CN213245873U - Water balance control system for lemon planting - Google Patents
Water balance control system for lemon planting Download PDFInfo
- Publication number
- CN213245873U CN213245873U CN202021673986.6U CN202021673986U CN213245873U CN 213245873 U CN213245873 U CN 213245873U CN 202021673986 U CN202021673986 U CN 202021673986U CN 213245873 U CN213245873 U CN 213245873U
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- water
- planting
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- soil
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 244000248349 Citrus limon Species 0.000 title claims abstract description 81
- 235000005979 Citrus limon Nutrition 0.000 title claims abstract description 81
- 239000002689 soil Substances 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 241000196324 Embryophyta Species 0.000 claims abstract description 22
- 238000003973 irrigation Methods 0.000 claims description 18
- 230000002262 irrigation Effects 0.000 claims description 18
- 238000005086 pumping Methods 0.000 claims description 12
- 230000009194 climbing Effects 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 2
- 235000015097 nutrients Nutrition 0.000 description 21
- 230000012010 growth Effects 0.000 description 16
- 230000004720 fertilization Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical compound [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035558 fertility Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 235000019614 sour taste Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Images
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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The utility model discloses a water balance control system for lemon is planted, including planting pond, accuse water installation, it comprises a plurality of planting frames to plant the pond, gets up the planting area circle of lemon tree, accuse water installation is including accuse water tank and two soil filtering plates, adjusts the humidity of near the soil in lemon root through the inside sponge that absorbs water, the utility model discloses can absorb and emit moisture according to the water content of near the earth in device, the water content of near the soil in control lemon root is relatively stable, satisfies the lemon and grows required, guarantees the quality of the lemon of planting.
Description
Technical Field
The utility model belongs to the technical field of soil accuse water, concretely relates to water balance control system for lemon is planted.
Background
The planting is plant cultivation, including cultivation of various crops, woods, fruit trees, flowers and plants, medicinal and ornamental plants and the like, and comprises grain crops, economic crops, vegetable crops, green manure crops, feed crops, pasture and the like. .
Lemon is a fruit with more pungent smell, and has more beneficial effects and more pungent sour taste, so the lemon is often used as a seasoning, lemon trees like softer fertile soil, the water storage property of the softer soil is weaker, the water drainage property is stronger, water after irrigation can quickly flow away, a lot of water is wasted, and the lemon trees can not absorb enough water for growth, so that the quality of the lemon can be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water balance control system for lemon is planted for solve the technical problem who exists among the prior art, if: lemon is a fruit with more pungent smell, and has more beneficial effects and more pungent sour taste, so the lemon is often used as a seasoning, lemon trees like softer fertile soil, the water storage property of the softer soil is weaker, the water drainage property is stronger, water after irrigation can quickly flow away, a lot of water is wasted, and the lemon trees can not absorb enough water for growth, so that the quality of the lemon can be influenced.
In order to achieve the above object, the utility model adopts the following technical scheme:
a water balance control system for lemon planting comprises a planting pool and a water control device;
the planting pool is composed of a plurality of planting frames, the planting frames are square frame bodies, openings of the planting frames are buried in soil upwards, lemons are planted in the soil in the planting frames, the planting frames are convenient to conduct water retention and fertilization treatment on the soil in the planting frames, loss of water and nutrients can be effectively reduced, the upper and lower open ends of the planting frames are provided with extending plates with bolt holes, the extending plates are used for being fixed mutually, the planting frames are connected in a overlapped mode through bolts, an operator can select enough quantity according to the root pricking depth of roots of varieties of the planted lemons, the planting frames provide a proper environment for growth of the lemons, and the planting frames are communicated with a cavity in the middle of the planting frames;
the water control device comprises a water control tank and two soil filtering plates, the water control tank is a hollow box body and is matched with the planting frames in size, the water control tank is arranged between any two planting frames through bolts, the depth of the water control tank is set according to the variety selection of the lemon, on one hand, the water control tank is prevented from blocking the normal growth of the root system of the lemon, on the other hand, the soil with the proper depth of the root system of the lemon can be guaranteed to be wet all the time, the requirement of the lemon for growth is met, a plurality of holes for water flow to pass through are formed in the upper surface and the lower surface of the water control tank, the two soil filtering plates are arranged in the water control tank and close to the upper end and the lower end of the water control tank, the two soil filtering plates are used for guaranteeing that the space for placing water absorbing sponge is unchanged, the water absorbing sponge is prevented from being extruded by soil to cause, irrigate the back the sponge that absorbs water in the accuse water tank can get up unnecessary moisture storage, avoids lemon root earth too moist to influence the lemon and grows, when lemon root system earth water content is lower, the moisture of sponge in the accuse water tank can promote the water content of earth in the infiltration earth, and it is required to satisfy the growth of lemon, guarantees that the lemon is difficult for appearing the hydropenia phenomenon among the growth process, guarantees the quality of lemon.
