Chlorophyll content detection and control method with temperature and humidity compensation function

Abstract

The invention discloses a chlorophyll content detection and control method with a temperature and humidity compensation function. The method comprises the following steps: presetting a normal threshold parameter of chlorophyll content of leaves; enabling infrared light and red light with certain wavelengths to penetrate through a to-be-detected leaf in sequence; adopting a photoelectric sensor to detect the infrared light input intensity and the infrared light output intensity of the infrared light penetrating through the to-be-detected leaf in sequence; adopting the photoelectric sensor to detect the red light input intensity and the red light output intensity of the red light penetrating through the to-be-detected leaf in sequence; calculating the chlorophyll content of the to-be-detected leaf, displaying the chlorophyll content in real time through a display module, comparing the calculated chlorophyll content with the preset normal threshold parameter of the chlorophyll content of the leaves, and if the chlorophyll content is not within a normal threshold range, giving an alarm and starting a regulation device for regulating the chlorophyll content to be within the normal threshold range.

Description

technical field [0001] The invention relates to a gas concentration detection method, in particular to a chlorophyll content detection and control method with temperature and humidity compensation, belonging to the field of chlorophyll content detection. Background technique [0002] Chlorophyll content is an important indicator to measure plant photosynthesis and growth status. The research on chlorophyll content detection technology is of vital significance in agricultural production and forestry research. The traditional detection method of chlorophyll content is to extract chlorophyll first, and then measure its content by spectrophotometry. This method has many disadvantages, such as time-consuming, destructive to blades, inconvenient for field measurement, and inconvenient for continuous measurement. At present, the portable chlorophyll detector represented by Japan SPAD502 has replaced the traditional detection method in some occasions and has been widely used. Howe...

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Problems solved by technology

However, the main producers of such instruments are Japan, the United States, and Germany, which are not only very expensive, but also have single functions, no Chinese interface, and inconvenient operation, which is not conducive to popularization and use among the vast number of agricultural and forestry workers in our country.

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