CN107132146A - Four-way lysimeter - Google Patents
Four-way lysimeter Download PDFInfo
- Publication number
- CN107132146A CN107132146A CN201710557119.2A CN201710557119A CN107132146A CN 107132146 A CN107132146 A CN 107132146A CN 201710557119 A CN201710557119 A CN 201710557119A CN 107132146 A CN107132146 A CN 107132146A
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- sensor
- lysimeter
- cylindrical container
- soil
- water
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- 238000005303 weighing Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 239000002689 soil Substances 0.000 claims description 62
- 230000004907 flux Effects 0.000 claims description 9
- 230000009469 supplementation Effects 0.000 claims description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000004458 analytical method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The present invention relates to four-way lysimeter, it is characterised in that：Single-chip microcomputer including four single channel lysimeters and with display function, each single channel lysimeter includes cylindrical container, it is supported in the triangular pedestals component of cylindrical container bottom, leak device and weighing sensor located at cylindrical container bottom, triangular pedestals component is by triangle lower carriage, the triangle upper bracket being connected with cylindrical container bottom, it is connected on triangle, the spring stack composition of lower carriage, the upper surface of triangle lower carriage is provided with the liftable column for being used for installing weighing sensor, weighing sensor is held between cylindrical container bottom and liftable column top surface, the chamber wall of cylindrical container is from top to bottom provided with multiple sensor mounting hole, the liquid outlet connection seepage weighing instrument of leak device.Its is easy to maintenance, and cost is low, and measurement data precision is high, and observation is directly perceived, and the result of four kinds of different measurements can be observed simultaneously, is easy to analyze data comprehensively.
Description
Technical field
The present invention relates to a kind of four-way lysimeter, it is adaptable to which water conservancy, meteorology, the hydrology, agricultural, animal husbandry etc. make in field
Lysimeter.
Background technology
Lysimeter is an important soil ecology monitoring instrument, is by the essence to original position soil-plant cartridge system
Really monitor and analysis earth pillar weight, soil moisture, to study SOIL CARBON AND NITROGEN water circulation, including water balance, material balance, moisture
Migration, solute transfer, transpiration such as are evapotranspired at the soil ecology situation, are adapted to farmland, grassland, forest, riverine wetland, marsh, root cellar for storing things, built
The long term monitoring of the ecosystems such as basis is built, is widely used in the research fields such as agronomy, forestry, environmental protection, meteorology, the hydrology, water conservancy.
At present, there are the following problems for conventional lysimeter：1st, using single-pass configuration, precision is low, and general precision is 500
Gram, maintenance difficult, data processing complex not intuitively, is unfavorable for data analysis and observation, in use no data contrast and
With reference to, it is impossible to the correction data under same time and identical environment is measured, it is have impact on and promotes and using effect；2nd, by structure
Weighing sensor dismounting below limitation, lysimeter cylindrical container is cumbersome, and maintenance difficulties are big, and maintenance cost is big；3rd, steam and ooze
The steel drum that instrument contains undisturbed soil has isolated the circulation of agricultural land soil water system, plant growth water consumption and soil moisture evaporation, oozes steaming
The moisture of soil is constantly reduced in instrument steel drum, the moisture formation difference with soil outside bucket, so as to cause data error larger.
The content of the invention
The invention aims to provide a kind of easy to maintenance, the cost of the above mentioned problem for overcoming prior art to exist
The four-way lysimeter low, measurement data precision is high, processing data is simple, and observation is directly perceived, while four kinds of differences can be observed
The result of measurement, is easy to the number such as soil data, precipitation data, data of evapotranspiring, soil chemical analysis sampling and crop yield
According to being analyzed comprehensively.
The technical scheme is that：
A kind of four-way lysimeter, it is characterised in that：Monolithic including four single channel lysimeters and with display function
Machine, each single channel lysimeter includes cylindrical container, the triangular pedestals component for being supported in cylindrical container bottom, held located at cylindricality
The leak device and weighing sensor of device bottom, the triangular pedestals component is by triangle lower carriage and cylindrical container bottom
The triangle upper bracket that is connected, the spring stack composition for being connected to the upper and lower support of triangle, the triangle lower carriage it is upper
Surface is provided with the liftable column for being used for installing weighing sensor, and the weighing sensor is held in cylindrical container bottom and can
Between lifting column top surface, the chamber wall of the cylindrical container is from top to bottom provided with multiple sensor mounting hole, the seepage dress
The liquid outlet connection seepage weighing instrument put.
