value by utilizing a formula shown in description, wherein the R is the deviation value of the measuring soil sample three-phase ratio and a three-phase ratio under the soil ideal sate, the X is the soil sample solid phase value, the Y is the soil sample liquid phase value, and the Z is the soil sample gas phase value; and calculating the R values by utilizing different soil samples, carrying out statistic analysis so as to distinguish the influence of the soil three-phase ratio caused by different factors and processing, and determining that the difference of the soil three-phase ratio of different processing is caused by processing instead of error. The method provided by the invention has the characteristics of simplicity and accuracy, is particularly suitable for carrying out scientific statistic analysis and construction on the soil three-phase ratio data, and the soil three-phase ratio index is widely applied in soil scientific research.

Description

technical field [0001] The invention relates to a method for analyzing soil three-phase data using three-dimensional geometry knowledge, belongs to the technical field of agricultural production, and is specially used for evaluating the physical properties of field or potted soil in agricultural, forestry and horticultural production. Background technique [0002] Soil is an essential element in agriculture, forestry and horticulture. In 2008, my country's modern corn industry technology system investigated the farmland soil in the main corn producing areas of the country, and found that the deterioration of the soil quality of the plow layer has become the main obstacle affecting my country's grain production capacity. [0003] Focusing on improving the soil quality of the plow layer, soil researchers at home and abroad have carried out a lot of research work. Zeng Dechao (1995) studied the three-phase comparison of soil earlier, and believed that soil is a granular semi-i...

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Application Information

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IPC IPC(8): G01N33/24
Inventor 冀保毅李潮海赵亚丽王群穆心愿郭海斌薛志伟牛平平
Owner HENAN AGRICULTURAL UNIVERSITY
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