CN208739801U - Filtration irrigation device and plant cultivation system with the device - Google Patents
Filtration irrigation device and plant cultivation system with the device Download PDFInfo
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- CN208739801U CN208739801U CN201821407461.0U CN201821407461U CN208739801U CN 208739801 U CN208739801 U CN 208739801U CN 201821407461 U CN201821407461 U CN 201821407461U CN 208739801 U CN208739801 U CN 208739801U
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Classifications
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- 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
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- Hydroponics (AREA)
Abstract
The utility model discloses a kind of filtration irrigation devices, comprising: feed unit, for providing water or nutrient solution；Main pipeline connects feed unit and micro- osmos tube, is used for transmission water or nutrient solution；Only root water permeable membrane, for cultivated plant on it；Micro- osmos tube, is located at only root water permeable membrane lower section, and water or nutrient solution pass through the entire tube wall exudation of micro- osmos tube under pressure；Absorb water diffusion layer, and with micro- osmos tube and only root water permeable membrane is kept in contact.The invention also discloses the plant cultivation systems with the device.With micro- osmos tube and only, root water permeable membrane constitutes unique filtration irrigation device and plant cultivation system to the utility model, and plant and soil is completely isolated, without using droping irrigating pipe, does not also need using the sink for containing water or nutrient solution；Soil pollution can be completely cut off, the circular treatment for carrying out nutrient solution is not needed, prevent being excessively used for agriculture chemical, achieve the purpose that water-saving, section fertilizer, low energy consumption, low-loss, environmentally protective.
Description
Technical field
The utility model relates to plant cultivation technologies, particularly belong to a kind of filtration irrigation device and the plant culture with the device
System.
Background technique
Traditional soil plantation faces soil bring problems itself, such as different plot, different season, no
Kind plant together, different implantation methods etc. all can make the soil property of soil change, and the characteristic of to master soil needs all the year round
Experience accumulation and practice, therefore soil plants standardization and automation difficult to realize.Moreover, soil be easy by harmful bacteria,
Virus, remains of pesticide, heavy metal, salt and other pollutants etc. destroy, and soil once deteriorates, to make it restore just to need
Spend huge cost, a large amount of artificial and long times.In soil plantation, irrigation rig is right as important component part
The growth of kind plant plays a key effect.
Currently, common irrigation technique mainly includes following several:
1) flood irrigation is exactly irrigation water during stream is dynamic on planting plot, by gravity and capillarity moist soil,
Or the water layer of certain depth is established on plot, the irrigation method in soil is penetrated by gravity；This method behaviour
Make simple, but water consumption is big, and the utilization rate of water is very low, serious to the destruction of soil texture, this irrigation method gradually by
Replace and has the tendency that forbidding；
2) it sprays, is exactly to form small water droplet for above the water injection with certain pressure to the plantation plot of kind of plant
And it is scattering into the irrigation method on soil；Sprinkling irrigation equipment is usually by pressure water source, aqueduct and sprinkler composition, although this is one
The more advanced technology of kind, but the installation of sprinkling irrigation equipment and construction and maintenance are all more complicated, and due to conventional sprinkling irrigation
The range of spray head is larger, and generally all at 7 meters or more, institute in this way generally can only be in the biggish region of cultivated area for overlay area
Middle use；
3) pipe fills, exactly irrigation water is immediately directed against kind by manually dilatory water-supply-pipe (such as moccasin pipe, hose etc.)
Plant the method in plot；This method is easy to operate, and effect is better than flood irrigation, but workload is very big, and irrigation effect is completely dependent on
The experience of grower, it is very high to the technical requirements of grower, it is easy to appear that irrigation water distribution is uneven, irrigation water excessively causes wave
Take, water is too strong to the impact of soil and crop, soil texture destroys the problems such as serious.
4) trickle irrigation is proposed and is developed by Israel earliest, and the irrigation water for having certain pressure is exactly passed through pipeline and pipeline
The method that water dropper or pipeline with small holes drop by drop instill soil near plant root, this irrigation technique, which has, to be saved
Water, laborsaving, province's fertilizer, irrigation is uniform, is conducive to the advantages of keeping soil aggregate structure and plant absorption, in recent years by increasingly
More attention, use scope constantly expand, but the original dropper of good Israel is expensive, and equipment installation is more complicated,
Higher to the level requirements in soil, it is uneven that dotted water outlet easily causes soil moisture, and on the apopore or pipeline on water dropper
Apopore is easy to be blocked, is unfavorable for safeguarding.
