CN109220753A - A kind of soilless cultivation liquid-supplying system - Google Patents
A kind of soilless cultivation liquid-supplying system Download PDFInfo
- Publication number
- CN109220753A CN109220753A CN201810991719.4A CN201810991719A CN109220753A CN 109220753 A CN109220753 A CN 109220753A CN 201810991719 A CN201810991719 A CN 201810991719A CN 109220753 A CN109220753 A CN 109220753A
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- Prior art keywords
- nutrient solution
- water
- water pipe
- pond
- pronged connector
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 235000015097 nutrients Nutrition 0.000 claims abstract description 82
- 235000016709 nutrition Nutrition 0.000 claims abstract description 46
- 230000035764 nutrition Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000005496 tempering Methods 0.000 claims description 25
- 239000012530 fluid Substances 0.000 claims description 15
- 239000000872 buffer Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 68
- 241000196324 Embryophyta Species 0.000 description 16
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 241000209490 Nymphaea Species 0.000 description 2
- 235000016791 Nymphaea odorata subsp odorata Nutrition 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 244000199671 umbrella grass Species 0.000 description 2
- 235000005468 umbrella grass Nutrition 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
Abstract
The present invention provides a kind of soilless cultivation liquid-supplying systems, including mixing liquid system, the nutrition pond being set in planting shed；The mixed liquid system connects the nutrition pond by water pipe；Outdoor is provided with ecological pool；Nutrient solution in the nutrition pond is emitted into the ecological pool by water pipe after the water platform for flowing through planting plants；Interior kind of the ecological pool is implanted with remaining nutrient solution consumption plant；Temperature, pH value and EC value of the alarm device being arranged in nutrition pond for nutrient solution in real-time detection pond, once detect the temperature of nutrient solution, pH value or EC value beyond preset range, then it represents that nutrient solution generation is rotten, and buzzer sounds the alarm.Liquid-supplying system greatly improves the replacement and dispatching efficiency of nutrient solution, while avoiding manual operation bring risk；It is additionally arranged ecological pool, realizes nutrient solution zero-emission, avoids the ecological environment that nutrient solution destroys surrounding；Alarm device in nutrition pond can guarantee the quality of nutrient solution, improve the economic benefit of soilless cultivation.
Description
Technical field
The present invention relates to soilless cultivation relevant apparatus fields, more particularly to a kind of soilless cultivation liquid-supplying system.
Background technique
Water planting refers to that root system of plant is directly contacted with nutrient solution, without the cultural method of matrix.Earliest water planting is will to plant
Object root system is immersed in nutrient solution and is grown, and this mode will appear anoxia phenomenon, causes root system dead when serious, it is therefore desirable to timing
Nutrient solution is replaced, one is guaranteeing that nutrient solution is capable of providing enough oxygen, the second is the nutrition in nutrient solution can when exhausting
It is supplemented in time.
Existing hydroponic culture nutrition liquid supply system is to be provided separately one or more nutrition in planting greenhouse
Pond, and adopt manual type and mix the nutrition concentrated liquor of high concentration with water with special ratios, it is deployed into concentration appropriate
Nutrient solution be available to the plant of different growing stage.The shortcomings that the method is that there are the risks of manual operation careless mistake；Due to
Using the setting of multiple nutrition ponds, also results in when cleaning nutrition pond or replacement nutrient solution, require to expend the considerable time
With it is artificial, economic benefit is low.Nutrition pond in current planting shed is simple pond, and is not provided with safety detection and arranges
It applies, once nutrient solution is rotten, is then easily damaged the plant of plantation.And the waste liquid of the nutrient solution after use arbitrarily discharges or is
Random processing is simply put together, the ecological environment of surrounding is easily destroyed.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of soilless cultivation liquid-supplying system, by each planting shed it
Between be arranged a feed flow center, then connect the nutrition pond in each planting shed；Feed flow center is according to the plant in each planting shed
The growing state of object, the nutrient solution of concentration needed for configuring corresponding growth period, is delivered in planting shed for plant growth；Battalion in canopy
Feeding pond is provided with alarm device, sounds an alarm at once if there is the rotten situation of nutrient solution, ensure that the health of plant is raw
It is long.Ecological pool is increased, for collecting the nutrient solution after use, the planting plants in ecological pool are avoided around nutrient solution destroys
Ecological environment.
