Potted plant soil and root system stratified sampling device and use method and application thereof
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A sampling device and soil technology, applied in the field of soil science, can solve the problems of large errors and unfavorable continuous observation, etc., and achieve the effect of easy operation, simple structure and small interference
Inactive Publication Date: 2015-03-25
BEIJING FORESTRY UNIV FOREST SCI CO LTD
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[0003] In order to overcome the shortcomings of the existing soil and root system sampling methods that have large errors and are not conducive to continuous observation, the present invention aims to provide a potted plant soil and root system layered sampling device and its use method and application
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Embodiment 1
[0021] Embodiment 1 potted plant soil and root system layered sampling device of the present invention
[0022] The potted plant soil and root system layered sampling device of the present invention is provided with a container with sampling ports 1 at different heights with an upward opening and on the wall (see the schematic diagram for the structure) figure 1 ) and the soil drilling drill matched with the sampling port 1 (see the structure schematic diagram figure 2 ) composition, the soil drill is required to be inserted into the sampling port just vertically.
[0023] The container can be in the shape of a cylinder, a cuboid or a polygonal prism, and a cuboid is selected in this embodiment.
[0024] The cross-section of the sampling port can be a regular shape such as a circle, a square, a trapezoid, a triangle, etc., and a circle is selected in this embodiment.
[0025] The sampling port can be switched.
[0026] The earth-boring drill of this implementation is marke...
Embodiment 2
[0028] Embodiment 2 uses potted plant soil of the present invention and the method for root system layered sampling device
[0029] See Example 1 for the device used.
[0030] Plant the leguminous plant Amorpha fruticosa in the container of the potted plant soil and root system layered sampling device of embodiment 1, take samples respectively from four sampling ports in the ninth week after emergence, that is, the sampling heights are respectively 10cm, 20cm, 30cm and 40cm; sampling depth is 15cm. Open the cover of each sampling port in turn, use the soil auger to sample the soil and root system samples from the sampling port, and close the cover of the sampling port immediately after the sampling is completed.
[0031] The potted plant soil and root system layered sampling device of the present invention is used for sampling, and the soil and root system samples can be accurately collected from different depths and different positions from the plants without destroying the ...
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Abstract
The invention relates to the field of pedology and particularly provides a potted plant soil and root system stratified sampling device. The potted plant soil and root system stratified sampling device is composed of a container and a soil auger, wherein the opening of the container faces upward, the container is provided with sampling openings at different heights, the soil auger is matched with the sampling openings, and the soil auger need be just inserted into the sampling openings and perpendicular to the sampling openings. The invention further provides a use method of the device. The method comprises the following steps that firstly, according to the size of a plant to be detected and soil sampling requirements, the potted plant soil and root system stratified sampling device of an appropriate specification is selected; secondly, the plant to be observed is planted in the container of the potted plant soil and root system stratified sampling device, and the soil auger is used for sampling soil and obtaining root system samples through the sampling openings according to requirements. The potted plant soil and root system stratified sampling device can be used for accurately sampling the soil and obtaining the root system samples from different positions away from the plant at different depths while a potted experiment plant sample is not damaged. The potted plant soil and root system stratified sampling device is simple in structure and convenient to operate, sampling is accurate, and interference on the growing environment of the plant is small after sampling.
Description
technical field [0001] The invention relates to the field of soil science, in particular to a potted plant soil and root layered sampling device and its use method and application. Background technique [0002] Soil and root system are hot areas of research in agriculture, forestry, biology and other industries. Soil and root sampling is of great significance for the study of soil physical and chemical properties, the interaction mechanism between soil and root system, and the interaction mechanism between microorganisms, root system and soil. At present, the soil and root system is sampled vertically downward from the ground with an earth auger. During sampling, the sample in the auger is easy to drop and affects the quality of the sample, and the sampling depth and distance are not accurate enough, so the experimental error is relatively large. However, the sampling of the soil and root system of potted plants often requires destroying the entire planting sample, which is ...
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Application Information
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