CN106941947A - A kind of growth chamber of adjustable Ground-water level - Google Patents
A kind of growth chamber of adjustable Ground-water level Download PDFInfo
- Publication number
- CN106941947A CN106941947A CN201610005883.4A CN201610005883A CN106941947A CN 106941947 A CN106941947 A CN 106941947A CN 201610005883 A CN201610005883 A CN 201610005883A CN 106941947 A CN106941947 A CN 106941947A
- Authority
- CN
- China
- Prior art keywords
- water
- water level
- growth chamber
- feed pipe
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003673 groundwater Substances 0.000 title claims abstract description 47
- 230000012010 growth Effects 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 239000002689 soil Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000002474 experimental method Methods 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 230000033228 biological regulation Effects 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 claims description 2
- 235000021049 nutrient content Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram 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
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/005—Reservoirs connected to flower-pots through conduits
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/008—Component parts, e.g. dispensing fittings, level indicators
Abstract
It is connected the present invention relates to a kind of growth chamber of adjustable Ground-water level, including growth chamber, level of ground water regulating system with water system；The container that growth chamber is a upper end open, lower end is closed, drainage layer is equipped with container bottom；Water in water tank is flowed into growth chamber by gravity；The straight tube for the both ends open that water level observation Guan Weiyi is vertically arranged, its lower port is connected with feed pipe, and the lower port of water level observation pipe is in below drainage layer upper surface；Level control valve is floating valve or ball-cock assembly, is overhang by cotton rope in water level observation pipe.The present apparatus can be that plant physiological ecology experiment, soil physico-chemical property experiment, soil nutrient content change experiment of related WATER LEVEL CHANGES etc. provide support with the eustasy of linear analogue level of ground water.The eustasy function of level of ground water is realized using level of ground water regulating system, the moisture supply during WATER LEVEL CHANGES is realized by water system.
Description
Technical field
The present invention relates to the analogy method that level of ground water in soil is adjusted, it is possible to provide in a kind of linear regulation soil
The method of level of ground water, in terms of realizing plant growth related to this, soil nutrient, Water Transport
Scientific research and testing provide effective support.
Background technology
With the development of human society, the mankind are constantly strengthened the Utilization ability of natural resources, Yi Jiquan
The influence that ball warms to the globally assigned general layout of water resource, causes the change (drop of different regions soil level of ground water
Based on low), this has become one of serious environmental problems for being faced in current mankind evolution.Soil underground
The change of water level produces significant impact to plant and soil nutrient, its physiology course to plant, ecological point
Have great importance in terms of cloth general layout, existence, more new development.
In Study of The Underground SEA LEVEL VARIATION in plant and Effect of soil nutrient effect, artificial mould is mainly used at present
Intend regulation level of ground water method to realize, how effectively to adjust the change of underground moisture as crucial technology section
Point.Conventional work is mainly setting growing container, and inside doses growth substrate and is used for transplanting plant, and
Certain water is dosed inside it, single level of ground water is formed, it is impossible to realizes that the linear lifting of level of ground water becomes
Change, meanwhile, the loss of water in growing process also can not be supplemented and quantified in time.
This invention device passes through level of ground water regulating system, it is possible to achieve level of ground water is linear in growth case
Change, and the moisture loss in supplement growing process and quantity in time, are provided for correlative study work
It is favourable to support.
The content of the invention
Present invention aims at provide a kind of to simulate the plant growth experimental rig of different groundwater level depths.
In view of the shortcomings of the prior art, level of ground water can be carried out present invention aims at offer one kind linearly to adjust
The experimental rig of section, solves the need for the level of ground water consecutive variations that can not be realized in level of ground water simulated test
Ask, meanwhile, it can also quantify the loss quantity of soil moisture in process of the test.
