CN114600617A - Portable vegetable fertilizer applicator - Google Patents
Portable vegetable fertilizer applicator Download PDFInfo
- Publication number
- CN114600617A CN114600617A CN202210364176.XA CN202210364176A CN114600617A CN 114600617 A CN114600617 A CN 114600617A CN 202210364176 A CN202210364176 A CN 202210364176A CN 114600617 A CN114600617 A CN 114600617A
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- CN
- China
- Prior art keywords
- fixedly connected
- connecting pipe
- gear
- fertilizer applicator
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a movable vegetable fertilizer applying device, which comprises a bottom plate, wherein the upper end of the bottom plate is fixedly connected with a liquid fertilizer box and a supporting rod, the upper end of the liquid fertilizer box is fixedly connected with a feeding pipe, a switch pump and a spring pipe, one end of the spring pipe, which is far away from the liquid fertilizer box, is fixedly connected with a connecting pipe, one end of the connecting pipe, which is far away from the spring pipe, is fixedly connected with a sprinkler head, the circumferential surface of the supporting rod is fixedly connected with a fixing plate, the fixing plate is movably connected with the connecting pipe, the upper end of the fixing plate is rotatably connected with a fixing ring, the upper end of the fixing ring is fixedly connected with a gear, and the fixing ring, the gear and the connecting pipe are in sliding connection.
Description
Technical Field
The invention relates to the technical field of irrigation devices, in particular to a movable vegetable fertilizer applying device.
Background
Vegetables are one of the essential foods in daily diet of people, can provide various nutrients such as vitamins and minerals necessary for human bodies, are widely used at present in vegetable planting, and generally need to be fertilized in the planting process.
However, when the vegetables are watered, the sprinkler head of the watering device is fixed, which is inconvenient for watering the vegetables in different directions, and when the vegetables are needed to be watered in different directions, the watering device is continuously moved, which not only wastes time and labor, but also reduces the efficiency of watering the vegetables.
Disclosure of Invention
The invention aims to solve the problem that the conventional vegetable field is inconvenient to water in different directions in the prior art, and provides a movable vegetable fertilizer applying device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a device is used to portable vegetable fertilizer, includes the bottom plate, the fertile case of upper end fixedly connected with liquid and the bracing piece of bottom plate, the upper end fixedly connected with inlet pipe, switch pump and the spring pipe of fertile case of liquid, the one end fixedly connected with connecting pipe of fertile case of liquid is kept away from to the spring pipe, the one end fixedly connected with sprinkler head of spring pipe is kept away from to the connecting pipe, the periphery fixedly connected with fixed plate of bracing piece, swing joint between fixed plate and the connecting pipe, the upper end of fixed plate is rotated and is connected with solid fixed ring, gu fixed ring's upper end fixedly connected with gear, sliding connection between solid fixed ring and gear and the connecting pipe still includes power device, angle adjusting device and elevating gear.
As a further description of the above technical solution: the lower extreme fixedly connected with universal wheel of bottom plate, the universal wheel is provided with a plurality ofly, and even distribution is at the lower extreme of bottom plate, the right-hand member fixedly connected with handle of bottom plate promotes the handle under the effect of universal wheel during operation for the overall device can be at will remove suitable position.
As a further description of the above technical solution: the angle adjusting device comprises a rotating shaft, a disc, a fixed shaft, a moving rod, a sliding hole, a rack, a second limiting groove, a second limiting block, a first limiting block and a first limiting hole, the rotating shaft is rotatably connected inside the fixed plate, the disc is fixedly connected to the upper end of the rotating shaft, the fixed shaft is fixedly connected to the upper end of the disc, the second limiting groove is formed in the upper end face of the fixed plate, the second limiting block is slidably connected to the inside of the second limiting groove, the rack is fixedly connected to the upper end of the second limiting block, the rack is meshed with the gear, the moving rod is fixedly connected to the end, away from the gear, of the rack, the sliding hole is formed in the upper end face of the moving rod, the sliding hole is slidably connected with the fixed shaft, when the angle adjusting device works, the disc is driven to rotate when the rotating shaft rotates, the fixed shaft drives the rotating shaft to rotate, and the rack can reciprocate under the matching of the moving rod and the sliding hole, the rack reciprocates to drive the gear to rotate forwards and backwards, the forward and backward rotation of the gear can drive the connecting pipe to rotate forwards and backwards, and the forward and backward rotation of the connecting pipe can drive the sprinkler head to rotate forwards and backwards, so that the sprinkler head can spray vegetables in different directions under the action of the sprinkler head, and the sprinkler head can spray vegetables in a wider range.