At present there are also a kind of although relevant issues that water planting planting technology solves the plantation of above-mentioned soil, but equipment investment
Huge and water consumption, consumption fertilizer, energy consumption.Moreover, because the root system long period of soaking of plant is in nutrient solution, if nutrient solution by bacterium,
If virus etc. pollutes, plant is easily caused extensive disease occur, therefore hydroponic system needs to carry out nutrient solution circulation and disappears
Poison and filtering, this is undoubtedly also an expensive equipment investment.In addition, for hydroponic plant, it can milli in hydroponic system
Extract water and nutrient without barrier, although yield can be improved, because being unable to get Gao Pin without thirsty water stress
The crop of matter, good taste, the nutritive value and mouthfeel for planting plant are all affected.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of filtration irrigation device and the plant culture system with the device
System can overcome the defect of defect and water planting plantation that irrigation technique is commonly used in soil plantation.
In order to solve the above technical problems, the filtration irrigation device of the utility model, comprising:
Feed unit, for providing water or nutrient solution；
Main pipeline connects feed unit and micro- osmos tube, is used for transmission water or nutrient solution；
Only root water permeable membrane, for cultivated plant on it；
Micro- osmos tube is located at below only root water permeable membrane, and water or nutrient solution pass through the entire of micro- osmos tube under pressure
Tube wall exudation；
Absorb water diffusion layer, and with micro- osmos tube and only root water permeable membrane, which is respectively formed, contacts.
Further, the water suction diffusion layer is non-woven fabrics.Preferably, the non-woven fabrics is laid on micro- osmos tube and only root
Between water permeable membrane and/or below micro- osmos tube.
Further, the only root water permeable membrane has micron order or nanoscale through-hole, and the aperture of the through-hole, which is less than, plants
The tip of a root diameter of object new root.
Further, the only root water permeable membrane is made of hydrophilic material or surface is coated with condensate agent, water or nutrient solution
It is not flowed on the surface of only root water permeable membrane.Alternatively, the only root water permeable membrane is made of non-hydrophilic material and surface is uncoated solidifying
The surface flow of aqua, water or nutrient solution in only root water permeable membrane.
Further, nanoscale apopore is distributed in the tube wall of micro- osmos tube.
Further, the filtration irrigation device further includes pressurizing device, and the pressurizing device is integrated with feed unit,
Or pressurizing device is mounted on the junction of main pipeline and feed unit or the junction of main pipeline and micro- osmos tube.
In addition, the present invention also provides a kind of plant cultivation system, including filtration irrigation device above-mentioned, further includes:
Field frame, is placed on the ground；
Water barrier is laid in field frame；
Matrix is covered on the permeable film surface of only root, is used for serike.
Further, micro- osmos tube is laid in plant root lower straight.Alternatively, the curved type of micro- osmos tube
Around plant root, and adjacent micro- osmos tube is connected by impermeable subsidiary conduit.
Compared with prior art, the utility model has the beneficial effects that:
1) plant cultivation system of the utility model is completely isolated by plant and soil, without using droping irrigating pipe, also not
It needs using the sink for containing water or nutrient solution；
2) the utility model can completely cut off soil pollution, do not need the circular treatment for carrying out nutrient solution, prevent agriculture chemical
Be excessively used, achieve the purpose that water-saving, section fertilizer, low energy consumption, low-loss, environmentally protective；
3) normalizing operation and intelligentized control method may be implemented in the filtration irrigation device of the utility model, finally obtain high-quality,
The agricultural product of high yield.
Detailed description of the invention
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
Fig. 1 is a kind of schematic diagram of the first embodiment of the plant cultivation system of the utility model；
Fig. 2 is another schematic diagram of the first embodiment of the plant cultivation system of the utility model；
Fig. 3 is the schematic diagram of the second embodiment of the plant cultivation system of the utility model；
Fig. 4 is a kind of schematic layout pattern of micro- osmos tube in the filtration irrigation device of the utility model；
Fig. 5 is another schematic layout pattern of micro- osmos tube in the filtration irrigation device of the utility model.