In order to reach above-mentioned technical effect, the present invention uses a kind of following scheme: soilless cultivation liquid-supplying system, including mixed liquid
System, is set to outdoor ecological pool at the nutrition pond being set in planting shed；The mixed liquid system connects the battalion by water pipe
Support pond；Nutrient solution in the nutrition pond is emitted into the ecological pool by water pipe after the water platform for flowing through planting plants；Institute
It states mixed liquid system and nutrition pond is provided with the pipeline for being directly communicated to the ecological pool；
The mixed liquid system includes scuttlebutt, fluid stopping device, tempering tank, nutrient solution tank, the first three-pronged connector and the two or three
Fork-join head；The scuttlebutt connects the first port of first three-pronged connector by water pipe；The of first three-pronged connector
Two-port netwerk connects the water inlet of the tempering tank by water pipe；The third port of first three-pronged connector connects institute by water pipe
State the first port of the second three-pronged connector；The water outlet of the tempering tank connects the second of second three-pronged connector by water pipe
Port；The third port of second three-pronged connector connects the nutrition pond；The nutrient solution tank is connected described mixed by water pipe
Close bucket；
The fluid stopping device is set between the scuttlebutt and first three-pronged connector, for preventing clear water from flowing back to
In scuttlebutt；Between first three-pronged connector and tempering tank, between first three-pronged connector and the second three-pronged connector and
Flow-stop valve is provided between the tempering tank and the second three-pronged connector；
Pressure pump is provided between the fluid stopping device and scuttlebutt and between tempering tank and nutrient solution tank.
Further, it is implanted with remaining nutrient solution consumption plant for interior kind of the ecological pool；Specifically, the remnants nutrient solution disappears
Consumption plant includes water lily, lotus and wheel umbrella grass.
Further, the fluid stopping device includes water inlet, choke cover, choke cover movable chamber, water outlet and buffer area；Institute
It states water inlet and is set to choke cover movable chamber bottom；The water outlet setting and choke cover movable chamber side；It is described
Setting buffers are in the top of the choke cover movable chamber；When clear water normally flows through the choke apparatus, the choke cover envelope
The buffer area is closed, clear water directly flows through choke cover movable chamber to water outlet from water inlet；When clear water is flow backwards, choke cover closing
Water inlet, clear water flow to buffer area.
Further, be provided with alarm device in the nutrition pond, including power supply, buzzer, switch, temperature sensor,
PH sensor, EC sensor and power supply relay；The power supply, buzzer and switch are connected into main line；The temperature sensing
Device, pH sensor, EC sensor and power supply relay are parallel to the main line respectively；The temperature sensor, pH sensor
With the bottom of pond of EC sensor setting and the nutrition pond.
Further, the tempering tank is plastic barrel；The flow-stop valve is plastic cement flow-stop valve；The three-pronged connector is plastic cement
Three-pronged connector and the water pipe are plastic cement water pipe；The nutrient solution tank is black plastic bucket.
Further, the water pipe that the mixed liquid system is connect with the nutrition pond is embedded in underground.
Planting shed includes seedling shed, production greenhouse and test canopy, and what is planted in seedling shed is plantling, needs the concentration of nutrient solution
It is lower；After plantling grows into certain degree then be transferred to production greenhouse in plant, the nutrient solution hereafter needed it is dense
Degree can gradually rise.Test canopy is then used for planting test, and the nutrient solution of each concentration requires.Feed flow center is according to each
The growing state of canopy implants is delivered to the nutrition pond in corresponding canopy after the nutrient solution to configure corresponding concentration；Wherein by nutrition pond
It is provided with suction pump, for conveying nutrient solution to nutrition pond.
In the configuration process of nutrient solution, required water and prototroph liquid measure are pre-installed in bucket and nutrient solution tank, benefit
It is pumped with first pressure and is delivered to clear water in tempering tank from bucket, the first flow-stop valve is opened at this time, second, third flow-stop valve closes
It closes；After the completion of clear water conveying, the first flow-stop valve is closed.Then second pressure pump is opened, and prototroph liquid is delivered to mixing
In bucket, the dilution of nutrient solution is completed.Second, third flow-stop valve is opened, the suction pump in corresponding canopy is then by configured nutrient solution
It is delivered in the nutrition pond of the canopy, for plant growth.