The technical scheme used to achieve the above object is：A kind of growth chamber of adjustable Ground-water level：
It is connected including growth chamber, level of ground water regulating system with water system；Level of ground water regulating system bag
Water level observation regulation pipe and level control valve are included, water system includes water tank and feed pipe；
The container that growth chamber is a upper end open, lower end is closed, is equipped with drainage layer, in filter in container bottom
Soil is equipped with water layer to container upper open end；It is described in being provided with screen casing feed pipe in the drainage layer of container
Screen casing feed pipe one end is closed, and the other end is connected through feed pipe with the delivery port of water tank, in being set on feed pipe
There is the through hole that more than 1 is offered on water supply valve, the tube wall of screen casing feed pipe as apopore, and in sieve
Gauze is enclosed with the outer tube wall of pipe feed pipe；Water in water tank is flowed into growth chamber by gravity；
Water level observation regulation pipe is the straight tube of a both ends open being vertically arranged, and its lower port is connected with feed pipe,
The lower port of water level observation regulation pipe is in below drainage layer upper surface；
Level control valve is floating valve or ball-cock assembly, and floating valve or the cursory of ball-cock assembly overhang water level sight by cotton rope
Examine in pipe.Growth chamber specification sets rectangular box, and material is more than thickness 4mm iron sheet or cement wall
Body.
The plant growth bottom laying drainage layer, drainage layer is the sand stone layer of more than 20cm thickness, the particle diameter of sandstone
For 1-2cm；Edge on experiment soil to casing is equipped with sand stone layer.
One side bottom sets casing screen casing feed pipe at the 3-5cm of bottom in the casing of the growth chamber,
Caliber 10-15cm, body upper water-out hole, aperture 3-5mm, body dresses outside gauze；
Described screen casing feed pipe one end is provided with plug, and the other end is connected with feed pipe, feed pipe by valve with
Water tank is connected.
The level of ground water regulating system includes water level observation regulation pipe and level control valve, water level observation regulation
Pipe is vertically installed on the feed pipe parallel to growth chamber bottom, and its lower open end is connected with feed pipe,
The upper edge (referring to upper open end, upper end open is connected with air) of water level observation pipe highly exceedes on growth case
Along (referring to upper open end), water level observation pipe upper open end sets water level regulation valve support, and support is provided with roller
Axle, level control valve is by floating valve control, and floating valve is cursory to be overhang in water level observation pipe by cotton rope,
During water level decreasing, because Action of Gravity Field triggers floating valve to move downward, the signal of water supply valve is opened in triggering；Water
During the rise of position, because buoyancy triggers floating valve to move upwards, the signal of water supply valve is closed in triggering, according to
Situation sets an observation ward between water level observation regulation pipe and feed pipe.
Cursory is float or ball float.
The water level observation regulation pipe is transparent toughened glass pipe.
The delivery port of water tank is arranged at water surface elevation in water tank bottom or bottom, water tank and is higher than delivery port, delivery port
Highly it is higher than growth chamber upper open end 50-100cm.
Release penstock in being provided with the feed pipe being connected with screen casing feed pipe, release penstock intake-outlet axis,
Screen casing feed pipe axis and the feed pipe axis released between penstock and screen casing feed pipe are in same level
On face.
A kind of adjustable WATER LEVEL CHANGES analogue means is built, the present apparatus is by growth chamber, underground water
The compositions such as position regulating system, water system.
Grow case specification and rectangular box is set, depth is 300cm, and section is 120 × 120cm, and material is
4mm iron sheets (The concrete specification also can be according to the adjustment of experiment demand).Bottom doses 20cm thickness dimensions in casing
1-2cm sandstone, is used as drainage layer；Experiment soil is dosed thereon, until edge on casing.In casing one side
Bottom is at the 5cm of bottom, installation casing feed pipe, caliber 10cm (see figure), and feed pipe is in casing
Part, front end installed and drilled (apopore) comprehensively on plug, body, and aperture 5mm, body dresses outside gauze,
Prevent soil plug.
Level of ground water regulating system is mainly made up of water level observation pipe, feed pipe and level control valve, is such as schemed,
Feed pipe is installed in growth case side, feed pipe is connected by valve with water tank；In vertical feed pipe and casing
Between pipeline on, vertically-mounted water level observation pipe, material be safety glass pipe, transparent can see water in pipe
Position situation, tube surfaces set length scales (unit cm), for calculating level of ground water numerical value, on along height
Degree exceedes edge on growth case, and floating valve switch bracket (roll shaft), floating valve are installed in water level observation pipe position suitable for reading
It is cursory to be overhang by cotton rope in water level observation pipe, provide switching signal for buoyancy threshold switch.
Water system is mainly made up of feed pipe, valve, water tank and support.As schemed, installed on feed pipe
Buoyancy threshold switch, passes through the switch of the water level catenary control valve in water level observation pipe.Water tank installation site
Higher than on feed pipe along 50-100cm, it is ensured that effective moisture supply.
