CN102550324A - Experimental device for researching partial root zone - Google Patents
Experimental device for researching partial root zone Download PDFInfo
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- CN102550324A CN102550324A CN2012100325358A CN201210032535A CN102550324A CN 102550324 A CN102550324 A CN 102550324A CN 2012100325358 A CN2012100325358 A CN 2012100325358A CN 201210032535 A CN201210032535 A CN 201210032535A CN 102550324 A CN102550324 A CN 102550324A
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Abstract
The invention discloses an experimental device for researching a partial root zone. The experimental device comprises a cylinder body with an upper opening and a lower opening; a separating plate is mounted in a chamber of the cylinder body and adapted to the chamber, and the separating plate is parallel to the end face of the cylinder body; the separating plate is composed of a draining plate and a piece of geotextile that is mounted on a convex end of the draining plate, wherein through holes are arranged on the separating plate. The experimental device provided by the invention has the following advantages: (1) vertical roots and transverse roots can be effectively separated; (2) special draining plate is utilized to separate the upper chamber from the lower chamber so as to achieve the purpose of resisting roots instead of water; (3) the device has good applicability because the device not only can be placed into a sink, but also can be placed on the ground; and research can be carried out by selecting the experiment site corresponding to the research purpose; (4) with the adjustability the device can be applied to both the partial root zone of smaller plants and partial root zone of arbor and the like; and (5) the device can perform quantification, and the longitudinal water capacity can reach 15-40cm<3>.
Description
Technical field
The present invention relates to a kind of experimental provision that is used for the research of root system subregion, belong to the processing engineering technology field.
Background technology
In the arid and semi-arid area; The existence of the non-uniform moisture diffusion that causes because of soil texture inequality, precipitation distribution inequality and soil moisture lamination in time etc. makes part of plant or whole root system in the whole growth growth course, often be in paroxysmal of short duration or long-term water deficit situation, and the root system of plant can not always be in evenly moistening or even dry status.
At present existing a lot of scholars are through the influence to growth and development of plants of root division technical research moisture and nutrient; A series of achievements have been obtained in association areas such as agronomy, horticulture, landscape architecture, ecology; Yet the root division technology of vertical direction is less relatively; Existing a small amount of research is also mostly to be the home-made contrivance that together forms with container combination such as bucket or basins, and the repeatability of experiment is not high.In addition; In practice; The operation of the root division of vertical direction often faces that the root system separating effect is bad, topsoil moisture is easy to down blend problems such as the variation of deep soil moisture is slow; Need a kind of standardization experimental provision of invention badly and come better control soil moisture content, keep the certain gradient difference of levels soil water potential.
Summary of the invention
The purpose of this invention is to provide a kind of experimental provision that is used for the research of root system subregion, this experimental provision can be used for distinguishing vertical root system of plant and horizontal root system, can be used for studying the response of root system of plant to moisture, nutrient, metallic pollution etc.
A kind of experimental provision that is used for root system subregion research provided by the present invention comprises the cylindrical shell of upper and lower opening; Be provided with the division board that is mated in the cavity of said cylindrical shell, the end face of said division board and said cylindrical shell parallels; Said division board is made up of drain bar and the geotextiles on the convex surface end of being located at said drain bar; Said division board is provided with through hole.
In the above-mentioned experimental provision, said cylindrical shell can be cylinder.
In the above-mentioned experimental provision, the internal diameter of said cylinder becomes greatly from end face a to other end gradually, treats the growthform of cultivated plant with better adaptation.
In the above-mentioned experimental provision, said division board can be located at the height place of the 20cm～80cm of said cylindrical shell.
In the above-mentioned experimental provision, said through hole can be manhole, and the big I of its internal diameter is regulated in the scope of 2cm～20cm, with the size of the root system that adapts to different cultivated plants.
In the above-mentioned experimental provision, said through hole can be located at the center of said division board.
In the above-mentioned experimental provision, said device also can comprise basin, and an end of said cylindrical shell can be located in the said basin.
In the above-mentioned experimental provision, the height of said basin is 20cm～40cm, and its material can be lucite or PVC.
In the above-mentioned experimental provision, the material of said cylindrical shell can be lucite or PVC.
Experimental provision provided by the invention has the following advantages: effectively separating of vertical root system and horizontal root system can be realized in (1); (2) adopt special drain bar chamber up and down at interval, reach root resistance but the purpose that do not block water; (3) applicability, this device both can place tank, also can place on the ground, can select corresponding experiment place to conduct a research to the research purpose; (4) controllability, this device both be applicable to the root system subregion of small-sized plant, also can be used for the root system subregion of arbor etc.; (5) can be quantitative, vertically water-flowing amount can reach 15～40cm
3
Description of drawings
Fig. 1 is the structural representation of experimental provision provided by the invention.