Temperature, pH value and EC value of the alarm device being arranged in nutrition pond for nutrient solution in real-time detection pond, once inspection
The temperature, pH value or EC value of nutrient solution are measured beyond preset range, then it represents that nutrient solution, which generates, to go bad, and buzzer sounds an alarm
Sound.
The waste liquid that remaining nutrient solution or cleaning system after using generate drains into ecological pool, by being planted in ecological pool
Interior plant consumes remaining nutrient solution.
Setting in this way, this liquid-supplying system greatly improve the replacement and dispatching efficiency of nutrient solution, avoid simultaneously
Manual operation bring risk；It is additionally arranged ecological pool, realizes nutrient solution zero-emission, avoids the ecological ring that nutrient solution destroys surrounding
Border；Alarm device in nutrition pond can guarantee the quality of nutrient solution, improve the economic benefit of soilless cultivation.
Detailed description of the invention
Fig. 1 is the module connection diagram of liquid-supplying system of the invention；
Fig. 2 is the structural schematic diagram of the mixed liquid system of liquid-supplying system；
State diagram when Fig. 3 is the fluid stopping device normal water delivery of mixed liquid system；
Fig. 4 is state diagram of the fluid stopping device of mixed liquid system in aqueous reflux；
Fig. 5 is the connection schematic diagram of alarm device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of water planting liquid-supplying system of vegetables, including being set to the mixed liquid system 1 at feed flow center, being set to
It seedling shed, production greenhouse and tests nutrition pond 2 in canopy, be set to outdoor ecological pool 3；Mixed liquid system 1 is connected by water pipe seeks
Pond 2 is supported, the nutrient solution in nutrition pond 2 is emitted into ecological pool 3 by water pipe after the water platform 4 for flowing through planting plants；Mixed liquid system
System 1 and nutrition pond 2 are provided with the pipeline for being directly communicated to ecological pool 3；Interior kind of ecological pool 3 is implanted with remaining nutrient solution consumption plant,
Specifically include water lily, lotus and wheel umbrella grass.
As shown in Fig. 2, mixed liquid system 1 includes scuttlebutt 11, fluid stopping device 12, tempering tank 13, first pressure pump 141, the
Two pressure pumps 142, nutrient solution tank 15, the first flow-stop valve 161, the second flow-stop valve 162, third flow-stop valve 163, the first three-pronged connector
171 and second three-pronged connector 172；Scuttlebutt 11 connects the first port of the first three-pronged connector 171 by water pipe；One or three fork-join
First 171 second port connects the water inlet of tempering tank 13 by water pipe；The third port of first three-pronged connector 171 passes through water pipe
Connect the first port of the second three-pronged connector 172；The water outlet 124 of tempering tank 13 connects the second three-pronged connector 172 by water pipe
Second port；The third port of second three-pronged connector 172 connects nutrition pond 2；Nutrient solution tank 15 connects tempering tank by water pipe
13。
Fluid stopping device 12 is set between scuttlebutt 11 and the first three-pronged connector 171, for preventing clear water from flowing back to clear water
In bucket 11；Specifically, as shown in Figure 3,4, fluid stopping device 12 include water inlet 121, choke cover 122, choke cover movable chamber 123,
Water outlet 124 and buffer area 125；Water inlet 121 is set to 123 bottom of choke cover movable chamber；The setting of water outlet 124 and choke cover
123 side of movable chamber；Buffer area 125 is set to the top of choke cover movable chamber 123；Clear water normally flows through shape when choke apparatus
For state as shown in figure 3, choke cover 122 closes buffer area 125, clear water directly flows through choke cover movable chamber 123 to out from water inlet 121
The mouth of a river 124；For state when clear water is flow backwards as shown in figure 4, choke cover 122 closes water inlet 121, clear water flow to buffer area 125.