The present invention has advantages below and beneficial effect：
1. it can realize that linear regulation grows case in certain (20-300cm) depth bounds by the present invention
Interior Ground-water level value, the precision lift change procedure of simulated groundwater position.
Brief description of the drawings
Fig. 1 is the growth chamber schematic diagram (vertical section) of adjustable Ground-water level.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail.
As shown in figure 1, building underground observation ward first in trial zone, according to growth case specification, set up deep
300cm, a width of 130cm are spent, length is 220cm underground observation ward, and growth case is installed on into observation ward one
Side, feed pipe 9 and the side of water level observation regulation pipe 7 are towards supply tank direction.Growth box planting thing to be done is planted
After the completion of plant, feed pipe 9 and the installation of water level observation regulation pipe 7 etc., water supply tube valve 8 is opened, water level is adjusted
The floating valve length of perpendicular in regulation pipe 7 is observed, Ground-water level is set.(1) maintained when needs are long-term
During certain level of ground water requirement, when moisture is because of the consumption of plant 1 and soil evaporation process loss in growth case 2,
Level of ground water accordingly declines, and triggers the internal buoyancy valve of water level observation regulation pipe 7 to decline, opens Water supply switch valve, to
Grow in case and supply water, after water level promoting in case is grown, floating valve floats, and closes and supplies water.It is possible thereby to tie up
Hold experiment and be maintained at certain level of ground water state for a long time.(2) when requirement of experiment level of ground water linearly changes,
By the adjustment of the floating valve length of perpendicular installed in water level observation pipe and unlatching/closing of penstock is released, if
The change numerical value of level of ground water lifting/lowering is put, and is manually set the duration, the linear change of level of ground water is obtained
Process.(3), can be with when causing that water level increases rapidly in growth case as occurred rainfall in process of the test
The method lowering of watertable of penstock 10 is released by opening (under the premise of water supply valve is closed).
Claims (9)
1. a kind of growth chamber of adjustable Ground-water level, it is characterised in that：Including growth chamber (2),
Level of ground water regulating system is connected with water system；Level of ground water regulating system includes water level observation regulation pipe
(7) and level control valve (6), water system includes water tank (11) and feed pipe (9)；
The container that growth chamber (2) is a upper end open, lower end is closed, drainage layer is equipped with container bottom,
Soil is equipped with to container upper open end on drainage layer；It is interior provided with screen casing feed pipe (3), the sieve in the drainage layer of container
Pipe feed pipe (3) one end is closed, and the other end is connected through feed pipe with the delivery port of water tank, in feed pipe (9) provided with confession
The through hole that more than 1 is offered on penstock (8), the tube wall of screen casing feed pipe (3) supplies water as apopore, and in screen casing
Gauze is enclosed with the outer tube wall for managing (3)；Water in water tank (11) is flowed into growth chamber by gravity；
Water level observation regulation pipe (7) is the straight tube of a both ends open being vertically arranged, and its lower port is connected with feed pipe
Logical, the lower port of water level observation regulation pipe (7) is in below drainage layer upper surface；
Level control valve (6) is floating valve or ball-cock assembly, and floating valve or the cursory of ball-cock assembly overhang water level sight by cotton rope
Examine in pipe.
2. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：Plant
Thing growth case (2) specification sets rectangular box, and material is more than thickness 4mm iron sheet or cement wall.
3. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：Institute
Growth chamber (2) bottom laying drainage layer is stated, drainage layer is the sand stone layer of more than 20cm thickness, the particle diameter of sandstone
For 1-2cm；Edge on experiment soil to casing is equipped with sand stone layer.
4. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：Institute
State one side bottom in the casing of growth chamber and at the 3-5cm of bottom, casing screen casing feed pipe (3), caliber are set
10-15cm, body upper water-out hole, aperture 3-5mm, body dresses outside gauze；
Described screen casing feed pipe (3) one end is provided with plug, and the other end is connected with feed pipe (9), and feed pipe passes through feed water valve
Door (8) is connected with water tank.
5. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：
The level of ground water regulating system includes water level observation regulation pipe (7) and level control valve (6), water level observation
Regulation pipe (7) is vertically installed on the feed pipe (9) parallel to growth chamber bottom, its lower open end
It is connected with feed pipe (9), the upper edge (referring to upper open end, upper end open is connected with air) of water level observation pipe
Highly exceed along (referring to upper open end) on growth case, water level observation pipe upper open end sets level control valve (6)
Support, support is provided with roll shaft (5), and level control valve is by floating valve control, and floating valve is cursory outstanding by cotton rope
(4) fall in water level observation pipe, during water level decreasing, because Action of Gravity Field triggers floating valve to move downward, water supply valve is opened in triggering
Signal；When water level is raised, because buoyancy triggers floating valve to move upwards, the signal of water supply valve is closed in triggering.
6. the growth chamber of adjustable Ground-water level according to claim 5, it is characterised in that：
Cursory is float or ball float.
7. the growth chamber of Ground-water level is can adjust according to claim 1 or 5, it is characterised in that：
The water level observation regulation pipe (7) is transparent toughened glass pipe.
8. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：Water
The delivery port of case (11) is arranged at water surface elevation in water tank bottom or bottom, water tank and is higher than delivery port, delivery port
Highly it is higher than growth chamber upper open end 50-100cm.
9. the growth chamber of adjustable Ground-water level according to claim 1, it is characterised in that：In
It is provided with the feed pipe being connected with screen casing feed pipe and releases penstock (10), releases intake-outlet axis, the screen casing of penstock (10)
Feed pipe axis and the feed pipe axis released between penstock (10) and screen casing feed pipe (3) are in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005883.4A CN106941947A (en) | 2016-01-06 | 2016-01-06 | A kind of growth chamber of adjustable Ground-water level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610005883.4A CN106941947A (en) | 2016-01-06 | 2016-01-06 | A kind of growth chamber of adjustable Ground-water level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106941947A true CN106941947A (en) | 2017-07-14 |
Family
ID=59465162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610005883.4A Pending CN106941947A (en) | 2016-01-06 | 2016-01-06 | A kind of growth chamber of adjustable Ground-water level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106941947A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459142A (en) * | 2018-05-22 | 2018-08-28 | 中国林业科学研究院林业新技术研究所 | A kind of ecological simulating apparatus for capableing of automatic control water level |
| CN109197234A (en) * | 2018-10-27 | 2019-01-15 | 杨孝其 | A kind of root system flowerpot integrating water and gravity watering |
| CN109884280A (en) * | 2019-04-08 | 2019-06-14 | 吉林大学 | Plant the quantitative response experimental system of silicon body microscopic geometry and soil phreatic surface |
| CN110146654A (en) * | 2019-05-30 | 2019-08-20 | 徐州市水利科学研究所 | A kind of flood stain comprehensive draining index Test device and its application method |
| CN113207475A (en) * | 2021-04-19 | 2021-08-06 | 北京林业大学 | Experimental device for research plant roots growth situation |
| CN115032369A (en) * | 2022-06-08 | 2022-09-09 | 成都理工大学 | Method for researching plant growth state and simulation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796358Y (en) * | 2005-05-09 | 2006-07-19 | 陈建 | Automatic watering ecological planting pot |
| CN201667879U (en) * | 2010-05-06 | 2010-12-15 | 中国农业大学 | Water level-controlling check irrigation device and quantitative check irrigation system |
| CN202372431U (en) * | 2011-12-26 | 2012-08-08 | 浙江大学城市学院 | Buoyancy type mechanical automatic control soil infiltration instrument |
| TW201302052A (en) * | 2011-07-11 | 2013-01-16 | Min-Zong Yang | Water and can be observed for the water level of the cultivation container |
| CN203672864U (en) * | 2014-01-20 | 2014-06-25 | 东北林业大学 | Root breath measuring system with soil water layer depth control function |
| CN204232024U (en) * | 2014-11-25 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of drip irrigation system with no pressure |
| CN205567201U (en) * | 2016-01-06 | 2016-09-14 | 中国科学院沈阳应用生态研究所 | Vegetation case of adjustable ground water level degree of depth |