As a further description of the above technical solution: first spacing hole has been seted up to the up end of gear, the inside sliding connection in first spacing hole has first stopper, fixed connection between first stopper and the connecting pipe, the during operation under the effect of first spacing hole and first stopper for the gear can drive the stable rotation that rotates of connecting pipe when rotating, and when the connecting pipe removed, first stopper also can remove at first spacing downthehole portion.
As a further description of the above technical solution: the power device comprises a motor, a driving wheel, a driven wheel and a belt, the upper end of the fixing plate is fixedly connected with the motor, the output shaft of the motor is fixedly connected with the driving wheel, the lower end of the rotating shaft is fixedly connected with the driven wheel, the driving wheel and the driven wheel are connected through the belt, the motor is started during working, the driving wheel is driven to rotate under the action of the motor, the driving wheel rotates under the action of the belt to drive the driven wheel to rotate, the driven wheel rotates to drive the rotating shaft to rotate, and therefore power can be supplied to the angle adjusting device under the action of the driven wheel.
As a further description of the above technical solution: the lifting device comprises a guide rod, a handle, a threaded rod, a first bearing seat and a second bearing seat, wherein the periphery of the fixing ring is fixedly connected with the second bearing seat, the periphery of the connecting pipe is fixedly connected with the first bearing seat, the upper end of the second bearing seat at the right end is fixedly connected with the guide rod, the guide rod is in sliding connection with the first bearing seat at the right end, the inner part of the second bearing seat at the left end is rotatably connected with the threaded rod, the upper end of the threaded rod is fixedly connected with the handle, the threaded rod is in threaded connection with the first bearing seat at the left end, during operation, the threaded rod is driven by the rotating handle to rotate, the first bearing seat drives the connecting pipe to move, the connecting pipe moves to drive the sprinkler head to move, and the height of the sprinkler head from the ground is changed along with the movement of the sprinkler head, and the first bearing seat can move more stably under the action of the guide rod.
As a further description of the above technical solution: the thread shape between the threaded rod and the first bearing seat is triangular, and during operation, the first bearing seat can be firmly fixed on the circumferential surface of the threaded rod when the threaded rod does not rotate due to the self-locking property of the triangular thread.
As a further description of the above technical solution: the end face between the second limiting groove and the second limiting block is T-shaped, and when the rack is in work, the rack can stably move under the action of the second limiting groove and the second limiting block, and cannot easily separate from the fixing plate.
The invention has the following beneficial effects:
1. compared with the prior art, the movable vegetable fertilizer applying device has the advantages that under the cooperation of the rotating shaft, the disc, the fixed shaft, the moving rod, the sliding hole, the rack, the second limiting groove, the second limiting block, the first limiting block and the first limiting hole, when the rack reciprocates, the gear is driven to rotate forwards and backwards, the gear drives the connecting pipe to rotate forwards and backwards, the connecting pipe drives the sprinkler head to rotate forwards and backwards, and the sprinkler head can spray and irrigate vegetables in different directions on a vegetable field, so that the problem that the vegetables field is not convenient to irrigate in different directions is solved, and the purpose of irrigating a larger area of the vegetable field is achieved.
2. Compared with the prior art, the movable vegetable fertilizer applying device has the advantages that the guide rod, the handle, the threaded rod, the first bearing seat and the second bearing seat are matched, the threaded rod is driven to rotate by rotating the handle, the connecting pipe is driven to move under the action of the threaded rod, the connecting pipe moves to drive the sprinkler head to move, so that the height of the sprinkler head from the ground is changed along with the movement of the sprinkler head, the sprinkler head can spray and irrigate vegetables with different heights, and the purpose of irrigating the vegetables with different heights is achieved.
3. Compared with the prior art, the movable vegetable fertilizer applying device has the advantages that the motor is started through the cooperation of the motor, the driving wheel, the driven wheel and the belt, power can be supplied to the angle adjusting device under the action of the motor, and therefore the purpose of supplying power to the angle adjusting device is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of a mobile vegetable fertilizer applicator in front view;
fig. 2 is a schematic view of the entire structure of a mobile vegetable fertilizer applicator as viewed from the bottom at the right side;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 of the portable vegetable fertilizer applicator of the present invention;
FIG. 4 is a schematic top view of the mobile vegetable fertilizer applicator according to the present invention;
FIG. 5 is an enlarged schematic view of B in FIG. 4 of the portable vegetable fertilizer applicator of the present invention;
FIG. 6 is a schematic diagram of the overall structure of a mobile vegetable fertilizer applicator as viewed from the right;
fig. 7 is an enlarged schematic view of C in fig. 6 of a mobile vegetable fertilizer applicator according to the present invention.