First flow-stop valve 161 is set between the first three-pronged connector 171 and tempering tank 13；Second flow-stop valve 162 is set to
Between first three-pronged connector 171 and the second three-pronged connector 172；Third flow-stop valve 163 is set to tempering tank 13 and the two or three fork-join
Between first 172；Specifically, tempering tank 13, the first flow-stop valve 161, the second flow-stop valve 162, third flow-stop valve 163, the first trident
Connector 171, the second three-pronged connector 172 and water pipe are made of plastic material；Nutrient solution tank 15 is black plastic bucket；Due to nutrient solution
With certain corrosivity, the corrosivity of nutrient solution can be effectively avoided to bring using production means of delivery made of plastic material
Negative effect.
First pressure pump 141 is set between fluid stopping device 12 and scuttlebutt 11；Second pressure pump 142 is set to tempering tank
Between 13 and nutrient solution tank 15.
In the present embodiment, it mixes the water pipe that liquid system 1 is connect with nutrition pond 2 and is embedded in underground, so that direct sunlight be avoided to make
It is rotten at the nutrient solution in pipe.
In the present embodiment, it is provided with alarm device in nutrition pond 2, as shown in figure 5, including power supply 51, buzzer 52, opening
Close 53, temperature sensor 54, pH sensor 55, EC sensor 56 and power supply relay 57；Power supply 51, buzzer 52 and switch 53
It is connected into main line；Temperature sensor 54, pH sensor 55, EC sensor 56 and power supply relay 57 are parallel to main line respectively
Road；The bottom of pond of temperature sensor 54, pH sensor 55 and EC sensor 56 setting and nutrition pond 2.
What is planted in seedling shed is vegetable seedling, needs the concentration of nutrient solution lower；When vegetable seedling grow into certain degree it
It is then transferred to plantation in production greenhouse afterwards, the concentration of the nutrient solution hereafter needed can gradually rise.Test canopy is then used to carry out vegetable
The nutrient solution of dish planting experiment, each concentration requires.Feed flow center configures pair according to the growing state of each canopy implants
Answer the nutrition pond 2 being delivered to after the nutrient solution of concentration in corresponding canopy；It wherein is provided with suction pump by nutrition pond 2, for conveying battalion
In nutrient solution to nutrition pond 2.
In the configuration process of nutrient solution, required water and prototroph liquid are pre-installed in scuttlebutt 11 and nutrient solution tank 15
Clear water is delivered in tempering tank 13 by amount using first pressure pump 141 from scuttlebutt 11, and the first flow-stop valve 161 is opened at this time, the
Two, third flow-stop valve 163 is closed；After the completion of clear water conveying, the first flow-stop valve 161 is closed.Then second pressure pump 142 is opened
It opens, prototroph liquid is delivered in tempering tank 13, complete the dilution of nutrient solution.Open the second flow-stop valve 162, third flow-stop valve
163, configured nutrient solution is then delivered in the nutrition pond 2 of the canopy by the suction pump corresponded in canopy, for plant growth.
Temperature, pH value and EC value of the alarm device being arranged in nutrition pond 2 for nutrient solution in real-time detection pond, once inspection
The temperature, pH value or EC value of nutrient solution are measured beyond preset range, then it represents that nutrient solution generates rotten, the sending police of buzzer 52
Report sound；Specifically, perhaps pH value is less than or equal to 5.5 or is less than or equal to more than or equal to 6.5 or EC value when temperature is higher than 30 DEG C
1.0 or when being more than or equal to 1.5, indicate that nutrient solution is rotten, buzzer 52 sounds the alarm.
The waste liquid that remaining nutrient solution or cleaning system after using generate drains into ecological pool 3, by being planted in ecology
Plant in pond 3 consumes remaining nutrient solution.
In this way, this liquid-supplying system greatly improves the replacement and dispatching efficiency of the nutrient solution of soilless cultivation, avoid simultaneously
Manual operation bring risk；It is additionally arranged ecological pool, realizes nutrient solution zero-emission, avoids the ecological ring that nutrient solution destroys surrounding
Border；Alarm device in nutrition pond can guarantee the quality of nutrient solution, to guarantee plant energy healthy growth；Improve soilless cultivation
Economic benefit.