-
2016
- 2016-01-06 CN CN201610005883.4A patent/CN106941947A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796358Y (en) * | 2005-05-09 | 2006-07-19 | 陈建 | Automatic watering ecological planting pot |
| CN201667879U (en) * | 2010-05-06 | 2010-12-15 | 中国农业大学 | Water level-controlling check irrigation device and quantitative check irrigation system |
| TW201302052A (en) * | 2011-07-11 | 2013-01-16 | Min-Zong Yang | Water and can be observed for the water level of the cultivation container |
| CN202372431U (en) * | 2011-12-26 | 2012-08-08 | 浙江大学城市学院 | Buoyancy type mechanical automatic control soil infiltration instrument |
| CN203672864U (en) * | 2014-01-20 | 2014-06-25 | 东北林业大学 | Root breath measuring system with soil water layer depth control function |
| CN204232024U (en) * | 2014-11-25 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of drip irrigation system with no pressure |
| CN205567201U (en) * | 2016-01-06 | 2016-09-14 | 中国科学院沈阳应用生态研究所 | Vegetation case of adjustable ground water level degree of depth |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459142A (en) * | 2018-05-22 | 2018-08-28 | 中国林业科学研究院林业新技术研究所 | A kind of ecological simulating apparatus for capableing of automatic control water level |
| CN109197234A (en) * | 2018-10-27 | 2019-01-15 | 杨孝其 | A kind of root system flowerpot integrating water and gravity watering |
| CN109884280A (en) * | 2019-04-08 | 2019-06-14 | 吉林大学 | Plant the quantitative response experimental system of silicon body microscopic geometry and soil phreatic surface |
| CN110146654A (en) * | 2019-05-30 | 2019-08-20 | 徐州市水利科学研究所 | A kind of flood stain comprehensive draining index Test device and its application method |
| CN113207475A (en) * | 2021-04-19 | 2021-08-06 | 北京林业大学 | Experimental device for research plant roots growth situation |
| CN115032369A (en) * | 2022-06-08 | 2022-09-09 | 成都理工大学 | Method for researching plant growth state and simulation device |
| CN115032369B (en) * | 2022-06-08 | 2023-08-08 | 成都理工大学 | Method for researching plant growth state and simulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106941947A (en) | A kind of growth chamber of adjustable Ground-water level | |
| CN107846851B (en) | Non-pressure irrigation device | |
| CN102160518B (en) | Novel non-pressure irrigation rig | |
| CN202471697U (en) | Buoyancy-type soil lysimeter | |
| CN205567201U (en) | Vegetation case of adjustable ground water level degree of depth | |
| CN105336257A (en) | Simulation device for underground water level changes and flooding and using method of simulation device | |
| CN104472323B (en) | Fully-automatic wall greening irrigation device and application method thereof | |
| CN203167652U (en) | Greening and planting system for saline and alkaline land | |
| CN107121533A (en) | A kind of experimental rig and its application method for simulating earth's surface SEA LEVEL VARIATION and alternation of wetting and drying | |
| CN105225600A (en) | Flow anomaly mechanism simulation experimental provision | |
| CN204090476U (en) | The ecology structure of improvement waters, river course degenerated soil | |
| CN203833703U (en) | Water level regulating valve set for constructed wetland | |
| CN109168381A (en) | The ground plane apertures conflux of prevention and treatment Soil Dried Layer enters infiltration method | |
| CN105489100A (en) | Diluvial fan underground water seepage simulation device | |
| CN101889488B (en) | Raw heavily-salinized soil reclamation method and device | |
| CN205296182U (en) | A punishment device that is used for non - excavation formula excavation side slope hole groove disease | |
| CN208965501U (en) | One kind being used for high precipitous rock slope Ecosystem restoration system | |
| CN207423906U (en) | The device that a kind of simulated groundwater position variation influences the discharge of wetland soil gas | |
| CN1963037A (en) | Method for controlling content of salt and alkali in basin tidal flat | |
| CN106759136B (en) | Bottom formula emptying gate and application method are inhaled in a kind of pond culturing system | |
| CN103098661B (en) | A kind of automatic oxygen based on farmland water level alleviates the device of crop stain evil | |
| Li et al. | Experiments on evaporation of high-tds phreatic water in an arid area | |
| CN110146654A (en) | A kind of flood stain comprehensive draining index Test device and its application method | |
| CN201726657U (en) | Device for changing protogenesis severe salinized soil into fertile farmland | |
| CN205124492U (en) | Cliff side slope pipe shape afforestation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170714 |