Wherein the reference numerals are as follows:
1 is micro- osmos tube；Root water permeable membrane until 2；3 be water barrier；4 be matrix；5 be field frame；6 be field planting plate；7 are
Non-woven fabrics.
Specific embodiment
A specific embodiment of the invention is provided below in conjunction with attached drawing, but the present invention is not limited to the following embodiments and the accompanying drawings,
According to following specification and claims, advantages and features of the invention will be become apparent from.It should be noted that.Attached drawing is adopted
With very simplified form, and use non-accurate ratio, be only used for conveniently, lucidly aid in illustrating the embodiment of the present invention
Purpose.
The filtration irrigation device of the utility model mainly includes as shown in Figure 1 and Figure 2 feed unit (not shown), supervisor
Road (not shown), only root water permeable membrane 2, micro- osmos tube 1 and water suction diffusion layer.Wherein, feed unit is for providing water or battalion
Nutrient solution (is configured according to setting ratio and ingredient) according to the actual situation, and main pipeline connects feed unit and micro- osmos tube 1, is used for
Transmit water or nutrient solution.
Only root water permeable membrane 2, water penetration and soil are close, are used for cultivated plant thereon, which has micron order or nanoscale
Through-hole, it is ensured that air, moisture and nutritional ingredient penetrate, and will not upset the biological nature of plant, while on the film
Through-hole aperture be less than plant new root tip of a root diameter, root system of plant can be prevented to pass through.
Only there are three types of structures for root water permeable membrane 2, the first is that surface is coated with condensate agent, and nutrient solution is in only root water permeable membrane 2
It does not flow on surface；Second is made of hydrophilic material, and nutrient solution does not flow on the surface of only root water permeable membrane 2；The third
It is to be made of non-hydrophilic material and surface does not have a condensate agent, nutrient solution is in flow regime on the surface of only root water permeable membrane 2.This
Field technical staff can stop root water permeable membrane 2 according to different plant characteristics and Plant plane selection accordingly.
Micro- osmos tube 1 is located at only 2 lower section of root water permeable membrane, tube wall and nanoscale apopore is distributed with, and water or nutrient solution exist
Pressure effect is lower to be oozed out by the entire tube wall of micro- osmos tube 1.Micro- osmos tube 1 is using the thermoplasticity high score with film forming
Subtree rouge polyethylene is main material (it is of course also possible to the macromolecule resin material for being substituted for other same performances), with nanometer
Grade inert filler is pore former with surfactant, micro- osmos tube of semi-transparent film character is made as pore-forming agent carrier.Specifically
Ground, the nanoscale inert filler and macromolecule resin polyethylene for being loaded with surfactant mix and carry out high-temperature shaping, and high temperature is fixed
Nanoscale inert filler overflows under the action of surfactant when type, to form nanoscale apopore.Hydrone or battalion
It forms point nano-pore passed through on micro- infiltration tube wall gradually to migrate outward, wetting body is formed around micro- osmos tube 1, by this
The utilization efficiency of moisture and nutrient can be improved in micro- osmos tube 1, reduces evaporation and water consumption, the nutrient of liquid manure is made directly to reach plant
Object root system improves crop quality, increasing both production and income.
Absorb water diffusion layer, contacted with micro- osmos tube 1, and with only root water permeable membrane 2 completely attach to or localized contact, preferably,
The water suction diffusion layer is non-woven fabrics 7.
Above-mentioned filtration irrigation device further includes pressurizing device (such as booster pump), and the pressurizing device can be integrated with feed unit
Together, or it is directly installed on the junction of main pipeline and feed unit or the junction of main pipeline and micro- osmos tube, may be used also
To be mounted on the junction of several main pipelines.
