CN116420485A - Intelligent variable fertilizing device based on Internet of things - Google Patents
Intelligent variable fertilizing device based on Internet of things Download PDFInfo
- Publication number
- CN116420485A CN116420485A CN202310689453.9A CN202310689453A CN116420485A CN 116420485 A CN116420485 A CN 116420485A CN 202310689453 A CN202310689453 A CN 202310689453A CN 116420485 A CN116420485 A CN 116420485A
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- China
- Prior art keywords
- connecting rod
- box body
- fixedly connected
- connecting pipe
- fertilizer
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Links
- 239000003337 fertilizer Substances 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 6
- 230000035558 fertility Effects 0.000 abstract description 7
- 230000004720 fertilization Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/16—Fertiliser distributors with means for pushing out the fertiliser, e.g. by a roller
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/12—Fertiliser distributors with movable parts of the receptacle
-
- 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
Abstract
The invention relates to the technical field of agricultural machinery, in particular to an intelligent variable fertilizing device based on the Internet of things, which comprises a box body, wherein conductivity detection equipment inserted into soil is arranged at the front end of the box body, a PLC (programmable logic controller) electrically connected with the conductivity detection equipment is arranged in the box body, a fertilizer box is fixedly connected onto the box body, a connecting pipe is communicated with the lower end of the fertilizer box through a feed opening, and a feed cylinder is communicated with one end of the connecting pipe. According to the invention, the soil fertility of the area is detected through the conductivity detection equipment, an electric signal is sent to the PLC, the PLC controls the electric push rod to push the sliding block and the push plate to move until the space between the push plate and the electric gate valve in the connecting pipe is adjusted to a proper range, and the fertilizer in the fertilizer box falls into the connecting pipe through the feed opening until the fertilizer fills the space between the push plate and the electric gate valve in the connecting pipe, so that the fertilizing amount can be adjusted according to the fertilizing degree of different lands.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an intelligent variable fertilizing device based on the Internet of things.
Background
Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, and in the primary processing and treatment process of agricultural and animal products, in the agricultural planting process, fertilizer is generally applied to the land by using a fertilizer applicator so as to promote the growth of crops and improve the yield of crops.
The existing fertilizer applicator has fixed blanking speed, and the quantity of the fertilized fertilizer cannot be correspondingly regulated according to different land fertility degrees and different growth vigor of crops between different ridges, so that the waste of the fertilizer is caused, and even the crops can be burnt out.
Disclosure of Invention
The invention aims at: in order to solve the problems, the intelligent variable fertilizing device based on the Internet of things is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the intelligent variable fertilizing device based on the Internet of things comprises a box body, wherein conductivity detection equipment inserted into soil is arranged at the front end of the box body, a PLC (programmable logic controller) electrically connected with the conductivity detection equipment is arranged in the box body, a fertilizer box is fixedly connected to the box body, a connecting pipe is communicated with the lower end of the fertilizer box through a discharging opening, a discharging barrel is communicated with one end of the connecting pipe, a baffle is arranged below the discharging barrel, a push plate is arranged in the connecting pipe, a pushing mechanism for driving the push plate to move is arranged in the box body, and a linkage mechanism for driving the baffle to rotate is arranged on the discharging barrel;
the pushing mechanism comprises a sliding rail fixedly connected with the inner side wall of the box body and a supporting table, a sliding block is connected in the sliding rail, an electric push rod electrically connected with the PLC is arranged on the sliding rail, the output end of the electric push rod is fixedly connected with the sliding block, a driving motor is arranged on the supporting table, the output end of the driving motor is fixedly connected with a disc coaxially arranged, one side of the disc is rotationally connected with a connecting rod III, one end of the connecting rod III is rotationally connected with a first rotating rod, one end of the first rotating rod is rotationally connected with a fourth connecting rod, one end of the fourth connecting rod is rotationally connected with a first connecting rod, the middle part of the first rotating rod is rotationally connected with a second connecting rod, one end of the second connecting rod is rotationally connected with the sliding block.