The above is a preferred embodiment of the present invention, it is noted that other include this soilless culture nutrient fluid feed flow
The technical solution of system, for those skilled in the art, without departing from the principles of the present invention,
Several improvements and modifications can also be made, these modifications and embellishments are also considered to be within the scope of the present invention.
Claims (6)
1. a kind of soilless cultivation liquid-supplying system, which is characterized in that including mixing liquid system, the nutrition pond being set in planting shed, setting
It is placed in outdoor ecological pool；The mixed liquid system connects the nutrition pond by water pipe；Nutrient solution in the nutrition pond is flowing
Pass through water pipe after water platform through planting plants and is emitted into the ecological pool；The mixed liquid system and nutrition pond are provided with directly
Lead to the pipeline of the ecological pool；
The mixed liquid system includes scuttlebutt, fluid stopping device, tempering tank, nutrient solution tank, the first three-pronged connector and the two or three fork-join
Head；The scuttlebutt connects the first port of first three-pronged connector by water pipe；The second end of first three-pronged connector
Mouth connects the water inlet of the tempering tank by water pipe；The third port of first three-pronged connector connects described by water pipe
The first port of two three-pronged connectors；The water outlet of the tempering tank connects the second end of second three-pronged connector by water pipe
Mouthful；The third port of second three-pronged connector connects the nutrition pond；The nutrient solution tank connects the mixing by water pipe
Bucket；
The fluid stopping device is set between the scuttlebutt and first three-pronged connector, for preventing clear water from flowing back to clear water
In bucket；Between first three-pronged connector and tempering tank, it is between first three-pronged connector and the second three-pronged connector and described
Flow-stop valve is provided between tempering tank and the second three-pronged connector；
Pressure pump is provided between the fluid stopping device and scuttlebutt and between tempering tank and nutrient solution tank.
2. a kind of soilless cultivation liquid-supplying system according to claim 1, which is characterized in that kind be implanted in the ecological pool residual
Remaining nutrient solution consumes plant.
3. a kind of soilless cultivation liquid-supplying system according to claim 1, which is characterized in that the fluid stopping device includes into water
Mouth, choke cover, choke cover movable chamber, water outlet and buffer area；The water inlet is set to choke cover movable chamber bottom；Institute
State water outlet setting and choke cover movable chamber side；The setting buffers are in the top of the choke cover movable chamber；When
When clear water normally flows through the choke apparatus, the choke cover closes the buffer area, and clear water directly flows through choked flow from water inlet
Lid movable chamber is to water outlet；When clear water is flow backwards, choke cover closes water inlet, and clear water flow to buffer area.
4. a kind of soilless cultivation liquid-supplying system according to claim 1, which is characterized in that be provided with police in the nutrition pond
Reporting device, including power supply, buzzer, switch, temperature sensor, pH sensor, EC sensor and power supply relay；The electricity
Source, buzzer and switch are connected into main line；The temperature sensor, pH sensor, EC sensor and power supply relay difference
It is parallel to the main line；The bottom of pond of the temperature sensor, pH sensor and EC sensor setting and the nutrition pond.
5. a kind of soilless cultivation liquid-supplying system according to claim 1, which is characterized in that the tempering tank is plastic barrel；
The flow-stop valve is plastic cement flow-stop valve；The three-pronged connector is plastic cement three-pronged connector and the water pipe is plastic cement water pipe；The battalion
Nutrient solution bucket is black plastic bucket.
6. a kind of soilless cultivation liquid-supplying system according to claim 1, which is characterized in that the mixed liquid system and the battalion
The water pipe for supporting pond connection is embedded in underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991719.4A CN109220753A (en) | 2018-08-29 | 2018-08-29 | A kind of soilless cultivation liquid-supplying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991719.4A CN109220753A (en) | 2018-08-29 | 2018-08-29 | A kind of soilless cultivation liquid-supplying system |
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| Publication Number | Publication Date |
|---|---|
| CN109220753A true CN109220753A (en) | 2019-01-18 |
Family
ID=65068771
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|---|---|---|---|
| CN201810991719.4A Pending CN109220753A (en) | 2018-08-29 | 2018-08-29 | A kind of soilless cultivation liquid-supplying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113615564A (en) * | 2021-07-21 | 2021-11-09 | 王爱玉 | Agricultural soilless culture system |
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2018
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