Monitoring device for hydraulic lift of plant root

A technology of plant root system and monitoring device, which can be used in measurement devices, analytical materials, instruments, etc., and can solve problems such as research limitations

Inactive Publication Date: 2013-08-07
LANZHOU UNIVERSITY
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  • Monitoring device for hydraulic lift of plant root
  • Monitoring device for hydraulic lift of plant root

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[0009] Below the present invention is explained in detail in conjunction with accompanying drawing.

[0010] As can be seen from the accompanying drawings, the plant root moisture monitoring device of the present invention is composed of a soil moisture isolation tank 2 with a bottom surface, a soil moisture evaporation isolation film 8, and a soil moisture measurement probe 4, and the upper layer of the soil moisture isolation tank measures the water potential. The probe 13, the deep root zone soil water potential measuring probe 14 and the substratum soil water supply pipe 12 constitute. On the bottom surface of the soil moisture isolation tank 2 and the soil moisture evaporation isolation film 8, there are holes 6 for the penetration of plant roots and holes 3 for setting the moisture measurement probe 4, which are used to measure the soil water potential in the upper layer of the soil moisture isolation tank. The hole 7 of the probe 13 and the hole 7 for setting the probe ...

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Abstract

The present invention relates to a combined monitoring device for studies of hydraulic lift of field plant roots. The monitoring device for hydraulic lift of plant roots of the invention consists of a soil moisture isolation tank with a lower bottom, a soil moisture evaporation isolation membrane, a soil moisture determination probe tube, a soil moisture isolation tank upper soil water potential determination probe tube, a deep root zone soil water potential determination probe tube, and a subsoil water supplement tube. The bottom surface of the soil moisture isolation tank is provided with a hole for a root to penetrate through, and both the bottom surface of the soil moisture isolation tank and the soil moisture evaporation isolation membrane are provided with holes for arranging the soil moisture determination probe tube, the soil moisture isolation tank upper soil water potential determination probe tube, and the deep root zone soil water potential determination probe tube, wherein both the soil moisture isolation tank and the soil moisture evaporation isolation membrane are composed of detachable two parts, a right part and a left part. The device of the invention can be used for fundamental researches of plant water physiological ecology to provide practical guidance for vegetation species collocation during planting artificial vegetation in arid and semi-arid areas.

Description

technical field [0001] The invention relates to a combined monitoring device used for research on the water raising ability of plant roots in the field. Background technique [0002] The "moisture lifting" of plant roots refers to the water movement process that plants can lift and release moisture from the deep moist soil to the dry upper soil through the root system after nighttime transpiration decreases. During this process, plant roots act as conduits. This part of the water lifted up by the plant root system can not only be absorbed and utilized by the water-providing plants in the next day, but also benefit the adjacent shallow-rooted plants. In addition, natural plant litter usually accumulates on the ground surface, making the upper soil more fertile than the lower soil. At the same time, due to the strong evapotranspiration of the surface, the upper soil is drier than the lower soil, and finally the whole soil is "fertile at the top and thin at the bottom, dry at...

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Application Information

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IPC IPC(8): G01N33/483
Inventor 牛得草张洪荣傅华
Owner LANZHOU UNIVERSITY
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