Preferably, the link gear includes the support frame with unloading section of thick bamboo lateral wall fixed connection, rotate on the support frame and be connected with the connecting axle, connecting axle both ends are fixedly connected with connecting rod seven and connecting rod eight respectively, fixedly connected with support on the support frame, rotate on the support and be connected with the commentaries on classics roller, commentaries on classics roller one end fixedly connected with connecting rod five, the commentaries on classics roller one end is kept away from to the connecting rod five and is rotated and is connected with connecting rod six, connecting rod five one end is kept away from to connecting rod six and connecting rod seven one end is rotated and is connected with connecting axle one end, connecting rod eight is kept away from connecting axle one end and is rotated and is connected with gyro wheel one, rotate on the unloading section of thick bamboo lateral wall and be connected with bull stick two, the both ends of bull stick two are equipped with balancing weight and gyro wheel two butt respectively, the baffle is rotated with unloading section of thick bamboo lower extreme through the pivot and is connected, baffle one side fixedly connected with arc piece, gyro wheel two and the inboard butt of arc piece.
Preferably, the rotating roller is connected with the output end of the driving motor through a belt.
Preferably, the electric gate valves are arranged in the connecting pipe and at the lower end of the fertilizer box, and a space formed between the electric gate valve in the connecting pipe and the pushing plate is matched with the blanking opening.
Preferably, the electric gate valve and the driving motor are respectively and electrically connected with the PLC.
Preferably, the driving motor is a servo motor.
Preferably, a moving wheel is arranged below the box body, and a handle is arranged on one side, far away from the blanking cylinder, of the box body.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. this application detects the soil fertility in this region through conductivity detection equipment to send electric signal to the PLC controller, promote slider and push pedal removal by PLC controller control electric putter, until the space adjustment in push pedal and the connecting pipe between the electric gate valve to suitable scope, open the electric gate valve of fertilizer case lower extreme, make the fertilizer in the fertilizer case drop to the connecting pipe through the feed opening in, until the space between the electric gate valve in fertilizer will push pedal and the connecting pipe is filled up, can be according to the different corresponding regulation fertilization quantity of difference of crop growth vigor between the fertile degree of different lands and the different lines of ridge, thereby avoid the waste that fertilizer is insufficient or fertilizer is too much causes.
2. This application drives the push pedal through driving motor and removes, release the inside fertilizer of connecting pipe to in falling into the feed cylinder, driving motor drives the push pedal and removes, drives the roller through the belt and rotates, thereby drive the bull stick through gyro wheel one and take place to deflect, drive gyro wheel two and move down, the arc piece loses the restriction, under baffle self gravity effect, the baffle rotates, make the fertilizer whereabouts in the feed cylinder, realize the fertilization, whole fertilization action is driven by driving motor, can realize both and go on in step, the accuracy and the fertilization efficiency of fertilization have been improved.
Drawings
Fig. 1 shows a schematic diagram of the overall structure of a fertilizer apparatus provided according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of the internal structure of a box provided according to an embodiment of the present invention;
fig. 3 shows a structural cross-sectional view of a pushing mechanism provided according to an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a linkage mechanism according to an embodiment of the present invention;
FIG. 5 shows an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;
fig. 6 shows a schematic diagram of a linkage mechanism and a baffle according to an embodiment of the invention.
Legend description:
1. a case; 2. a moving wheel; 3. a handle; 4. a fertilizer box; 5. a connecting pipe; 6. a feed opening; 7. a blanking cylinder; 8. a push plate; 9. a first connecting rod; 10. a slide rail; 11. a slide block; 12. an electric push rod; 13. a second connecting rod; 14. a first rotating rod; 15. a support table; 16. a driving motor; 17. a disc; 18. a third connecting rod; 19. a fourth connecting rod; 20. a support frame; 21. a bracket; 22. a rotating roller; 23. a belt; 24. a fifth connecting rod; 25. a connecting rod six; 26. a connecting rod seven; 27. a connecting shaft; 28. a connecting rod eight; 29. a roller I; 30. a second rotating rod; 31. balancing weight; 32. a second roller; 33. an arc-shaped block; 34. a baffle; 35. a rotating shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the intelligent variable fertilizing device based on the Internet of things