CN108951577A - A kind of farmland feeding/discharging device - Google Patents
A kind of farmland feeding/discharging device Download PDFInfo
- Publication number
- CN108951577A CN108951577A CN201810654665.2A CN201810654665A CN108951577A CN 108951577 A CN108951577 A CN 108951577A CN 201810654665 A CN201810654665 A CN 201810654665A CN 108951577 A CN108951577 A CN 108951577A
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- China
- Prior art keywords
- pond
- discharges water
- elevation
- farmland
- moving casing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of farmland feeding/discharging devices, including building in the pond that discharges water on the face of field, the top elevation in the pond that discharges water is higher than the elevation in field face, opening setting is in the pond top surface that discharges water, and the two sides in the pond that discharges water are connected to field face, the side in the pond that discharges water is equipped with irrigation ditch, and the communicating pipe for being connected to irrigation ditch is equipped in the pond that discharges water, is also connected on the communicating pipe for changing the moving casing of communicating pipe top elevation.The present invention passes through above-mentioned setting, in the pond that discharges water be installed communicating pipe, therefore it either intakes or drains and be required to through pond and the communicating pipe progress of discharging water, therefore contact of the moisture with ridge is reduced, reduce soil erosion degree, change the cope level of communicating pipe using installation activity casing simultaneously, the water level in irrigation ditch is completed to irrigate or draining, simple and easy and leakproofness are preferable to cooperate.
Description
Technical field
The present invention relates to farmland plumbing technical field, in particular to a kind of farmland feeding/discharging device.
Background technique
Cultivated land irrigate be the highly important link of people's production and living since ancient times, be guarantee crops good harvest must
Indispensable condition, and the country that China is poor as a water resource, it should very focus on agricultural crops irrigating water quality
Rationally utilize.
In present agricultural production, with the active support of country and stepping up for infrastructure, most of farmland week
Side, which is all built, complete irrigation canals and ditches system, and when irrigation can directly fetch water in irrigation ditch or flood or in time will
Water drains into irrigation ditch, achievees the effect that drought resisting is waterlogging-resistant.
It is most of all as depicted in figs. 1 and 2 in existing technology, it is provided with guide-wall between field face and irrigation ditch,
Gate slot is offered in guide-wall, plate valve made of PVC board is inserted in gate slot, passes through the extraction or insertion of plate valve
To achieve the effect that control moisture disengaging.
But in the long-term use, leakproofness is poor between plate valve and gate slot, not can avoid in irrigation ditch
Moisture is irrigated to field face, and the moisture that also not can avoid in the face of field is lost into irrigation ditch, simultaneously because the original that leakproofness is poor
Cause frequently can lead to slow soil erosion phenomenon, especially for sand, easily cause the failure of the discharge aqueous systems.
Summary of the invention
The object of the present invention is to provide a kind of farmland feeding/discharging devices, have the effect of good airproof performance, reduce infiltration phenomenon,
Be conducive to conserve water and soil, the service life of extending structure.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of farmland feeding/discharging device,
Including construction in the pond that discharges water on the face of field, the top elevation in the pond that discharges water is higher than the elevation in field face, and the pond top surface that discharges water is
Opening setting, and the two sides in the pond that discharges water are connected to field face, the side in the pond that discharges water is equipped with irrigation ditch, the pond that discharges water
It is interior to be equipped with communicating pipe for being connected to irrigation ditch, it is also connected on the communicating pipe for changing the work of communicating pipe top elevation
Dynamic casing.
It by using above-mentioned technical proposal, is installed communicating pipe in the pond that discharges water, therefore either intakes or drain and be both needed to
Will be by pond and the communicating pipe progress of discharging water, therefore contact of the moisture with ridge is reduced, soil erosion degree is reduced, while using peace
Moving casing is filled to change the cope level of communicating pipe, to cooperate the water level in irrigation ditch to complete to irrigate or drain, simply
Easy and leakproofness is preferable.
The further setting of the present invention are as follows: described discharge water is equipped with ridge, the communicating pipe between pond and the irrigation ditch
The activity is connected including passing through the ridge and being connected to the horizontal segment of irrigation ditch, one end connection horizontal segment and the other end
The bending segment of casing, the elevation of top surface of the bending segment are lower than the elevation in field face.
By using above-mentioned technical proposal, moving casing is connected on bending segment, so that the moisture formed vertically upward is logical
Road, whether drain or irrigate, moisture all can in the pond that discharges water by buffering after using communicating pipe and moving casing, just meeting
It flow in the face of field or in irrigation ditch, greatly slows down the flow velocity of moisture, reduce the degree of soil erosion.
