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Chlorophyll content measurement method and apparatus thereof

A technology of chlorophyll content and measurement method, which is applied in the field of chlorophyll content measurement method and device, can solve the problems of leaf damage, inconvenient continuous measurement, and long time consumption, and achieve the effect of rapid and timely measurement

Inactive Publication Date: 2016-01-27
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has many disadvantages, such as time-consuming, many links, complex operation, destructive to the blade, inconvenient field measurement, inconvenient continuous measurement, etc., and the experimental conditions are easily affected by many factors.

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  • Chlorophyll content measurement method and apparatus thereof
  • Chlorophyll content measurement method and apparatus thereof
  • Chlorophyll content measurement method and apparatus thereof

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Embodiment Construction

[0044] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0045] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof.

[0046] Those sk...

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Abstract

The invention relates to a chlorophyll content measurement method and an apparatus thereof. The method comprises the following steps: acquiring the chlorophyll content of a preset sample, and calculating a corresponding spectral vegetation index according to the hyperspectral reflectivity data of the preset sample; constructing a model of a predication relationship between the chlorophyll content of a vegetation to be measured and the spectral vegetation index according to the chlorophyll content of the preset sample and the corresponding spectral vegetation index; obtaining the hyperspectral reflectivity data of the leaf and canopy of the vegetation to be measured; calculating the spectral vegetation index of the vegetation to be measured by using a spectral index algorithm according to the hyperspectral reflectivity data; and inversing by adopting the pre-constructed predication relationship model according to the spectral vegetation index of the vegetation to be measured in order to obtain the chlorophyll content of the vegetation to be measured. An optical remote sensing technology is used in the chlorophyll content measurement field, so accurate, simple, fast and timely measurement of the chlorophyll content is realized, and the method and the apparatus are of great significance to monitor the growth vigor of crops and estimate the output.

Description

technical field [0001] The invention relates to the technical fields of remote sensing data processing and agronomy, in particular to a method and device for measuring chlorophyll content. Background technique [0002] Chlorophyll plays an important role in the process of photosynthesis in plants. The SPAD value of chlorophyll content in plant leaves is an important indicator of plant nutritional stress, photosynthetic ability and growth and development status. The value not only reflects the growth status of plants, but also And it can reflect the ability of plants to exchange substances with the outside world. The research on detection technology of chlorophyll content is of vital significance in agricultural production and forestry research. [0003] The current standard method for determining the chlorophyll content of plant leaves is the spectrophotometer method, that is, the plant leaves are taken back to the laboratory, the leaves are weighed and cut into pieces, the...

Claims

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Application Information

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IPC IPC(8): G01N21/25
Inventor 邹金秋陈佑启谢锋王利民吴永常杨国宝
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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