Illustration of the drawings:
1. a base plate; 2. a universal wheel; 3. a handle; 4. liquid fertilizer boxes; 5. switching on and off the pump; 6. a feed pipe; 7. a spring tube; 8. a connecting pipe; 9. a first stopper; 10. a fixing plate; 11. a sprinkler head; 12. a guide bar; 13. a threaded rod; 14. a handle; 15. a support bar; 16. a travel bar; 17. a fixed shaft; 18. a motor; 19. a driven wheel; 20. a rotating shaft; 21. a belt; 22. a driving wheel; 23. a disc; 24. a slide hole; 25. a gear; 26. a first limit hole; 27. a rack; 28. a first bearing housing; 29. a second bearing housing; 30. a second limit groove; 31. a fixing ring; 32. and a second limiting block.
Detailed Description
Referring to fig. 1 to 7, the present invention provides a mobile vegetable fertilizer applicator: including bottom plate 1, the fertile case 4 of upper end fixedly connected with liquid and bracing piece 15 of bottom plate 1, the upper end fixedly connected with inlet pipe 6 of fertile case 4 of liquid, switch pump 5 and spring pipe 7, spring pipe 7 keeps away from the one end fixedly connected with connecting pipe 8 of fertile case 4 of liquid, the one end fixedly connected with sprinkler head 11 of spring pipe 7 is kept away from to connecting pipe 8, bracing piece 15's periphery fixedly connected with fixed plate 10, swing joint between fixed plate 10 and the connecting pipe 8, the upper end of fixed plate 10 is rotated and is connected with solid fixed ring 31, gu fixed ring 31's upper end fixedly connected with gear 25, gu sliding connection between fixed ring 31 and gear 25 and the connecting pipe 8, still include power device, angle adjusting device and elevating gear.
As a further embodiment of the above technical solution: the lower extreme fixedly connected with universal wheel 2 of bottom plate 1, universal wheel 2 are provided with a plurality ofly, and even distribution is at the lower extreme of bottom plate 1, and the right-hand member fixedly connected with handle 3 of bottom plate 1, and the during operation promotes handle 3 under the effect of universal wheel 2 for the integrated device can be random removes suitable position.
As a further embodiment of the above technical solution: the angle adjusting device comprises a rotating shaft 20, a disc 23, a fixed shaft 17, a moving rod 16, a sliding hole 24, a rack 27, a second limit groove 30, a second limit block 32, a first limit block 9 and a first limit hole 26, wherein the fixed plate 10 is rotatably connected with the rotating shaft 20, the upper end of the rotating shaft 20 is fixedly connected with the disc 23, the upper end of the disc 23 is fixedly connected with the fixed shaft 17, the upper end surface of the fixed plate 10 is provided with the second limit groove 30, the inner part of the second limit groove 30 is slidably connected with the second limit block 32, the upper end of the second limit block 32 is fixedly connected with the rack 27, the rack 27 is meshed with a gear 25, one end of the rack 27, which is far away from the gear 25, is fixedly connected with the moving rod 16, the upper end surface of the moving rod 16 is provided with the sliding hole 24, the sliding hole 24 is slidably connected with the fixed shaft 17, when the rotating shaft 20 rotates, the disc 23 rotates to drive the fixed shaft 17 to rotate, the fixed shaft 17 rotates to enable the rack 27 to reciprocate under the matching of the moving rod 16 and the sliding hole 24, the rack 27 reciprocates to drive the gear 25 to rotate forwards and backwards, the gear 25 rotates forwards and backwards to drive the connecting pipe 8 to rotate forwards and backwards, the connecting pipe 8 rotates forwards and backwards to drive the sprinkler head 11 to rotate forwards and backwards, and then the sprinkler head 11 can spray vegetables in different directions under the action of the sprinkler head 11, so that the sprinkler head 11 can spray vegetables in a wider range.
As a further embodiment of the above technical solution: first spacing hole 26 has been seted up to gear 25's up end, and the inside sliding connection of first spacing hole 26 has first stopper 9, fixed connection between first stopper 9 and the connecting pipe 8, and the during operation under the effect of first spacing hole 26 and first stopper 9 for gear 25 can drive the stable rotation of connecting pipe 8 when rotating, and when connecting pipe 8 removed, and first stopper 9 also can be at the inside removal of first spacing hole 26.
