CN209961751U - Simple device for outdoor recording plant transpiration water consumption - Google Patents
Simple device for outdoor recording plant transpiration water consumption Download PDFInfo
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- CN209961751U CN209961751U CN201920582717.XU CN201920582717U CN209961751U CN 209961751 U CN209961751 U CN 209961751U CN 201920582717 U CN201920582717 U CN 201920582717U CN 209961751 U CN209961751 U CN 209961751U
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- culture cylinder
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- water consumption
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 230000005068 transpiration Effects 0.000 title claims abstract description 38
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 239000012466 permeate Substances 0.000 claims abstract description 7
- 230000008020 evaporation Effects 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000004746 geotextile Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 31
- 239000002689 soil Substances 0.000 description 20
- 238000005259 measurement Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008635 plant growth Effects 0.000 description 2
- JOJYUFGTMHSFEE-YONYXQDTSA-M Cytarabine ocfosphate Chemical compound [Na+].O[C@H]1[C@H](O)[C@@H](COP([O-])(=O)OCCCCCCCCCCCCCCCCCC)O[C@H]1N1C(=O)N=C(N)C=C1 JOJYUFGTMHSFEE-YONYXQDTSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Cultivation Of Plants (AREA)
Abstract
The utility model discloses a simple device for outdoor recording plant transpiration water consumption, which comprises a weighing device and a culture cylinder arranged on the weighing device, wherein the bottom of the culture cylinder is respectively connected with a Ma bottle and a water level observation tube, and a switchable valve is also arranged between the Ma bottle and the culture cylinder; still be provided with in the culture cylinder and mend the evaporating dish, the culture cylinder bottom still is provided with drags the net frame, evenly is provided with the vertical hole of permeating water that link up on the net frame, it is provided with the net that permeates water on the net frame to drag, the connector that mah-jong bottle and water level observation pipe are connected to trawl frame upper surface is higher than the culture cylinder bottom. The utility model discloses a simple and easy device that is used for outdoor record plant transpiration water consumption, overall structure is simple, and is easy and simple to handle, and long-time operation consumes the energy extremely low, can simulate the outdoor growing environment of plant for a long time, realizes the long-time monitoring to plant transpiration water consumption.
Description
Technical Field
The utility model relates to an experimental facilities technical field, concretely relates to a simple and easy device that is used for outdoor record plant transpiration water consumption.
Background
In hydrologic cycle of nature, moisture in the atmosphere falls to the ground in the form of rainfall or hail, and a part forms surface runoff, and a part permeates into the underground to become groundwater, and the rest flows into the ocean. Some of the water penetrating the ground is directly returned to the atmosphere by evaporation from the soil surface, and some of the water is absorbed by vegetation and returned to the atmosphere by transpiration. It is believed that water in soil consumed by plant transpiration accounts for approximately 40% of rainfall, approximately 60% (up to and down 10%) of the transpiration in hydrologic cycles, and in some forest systems, plant transpiration consumes more, up to 70% (up to and down 14%), and in some semi-arid regions, desert regions, plant transpiration consumes relatively less, up to 51% (up to and down 15%). The plant root system absorbs water from the soil, and 95% of the water is used for transpiration on the surface of the plant leaves and is diffused into the atmosphere, and the plant-soil-atmosphere (SPAC) system is an important part of the global water circulation.
At present, there are various measuring instruments for plant transpiration, including Li-6400 portable photosynthetic apparatus, weighing transpiration instrument, leaf stomatometer, CAF tree transpiration flow measuring system, etc., which can measure the fabric transpiration water consumption, but also have some disadvantages, including: 1. the price is high, the structure is complex, and the operation difficulty is high; 2. the requirement on the measurement environment is high, and the transpiration water consumption of plant growth under natural conditions is difficult to obtain; 3. short monitoring time, incapability of continuous measurement for a long time and the like; 4. the existing equipment is designed to be closed for reducing the influence of the soil evaporation capacity on measured data, the measured plants need to be fixed by using sealing equipment, the plant growth is influenced, and the measurement of transpiration water consumption of the densely planted plants is not facilitated.