The further setting of the present invention are as follows: multiple tracks is also provided in the field face for separating the interconnected setting in field face
Hair ditch, the bottom surface elevation of the hair ditch is lower than the elevation in the field face, also offers on the two sides side wall in the pond that discharges water
Intercommunicating pore, the intercommunicating pore and the hair ditch are connected to and the bottom surface elevation of intercommunicating pore is identical as the bottom surface elevation of the hair ditch.
By using above-mentioned technical proposal, hair ditch is to open up in the face of field for separating the small slot of field, on the one hand
It is to facilitate to divide field, on the other hand also has the function of water storage, moisture similarly can be collected for Dry crop, avoid moisture
Adverse effect to Dry crop, and the two sides in the pond that discharges water are provided with the intercommunicating pore of connection hair ditch, therefore when progress irrigation operation
When, the water level in irrigation ditch must be higher than field face at this time, pull out moving casing at this time, and moisture overflows simultaneously from the top of bending segment
Mao Gouzhong is flow to by intercommunicating pore；When Soil surface water point is more to be needed to drain, Soil surface water position must be higher than irrigation ditch water in a canal at this time
Position, pulls out moving casing, moisture is entered in communicating pipe and finally flow in irrigation ditch by bending segment from hair ditch and completed at this time
Draining.
The further setting of the present invention are as follows: the moving casing and be all made of PE matter communicating pipe, and the moving casing is logical
Pipe is crossed to connect and the communicating pipe releasable connection and form interference fit.
It by using above-mentioned technical proposal, moving casing and is all made of PE matter communicating pipe and is made, then connect in succession by pipe, even
Robust is connect, and simple and easy, while according to technique and product quality currently on the market, can also be obtained in leakproofness
It is effective to ensure and easy to disassemble.
The further setting of the present invention are as follows: the moving casing sliding plug in the bending segment, the bending segment
End offers multiple ball grooves, is embedded with the fixation ball for pushing against moving casing in the ball groove, outside the bending segment
It is arranged with the control pipe for driving the fixed ball close to or far from moving casing.
By using above-mentioned technical proposal, the direct sliding plug of moving casing is consolidated in bending segment, and by fixed ball
Positioning is set, thus when being drained or being irrigated, it is only necessary to the elevation at the top of moving casing i.e. changeable communicating pipe is slided up and down,
Without by moving casing back and forth frequent grafting or extraction.
The further setting of the present invention are as follows: the control pipe sliding sleeve is set on the bending segment, the control inside pipe wall
Offer multiple abutting inclined-planes, the abutting inclined-plane is correspondingly arranged with the fixed ball, when control pipe move up and down when described in support
Tight inclined-plane is connected on the fixed ball and drives fixed ball close to or far from the moving casing.
The up and down motion of moving casing can be converted by using above-mentioned technical proposal by pushing against the setting on inclined-plane
The horizontal applied force of fixed ball in pairs is connected on fixed ball to push against inclined-plane when controlling pipe and moving up and down and drives fixation
Ball is close to or far from moving casing.
The further setting of the present invention are as follows: be installed with installation cavity, the peace between the bending segment and the control pipe
It fills and is equipped with elastic restoring piece in cavity, described elasticity restoring piece one end is fixedly connected on the outer surface of the bending segment, and another
One end is fixedly connected on the control pipe.
By using above-mentioned technical proposal, due to whether draining or irrigation water, require to glide moving casing
And fixed position, therefore control pipe and need to re-start fixation to moving casing, flexible restoring piece, which is arranged, can facilitate abutting
The reset on inclined-plane, to restore the withstanding effect to fixed ball.
The further setting of the present invention are as follows: the upper and lower ends of the control pipe are equipped with socket ring, set on the bending segment
Have with the mounting ring that contacts of socket ring, the dynamic clamping head and quiet clamping head be installed on the mounting ring for being respectively at upper and lower ends and
It is socketed between ring.
The further setting of the present invention are as follows: between the mounting ring and socket ring of upper end or lower end in the control pipe also
It is provided with sealing element.
By using above-mentioned technical proposal, elastic restoring piece be arranged in the different mounting ring of upper and lower ends and socket ring it
Between, it so that control pipe is set back, and between the mounting ring and socket ring of upper end or lower end in control pipe also
It is provided with sealing element, mounting ring can greatly be reinforced and is socketed leakproofness when ring abuts.
In conclusion buffer portion of the pond as moisture the invention has the following advantages: setting discharges water, slows down water flow
Impact of the flow velocity to structure and soil property also reduces the degree of soil erosion；Setting will be put top elevation changeable communicating pipe
Pond is connected to irrigation ditch, thus only need to adjust the elevation of connection tube end when draining or irrigation, it can be matched, letter
Single easy and leakproofness is good.