Further, still include and climb and attach the board, climb and attach the board for be used for the adnexed frame construction of plant root system and with plant frame size adaptation, it places arbitrary to climb and attach the board in planting the frame, it sets up in the required suitable degree of depth of lemon root growth, provides the main part that can supply it to climb for the root of lemon, lets the lemon more firm, is difficult for tumbling under the influence of strong wind.
Further, still include the water catch bowl, the water catch bowl is top open-ended cell body, water catch bowl and opening with plant the mutual adaptation of frame, water catch bowl bottom center is provided with the hole that is used for leaking, sets up the water catch bowl can avoid moisture and nutrient from being located the bottom plant a large amount of losses of frame bottom opening, play certain storage effect, can reduce the frequency that artifical fertilization was watered.
Further, still include a plurality of ground of grabbing nails, the catch basin bottom is connected with a plurality of ground of grabbing nails, the reinforcing the stability of catch basin position avoids the catch basin takes place the skew of position under the combined action of the pressure of earth and the buoyancy of moisture.
Further, still include a plurality of location stock, it is a plurality of location stock one end is connected and is being located the bottommost plant frame outside side, it is a plurality of the location stock other end is buried underground in earth, and the reinforcing is located the bottommost the stability of the position of planting the frame avoids being located the bottommost the skew of planting the frame emergence position under the combined action of the pressure of earth and the buoyancy of moisture is followed deviate from in the water catch bowl, guarantee the water catch bowl with be located the bottommost plant frame relative position's stability.
Further, still include collecting vat and sedimentation tank, the collecting vat is connected water catch bowl bottom hole department, the collecting vat pass through the pipeline with the sedimentation tank links to each other, will plant the moisture that runs off in the pond and collect and deposit again, will contain the moisture of nourishment after getting rid of a large amount of earth that contains in this part moisture and carry out reuse, avoid the waste of resource.
Further, still include filtering ponds, filter screen and active carbon, the filter screen sets up the filtering ponds middle part, the filter screen will the filtering ponds is separated for two upper and lower cavitys, the export of sedimentation tank pass through the pipeline with filtering ponds lower part cavity links to each other, and the water that is utilized again all will be got rid of the impurity that probably contains in the aquatic through the filtration of filter screen, and is a plurality of the active carbon is placed filtering ponds below cavity, the active carbon can adsorb the showy particulate matter in aquatic, further purifies the water of circulation usefulness.
Further, still include pumping device and a plurality of pipe of driping irrigation, pumping device's water inlet sets up the upper portion cavity of filtering ponds, it is a plurality of drip irrigation the pipe setting and being located topmost plant the soil top layer in the frame, it is a plurality of drip irrigation the pipe pass through the pipeline with pumping device links to each other, pumping device is used for being a plurality of drip irrigation the pipe water supply, and the method of driping irrigation can furthest's reduction irrigated total water consumption keep the humidity of soil, and the vegetation of being convenient for carries out cyclic utilization with the reclaimed water, and the nourishment that contains in the reclaimed water can also promote soil fertility, reduces artificial fertilization's frequency.