comprises a box body 1, wherein conductivity detection equipment inserted into soil is arranged at the front end of the box body 1, a PLC (programmable logic controller) electrically connected with the conductivity detection equipment is arranged inside the box body 1, a fertilizer box 4 is fixedly connected to the box body 1, a connecting pipe 5 is communicated with the lower end of the fertilizer box 4 through a feed opening 6, one end of the connecting pipe 5 is communicated with a feed cylinder 7, a baffle 34 is arranged below the feed cylinder 7, a push plate 8 is arranged in the connecting pipe 5, a pushing mechanism for driving the push plate 8 to move is arranged inside the box body 1, and a linkage mechanism for driving the baffle 34 to rotate is arranged on the feed cylinder 7; the pushing mechanism comprises a sliding rail 10 fixedly connected with the inner side wall of the box body 1 and a supporting table 15, a sliding block 11 is slidably connected in the sliding rail 10, an electric push rod 12 electrically connected with a PLC (programmable logic controller) is arranged on the sliding rail 10, the output end of the electric push rod 12 is fixedly connected with the sliding block 11, a driving motor 16 is arranged on the supporting table 15, the output end of the driving motor 16 is fixedly connected with a disc 17 coaxially arranged, one side of the disc 17 is rotationally connected with a connecting rod III 18, one end of the connecting rod III 18, which is far away from the disc 17, is rotationally connected with a rotating rod I14, one end of the rotating rod I14, which is far away from the connecting rod III 18, is rotationally connected with a connecting rod IV 19, one side of the pushing plate 8 is fixedly connected with a connecting rod I9, one end of the connecting rod IV 19, the middle part of the connecting rod IV is rotationally connected with a connecting rod II 13, one end of the connecting rod II 13 is far away from the rotating rod I14, and the sliding block 11. The soil fertility in this region is detected through conductivity detection equipment to send electric signals to the PLC controller, the electric putter 12 is controlled by the PLC controller to push the slider 11 and push plate 8 moves until the space between the electric gate valve in push plate 8 and connecting pipe 5 is adjusted to a proper range, the electric gate valve at the lower end of fertilizer box 4 is opened, so that fertilizer in fertilizer box 4 falls into connecting pipe 5 through feed opening 6 until the space between push plate 8 and the electric gate valve in connecting pipe 5 is filled with fertilizer, and the quantity of fertilizer can be correspondingly adjusted according to the difference of crop growth vigor between different land fertility degrees and different ridge, thereby avoiding waste caused by insufficient fertilizer or excessive fertilizer.
Specifically, as shown in fig. 4, fig. 5 and fig. 6, the linkage mechanism comprises a supporting frame 20 fixedly connected with the side wall of the blanking barrel 7, a connecting shaft 27 is rotatably connected to the supporting frame 20, two ends of the connecting shaft 27 are fixedly connected with a connecting rod seven 26 and a connecting rod eight 28 respectively, a support 21 is fixedly connected to the supporting frame 20, a rotating roller 22 is rotatably connected to the support 21, one end of the rotating roller 22 is fixedly connected with a connecting rod five 24, one end of the connecting rod five 24, far from the rotating roller 22, is rotatably connected with a connecting rod six 25, one end of the connecting rod six 25, far from the connecting rod five 24, is rotatably connected with one end of the connecting rod seven 26, far from the connecting shaft 27, a roller one end of the connecting rod eight 28 is rotatably connected with a roller 29, a rotating rod two 30 is rotatably connected to the side wall of the blanking barrel 7, two ends of the rotating rod two 30 are respectively provided with a balancing weight 31 and a roller two 32, the roller one 29 is in butt with the rotating rod two 30, the baffle 34 is rotatably connected with the lower end of the blanking barrel 7 through a rotating shaft 35, one side of the baffle 34 is fixedly connected with an arc block 33, and the roller two 32 is in butt with the inner side of the arc block 33. The rotary roller 22 is connected with the output end of the driving motor 16 through a belt 23. The push plate 8 is driven to move by the driving motor 16, fertilizer in the connecting pipe 5 is pushed out and falls into the discharging barrel 7, the driving motor 16 drives the push plate 8 to move and simultaneously drives the rotary roller 22 to rotate by the belt 23, so that the rotary rod II 30 is driven to deflect by the roller I29, the roller II 32 is driven to move downwards, the arc-shaped block 33 is out of limit, the baffle 34 rotates under the self gravity action of the baffle 34, the fertilizer in the discharging barrel 7 falls, the fertilization is realized, the whole fertilization action is driven by the driving motor 16, the synchronous operation of the two is realized, and the fertilization accuracy and the fertilization efficiency are improved.