Detailed description of the invention
Fig. 1 is the floor map of the prior art；
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1；
Fig. 3 is the floor map in the present embodiment；
Fig. 4 is the whole diagrammatic cross-section in embodiment 1；
Fig. 5 is the partial profile structure in embodiment 2.
In figure: 1, discharge water pond；2, field face；3, ridge；4, irrigation ditch；41, gate slot；42, plate valve；43, guide-wall；
5, Mao Gou；6, communicating pipe；61, horizontal segment；62, bending segment；7, moving casing；8, control pipe；81, inclined-plane is pushed against；9, fixed ball；
10, installation cavity；11, elastic restoring piece；12, ball groove；13, intercommunicating pore；14, mounting ring；15, it is socketed ring；16, slot is abutted.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Embodiment 1: a kind of farmland feeding/discharging device, as shown in Figures 3 and 4, including be mounted on field face 2 and irrigation ditch 4 it
Between the pond 1 that discharges water, and discharge water and be also separated with ridge 3 between pond 1 and irrigation ditch 4, also dig what multiple tracks was interconnected in field face 2
On the one hand hair ditch 5 is to facilitate to divide field, on the other hand also has the function of water storage, similarly Dry crop can be collected
Moisture avoids adverse effect of the moisture to Dry crop.It discharges water the interior communicating pipe 6 being equipped with for being connected to irrigation ditch 4 of pond 1, connection
It is also connected on pipe 6 for changing the moving casing 7 of 6 top elevation of communicating pipe.
As shown in Figures 3 and 4, the discharge water two sides in pond 1 offer the intercommunicating pore 13 being connected to hair ditch 5, the bottom surface elevation of hair ditch 5
Lower than the elevation in field face 2, the bottom surface elevation of intercommunicating pore 13 and the bottom surface elevation of hair ditch 5 are identical.
As shown in Figures 3 and 4, communicating pipe 6 includes across ridge 3 and being connected to the horizontal segment 61 of irrigation ditch 4, one end connection water
The bending segment 62 of flat section 61 and other end connection moving casing 7, the elevation of top surface of bending segment 62 are lower than the elevation of 5 bottom surface of hair ditch.
Moving casing 7 and communicating pipe 6 are all made of PE matter and are made, and moving casing 7 is connect and 6 releasable connection of communicating pipe and formed by pipe
It is full of cooperation, 7 grafting of portable propelling casing or extraction.
As shown in Figures 3 and 4, when needing to irrigate, water level is higher than field face 2 in irrigation ditch 4 at this time, and moving casing 7 is pulled out
Out, so that moisture is spilled over in the pond 1 that discharges water from the bending segment 62 of connecting tube, then entered in mao ditch 5 by connecting hole, to reach
The effect of irrigation, the moving casing of grafting in time 7 after the completion of irrigation operation, prevents moisture from irrigating excessive；When needing to be discharged field face 2
When moisture, 2 water level of field face is higher than the water level in irrigation ditch 4 at this time, at this time extracts moving casing 7, and moisture is logical along hair ditch 5
Bending segment 62 is crossed to flow in irrigation ditch 4, so that drain operation is completed, it is simple and easy, and moving casing 7 passes through with bending segment 62
Pipe connects in succession, has good leakproofness.
Embodiment 2: a kind of farmland feeding/discharging device, as shown in Figures 3 and 5, including be mounted on field face 2 and irrigation ditch 4 it
Between the pond 1 that discharges water, and discharge water and be also separated with ridge 3 between pond 1 and irrigation ditch 4, also dig what multiple tracks was interconnected in field face 2
Hair ditch 5,5 one side of hair ditch are to facilitate to divide field, on the other hand also have the function of water storage, similarly can be with for Dry crop
Collect moisture, avoids adverse effect of the moisture to Dry crop.It discharges water the interior communicating pipe 6 being equipped with for being connected to irrigation ditch 4 of pond 1,
It is also connected on communicating pipe 6 for changing the moving casing 7 of 6 top elevation of communicating pipe.
As shown in Figures 3 and 5, the discharge water two sides in pond 1 offer the intercommunicating pore 13 being connected to hair ditch 5, the bottom surface elevation of hair ditch 5
Lower than the elevation in field face 2, the bottom surface elevation of intercommunicating pore 13 and the bottom surface elevation of hair ditch 5 are identical.