It further include field frame 5, water barrier as shown in Figure 1 and Figure 2 in plant cultivation system with above-mentioned filtration irrigation device
3 and matrix 4, wherein field frame 5 is placed on ground (soil or mattess etc.), and water barrier is laid on field frame 5
In and directly contact with field frame 5, micro- osmos tube 1 is located at 3 top of water barrier, and matrix 4 is covered on only 2 surface of root water permeable membrane,
For fixing the root system of plant.
In addition, can also include field planting plate 6 in plant cultivation system, it be placed on 4 top of matrix, for preferably fixing
Plant.
In order to realize the normalizing operation and intelligentized control method of plant cultivation system, it can also configure control unit and detection be single
Member can monitor the supply situation of water and nutrient solution by the detection unit, and realize intelligent control by control unit, for
For those skilled in the art, it can configure, be not described in detail here according to the actual situation.
Using a micro- osmos tube 1 (preferably, micro- osmos tube 1 is located at field in plant cultivation system shown in FIG. 1
Center), and three micro- osmos tubes 1 are then set in plant cultivation system shown in Fig. 2, those skilled in the art can in practical application
Any number of micro- osmos tube is arranged according to the characteristic of planting plants and Plant plane, this is apparent and easy
It may be implemented, therefore herein with no restrictions.
First embodiment
In Fig. 1, plant cultivation system shown in Fig. 2, the non-woven fabrics 7 as water suction diffusion layer is located at only 2 He of root water permeable membrane
Between micro- osmos tube 1, which can be bonded completely with only root water permeable membrane 2, can also partially be bonded.
It is provided according to the nutrient solution that setting ratio is prepared by feed unit and passes through main pipeline into micro- osmos tube 1, moisture
And nutrient makees quantitative film of unidirectionally getting over and moves and slowly ooze out, the capillarity through non-woven fabrics 7, uniformly penetrating crosses only root water permeable membrane
2.The Root Distribution of plant draws the moisture and nutrient solution for penetrating only root water permeable membrane 2 on only root water permeable membrane 2.
The tube wall surface of micro- osmos tube 1 is as the skin perspiration of human body, sepage everywhere, and because is slowly to seep
Out, so sepage speed is easier to match with the rate of liquid aspiration of plant, not will form hydrops phenomenon, reduce position set by field into
Row Land leveling or the cost that level trough is set.
Micro- osmos tube 1 is using the apopore on tube wall as exhalant canal, since the micropore flow resistance of minor diameter is very big, leads to
Amount is about 1 the percent of millimeter grade hole, and small liquid outlet quantity makes the pressure drop inside micro- osmos tube 1 almost negligible not
Meter, therefore micro- osmos tube 1 has pressure transfer function, the pressure for being applied to micro- osmos tube one end can almost be transmitted undampedly
To the other end, this allows for the filtration irrigation device constructed by micro- osmos tube similar to a static-pressure system, and we term it quasi- static pressure
System.According to physics principle, in static-pressure system, the pressure that each point is subject on sustained height is equal, if therefore liquid reserve tank
Liquid level is 2 meters, then the pressure that every micro- osmos tube 1 is experienced on field is identical, it is 2 meters of fluid columns.Due to pressure equilibrium one
It causes, therefore the water yield of every micro- 1 unit time of osmos tube is consistent, so that irrigation quality significantly improves, irrigation uniformity is reachable
0.95, than the irrigation uniformity Cn=O.70 high of trickle irrigation code requirement.Entire filtration irrigation device keeps the mode of constant irrigation, pressure
Power can be adjusted by pressurizing device or pressure reducing valve or constant pressure pump etc..
In growing process, the hydrotropism of root system of plant makes newborn root system can easily find water source, in trickle irrigation process
In, if pipeline is located in the ground, newborn root system is easy to be wrapped on pipeline, causes water-pipe blockage, systemic breakdown is this
Phenomenon is commonly referred to as " toxicity bioassay ", this is the problem for comparing headache in trickle irrigation.In the present embodiment, using only root water permeable membrane
2 can well solve the problem.New root tip of a root diameter is generally 3~5 microns, than stopping the aperture in root water permeable membrane 2 greatly very
It is more, although new root can find micro- osmos tube 1, but can not penetrate only root water permeable membrane 2, in turn under hydrotropism's driving
The outer wall of micro- osmos tube 1 can not be wrapped in.