Disclosure of Invention
The utility model is directed to the above-mentioned defect, a simple and easy device that is used for outdoor record plant transpiration water consumption is provided, its concrete technical scheme as follows:
a simple device for outdoor recording plant transpiration water consumption comprises a weighing device and a culture cylinder arranged on the weighing device, wherein the culture cylinder is of a hollow cylindrical structure with an opening at the upper end, the bottom of the culture cylinder is respectively connected with a Ma bottle and a water level observation tube, the water level observation tube is a vertically arranged transparent straight tube, the upper end of the water level observation tube is communicated with the atmosphere, the lower end of the water level observation tube is communicated with the inside of the culture cylinder, and a switchable valve is also arranged between the Ma bottle and the culture cylinder; a correction evaporation dish is also arranged in the culture cylinder, the correction evaporation dish is of a hollow tube structure vertically arranged on the inner wall of the culture cylinder, and the bottom of the correction evaporation dish is closed and the top of the correction evaporation dish is opened; the culture cylinder bottom still is provided with drags the net rack, drags the net rack to be cylindrical structure, evenly is provided with the vertical hole of permeating water that link up on the drags the net rack, be provided with the net that permeates water on dragging the net rack, the net that permeates water is for covering the sectional slice screen cloth of culture cylinder completely, trawl rack upper surface is higher than the connector of culture cylinder bottom connection ma shi bottle and water level observation pipe.
As an improvement of this scheme, the culture section of thick bamboo is transparent, and the culture section of thick bamboo outer wall corresponds to revises the evaporation ware position and is provided with the scale and be used for instructing to revise the interior liquid volume of evaporation ware.
As an improvement of the scheme, the upper surface and the lower surface of the trawl rack are of a sunken spherical structure, a sunken water draining notch is further formed in the edge of the bottom of the trawl rack, and a gap is formed between the outer side of the trawl rack and the inner wall of the culture cylinder.
As an improvement of the scheme, the water permeable net is made of geotextile, and the edge of the water permeable net is hermetically connected with the inner wall of the culture cylinder through water-proof glass cement.
As an improvement of the scheme, the culture cylinder is made of organic glass.
Compared with the prior art, the utility model adopts the above technical scheme, the technical effect who has is:
1. the utility model discloses a simple and easy device that is used for outdoor record plant transpiration water consumption can get into the culture cylinder through transplanting open-air undisturbed soil plant and cultivate, simulates the living environment of open-air plant. Under experimental conditions, because the evaporation speed of the water on the surface layer of the soil is nearly equal to the evaporation speed of the surface of a water body, when the transpiration water consumption is measured, the numerical value of the evaporation capacity of the soil in the culture cylinder under the condition of covering the leaf plants can be obtained by measuring the reduction of the water in the correction evaporation dish and combining the ratio of the cross-sectional area of the correction evaporation dish to the cross-sectional area of part of the soil in the culture cylinder, and the accurate plant transpiration water consumption can be obtained by subtracting the numerical value of the evaporation capacity of the soil under the condition of covering the leaf plants from the actually measured weight reduction of the weighing equipment;
2. the utility model discloses a simple and easy device for outdoor record plant transpiration water consumption realizes the water supply of constant water level through the ma shi bottle, guarantees that the soil water level lasts stably in the culture cylinder, reduces because the soil water level is different to the influence of plant transpiration water consumption, in addition, through observing the water level height in the water level observation tube can make things convenient for the direct water level height in the culture cylinder that obtains, the record of being convenient for is observed.
3. The utility model discloses a simple and easy device that is used for outdoor record plant transpiration water consumption, overall structure is simple, and is easy and simple to handle, and long-time operation consumes the energy extremely low, can simulate the outdoor growing environment of plant for a long time, realizes the long-time monitoring to plant transpiration water consumption.
