Layered optical measuring method of fruit tree vertical structure and device

Abstract

The invention provides a layered optical measuring method of a fruit tree vertical structure and a device. Firstly, the ratio of photon flux densities of the fruit trees to environmental photon flux densities can be calculated by photon sensors arranged at different horizontal layers and aiming to different incident directions of sunlight and arranged at equal intervals in a line on different positions on the same horizontal layers, and therefore the incident light transmission rates on any photon positions can be acquired respectively; and then the incident light transmission rates and leaf angle distribution extinction coefficient are input in a light distribution model, and the leaf area indexes of the fruit trees on any photon positions are output; and finally by using a spatial interpolation method, based on the leaf area indexes, the leaf area distribution results on different horizontal layers are acquired, and therefore the leaf area distribution result of the fruit tree vertical structure can be acquired. The invention is advantageous in that based on the leaf area distribution result of the fruit tree vertical structure, the optimized assessment of the optical distribution and the optical utilization rate of the fruit tree structure is carried out, and therefore the scientific data support can be provided for fruit tree trimming or the fruit tree shape optimization.

Description

technical field [0001] The invention relates to the technical field of fruit tree planting, in particular to a layered optical measurement method and device for the vertical structure of fruit trees. Background technique [0002] At present, in terms of fruit tree planting, great progress has been made in the fields of seedling selection and cultivation management of fruit trees, but there is still a lot of room for improvement in the informatization and intelligence of fruit tree production, so as to improve the fertility of fruit trees. Drug utilization, to achieve quality and efficiency. [0003] In terms of fruit tree structure measurement, traditional methods mainly use manual measurement. Through manual observation, the on-site investigation and recording of the total amount of fruit tree trunks, branches and leaves cannot be obtained. The optimal evaluation of distribution and light utilization efficiency cannot provide scientific data support for fruit tree pruning ...

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems in the current structure measurement of fruit trees, it is only possible to measure the whole canopy of fruit trees, but it is impossible to obtain the precise structural information of the vertical layering of fruit trees, and it is impossible to optimize the evaluation of light distribution and light utilization efficiency based on the structure of fruit trees. To provide scientific data support for fruit tree pruning or fruit tree shape optimization, the embodiment of the present invention provides a layered optical measurement method and device for the vertical structure of fruit trees

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