The utility model has the beneficial technical effects that: (1) after irrigation is carried out, the water absorption sponge in the water control tank can store redundant water, the situation that the lemon grows due to the fact that soil at the root of the lemon is too wet is avoided, when the water content of the soil at the root of the lemon is low, the water of the sponge in the water control tank can penetrate into the soil to improve the water content of the soil, the requirement for the lemon to grow is met, the phenomenon of water shortage is not prone to occur in the lemon growing process, and the quality of the lemon is guaranteed;
(2) the depth of the water control tank is selected according to the variety of the lemons, so that the situation that the water control tank blocks the normal growth of the root systems of the lemons is avoided on one hand, and on the other hand, the situation that the soil with proper root system depth of the lemons can be wet all the time is ensured, and the requirement of the growth of the lemons is met;
(3) plant the frame opening and bury underground in earth up, the lemon is planted in planting the earth in the frame, be convenient for right the earth of planting in the frame carries out the processing of guarantor's water and fertilization, can the loss of effectual reduction moisture and nutrient.
(4) An operator can select a sufficient number of the planting frames according to the root depth of the root system of the planted lemon variety to provide a suitable environment for the growth of the lemon.
Drawings
Fig. 1 shows the overall structure of the present invention.
Fig. 2 shows a schematic diagram of the extension plate structure of the planting frame of the present invention.
Fig. 3 is a schematic top view of the water control tank of the present invention.
Fig. 4 shows a cross-sectional view of the element distribution device of the present invention.
Fig. 5 is a top view of the climbing plate of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-5 of the present invention, and it should be apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a water balance control system for lemon planting comprises a planting pool, a water control device and an element distribution device;
as shown in fig. 2, the planting pond is composed of a plurality of planting frames 1, the planting frames 1 are square frames, openings of the planting frames 1 are buried in soil upwards, lemons are planted in the soil in the planting frames 1, the soil in the planting frames 1 is convenient to treat water and fertilizer, loss of moisture and nutrients can be effectively reduced, extension plates with bolt holes and used for being fixed to each other are arranged at the upper and lower opening ends of the planting frames 1, the planting frames 1 are connected in an overlapped mode through bolts, an operator can select enough planting frames 1 according to root pricking depths of roots of planted varieties of the lemons, the planting frames 1 provide a suitable environment for growth of the lemons, and the middle cavities of the planting frames 1 are communicated;
as shown in fig. 3, the water control device comprises a water control tank 2 and two soil filter plates 3, the water control tank 2 is a hollow box body and is matched with the planting frames 1 in size, the water control tank 2 is arranged between any two planting frames 1 through bolts, the depth of the water control tank 2 is selected and set according to the varieties of lemons, on one hand, the water control tank 2 is prevented from blocking the normal growth of the root system of the lemons, on the other hand, the soil with proper depth of the root system of the lemons can be guaranteed to be wet all the time, the growth requirements of the lemons are met, a plurality of holes for water flow to pass through are arranged on the upper surface and the lower surface of the water control tank 2, the two soil filter plates 3 are arranged in the water control tank 2 and close to the upper end and the lower end of the water control tank 2, the two soil filter plates 3 are used for guaranteeing that the space for placing the, the cavity in the water control tank 2 is filled with water-absorbing sponge, after irrigation, the water-absorbing sponge in the water control tank 2 can store redundant water, so that the situation that the lemon grows due to the fact that soil at the root of the lemon is too wet is avoided, when the water content of the soil at the root of the lemon is low, the water of the sponge in the water control tank 2 can permeate the soil to improve the water content of the soil, the requirement for the lemon to grow is met, the phenomenon of water shortage is not prone to occurring in the lemon growing process, and the quality of the lemon is guaranteed;
as shown in fig. 4, the element distribution device comprises a plurality of nutrient solution cylinders 4, a plurality of infiltration membranes 5 and a plurality of pressure valves 41, wherein a plurality of holes for nutrient solution to pass through are formed in the side edges of the nutrient solution cylinders 4, the infiltration membranes 5 are arranged in the holes in the side edges of the nutrient solution cylinders 4, the nutrient solution in the nutrient solution cylinders 4 can slowly spread into the soil of the root system of the lemon through the nature of the infiltration membranes 5, the root burning caused by the over-strong soil fertility is avoided, meanwhile, the required elements for the normal growth of the lemon can be met, the heights of the nutrient solution cylinders 4 and the planting frame 1 are mutually adapted, the nutrient solution cylinders 4 are vertically arranged in the planting frame 1, the nutrient solution cylinders 4 are connected through pipelines, each planting groove 1 is internally provided with the nutrient solution cylinder 4, and the required elements for the growth of the lemon can be ensured to be contained in the soil of each depth, the lemon can grow normally, the lemon is fruity and large, the taste is pure, the pressure valve 41 is arranged at the connecting position of the nutrient solution cylinder 4 and the pipeline, the pressure in each nutrient solution pipe 4 is equal, when the pressure difference between the two ends of the pressure valve 41 is overlarge, the pressure valve can be opened automatically, each nutrient solution pipe 41 is guaranteed to contain equal amount of nutrient solution, and the nutrient solution cylinder 4 in the planting frame 1 at the topmost end is connected with an external nutrient solution storage device.