Soil heat flux is inserted in above-mentioned four-way lysimeter, the cylindrical container by sensor mounting hole to sense
One or more in device, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salinity sensor,
The soil heat flux sensor, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salt are passed
One or more signal output parts in sensor are connected with the signal input part of single-chip microcomputer.
Above-mentioned four-way lysimeter, four single channel lysimeters are rectangular to be arranged in region to be detected.
Above-mentioned four-way lysimeter, the quantity of the weighing sensor of each single channel lysimeter is three, is held in cylindricality
Device bottom even is arranged, to improve accuracy of detection.
Above-mentioned four-way lysimeter, the weighing sensor of four single channel lysimeters is changed by 24 A/D of four-way
Device is connected with the signal input part of single-chip microcomputer, the signal output part of the seepage weighing instrument of four single channel lysimeters and single-chip microcomputer
Signal input part is connected.
Above-mentioned four-way lysimeter, the single-chip microcomputer signal output part is by Gprs wireless connections or is wiredly connected to
Computer host computer.
Above-mentioned four-way lysimeter, the liftable column by be fixed on triangle lower carriage hollow base, insert
Enter the telescopic mast and locking member composition at the top of hollow base.
Above-mentioned four-way lysimeter, separately sets the automatic contactless water charging system of underground water, and the underground water is automatically contactless
Water charging system include water tank, the water inlet switch on water tank, water solenoid valve, be connected with water solenoid valve export pipeline it is small
Type rainfall counter, the funnel below small-sized rainfall counter, in cylindrical container connected with funnel bottom ooze
Free surface moisture comparison system in the lysimeter of fistulae, the rainfall at the liquid outlet of leak device from flowmeter sensor, based on FDR,
With free surface moisture comparison system, water solenoid valve, small-sized rainfall counter and rainfall in lysimeter from flowmeter sensor be connected it is automatic
Make-up water supply control system.Realize and lysimeter middle part, bottom are automatically replenished, make the moisture and the outside soil water inside lysimeter
Point be consistent, substantially reduce experimental data error, moisturizing layering seepage can be layered, leakage during moisturizing by rainfall from
Flowmeter sensor carries out seepage metering.
Above-mentioned four-way lysimeter, the signal output part of the automatic water supplementation control system by Gprs wireless connections or
It is wiredly connected to computer host computer.
The beneficial effects of the invention are as follows：
1st, cylindrical container is supported using spring stack, while liftable column liftable is adjusted, the upper and lower support of triangle and spring
Post is cooperated, and the spring stack support drum container when repairing weighing sensor, liftable column is weighed using elevating function handle
Sensor is fallen, in that context it may be convenient to the lower weighing sensor of dismounting, so as to reduce maintenance cost and maintenance difficulties when safeguarding, carries
High operating efficiency.
2nd, four single channel lysimeters of four-way lysimeter can be combined and use, and can also be used alone, when being applied in combination,
Measurement data precision is high, and the precision of Large-scale lysimeter can reach 10 grams, and the precision of middle-size and small-size lysimeter is up to 2 grams, by seeing
The result of four kinds of different measurements is examined, is easy to soil data, precipitation data, data of evapotranspiring, soil chemical analysis sampling and farming
The data such as produce amount are analyzed comprehensively.
3rd, single-chip microcomputer can not only collect the signal of weighing sensor and leak device, moreover it is possible to detection project needed for collection
Signal, such as soil heat flux, soil water potential, soil moisture, the soil moisture, soil salt, it is possible to by detection project and data
Show, be easy to observation and data analysis.
Brief description of the drawings
Fig. 1 is the structural representation (correspondence embodiment 1) of the single channel lysimeter of the present invention；
Fig. 2 is the longitudinal sectional drawing of cylindrical container in Fig. 1；
Fig. 3 is the structural representation of Fig. 1 intermediate cam shape lower carriages；
Fig. 4 is the arrangement schematic diagram of four single channel lysimeters of the present invention；
Fig. 5 is the theory diagram (correspondence embodiment 1) of the present invention；
Fig. 6 is the structural representation (correspondence embodiment 2) that the present invention is provided with the automatic contactless water charging system of underground water；
Fig. 7 is the theory diagram (correspondence embodiment 2) of the present invention.
