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System for layered measuring soil moisture

A measurement system and soil moisture technology, applied in the direction of material resistance, etc., can solve the problems of difficult soil layered water storage, undisturbed soil interference, complex composition, etc., to achieve reliable measurement, good consistency of the original state, and simple composition Effect

Inactive Publication Date: 2008-09-03
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Claims
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AI Technical Summary

Problems solved by technology

Existing soil moisture measurement methods include soil drying method, alcohol method, calcium carbide method, resistance block method, gamma ray method, negative pressure meter method, microwave method, neutron method, etc. These methods and measuring devices are not easy to affect the soil. Determination of layered water storage, great interference to the original soil, complex composition, high cost, etc.

Method used

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  • System for layered measuring soil moisture
  • System for layered measuring soil moisture

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Embodiment Construction

[0008] The present invention is a soil moisture layered measurement system, such as figure 2 As shown, the system consists of two parts: a soil stratification device and a moisture measurement device, such as figure 1 As shown, the soil layering is installed in the housing 1, and the housing 1 of the soil layering device is installed with a partition 7 and a bottom plate 9 parallel to each other. The partition 7 divides the soil layering device into a soil cavity 4 , 5, 6 and water collection chamber 8, a plurality of partition water holes 7a are respectively opened on the partition 7, gravel layer 6, primary soil layer 5 and soil layer 4 are respectively placed upward from the partition 7, along the shell A pair of electrodes 2 are symmetrically installed in two to four layers in the crushed stone layer 6 , the primary soil layer 5 and the soil layer 4 in the depth direction of the electrode 1 .

[0009] Such as figure 2 As shown, the humidity measuring device comprises a...

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Abstract

The invention provides a soil humidity lamination measurement system, putting soil in the housing 1 in delamination, a baffle 7 and a bottom board 9 are installed in parallel in the housing 1 of the soil humidity lamination measurement system, a number of baffle water holes 7a are opened on the baffle 7, a fragmental stone layer, a primary soil layer and a soil layer are respectively placed upwards above the baffle 7, a pair of electrodes 2 are symmetrically installed in every layer of the fragmental stone layer, the primary soil layer and the soil layer, which are divided into 2-4 layers, along the depth direction of the housing 1, the humidity measurement device includes a D. C. voltage stabilizing power source 15, a milliammeter 13, a microampere 13, and a resistor serializer 12, the first conducting wire 16 and the second conducting wire 16' are respectively connected with outer ends of the pair of electrodes 2, which protrudes from the housing 1 symmetrically, the first conducting wire 16 is connected with the output terminal of the D. C. voltage stabilizing power source, the second conducting wire 16' is connected with the switch of the resistor serializer, the D. C. voltage stabilizing power source 15 is connected with the milliammeter 13 or themicroampere 14 by a switch, the milliammeter 13 and the microampere 14 are connected with the resistor serializer (12).

Description

technical field [0001] The invention relates to a soil moisture measurement system, in particular to a soil moisture layered measurement system. Background technique [0002] The measurement of soil moisture storage and its change over time is an important basic work in soil improvement, soil state monitoring, water-saving irrigation in modern agriculture, and water-saving grass planting in soil industrialization. It is convenient, quick, and accurate to measure the moisture content and its changes in soil or modified soil, and can provide direct test basis for soil improvement, water-saving irrigation, and restoration of vegetation. Existing soil moisture measurement methods include soil drying method, alcohol method, calcium carbide method, resistance block method, gamma ray method, negative pressure meter method, microwave method, neutron method, etc. These methods and measuring devices are not easy to affect the soil. Determination of layered water storage, great interf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/12
Inventor 冀宏樊新建龙小平魏列江
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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