Further, as shown in fig. 5, the plant root climbing frame further comprises climbing plates 6, the climbing plates 6 are of frame structures used for attachment of plant roots and matched with the planting frames 1 in size, the climbing plates 6 are placed in any one of the planting frames 1, the climbing plates 6 are arranged at proper depths required by growth of the roots of the lemons, a main body for the climbing plates to be attached is provided for the roots of the lemons, the lemons are firmer, and the lemons are not prone to tipping under the influence of strong wind.
Further, still include water catch bowl 7, water catch bowl 7 is top open-ended cell body, water catch bowl 7 with the opening with plant frame 1 mutual adaptation, water catch bowl 7 bottom center is provided with the hole that is used for leaking, sets up water catch bowl 7 can avoid moisture and nutrient from being located the bottom plant 1 bottom opening and run off in a large number, play certain storage effect, can reduce artifical fertilization watering's frequency.
Further, still include a plurality of ground nail 8 of grabbing, water catch bowl 7 bottom is connected with a plurality of ground nail 8 of grabbing, the reinforcing the stability of water catch bowl 7 position is avoided water catch bowl 7 takes place the skew of position under the combined action of the pressure of earth and the buoyancy of moisture.
Further, still include a plurality of location stock 9, it is a plurality of 9, a plurality of 9 one ends of location stock are connected and are being located the bottommost plant 1 outside side of frame, it is a plurality of the 9 other ends of location stock are buried underground in earth, and the reinforcing is located the bottommost the stability of planting the position of frame 1 avoids being located the bottommost the skew of planting frame 1 emergence position under the combined action of the pressure of earth and the buoyancy of moisture is followed deviate from in the water catch bowl 7, guarantee the water catch bowl 7 with be located the bottommost plant the stability of 7 relative positions of frame.
Further, still include collecting vat 10 and sedimentation tank 11, collecting vat 10 is connected 7 bottom holes of water catch bowl department, collecting vat 10 pass through the pipeline with sedimentation tank 11 links to each other, will plant the moisture that runs off in the pond and collect and deposit again, will contain the moisture of nourishment after getting rid of a large amount of earth that contains in this part moisture and carry out reuse, avoid the waste of resource.
Further, still include filtering ponds 12, filter screen 13 and active carbon 14, filter screen 13 sets up filtering ponds 12 middle part, filter screen 13 will filtering ponds 12 is separated for two upper and lower cavitys, the export of sedimentation tank 11 pass through the pipeline with filtering ponds 12 lower part cavity links to each other, and the water that is utilized again all will get rid of the impurity that probably contains in the aquatic through the filtration of filtering nets 13, and is a plurality of active carbon 14 places filtering ponds 12 below cavity, active carbon 14 can adsorb the floated particulate matter in the aquatic, further purifies the water of recycling.
