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Detection method of calcium content of jujube tree canopy

A detection method and technology of calcium content, which is applied in the field of detection of calcium content in jujube canopy, can solve problems such as pollution, shorten detection time, damage, etc., and achieve the effect of simplifying operation steps, shortening detection time, and easy operation

Inactive Publication Date: 2016-09-28
TARIM UNIV
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Problems solved by technology

[0003] In order to overcome the defects in the prior art, the present invention proposes a non-polluting, easy to operate, fast and accurate detection method for the calcium content of the jujube canopy, which realizes the rapid and accurate detection of the calcium content of the jujube canopy without the need for The preparation of any chemical reagents avoids the environmental pollution and harm to the human body caused by the discharge of chemical tail liquid during the determination process, and also greatly simplifies the operation steps and shortens the detection time, which can meet the short-term requirements of large-scale jujube orchards in agricultural production The need to obtain canopy calcium content data provides a means to quickly obtain the basis for fertilization amount for the precise application of calcium in jujube field management

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  • Detection method of calcium content of jujube tree canopy
  • Detection method of calcium content of jujube tree canopy

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Embodiment Construction

[0024] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] A detection method of jujube canopy calcium content comprises the following steps:

[0026] (1) Collect the jujube canopy leaves to be measured in calcium content, each canopy collects 10 leaves of the upper, middle and lower levels, and each canopy collects 30 jujube leaves, and the collected leaves are placed in numbered paper envelope pocket. In this example, a total of 90 canopy samples were collected from different jujube orchards in Alar City, Xinjiang.

[0027] (2) Rinse the collected jujube canopy samples and the laboratory with tap water to clean the residual dust on the surface of the leaves, then rinse with distilled water for 1 or 2 times, and put them in an envelope with a corresponding number.

[0028] (3) Put the envelope in an oven, bake it at 105 degrees Celsius for 30 minutes, then...

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Abstract

The invention discloses a method for detecting calcium content in a jujube tree canopy, which comprises the following steps: collecting jujube canopy leaves to be measured according to representativeness, putting the leaves in an oven for drying, and grinding through a 100-mesh sieve. The spectral data of the ground samples of jujube leaves were collected by near-infrared spectrometer. Spectral data were smoothed after baseline correction. Extract samples at wave numbers 4146.203, 4150.06, 4153.917, 4200.2, 4204.057, 4207.914, 4254.197, 4258.054, 4261.911, 4327.479, 4331.336, 4335.193cm ‑1 of absorbance. The absorbance of each sample was substituted into the detection model to calculate the calcium content of jujube canopy. The invention has the characteristics of no pollution, simple and convenient operation, fast and accurate, and is suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation engineering and relates to a method for detecting calcium content, in particular to a method for detecting calcium content in jujube canopy. Background technique [0002] Calcium is an essential nutrient element for the growth of jujube trees. Rapid acquisition of calcium information is a prerequisite for monitoring the growth and quality of jujube trees. The detection method of jujube canopy calcium content in the prior art requires the preparation of chemical reagents, and the discharge of chemical tail liquid during the measurement process will pollute the environment and cause harm to the human body, and has the defects of cumbersome operation steps and long detection time. At present, there is an urgent need for a non-polluting, easy-to-operate, rapid and accurate detection method for calcium content in jujube canopy. Contents of the invention [0003] In order to overcome the de...

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Application Information

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IPC IPC(8): G01N21/359G01N1/28G01N1/34
CPCG01N21/359G01N1/28G01N1/34G01N2021/3595
Inventor 彭杰王家强牛建龙蒋青松
Owner TARIM UNIV