Drawings
FIG. 1 is a schematic structural diagram of a simple device for outdoor recording plant transpiration water consumption;
FIG. 2 is a schematic partial sectional structure view of the simple device for outdoor recording plant transpiration water consumption;
FIG. 3 is a schematic view of the structure of the correction evaporation pan;
FIG. 4 is a schematic diagram of the structure of the towing net rack;
reference numerals: 1. an electronic weighing instrument; 2. a culture cylinder; 3. a March bottle; 4. a towing net rack; 5. a water permeable net; 6. a water level observation pipe; 7. correcting the evaporating dish; 8. a valve; 9. water permeable holes; 10. a water drainage notch.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
As shown in figures 1 and 2, the simple device for outdoor recording of plant transpiration water consumption comprises a weighing device and a culture cylinder 2 arranged on the weighing device, wherein the weighing device is an electronic weighing instrument 1, and the culture cylinder 2 is made of transparent organic glass. The culture cylinder 2 is a cylindrical hollow tubular structure with an opening at the upper end, and the bottom of the culture cylinder 2 is respectively connected with a Mariotte bottle 3 and a water level observation tube 6. The water level observation tube 6 is a transparent straight tube which is vertically arranged, the upper end of the water level observation tube 6 is communicated with the atmosphere, the lower end of the water level observation tube 6 is communicated with the interior of the culture cylinder 2, and a switchable valve 8 is also arranged between the Ma bottle 3 and the culture cylinder 2; the actual inner caliber of the water level observation tube 6 can be set to be 2mm or less, and the evaporation capacity of the surface of the liquid level can be ignored relative to the evaporation capacity of soil moisture in the culture cylinder 2 and the transpiration water consumption of the plant. The bottom of the culture cylinder 2 is also provided with a trawl net rack 4, the trawl net rack 4 is of a cylindrical structure, the trawl net rack 4 is evenly provided with vertical through holes 9 for water penetration, the trawl net rack 4 is provided with a water penetration net 5, the water penetration net 5 is a sheet screen mesh which is made of geotextile and completely covers the section of the culture cylinder 2, and the edge of the water penetration net 5 is hermetically connected with the inner wall of the culture cylinder 2 through water-proof glass cement. The upper surface of the trawl door frame 4 is higher than the bottom of the culture cylinder 2 and is connected with the connecting ports of the Mariotte bottle 3 and the water level observation tube 6.
As shown in fig. 3, a correction evaporation dish 7 is further arranged in the culture cylinder 2, the correction evaporation dish 7 is a hollow tube structure vertically arranged on the inner wall of the culture cylinder 2, and the bottom of the correction evaporation dish 7 is closed and has an opening at the top; the culture cylinder 2 is transparent, and the outer wall of the culture cylinder 2 is provided with scales corresponding to the position of the correction evaporation dish 7 for indicating the volume of liquid in the correction evaporation dish 7.
As shown in FIG. 4, the upper and lower surfaces of the trawl rack 4 are concave spherical structures, the edge of the bottom of the trawl rack 4 is also provided with a concave water drainage notch 10, and a gap is arranged between the outer side of the trawl rack 4 and the inner wall of the culture cylinder 2, so as to ensure that the bottom space of the culture cylinder 2 can be filled with water. Meanwhile, the arrangement of the towing net rack 4 can prevent the soil at the bottom from being completely soaked in water due to the accumulation of water at the bottom of the culture cylinder 2, and can simulate the soil state in the field environment as much as possible.
In actual measurement, the operation steps are as follows:
(1) connecting the parts according to requirements, closing the valve 8, adding water into the culture cylinder 2 and the Ma-Er bottle 3, filling the Ma-Er bottle 3 with water, standing for one day, and checking the vacuum tightness of the Ma-Er bottle 3. Then the valve 8 is opened again, the device is placed for a day, the constant water level control capability of the whole device is checked, and then the connecting pipe between the Malpighian bottle 3 and the culture cylinder 2 is detached.