Fig. 2 is the exploded view of the division board of experimental provision provided by the invention.
Each mark is following among the figure: 1 cylinder, 2 division boards, 3 drain bars, 4 geotextiles, 5 manholes, 6 basins.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified, but invention is not limited to following examples.
The experimental provision that is used for the research of root system subregion provided by the invention comprises the cylinder 1 of upper and lower opening, and the internal diameter of this cylinder 1 is consistent, and it is processed by lucite; Be provided with the division board 2 that is mated in the cavity of this cylinder 1, this division board 2 is parallel with the end face of cylinder 1, and 1/4 height (40cm height) that is positioned at this cylinder 1 locates, and cylinder 1 is divided into two Room up and down; This division board 2 is made up of drain bar 3 and the geotextiles 4 on the convex surface end of being located at this drain bar 3, thereby reaches root resistance but the purpose that do not block water; The center of this division board 2 is provided with a manhole 5, and its internal diameter is according to plant root growth situation scalable; This device comprises a basin 6, and it is 30cm highly, and it is processed by lucite, and cylinder 1 can place in this basin 6.
In the above-mentioned experimental provision, cylinder 1 all also can be processed by PVC with basin 6; Foundry goods increases but the internal diameter of cylinder 1 is from an end face to other end; The internal diameter of manhole 5 can be adjusted in the scope of 2～20cm according to actual needs; The position of division board 2 can be according to actual needs adjusted at the height place of 20～80cm of cylindrical shell 1; The height of basin 6 can be adjusted in the scope of 20～40cm according to actual conditions.
When using above-mentioned experimental provision, generally in rain-proof shelter, put basin 6 at first selected experiment place by the experimental design position, and the experiment of packing into is with soil, and is real with depositing in water; Cylinder 1 is placed the basin 6 that installs experiment usefulness soil; Experiment in cylinder 1, pack into soil; Can imbed all kinds of probes at arbitrary height according to the experiment needs and be used to monitor indexs such as soil temperature, humidity, soil water potential; When treating that soil thickness reaches the height of experiment needs, division board 2 is put into; The plantling root system lateral root that size is consistent is relatively wiped out, and the part main root is imbedded in the soil under the division board 2, and main root remainder height should be lower slightly with the residual altitude of cylinder 1; Continuation is packed into to test in cylinder 1 and is reached the plant stem base portion with soil.
Claims (9)
1. one kind is used for the experimental provision that the root system subregion is studied, and it is characterized in that: said experimental provision comprises the cylindrical shell of upper and lower opening; Be provided with the division board that is mated in the cavity of said cylindrical shell, the end face of said division board and said cylindrical shell parallels; Said division board is made up of drain bar and the geotextiles on the convex surface end of being located at said drain bar; Said division board is provided with through hole.
2. experimental provision according to claim 1 is characterized in that: said cylindrical shell is a cylinder.
3. experimental provision according to claim 2 is characterized in that: the internal diameter of said cylinder becomes big gradually from end face a to other end.
4. according to arbitrary described experimental provision among the claim 1-3, it is characterized in that: said division board is located at the height place of the 20cm～80cm of said cylindrical shell.
5. according to arbitrary described experimental provision among the claim 1-4, it is characterized in that: said through hole is a manhole, and its internal diameter is 2cm～20cm.
6. according to arbitrary described experimental provision among the claim 1-5, it is characterized in that: said through hole is located at the center of said division board.
7. according to arbitrary described experimental provision among the claim 1-6, it is characterized in that: said device also comprises basin, and an end of said cylindrical shell can be located in the said basin.
8. experimental provision according to claim 7 is characterized in that: the height of said basin is 20cm～40cm, and its material is lucite or PVC.