Second embodiment
In the present embodiment, the non-woven fabrics 7 as water suction diffusion layer is located at micro- 1 lower section of osmos tube, as shown in figure 3, planting
In object cultivation system, between micro- osmos tube 1 and water barrier 3, only root water permeable membrane 2 can simultaneously with micro- osmos tube 1 and nothing
Woven fabric 7 contacts.When non-woven fabrics 7 is laid on micro- 1 lower section of osmos tube, it can preferably absorb and slowly be oozed out by micro- osmos tube 1
Liquid, to more efficiently utilize water and nutrient solution.
3rd embodiment
In conjunction with first embodiment and second embodiment, in the present embodiment, the non-woven fabrics 7 as water suction diffusion layer is set simultaneously
Below micro- osmos tube 1 and micro- osmos tube 1 and only between root water permeable membrane 2, this structure for a person skilled in the art can be with
Easily expect and realize, therefore briefly describes herein.
In the above three embodiments, distribution form of micro- osmos tube 1 in field can be arranged as the case may be such as
Under:
1) micro- osmos tube 1 is of a straight line type laying below plant root, as shown in figure 4, being primarily suitable for cultivated crop point
The case where cloth is than comparatively dense；
2) micro- osmos tube 1 curved type below plant root surrounds plant root, and adjacent micro- osmos tube is by non-
Subsidiary conduit connection is permeated, spacing between cultivated crop is larger and plant needs accurate feed flow as shown in figure 5, being primarily adapted for use in
The case where.
Certainly, those skilled in the art simply can be changed or be combined based on above two distribution form, this is all
Belong to the protection scope of the utility model.
It should be noted that drip irrigation pipe can also be arranged in the top of only root water permeable membrane 2 in the utility model, or can incite somebody to action
The micro- osmos tube in part is arranged above only root water permeable membrane.To carry out the required moisture and nutrient solution of auxiliary supplement to plant, this
To those skilled in the art, it is readily conceivable that, therefore briefly describes herein.
With micro- osmos tube and only, root water permeable membrane constitutes unique filtration irrigation device to the utility model, provides for industrialized agriculture
More preferably plant solution.Compared to soil cultivation, the utility model is more stable and reliable, provide good replicability and
Controllability.Planted compared to traditional water planting, the usage amount of water and fertilizer is greatly decreased in the utility model, and irrigate process by
In thirsty water stress can be applied, so the agricultural product of high-quality can be planted out, stable output is obtained.It is filled compared to dropper
Irrigate, in the utility model the cylindric slow sepage of micro- osmos tube entirety than it is dotted go out liquid more evenly, and continuous micro be discharged
It can be absorbed in time by plant and not allow to easily cause ponding, the requirement to prepartion of land degree can be reduced.
Meanwhile the problem of micro- osmos tube results in blockage is wound using can solve root system of plant after only root water permeable membrane, make to plant
It plants layer and soil is completely isolated, the liquid manure of pouring will not be through soil losses but the overwhelming majority is absorbed by plants.Micro- osmos tube is permanent
It presses irrigation method that can carry out more accurately control water according to the actual demand amount of plant to irrigate, is more advantageous to the growth of crops,
It economically reduces resource waste, is environmentally penetrated into soil without liquid manure, secondary pollution will not be generated.
The utility model is described in detail above by specific embodiment, which is only that this is practical new
The preferred embodiment of type not limits the utility model.In the case where not departing from the utility model principle, ability
The equivalent replacement and change that the technical staff in domain makes the position etc. of the quantity and distribution form of micro- osmos tube, the diffusion layer that absorbs water
Into being regarded as in the technology scope that the utility model is protected.
Claims (11)
1. a kind of filtration irrigation device characterized by comprising
Feed unit, for providing water or nutrient solution；
Main pipeline connects feed unit and micro- osmos tube, is used for transmission water or nutrient solution；
Only root water permeable membrane, for cultivated plant on it；
Micro- osmos tube, is located at only root water permeable membrane lower section, and water or nutrient solution pass through the entire tube wall of micro- osmos tube under pressure
Exudation；
Absorb water diffusion layer, and with micro- osmos tube and only root water permeable membrane, which is respectively formed, contacts.
