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A comparative detection method of soil properties

A detection method and soil technology, applied in the direction of material analysis by observing the influence of chemical indicators, and analysis by chemical reaction of materials, etc. Easy to distinguish effects

Active Publication Date: 2020-11-06
YANGTZE UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such a traditional method requires a lot of instruments to carry out different experiments, and also needs a lot of samples for measurement, which greatly consumes manpower and material resources

Method used

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  • A comparative detection method of soil properties
  • A comparative detection method of soil properties
  • A comparative detection method of soil properties

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Experimental program
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Embodiment 1

[0059] 1. Two soil samples were taken for comparative analysis in the experiment: one soil was taken from the orange orchard on the west campus of Yangtze University. Before sampling, the surface layer of about 5 cm of soil was removed, and then a shovel of soil was randomly dug with a small shovel and placed in a plastic ziplock bag Among them, the number is JY;

[0060] The other soil sample was taken from a wasteland outside the orange orchard. The top 5cm soil layer was also removed, and then a shovelful of soil was randomly dug with a small shovel and placed in a plastic ziplock bag, numbered PT;

[0061] 2. Take the soil sample back to the laboratory, crush the soil sample in a ziplock bag, spread it on a piece of clean A4 paper, and put it in a ventilated place to dry for 2 days without direct sunlight;

[0062] 3. Pass the dried soil samples through 0.5mm aperture sieves, and accurately weigh 5.00g of soil samples into a clean small beaker, add 50ml of 1% NaOH solution...

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Abstract

Provided is a comparative test method for soil properties. The method comprises the following steps of S1, weighing each soil sample to be detected, and separately leaching with a NaOH solution for 6hours; S2, preparing a plurality of color-developing plates and absorption columns, and each absorption column is matched with one color-developing plate, wherein an AgNO3 solution is absorbed with the absorption columns, so that the AgNO3 solution is absorbed by the absorption columns, is gradually transmitted to the color-developing plates connected with the absorption columns, and is dried forprepare use; S3, using the absorption columns to absorb soil leaching liquors and transmit the soil leaching liquors to the color-developing plates connected to expose the color-developing plates; S4,conducting soil property area dividing on the color-developing plates after exposure processing in step S3, and finally comparing and analyzing the corresponding color-developing plates obtained by each soil sample. The method has the advantages that a plurality of soil samples can be simultaneously compared and tested; the whole test process has less material, does not require more precise measuring instruments and equipment, and has wide application range; the method can measure a plurality of soil property indicators through one test, and require less test samples, and the number of testsis small.

Description

technical field [0001] The invention relates to the field of soil property detection, in particular to a comparative detection method of soil properties. Background technique [0002] my country is a large agricultural country, and agriculture plays an important role in our national economy. However, due to my country's large population base and small arable land area, my country's grain output barely reaches the level of "enough food". Soil properties, including soil porosity, soil fertility, humus content, and soil microbial activity, are directly related to crop yield and quality. In various scientific research work, people often use a series of experiments to measure soil microbial activity, soil porosity, soil fertility and humus content, etc., so as to evaluate soil. Such a traditional method requires a lot of instruments to carry out different experiments, and also needs a lot of samples for measurement, which greatly consumes manpower and material resources. Cont...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/78
CPCG01N21/78
Inventor 吴强盛何家栋邹英宁刘春艳张菲谢苗苗
Owner YANGTZE UNIVERSITY
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