9. according to arbitrary described experimental provision among the claim 1-8, it is characterized in that: the material of said cylindrical shell is lucite or PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210032535 CN102550324B (en) | 2012-02-14 | 2012-02-14 | Experimental device for researching partial root zone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210032535 CN102550324B (en) | 2012-02-14 | 2012-02-14 | Experimental device for researching partial root zone |
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| CN102550324A true CN102550324A (en) | 2012-07-11 |
| CN102550324B CN102550324B (en) | 2013-10-09 |
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| CN 201210032535 Expired - Fee Related CN102550324B (en) | 2012-02-14 | 2012-02-14 | Experimental device for researching partial root zone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972231A (en) * | 2012-12-24 | 2013-03-20 | 山东省花生研究所 | Peanut culturing device and system as well as authenticating method for drought resistant peanut varieties |
| CN103749205A (en) * | 2014-01-15 | 2014-04-30 | 华南理工大学 | Comprehensive plant root bag culture apparatus capable of separating and collecting rhizosphere soil |
| CN105766121A (en) * | 2016-03-30 | 2016-07-20 | 山东省花生研究所 | Root splitting method for preventing water from moving in alternate irrigation of peanut root system zones |
| CN107006199A (en) * | 2017-06-12 | 2017-08-04 | 福建农林大学 | It is a kind of to support the device and method controlled for foliage dressing |
| CN108738863A (en) * | 2018-07-30 | 2018-11-06 | 安徽农业大学 | For analyzing the drawer type potting bucket for heating and being influenced on wheat root distribution |
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| CN2245626Y (en) * | 1995-08-08 | 1997-01-22 | 宋祥顺 | Drainage core plate for soil |
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| CN101167420A (en) * | 2006-10-27 | 2008-04-30 | 中国科学院沈阳应用生态研究所 | Plant root system hydraulic lift action measuring device |
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| EP2210478A1 (en) * | 2009-01-26 | 2010-07-28 | Kekkilä OY | Cultivation method for plants and system and substrate box for cultivating plants |
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| CN102124933A (en) * | 2010-12-02 | 2011-07-20 | 北京市农林科学院 | Method for researching partial root drying irrigation technology of woody fruit trees |
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2012
- 2012-02-14 CN CN 201210032535 patent/CN102550324B/en not_active Expired - Fee Related
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| CN2245626Y (en) * | 1995-08-08 | 1997-01-22 | 宋祥顺 | Drainage core plate for soil |
| CN2483948Y (en) * | 2001-07-10 | 2002-04-03 | 华南农业大学 | Vertical cultivation for plant root-system |
| CN101167420A (en) * | 2006-10-27 | 2008-04-30 | 中国科学院沈阳应用生态研究所 | Plant root system hydraulic lift action measuring device |
| CN200994308Y (en) * | 2006-12-29 | 2007-12-26 | 中国科学院东北地理与农业生态研究所 | Determiner for corn root space-time structure in growth development period |
| EP2210478A1 (en) * | 2009-01-26 | 2010-07-28 | Kekkilä OY | Cultivation method for plants and system and substrate box for cultivating plants |
| CN201378974Y (en) * | 2009-04-10 | 2010-01-13 | 尹桂英 | Device for soil cultivation of tap root plants |
| CN201797791U (en) * | 2010-05-13 | 2011-04-20 | 苏忆 | Water-saving and moisture-preserving root-stretching planting basin |
| CN102124933A (en) * | 2010-12-02 | 2011-07-20 | 北京市农林科学院 | Method for researching partial root drying irrigation technology of woody fruit trees |
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| 樊小林等: "植物根系的提水作用", 《西北农业大学学报》, vol. 25, no. 5, 31 October 1997 (1997-10-31), pages 75 - 81 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972231A (en) * | 2012-12-24 | 2013-03-20 | 山东省花生研究所 | Peanut culturing device and system as well as authenticating method for drought resistant peanut varieties |
| CN103749205A (en) * | 2014-01-15 | 2014-04-30 | 华南理工大学 | Comprehensive plant root bag culture apparatus capable of separating and collecting rhizosphere soil |
| CN105766121A (en) * | 2016-03-30 | 2016-07-20 | 山东省花生研究所 | Root splitting method for preventing water from moving in alternate irrigation of peanut root system zones |
| CN105766121B (en) * | 2016-03-30 | 2018-06-22 | 山东省花生研究所 | It is a kind of to prevent the root-planting method that moisture moves in Peanut Root System subregion alternate irrigation |
| CN107006199A (en) * | 2017-06-12 | 2017-08-04 | 福建农林大学 | It is a kind of to support the device and method controlled for foliage dressing |
| CN108738863A (en) * | 2018-07-30 | 2018-11-06 | 安徽农业大学 | For analyzing the drawer type potting bucket for heating and being influenced on wheat root distribution |
| CN108738863B (en) * | 2018-07-30 | 2023-08-25 | 安徽农业大学 | Drawer type pot barrel for analyzing influence of heating on distribution state of wheat root system |
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| Publication number | Publication date |
|---|---|
| CN102550324B (en) | 2013-10-09 |
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