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Root box test device used for rhizosphere microzone study

A test device and root box technology, which is used in sampling devices, soil material testing, material inspection products, etc., can solve the problems of non-uniform distribution of crop roots, inability to accurately study the role of root systems, crop type restrictions, etc. control factors, avoid perturbation and imprecision problems, reduce the effect of sampling perturbation

Inactive Publication Date: 2012-07-04
ZHEJIANG UNIV
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Problems solved by technology

However, the root system of the crops in this type of root box is not evenly distributed, and some non-rhizosphere soil is inevitably contained in the interlayer soil, so it is impossible to accurately study the role of the root system, and it is also limited by the type of crops.

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  • Root box test device used for rhizosphere microzone study
  • Root box test device used for rhizosphere microzone study
  • Root box test device used for rhizosphere microzone study

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Embodiment Construction

[0022] Specific embodiments of the present invention will be described in detail with reference to the above-mentioned drawings. Such as Figure 1~3 As shown, a root box test device includes a root box 1, a rhizosphere compartment, a partition 7, an inclined plate 8, a sampling plate 12 and a seepage tube 11. The inclined plate 8 and the partition 7 are arranged on the top of the root box, the permeation pipe 11 is laid on the bottom of the root box, and the side walls on both sides of the top of the root box 1 are provided with gaskets 10, which are 30-45° from the horizontal for Place the inclined plate 8, the inclined plate 8 is a detachable plastic plate, the inclined plate 8 is placed on the gasket, between the box wall and the partition 7 of the root box, the end close to the box wall is high, and the end close to the partition is low, so that The root system grows along the slope under the influence of gravity, and the length of the inclined plate 8 is consistent with ...

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Abstract

The invention discloses a root box test device used for rhizosphere microzone study. The test device comprises a root box, rhizosphere interlayers, a baffle, an inclined plate, a sampling plate and a leaky pipe, wherein the inclined plate and the baffle are arranged on the upper part of the root box; the leaky pipe is laid at the bottom of the root box; the inclined plate is arranged between the wall of the root box and the baffle and horizontally inclines at an angle of 30 degrees; a planting hole for planting crops is arranged on the inclined plate; a root-out seam is arranged on the baffle; the rhizosphere interlayers are formed by plastic plates, nylon meshes and inclined plates; the sampling plate and the rhizosphere interlayers have the same size; and the middle of the sampling plate is hollowed. The device not only can be used for studying the rhizosphere microzones of different millimeter grades around the root system and avoiding the effect of non-rhizosphere soil, but also can be used for studying the regional differentiation characteristics of different parts of the root system.

Description

technical field [0001] The invention relates to a root box test device, in particular to a root box test device for rhizosphere micro-domain research. Background technique [0002] The rhizosphere is an important area for the exchange of nutrients and energy between the crop root system and the soil. It is the most active place for soil microorganisms. It is a specific area that is affected by the growth of the crop root system and at the same time affects the absorption and transport of crop nutrients. Therefore, the rhizosphere micro-domain has always been one of the focuses of multidisciplinary research in soil science, plant nutrition, and agronomy at home and abroad. [0003] There have been many studies on the sampling methods of rhizosphere soil. The traditional method is mainly based on artificial jitter separation method, but it cannot avoid the influence of uneven sampling volume on test accuracy. Some people also use the frozen section method. However, the thick...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/04G01N33/24
Inventor 冯英王先挺林咸永索炎炎谢爽张奇春
Owner ZHEJIANG UNIV
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