Further, still include pumping device 15 and a plurality of drip irrigation pipe 17, pumping device 15's water inlet sets up the upper portion cavity of filtering ponds 12, and is a plurality of drip irrigation pipe 17 sets up and is being located topmost plant the soil top layer in the frame 1, and is a plurality of drip irrigation pipe 17 pass through the pipeline with pumping device 15 links to each other, pumping device 15 is used for being a plurality of drip irrigation pipe 17 supplies water, and the method of driping irrigation can furthest's reduction irrigated total water volume keep the humidity of soil, and the vegetation of being convenient for carries out cyclic utilization with the recovered water, and the nourishment that contains in the recovered water can also promote soil fertility, reduces the frequency of artificial fertilization.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (8)
1. A water balance control system for lemon planting is characterized by comprising a planting pool and a water control device;
the planting pool is composed of a plurality of planting frames (1), the planting frames (1) are square frame bodies, extension plates with bolt holes for mutual fixation are arranged at the upper and lower opening ends of the planting frames (1), the planting frames (1) are connected in an overlapping mode through bolts, and cavities in the middle of the planting frames (1) are communicated;
the water control device comprises a water control tank (2) and two soil filtering plates (3), the water control tank (2) is a hollow box body and is matched with the planting frames (1) in size, the water control tank (2) is arranged between the planting frames (1) in any two mode through bolts, a plurality of holes used for water flow to pass through are formed in the upper surface and the lower surface of the water control tank (2), the soil filtering plates (3) are arranged in the water control tank (2) and close to the upper end and the lower end of the water control tank (2), and water absorbing sponge is filled in a cavity inside the water control tank (2).
2. The water balance control system for lemon planting according to claim 1, characterized by further comprising a climbing plate (6), wherein the climbing plate (6) is a frame structure for plant root system attachment and is matched with the planting frame (1) in size, and the climbing plate (6) is placed in any one of the planting frames (1).
3. The water balance control system for lemon planting according to claim 1, further comprising a water collection tank (7), wherein the water collection tank (7) is a tank body with an opening at the top end, the water collection tank (7) and the opening are matched with the planting frame (1), and a hole for water leakage is formed in the center of the bottom end of the water collection tank (7).
4. The water balance control system for lemon planting according to claim 3, further comprising a plurality of ground grabbing nails (8), wherein a plurality of ground grabbing nails (8) are connected to the bottom of the water collecting tank (7).
5. The water balance control system for lemon planting according to claim 1, further comprising a plurality of positioning anchor rods (9), wherein one ends of the positioning anchor rods (9) are connected to the outer side edge of the planting frame (1) at the bottommost end, and the other ends of the positioning anchor rods (9) are buried in soil.
6. A water balance control system for lemon planting according to claim 3, characterized by further comprising a collection tank (10) and a sedimentation tank (11), the collection tank (10) being connected at a bottom end hole of the collection tank (7), the collection tank (10) being connected with the sedimentation tank (11) by a pipe.
7. The water balance control system for lemon planting according to claim 6, further comprising a filtering tank (12), a filtering net (13) and activated carbon (14), wherein the filtering net (13) is arranged in the middle of the filtering tank (12), the filtering net (13) divides the filtering tank (12) into an upper cavity and a lower cavity, an outlet of the sedimentation tank (11) is connected with the lower cavity of the filtering tank (12) through a pipeline, and a plurality of activated carbon (14) are placed in the cavity below the filtering tank (12).
8. The water balance control system for lemon planting according to claim 7, further comprising a water pumping device (15) and a plurality of drip irrigation pipes (17), wherein the water inlet of the water pumping device (15) is arranged in the upper cavity of the filter tank (12), a plurality of drip irrigation pipes (17) are arranged on the soil surface layer in the topmost planting frame (1), a plurality of drip irrigation pipes (17) are connected with the water pumping device (15) through pipelines, and the water pumping device (15) is used for supplying water to a plurality of drip irrigation pipes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021673986.6U CN213245873U (en) | 2020-08-12 | 2020-08-12 | Water balance control system for lemon planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021673986.6U CN213245873U (en) | 2020-08-12 | 2020-08-12 | Water balance control system for lemon planting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213245873U true CN213245873U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021673986.6U Expired - Fee Related CN213245873U (en) | 2020-08-12 | 2020-08-12 | Water balance control system for lemon planting |
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| CN (1) | CN213245873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115652891A (en) * | 2022-10-18 | 2023-01-31 | 中铁上海设计院集团有限公司 | Active control system and application method for atmospheric influence depth in expansive soil area |
-
2020
- 2020-08-12 CN CN202021673986.6U patent/CN213245873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115652891A (en) * | 2022-10-18 | 2023-01-31 | 中铁上海设计院集团有限公司 | Active control system and application method for atmospheric influence depth in expansive soil area |
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Granted publication date: 20210525 Termination date: 20210812 |