As a further embodiment of the above technical solution: the power device comprises a motor 18, a driving wheel 22, a driven wheel 19 and a belt 21, the upper end of the fixing plate 10 is fixedly connected with the motor 18, the output shaft end of the motor 18 is fixedly connected with the driving wheel 22, the lower end of the rotating shaft 20 is fixedly connected with the driven wheel 19, the driving wheel 22 is connected with the driven wheel 19 through the belt 21, in operation, the motor 18 is started, the driving wheel 22 is driven to rotate under the action of the motor 18, the driving wheel 22 rotates to drive the driven wheel 19 to rotate under the action of the belt 21, the driven wheel 19 rotates to drive the rotating shaft 20 to rotate, and therefore power can be supplied to the angle adjusting device under the action of the driven wheel 19.
As a further embodiment of the above technical solution: the lifting device comprises a guide rod 12, a handle 14, a threaded rod 13, a first bearing seat 28 and a second bearing seat 29, the circumferential surface of a fixed ring 31 is fixedly connected with the second bearing seat 29, the circumferential surface of the connecting pipe 8 is fixedly connected with the first bearing seat 28, the upper end of the second bearing seat 29 positioned at the right end is fixedly connected with the guide rod 12, the guide rod 12 is in sliding connection with the first bearing seat 28 positioned at the right end, the inner part of the second bearing seat 29 positioned at the left end is rotatably connected with the threaded rod 13, the upper end of the threaded rod 13 is fixedly connected with the handle 14, the threaded rod 13 is in threaded connection with the first bearing seat 28 positioned at the left end, in operation, the rotating handle 14 drives the threaded rod 13 to rotate, the first bearing seat 28 drives the connecting pipe 8 to move, the connecting pipe 8 moves to drive the sprinkler 11 to move, so that the height of the sprinkler 11 from the ground is changed along with the movement of the sprinkler 11, and the first bearing seat 28 can move more stably under the action of the guide rod 12.
As a further embodiment of the above technical solution: the shape of the thread between the threaded rod 13 and the first bearing seat 28 is triangular, so that when the threaded rod 13 does not rotate, the first bearing seat 28 can be firmly fixed on the circumferential surface of the threaded rod 13 due to the self-locking property of the triangular thread during operation.
As a further embodiment of the above technical solution: the end face between the second limiting groove 30 and the second limiting block 32 is T-shaped, so that the rack 27 can stably move and the rack 27 cannot easily separate from the fixing plate 10 under the action of the second limiting groove 30 and the second limiting block 32 during operation.
The working principle is as follows:
when the fertilizer spraying device is used, fertilizer is injected into the liquid fertilizer box 4 through the feed pipe 6, then the handle 3 is pushed under the action of the universal wheel 2, the whole device is randomly moved to a proper position, the switch pump 5 and the motor 18 are started, the driving wheel 22 is driven to rotate under the action of the motor 18, the driving wheel 22 rotates to drive the driven wheel 19 to rotate under the action of the belt 21, the driven wheel 19 rotates to drive the rotating shaft 20 to rotate, the rotating shaft 20 rotates to drive the disc 23 to rotate, the disc 23 rotates to drive the fixed shaft 17 to rotate, the fixed shaft 17 rotates to drive the rack 27 to reciprocate under the coordination of the moving rod 16 and the sliding hole 24, the rack 27 reciprocates to drive the gear 25 to rotate positively and negatively, the gear 25 rotates to drive the connecting pipe 8 to rotate positively and negatively, the connecting pipe 8 rotates positively and negatively to drive the spraying head 11 to rotate positively and negatively, and the spraying head 4 finally passes through the fertilizer pipe 7 and the connecting pipe 8 due to the switch pump 5 being started 11, the sprinkler head 11 can be rotated back and forth to spray and irrigate vegetables in different directions on the vegetable field in a wider range, when vegetables with different heights need to be irrigated, the handle 14 can be rotated to drive the threaded rod 13 to rotate, the threaded rod 13 rotates to drive the first bearing seat 28 to drive the connecting pipe 8 to move, the connecting pipe 8 moves to drive the sprinkler head 11 to move, and therefore the height of the sprinkler head 11 from the ground is changed along with the movement of the sprinkler head 11, and the sprinkler head 11 can irrigate vegetables with different heights.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A mobile vegetable fertilizer applicator comprising a base plate (1), characterized in that: the upper end of the bottom plate (1) is fixedly connected with a liquid fertilizer box (4) and a support rod (15), the upper end of the liquid fertilizer box (4) is fixedly connected with a feeding pipe (6), a switch pump (5) and a spring pipe (7), one end of the spring pipe (7) far away from the liquid fertilizer box (4) is fixedly connected with a connecting pipe (8), one end of the connecting pipe (8) far away from the spring pipe (7) is fixedly connected with a sprinkler head (11), the circumferential surface of the supporting rod (15) is fixedly connected with a fixing plate (10), the fixing plate (10) is movably connected with the connecting pipe (8), the upper end of the fixing plate (10) is rotatably connected with a fixing ring (31), the upper end of the fixing ring (31) is fixedly connected with a gear (25), the fixed ring (31), the gear (25) and the connecting pipe (8) are connected in a sliding manner, and the device further comprises a power device, an angle adjusting device and a lifting device.
