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Crop canopy assimilation box

A crop canopy and crop technology, applied in the direction of measuring devices, instruments, etc., can solve the problem of high cost

Inactive Publication Date: 2018-07-17
BEIJING RES CENT FOR INFORMATION TECH & AGRI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the prior art, multiple assimilation boxes are required to measure the assimilation rate of crop populations at multiple locations, and the cost is high. At present, this kind of assimilation box is mainly used for measuring the assimilation rate of crops with short plant heights such as rice and wheat, and it is difficult to use On taller crops such as corn and sorghum

Method used

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Embodiment Construction

[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] In the prior art, although the upper part of the assimilation box is equipped with a ventilation device, and the material of the box body has high light transmittance, the plants in the box are still different from those in the natural environment in terms of light, temperature, moisture, and ventilation. The growth and development status of the crops grown in the box will be affected to a certain extent, and there will be certain differences from the growth of crops in the natural environment, so there will be certain errors in the measured assimilation rate.

[0030] figure 1 It is a schematic structural view of a crop canopy assimilation box according to an embo...

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Abstract

The invention provides a crop canopy assimilation box which comprises a bottom box body, a middle connecting box body and a top cover. The middle connecting box body is composed of a plurality of middle connecting sub box bodies which are vertically assembled together, and any two adjacent middle connecting sub box bodies among the middle connecting sub box bodies are detachably connected. The bottom box body is fixed to a crop population to be measured. The middle connecting box body is detachably connected with the bottom box body. The top cover is detachably connected with the middle connecting box body. When the assimilation box is not used for measurement, the plants in the assimilation box grow naturally. When the assimilation box is used for measurement, with the increase of the growth height of the plants in the assimilation box, one or more middle connecting sub box bodies can be added gradually according to the growth height of the plants in the assimilation box, and the uppermost box body is covered with the cover. Therefore, the photosynthetic rate and transpiration rate of a plant population in different growth stages and at different growth heights can be measured bymeans of assembly.

Description

technical field [0001] The invention relates to the fields of agricultural information and intelligent equipment, and more specifically, to a crop canopy assimilation box. Background technique [0002] High-yield and efficient food production is the most important purpose of agricultural production. The source of biomass is photosynthesis, which converts light energy into chemical energy. Therefore, increasing the conversion rate of light energy is an effective way to increase biomass. Currently, most assimilate partition models used in ecosystem model simulations are empirical. Assimilate distribution has important effects on plant growth, competition and structure formation. Reasonable assimilate distribution is the key to plant growth, and it is also a weak link in plant growth models. Therefore, it is of great importance to develop a plant call rate measurement device that can measure plants in a field environment. [0003] Researchers at home and abroad have carried ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02
CPCG01D21/02
Inventor 郭新宇温维亮张馨郑文刚卢宪菊
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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