In figure：1. propped up under cylindrical container, 2. sensor mounting hole, 3. triangle upper brackets, 4. spring stacks, 5. triangles
Frame, 6. leak devices, 7. liftable columns, 8. weighing sensors, 9. basements, 10. automatic water supplementation control systems, 11. water inlets
Switch, 12. water tanks, 13. water solenoid valves, 14. small-sized rainfall counters, 15. funnels, 16. leaky pipes, 17. rainfall count biography certainly
Free surface moisture comparison system in sensor, 18. lysimeters based on FDR.
Embodiment
As Figure 1-Figure 5, the four-way lysimeter, including four single channel lysimeters and the monolithic with display function
Machine.Each single channel lysimeter includes cylindrical container 1, is supported in the triangular pedestals component of the bottom of cylindrical container 1, located at cylindricality
The leak device 6 and weighing sensor 8 of the bottom of container 1.The triangular pedestals component holds by triangle lower carriage 5, with cylindricality
Triangle upper bracket 3 that the bottom of device 1 is connected, the spring stack 4 for being connected to the upper and lower support 3,5 of triangle are constituted.The triangle
The upper surface of shape lower carriage 5 is provided with the liftable column 7 for being used for installing weighing sensor 8, and the weighing sensor 8 is held in
Between the bottom of cylindrical container 1 and the top surface of liftable column 7, the weighing sensor 8 of four single channel lysimeters passes through four-way 24
Position A/D converter is connected with the signal input part of single-chip microcomputer.The chamber wall of the cylindrical container 1 is from top to bottom provided with multiple sensings
Soil heat flux sensor, soil water potential are inserted in device mounting hole 2, the cylindrical container 1 by sensor mounting hole 2 to sense
One or more in device, soil humidity sensor, soil temperature sensor, soil salinity sensor, the soil heat flux
One kind in sensor, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salinity sensor or
A variety of signal output parts is connected with the signal input part of single-chip microcomputer.The liquid outlet connection seepage weighing instrument of the leak device 6,
The signal output part of seepage weighing instrument of four single channel lysimeters is connected with the signal input part of single-chip microcomputer.The single-chip microcomputer
Signal output part is by Gprs wireless connections or is wiredly connected to computer host computer.
In the present embodiment, four single channel lysimeters are rectangular to be arranged in region to be detected.Each single channel lysimeter
The quantity of weighing sensor 8 is three, in the arrangement of the bottom even of cylindrical container 1, to improve accuracy of detection.The liftable column
7 are made up of the hollow base being fixed on triangle lower carriage 5, the telescopic mast inserted at the top of hollow base and locking member.
In use, four single channel lysimeters (1#, 2#, 3#, 4#) are arranged in a square basement 9, cylindricality
The mouth of container 1 is concordant with ground, and soil sample is placed in cylindrical container 1, and by the sensor needed for detection project, (soil heat flux is passed
Sensor, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salinity sensor) it is inserted into sensor
In mounting hole 2, and it is connected with single-chip microcomputer, liquid crystal display screen display of the measurement result in single-chip microcomputer；Single-chip microcomputer is arranged on ground
Protective housing in, the weighing sensor 8 of four single channel lysimeters is weighed in real time, and by 24 A/D converters of four-way with
Single-chip microcomputer is connected, and transfers data on single-chip microcomputer and shown by LCDs；Seepage weighing instrument directly weighs up seepage
Amount, and result is uploaded single-chip microcomputer；Data are transferred to computer host computer by single-chip microcomputer, and carry out calculating analysis to data.Soil
Heat flux sensor, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salinity sensor can pacify
At 0.4 meter, 0.6 meter, 0.8 meter away from the top of cylindrical container 1, also different depth can be arranged on according to customer requirement.