2. A mobile vegetable fertilizer applicator as recited in claim 1 wherein: the lower extreme fixedly connected with universal wheel (2) of bottom plate (1), universal wheel (2) are provided with a plurality ofly, and even distribution is at the lower extreme of bottom plate (1), the right-hand member fixedly connected with handle (3) of bottom plate (1).
3. A mobile vegetable fertilizer applicator as recited in claim 1 wherein: the angle adjusting device comprises a rotating shaft (20), a disc (23), a fixed shaft (17), a moving rod (16), a sliding hole (24), a rack (27), a second limiting groove (30), a second limiting block (32), a first limiting block (9) and a first limiting hole (26), the rotating shaft (20) is connected with the fixed plate (10) in a rotating mode, the disc (23) is fixedly connected to the upper end of the rotating shaft (20), the fixed shaft (17) is fixedly connected to the upper end of the disc (23), the second limiting groove (30) is formed in the upper end face of the fixed plate (10), the second limiting block (32) is connected with the second limiting groove (30) in a sliding mode, the rack (27) is fixedly connected to the upper end of the second limiting block (32), the rack (27) is meshed with a gear (25), and the moving rod (16) is fixedly connected to one end, far away from the gear (25), of the rack (27), the upper end surface of the moving rod (16) is provided with a sliding hole (24), and the sliding hole (24) is connected with the fixed shaft (17) in a sliding manner.
4. A mobile vegetable fertilizer applicator as recited in claim 1 wherein: first spacing hole (26) have been seted up to the up end of gear (25), the inside sliding connection in first spacing hole (26) has first stopper (9), fixed connection between first stopper (9) and connecting pipe (8).
5. A mobile vegetable fertilizer applicator as recited in claim 1 wherein: the power device comprises a motor (18), a driving wheel (22), a driven wheel (19) and a belt (21), the upper end of the fixing plate (10) is fixedly connected with the motor (18), the output shaft of the motor (18) is fixedly connected with the driving wheel (22), the lower end of the rotating shaft (20) is fixedly connected with the driven wheel (19), and the driving wheel (22) and the driven wheel (19) are connected through the belt (21).
6. A mobile vegetable fertilizer applicator as recited in claim 1 wherein: elevating gear includes guide bar (12), handle (14), threaded rod (13), primary shaft bearing (28) and secondary shaft bearing (29), periphery fixed connection secondary shaft bearing (29) of solid fixed ring (31), the periphery fixed connection primary shaft bearing (28) of connecting pipe (8) is located the right-hand member upper end fixed connection guide bar (12) of secondary shaft bearing (29), guide bar (12) with be located the right-hand member sliding connection between primary shaft bearing (28) is located the left end inside rotation connecting thread pole (13) of secondary shaft bearing (29), the upper end fixed connection handle (14) of threaded rod (13), threaded rod (13) with be located the left end threaded connection between primary shaft bearing (28).
7. A mobile vegetable fertilizer applicator as recited in claim 6 wherein: the shape of the thread between the threaded rod (13) and the first bearing seat (28) is triangular.
8. A mobile vegetable fertilizer applicator as recited in claim 3 wherein: the end face between the second limiting groove (30) and the second limiting block (32) is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364176.XA CN114600617A (en) | 2022-04-08 | 2022-04-08 | Portable vegetable fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210364176.XA CN114600617A (en) | 2022-04-08 | 2022-04-08 | Portable vegetable fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114600617A true CN114600617A (en) | 2022-06-10 |
Family
ID=81869923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210364176.XA Withdrawn CN114600617A (en) | 2022-04-08 | 2022-04-08 | Portable vegetable fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114600617A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115918497A (en) * | 2022-12-01 | 2023-04-07 | 广东省农业科学院植物保护研究所 | Rail-type water, fertilizer and pesticide integrated device for citrus orchard and application method |
-
2022
- 2022-04-08 CN CN202210364176.XA patent/CN114600617A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115918497A (en) * | 2022-12-01 | 2023-04-07 | 广东省农业科学院植物保护研究所 | Rail-type water, fertilizer and pesticide integrated device for citrus orchard and application method |
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Application publication date: 20220610 |
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| WW01 | Invention patent application withdrawn after publication |