As shown in Figures 3 and 5, communicating pipe 6 includes across ridge 3 and being connected to the horizontal segment 61 of irrigation ditch 4, one end connection water
The bending segment 62 of flat section 61 and other end connection moving casing 7, the elevation of top surface of bending segment 62 are lower than the elevation of 5 bottom surface of hair ditch.
For 7 sliding plug of moving casing in bending segment 62, the end of bending segment 62 offers multiple ball grooves 12, is embedded in ball groove 12
For pushing against the fixation ball 9 of moving casing 7,62 outer cover of bending segment is equipped with for driving fixed ball 9 close to or far from movable sleeve
The control pipe 8 of pipe 7.
As shown in Figures 3 and 5, control 8 sliding sleeve of pipe is set on bending segment 62, and control 8 inner wall of pipe offers multiple push against tiltedly
Face 81 pushes against inclined-plane 81 and is correspondingly arranged with fixed ball 9, pushes against inclined-plane 81 when controlling pipe 8 and moving up and down and be connected on fixed ball 9
And drive fixed ball 9 close to or far from moving casing 7, to achieve the effect that push against fixed moving casing 7.Bending segment 62 and control
It is installed with installation cavity 10 between tubulation 8, elastic restoring piece 11 is equipped in installation cavity 10, elastic 11 one end of restoring piece is fixed to be connected
It is connected on the outer surface of bending segment 62, and the other end is fixedly connected on control pipe 8, elastic restoring piece 11 is generally using in drawing
Stretch the spring of state.
As shown in Figures 3 and 5, it in order to cooperate the abutting stability of fixed ball 9, is offered on the side wall of moving casing 7 multiple
The abutting slot 16 agreed with fixed ball 9, and multiple abutting slots 16 are distributed at the different height of moving casing 7.
As shown in Figures 3 and 5, the upper and lower ends for controlling pipe 8 are equipped with socket ring 15, and socket ring 15 is slidably socketed in bending
On the outer surface of section 62, so that upper and lower two sockets ring 15, control pipe 8 and bending segment 62 enclose jointly and are set as installation cavity 10, together
It also is provided with abutting the mounting ring 14 of sealing with socket ring 15 on the bending segment 62 of sample, and the mounting ring 14 in upper end is connected to set
It connects on ring 15, the mounting ring 14 in lower end is in installation cavity 10 and is connected on socket ring 15.In order to reinforce being socketed ring
Leakproofness between 15 and mounting ring 14, on the top of socket ring 15, the bottom surface of mounting ring 14 be provided with rubber gasket,
Spring can be such that it pushes against in the active force in mounting ring 14, to strengthen leakproofness the socket application of ring 15.
As shown in Figures 3 and 5, as long as need to change the height of moving casing 7, can first slide downward control-rod so that
It abuts inclined-plane and is detached from fixed ball 9, so that fixed ball 9 is lost the effect of the abutting to moving casing 7, can change activity at this time
Height of the casing 7 in bending segment 62 after completing adjustment, controls pipe 8 unclamping, control pipe 8 can answer automatically under the action of the spring
Position, i.e. abutting inclined-plane can apply lasting active force to fixed ball 9, and push against fixed ball 9 in the abutting of moving casing 7
In slot 16, the fixed operation to moving casing 7 is completed.
Claims (9)
1. a kind of farmland feeding/discharging device, it is characterised in that: including building in the pond that discharges water (1) on field face (2), the pond that discharges water
(1) top elevation is higher than the elevation of field face (2), and the pond that discharges water (1) top surface is arranged for opening, and the pond that discharges water (1)
Two sides are connected to field face (2), and the side of the pond that discharges water (1) is equipped with irrigation ditch (4), are equipped with and are used in the pond that discharges water (1)
It is connected to the communicating pipe (6) of irrigation ditch (4), is also connected on the communicating pipe (6) for changing communicating pipe (6) top elevation
Moving casing (7).
2. a kind of farmland feeding/discharging device according to claim 1, it is characterised in that: the pond that discharges water (1) and the filling
It irrigates and is equipped with ridge (3) between irrigation canals and ditches (4), the communicating pipe (6) includes across the ridge (3) and being connected to irrigation ditch (4)
Horizontal segment (61), one end connect the horizontal segment (61) and the other end connects the bending segment (62) of the moving casing (7), described
The elevation of top surface of bending segment (62) is lower than the elevation of field face (2).
3. a kind of farmland feeding/discharging device according to claim 2, it is characterised in that: be also provided in the field face (2)
Multiple tracks is used to separate the hair ditch (5) of the connection setting in field face (2), and the bottom surface elevation of the hair ditch (5) is lower than the field face (2)
Elevation also offers intercommunicating pore (13) on the two sides side wall of the pond that discharges water (1), the intercommunicating pore (13) and the hair ditch
(5) it is connected to and the bottom surface elevation of intercommunicating pore (13) is identical as the bottom surface elevation of the hair ditch (5).
