Rhizobox culture device applicable for sampling rhizosphere in forest seedling stage
A rhizosphere soil and cultivation device technology, which is applied to the field of root box cultivation devices for rhizosphere soil sampling in the seedling stage of forest trees, can solve problems such as wide distribution, lack of research methods and means, and root tissue residues, and achieves expansion of space range and simplification. Sampling method, effect of increasing accuracy
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Embodiment 1
[0027] A kind of root box culture device that is applicable to the root box soil sampling of tree seedling stage rhizosphere soil of the present invention comprises a detachable rectangular box container, and this box container is made of figure 1 The seedling growth room 1 on the right side and the rhizosphere soil sampling room 2 on the left side are composed.
[0028] Seedling growth chamber 1 is surrounded by 2 side panels 11, 1 side panel 12 and 1 bottom panel 13, and the panels all adopt 3mm thick opaque black plexiglass, 2 side panels 11 are parallel to each other, side panels 11 The height of the side plate 12 is equal, the lateral width of the side plate 11 and the bottom plate 13 are equal, and the longitudinal width of the side plate 12 and the bottom plate 13 is equal. Several drainage holes 14 are evenly arranged on the bottom plate 13, the diameter of the drainage holes 14 is 10mm, and the hole spacing is preferably 50-80mm. The side panels 11, the side panels ...
Embodiment 2
[0038] A root box culture device suitable for sampling rhizosphere soil at the seedling stage of forest trees, comprising a seedling growth chamber 1 and a rhizosphere soil sampling chamber 2 with drainage holes at the bottom, the two chambers are connected through a connecting part 3 after being flexibly connected, and the connecting part The façade where 3 is located and the drainage holes are covered with isolation nets, and in the rhizosphere soil sampling chamber 2, at least 2 interlayers 5 are arranged on the façade near the connection part 3 . The isolation net adopts a polyamide microporous membrane with a pore diameter of 30 μm and a thickness of 90 μm. The interlayer 5 is made up of an interlayer frame 51 and a separation film 52, the size of the interlayer frame is as the criterion for just embedding the rhizosphere soil sampling chamber 2, the thickness of the interlayer body is set according to the sampling requirements, and the separation film 52 is covered on the...
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