(2) Obtain right amount of original state soil and plant in the field, in culture section of thick bamboo 2 is filled to soil, soil surface with mend 7 opening parallel and level of evaporating dish, add right amount of moisture in culture section of thick bamboo 2 and the evaporating dish 7 of mending, wait that soil subsides to the initial environment of soil sample, transplant a certain amount of plant again.
(3) And (3) opening a water valve of the culture cylinder 2, connecting the upper Ma bottle 3 after most of air in the soil is discharged after the water completely permeates to the bottom of the culture cylinder 2, and opening a valve 8.
(4) The levelness of the device is checked to ensure that the electronic weighing instrument 1 is in a normal working state.
(5) Recording the data of the electronic weighing instrument 1, recording the daily moisture change in the culture cylinder 2, monitoring the transpiration water consumption phenomenon of the plant for a long time, and calculating to obtain the daily transpiration water consumption of the plant.
In the actual measurement process, the electronic weighing instrument 1 with the data acquisition unit can be used, the data acquisition unit is set to collect data of the electronic weighing instrument 1 at regular time, and the automatic data recording function is realized.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.
Claims (5)
1. A simple device for outdoor recording plant transpiration water consumption is characterized by comprising weighing equipment and a culture cylinder arranged on the weighing equipment, wherein the culture cylinder is of a hollow cylindrical structure with an opening at the upper end, the bottom of the culture cylinder is respectively connected with a Ma bottle and a water level observation tube, the water level observation tube is a vertically arranged transparent straight tube, the upper end of the water level observation tube is communicated with the atmosphere, the lower end of the water level observation tube is communicated with the inside of the culture cylinder, and a switchable valve is also arranged between the Ma bottle and the culture cylinder; a correction evaporation dish is also arranged in the culture cylinder, the correction evaporation dish is of a hollow tube structure vertically arranged on the inner wall of the culture cylinder, and the bottom of the correction evaporation dish is closed and the top of the correction evaporation dish is opened; the culture cylinder bottom still is provided with drags the net rack, drags the net rack to be cylindrical structure, evenly is provided with the vertical hole of permeating water that link up on the drags the net rack, be provided with the net that permeates water on dragging the net rack, the net that permeates water is for covering the sectional slice screen cloth of culture cylinder completely, trawl rack upper surface is higher than the connector of culture cylinder bottom connection ma shi bottle and water level observation pipe.
2. The simple device for outdoor recording of plant transpiration water consumption of claim 1, wherein the culture cylinder is transparent, and scales are arranged on the outer wall of the culture cylinder corresponding to the positions of the correction evaporation dishes and used for indicating the liquid volumes in the correction evaporation dishes.
3. The simple device for outdoor recording of plant transpiration water consumption according to claim 2, wherein the upper surface and the lower surface of the trawl rack are of a concave spherical structure, a concave drainage notch is further formed in the edge of the bottom of the trawl rack, and a gap is formed between the outer side of the trawl rack and the inner wall of the culture cylinder.
4. The simple device for outdoor record of plant transpiration water consumption of claim 1, 2 or 3, wherein the water permeable net is a geotextile, and the edge of the water permeable net is hermetically connected with the inner wall of the culture cylinder through a water-impermeable glass cement.
5. The simple device for outdoor record of plant transpiration water consumption of claim 1, 2 or 3, wherein the culture cylinder is made of organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582717.XU CN209961751U (en) | 2019-04-26 | 2019-04-26 | Simple device for outdoor recording plant transpiration water consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582717.XU CN209961751U (en) | 2019-04-26 | 2019-04-26 | Simple device for outdoor recording plant transpiration water consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961751U true CN209961751U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582717.XU Expired - Fee Related CN209961751U (en) | 2019-04-26 | 2019-04-26 | Simple device for outdoor recording plant transpiration water consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209961751U (en) |
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2019
- 2019-04-26 CN CN201920582717.XU patent/CN209961751U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200117 |