Embodiment 2
As shown in Figure 6, Figure 7, the four-way lysimeter, is additionally provided with the automatic contactless water charging system of underground water, the underground
The automatic contactless water charging system of water includes water tank 12, the water inlet switch 11 on water tank 12, water solenoid valve 13 and goes out water power
The small-sized rainfall counter 14 of the export pipeline of magnet valve 13 connection, the funnel 15 located at the lower section of small-sized rainfall counter 14, located at post
Describe the leaky pipe 16 connected with the bottom of funnel 15 in device 1, the rainfall at the liquid outlet of leak device 6 from flowmeter sensor
17th, free surface moisture comparison system 18 in the lysimeter based on FDR, with free surface moisture comparison system 18 in lysimeter, water solenoid valve 13,
The automatic water supplementation control system 10 that small-sized rainfall counter 14, rainfall are connected from flowmeter sensor 17.Realize to lysimeter middle part, bottom
Portion is automatically replenished, and is consistent the moisture inside lysimeter and outside soil moisture, is substantially reduced experimental data error.
The signal output part of the automatic water supplementation control system 10 is by Gprs wireless connections or is wiredly connected to computer host computer, realizes
Host computer overall monitor.
When in the lysimeter based on FDR free surface moisture comparison system 18 measure in the cylindrical container 1 of lysimeter in, bottom and outer
When difference occurs in the soil moisture of the same depth in portion, carried out by the single-chip microcomputer of automatic water supplementation control system 10 after calculating analysis,
Water solenoid valve 13 is automatically opened up, small-sized rainfall counter 14 is moved the water to flow into, funnel is flowed into by small-sized rainfall counter 14 again
15, then flowed into by leaky pipe 16 in the cylindrical container 1 of lysimeter, the inflow water feedback that small-sized rainfall counter 14 is recorded
To the single-chip microcomputer of automatic water supplementation control system 10, single-chip microcomputer carries out computing contrast, and when water reaches required amount, single-chip microcomputer is sent
Halt instruction, closes water solenoid valve 13, moisturizing terminates.Every lysimeter can do layer 2-4 by different level according to lysimeter size
Automatic water replenishing system.Leakage during moisturizing carries out seepage metering by rainfall from flowmeter sensor 17.Other be the same as Examples 1.
Claims (9)
1. a kind of four-way lysimeter, it is characterised in that：Single-chip microcomputer including four single channel lysimeters and with display function,
Each single channel lysimeter includes cylindrical container, is supported in the triangular pedestals component of cylindrical container bottom, located at cylindrical container
The leak device and weighing sensor of bottom, the triangular pedestals component connect by triangle lower carriage, with cylindrical container bottom
Connect fixed triangle upper bracket, be connected to the spring stack composition of the upper and lower support of triangle, the upper table of the triangle lower carriage
Face is provided with the liftable column for being used for installing weighing sensor, and the weighing sensor is held in cylindrical container bottom and can risen
Drop between column top surface, the chamber wall of the cylindrical container is from top to bottom provided with multiple sensor mounting hole, the leak device
Liquid outlet connection seepage weighing instrument.
2. four-way lysimeter according to claim 1, it is characterised in that：Installed in the cylindrical container by sensor
Hole insertion soil heat flux sensor, soil water potential sensor, soil humidity sensor, soil temperature sensor, soil salt
One or more in sensor, the soil heat flux sensor, soil water potential sensor, soil humidity sensor, soil
One or more signal output parts in temperature sensor, soil salinity sensor are connected with the signal input part of single-chip microcomputer.
3. four-way lysimeter according to claim 1, it is characterised in that：Four single channel lysimeters are rectangular to be arranged in
Region to be detected.
4. four-way lysimeter according to claim 1, it is characterised in that：The weighing sensor of each single channel lysimeter
Quantity be three, cylindrical container bottom even arrangement.
5. four-way lysimeter according to claim 1, it is characterised in that：The weighing sensor of four single channel lysimeters
It is connected by 24 A/D converters of four-way with the signal input part of single-chip microcomputer, the seepage weighing instrument of four single channel lysimeters
Signal output part be connected with the signal input part of single-chip microcomputer.
6. four-way lysimeter according to claim 1, it is characterised in that：The signal output part of the single-chip microcomputer passes through
Gprs wireless connections are wiredly connected to computer host computer.
7. four-way lysimeter according to claim 1, it is characterised in that：The liftable column is by being fixed on triangle
The telescopic mast and locking member composition at the top of hollow base, insertion hollow base on lower carriage.