4. a kind of farmland feeding/discharging device according to claim 3, it is characterised in that: the moving casing (7) be connected to
Pipe (6) is all made of PE matter, and the moving casing (7) is connect by pipe and the communicating pipe (6) releasable connection and forms interference and match
It closes.
5. a kind of farmland feeding/discharging device according to claim 3, it is characterised in that: moving casing (7) sliding is inserted
It is connected in the bending segment (62), the end of the bending segment (62) offers multiple ball grooves (12), in the ball groove (12)
It is embedded with the fixation ball (9) for pushing against moving casing (7), bending segment (62) outer cover is equipped with for driving the fixation
Control pipe (8) of the ball (9) close to or far from moving casing (7).
6. a kind of farmland feeding/discharging device according to claim 5, it is characterised in that: control pipe (8) sliding is arranged
In on the bending segment (62), described control pipe (8) inner wall offers multiple abuttings inclined-planes (81), the abutting inclined-plane (81) and
The fixed ball (9) is correspondingly arranged, and when control pipe (8) moves up and down, the abutting inclined-plane (81) is connected to the fixed ball
(9) on and drive fixed ball (9) close to or far from the moving casing (7).
7. a kind of farmland feeding/discharging device according to claim 6, it is characterised in that: the bending segment (62) and the control
It is installed between tubulation (8) installation cavity (10), elastic restoring piece (11) is equipped in the installation cavity (10), the elasticity is extensive
Copy (11) one end is fixedly connected on the outer surface of the bending segment (62), and the other end is fixedly connected on the control pipe
(8) on.
8. a kind of farmland feeding/discharging device according to claim 7, it is characterised in that: up and down the two of the control pipe (8)
End is equipped with socket ring (15), and the bending segment (62) is equipped with the mounting ring (14) contacted with socket ring (15),
The dynamic clamping head and quiet clamping head is installed between the mounting ring (14) for being respectively at upper and lower ends and socket ring (15).
9. a kind of farmland feeding/discharging device according to claim 8, it is characterised in that: in the upper of the control pipe (8)
Sealing element is additionally provided between end or the mounting ring (14) and socket ring (15) of lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654665.2A CN108951577B (en) | 2018-06-22 | 2018-06-22 | Farmland water inlet and outlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654665.2A CN108951577B (en) | 2018-06-22 | 2018-06-22 | Farmland water inlet and outlet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108951577A true CN108951577A (en) | 2018-12-07 |
| CN108951577B CN108951577B (en) | 2020-09-08 |
Family
ID=64486331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810654665.2A Active CN108951577B (en) | 2018-06-22 | 2018-06-22 | Farmland water inlet and outlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108951577B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820106A (en) * | 2020-07-07 | 2020-10-27 | 太仓景宏智能科技有限公司 | Device for agricultural irrigation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260661A (en) * | 2008-04-30 | 2008-09-10 | 东莞市农业种子研究所 | Automatic irrigation and drainage method and system for agricultural land |
| CN201605193U (en) * | 2009-09-02 | 2010-10-13 | 王宇 | Annular decanter |
| CN104895027A (en) * | 2015-06-12 | 2015-09-09 | 河海大学 | Self-circulated and ecological water saving type irrigating draining system and draining method |
| CN105776736A (en) * | 2016-03-17 | 2016-07-20 | 江西省环境保护科学研究院 | Method for treating agricultural non-point source pollution in hilly areas |
-
2018
- 2018-06-22 CN CN201810654665.2A patent/CN108951577B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260661A (en) * | 2008-04-30 | 2008-09-10 | 东莞市农业种子研究所 | Automatic irrigation and drainage method and system for agricultural land |
| CN201605193U (en) * | 2009-09-02 | 2010-10-13 | 王宇 | Annular decanter |
| CN104895027A (en) * | 2015-06-12 | 2015-09-09 | 河海大学 | Self-circulated and ecological water saving type irrigating draining system and draining method |
| CN105776736A (en) * | 2016-03-17 | 2016-07-20 | 江西省环境保护科学研究院 | Method for treating agricultural non-point source pollution in hilly areas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111820106A (en) * | 2020-07-07 | 2020-10-27 | 太仓景宏智能科技有限公司 | Device for agricultural irrigation |
| CN111820106B (en) * | 2020-07-07 | 2022-04-01 | 太仓景宏智能科技有限公司 | Device for agricultural irrigation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108951577B (en) | 2020-09-08 |
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