2. filtration irrigation device according to claim 1, which is characterized in that the water suction diffusion layer is non-woven fabrics.
3. filtration irrigation device according to claim 2, which is characterized in that the non-woven fabrics is laid on micro- osmos tube and only root is saturating
Between moisture film and/or below micro- osmos tube.
4. filtration irrigation device according to claim 1, which is characterized in that the only root water permeable membrane has micron order or nanoscale
Through-hole, the aperture of the through-hole is less than the tip of a root diameter of plant new root.
5. filtration irrigation device according to claim 1, which is characterized in that the surface of the only root water permeable membrane is coated with condensate
Agent, water or nutrient solution do not flow on the surface of only root water permeable membrane.
6. filtration irrigation device according to claim 1, which is characterized in that the only root water permeable membrane is made of hydrophilic material,
Water or nutrient solution do not flow on the surface of only root water permeable membrane.
7. filtration irrigation device according to claim 1, which is characterized in that the only root water permeable membrane is made of non-hydrophilic material
And the uncoated condensate agent in surface, water or nutrient solution are in the surface flow of only root water permeable membrane.
8. filtration irrigation device according to claim 1, which is characterized in that nanoscale is distributed in the tube wall of micro- osmos tube
Apopore.
9. filtration irrigation device according to claim 1, which is characterized in that it further include pressurizing device, the pressurizing device and confession
It is integrated to unit or pressurizing device is mounted on junction or main pipeline and the micro- osmos tube of main pipeline and feed unit
Junction.
10. a kind of plant cultivation system characterized by comprising
Field frame, is placed on the ground；
Water barrier is laid in field frame；
Any filtration irrigation device as described in claim 1~9, wherein micro- osmos tube is located above water barrier；
Matrix is covered on the permeable film surface of only root, is used for serike.
11. plant cultivation system according to claim 10, which is characterized in that micro- osmos tube is below plant root
Straight line is laid with or the curved type of micro- osmos tube is around plant root and adjacent micro- osmos tube is connected by impermeable subsidiary conduit
It connects.
Priority Applications (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235550A (en) * | 2019-07-17 | 2019-09-17 | 碧菲分离膜（大连）有限公司 | A kind of circular slight irrigation and soil improvement system |
| CN110338043A (en) * | 2019-08-05 | 2019-10-18 | 赵子奇 | A membrane-regulated farmland moistening and irrigation body and its applicable volume structure |
| CN110651705A (en) * | 2019-11-18 | 2020-01-07 | 湖南沙帮智慧农业服务有限公司 | Novel soilless culture device |
| CN110892804A (en) * | 2019-12-05 | 2020-03-20 | 深圳市奥城景观工程设计有限公司 | Garden planting soil improvement method |
| CN112219702A (en) * | 2020-10-24 | 2021-01-15 | 山东汇金海智慧农业研究院有限公司 | Vegetable sand culture planting method and planting system thereof |
| CN115039679A (en) * | 2022-06-20 | 2022-09-13 | 江南大学 | Antigravity directional water guide bionic water-saving irrigation device and method |
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2018
- 2018-08-30 CN CN201821407461.0U patent/CN208739801U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235550A (en) * | 2019-07-17 | 2019-09-17 | 碧菲分离膜（大连）有限公司 | A kind of circular slight irrigation and soil improvement system |
| CN110338043A (en) * | 2019-08-05 | 2019-10-18 | 赵子奇 | A membrane-regulated farmland moistening and irrigation body and its applicable volume structure |
| CN110651705A (en) * | 2019-11-18 | 2020-01-07 | 湖南沙帮智慧农业服务有限公司 | Novel soilless culture device |
| CN110892804A (en) * | 2019-12-05 | 2020-03-20 | 深圳市奥城景观工程设计有限公司 | Garden planting soil improvement method |
| CN112219702A (en) * | 2020-10-24 | 2021-01-15 | 山东汇金海智慧农业研究院有限公司 | Vegetable sand culture planting method and planting system thereof |
| CN115039679A (en) * | 2022-06-20 | 2022-09-13 | 江南大学 | Antigravity directional water guide bionic water-saving irrigation device and method |
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