8. four-way lysimeter according to claim 1, it is characterised in that：It is another to set the automatic contactless moisturizing system of underground water
System, the automatic contactless water charging system of the underground water include water tank, the water inlet switch on water tank, water solenoid valve, with going out
Water solenoid valve export pipeline connection small-sized rainfall counter, the funnel below small-sized rainfall counter, located at cylindricality hold
The leaky pipe connected with funnel bottom in device, the rainfall at the liquid outlet of leak device are from flowmeter sensor, based on FDR's
Free surface moisture comparison system in lysimeter, with free surface moisture comparison system, water solenoid valve, small-sized rainfall counter and rain in lysimeter
Measure the automatic water supplementation control system being connected from flowmeter sensor.
9. four-way lysimeter according to claim 8, it is characterised in that：The signal of the automatic water supplementation control system is defeated
Go out end by Gprs wireless connections or be wiredly connected to computer host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557119.2A CN107132146B (en) | 2017-07-10 | 2017-07-10 | Four-channel lysimeter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710557119.2A CN107132146B (en) | 2017-07-10 | 2017-07-10 | Four-channel lysimeter |
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| CN107132146A true CN107132146A (en) | 2017-09-05 |
| CN107132146B CN107132146B (en) | 2024-05-28 |
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| CN201710557119.2A Active CN107132146B (en) | 2017-07-10 | 2017-07-10 | Four-channel lysimeter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750918A (en) * | 2017-11-15 | 2018-03-06 | 遵义湘江园林工程有限责任公司 | A kind of treegarden irrigation device |
| CN109406761A (en) * | 2018-12-25 | 2019-03-01 | 西安清远测控技术有限公司 | It is straight to claim formula soil lysimeter system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567889A (en) * | 1992-04-24 | 1996-10-22 | Oceanit Laboratories, Inc. | Lysimeter for collecting chemical samples from the vadose zone |
| CN201302540Y (en) * | 2008-11-27 | 2009-09-02 | 贵州省烟草科学研究所 | Tobacco field soil micro-lysimeter |
| CN203551425U (en) * | 2013-07-19 | 2014-04-16 | 山东农业大学 | Simple and easy root division water discharging type pervaporation device |
| CN205262894U (en) * | 2015-12-30 | 2016-05-25 | 甘肃省农业科学院林果花卉研究所 | Appearance is oozed to small -size evaporating |
| CN206146778U (en) * | 2016-11-01 | 2017-05-03 | 北京易科泰生态技术有限公司 | SoilTron pheno plant phenotype is surveyd evaporating and is oozed appearance |
| CN207036594U (en) * | 2017-07-10 | 2018-02-23 | 锦州天畅自动化设备有限公司 | Four-way lysimeter |
-
2017
- 2017-07-10 CN CN201710557119.2A patent/CN107132146B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567889A (en) * | 1992-04-24 | 1996-10-22 | Oceanit Laboratories, Inc. | Lysimeter for collecting chemical samples from the vadose zone |
| CN201302540Y (en) * | 2008-11-27 | 2009-09-02 | 贵州省烟草科学研究所 | Tobacco field soil micro-lysimeter |
| CN203551425U (en) * | 2013-07-19 | 2014-04-16 | 山东农业大学 | Simple and easy root division water discharging type pervaporation device |
| CN205262894U (en) * | 2015-12-30 | 2016-05-25 | 甘肃省农业科学院林果花卉研究所 | Appearance is oozed to small -size evaporating |
| CN206146778U (en) * | 2016-11-01 | 2017-05-03 | 北京易科泰生态技术有限公司 | SoilTron pheno plant phenotype is surveyd evaporating and is oozed appearance |
| CN207036594U (en) * | 2017-07-10 | 2018-02-23 | 锦州天畅自动化设备有限公司 | Four-way lysimeter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750918A (en) * | 2017-11-15 | 2018-03-06 | 遵义湘江园林工程有限责任公司 | A kind of treegarden irrigation device |
| CN107750918B (en) * | 2017-11-15 | 2020-10-09 | 遵义湘江园林工程有限责任公司 | Gardens irrigation equipment |
| CN109406761A (en) * | 2018-12-25 | 2019-03-01 | 西安清远测控技术有限公司 | It is straight to claim formula soil lysimeter system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107132146B (en) | 2024-05-28 |
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