Specifically, as shown in fig. 2, 3 and 4, electric gate valves are respectively arranged in the connecting pipe 5 and at the lower end of the fertilizer box 4, and a space formed between the electric gate valve in the connecting pipe 5 and the push plate 8 is matched with the feed opening 6. The electric gate valve and the driving motor 16 are electrically connected with the PLC controller, respectively. The drive motor 16 is a servo motor. Through the setting of two electric gate valves for inside can form the enclosure space of adjustable size of connecting pipe 5, and detect the information transfer with soil fertility to the PLC controller through conductivity detection equipment, promote push pedal 8 removal by PLC controller control electric putter 12, thereby change the space size between the electric gate valve in push pedal 8 and the connecting pipe 5, make it correspond with this soil required fertilization volume, and then realize variable fertilization.
Specifically, as shown in fig. 1, a moving wheel 2 is arranged below the box 1, and a handle 3 is arranged on one side of the box 1 away from the blanking barrel 7. The movable wheels 2 are arranged to facilitate movement of the box body 1, and the handles 3 are arranged to facilitate the operation of pushing the box body 1 by operators, so that the operators can conveniently apply fertilizer.
In summary, when the intelligent variable fertilizing device based on the internet of things provided by the embodiment is used, firstly, the soil fertility of the area is detected through the conductivity detection equipment, an electric signal is sent to the PLC controller, the PLC controller controls the electric push rod 12 to push the slide block 11 to move, thereby pushing the first rotary rod 14 to move through the second connecting rod 13, and further driving the push plate 8 to move through the fourth connecting rod 19 until the space between the push plate 8 and the electric gate valve in the connecting pipe 5 is adjusted to a proper range, the electric gate valve at the lower end of the fertilizer box 4 is opened, so that fertilizer in the fertilizer box 4 falls into the connecting pipe 5 through the feed opening 6 until the space between the push plate 8 and the electric gate valve in the connecting pipe 5 is filled with the fertilizer, the electric gate valve at the lower end of the fertilizer box 4 is closed, the electric gate valve in the connecting pipe 5 is opened, the disc 17 is driven to rotate by the driving motor 16, the connecting rod III 18 drives the rotating rod I14 to swing, the connecting rod IV 19 drives the pushing plate 8 to move, the fertilizer in the connecting pipe 5 is pushed out and falls into the blanking barrel 7, the driving motor 16 drives the disc 17 to rotate, the belt 23 drives the rotating roller 22 to rotate, the connecting rod V24 is driven to rotate around the axle center of the rotating roller 22, the connecting rod V25 drives the connecting rod V26 to swing, the connecting shaft 27 is driven to rotate, the connecting rod V28 is driven to swing, the roller I29 drives the rotating rod II 30 to deflect, the roller II 32 is driven to move downwards, the arc-shaped block 33 is out of limit, the baffle 34 rotates under the self gravity action of the baffle 34, the fertilizer in the blanking barrel 7 falls down, the fertilization is realized, in the process, the roller II 32 is always attached to the inner side of the arc-shaped block 33, after the blanking is finished, the driving motor 16 drives the pushing plate 8 and the roller I29 to reset, the second rotating rod 30 rotates reversely under the gravity action of the balancing weight 31, and the second roller 32 limits the arc-shaped block 33, so that the baffle 34 shields the lower end of the discharging barrel 7 again.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The intelligent variable fertilizing device based on the Internet of things comprises a box body (1), wherein conductivity detection equipment inserted into soil is arranged at the front end of the box body (1), a PLC (programmable logic controller) electrically connected with the conductivity detection equipment is arranged inside the box body (1), and the intelligent variable fertilizing device is characterized in that a fertilizer box (4) is fixedly connected to the box body (1), a connecting pipe (5) is communicated with the lower end of the fertilizer box (4) through a discharging opening (6), a discharging barrel (7) is communicated with one end of the connecting pipe (5), a baffle plate (34) is arranged below the discharging barrel (7), a push plate (8) is arranged in the connecting pipe (5), a pushing mechanism for driving the push plate (8) to move is arranged inside the box body (1), and a linkage mechanism for driving the baffle plate (34) to rotate is arranged on the discharging barrel (7);
the utility model provides a pushing equipment, including slide rail (10) and brace table (15) with box (1) inside wall fixed connection, sliding connection has slider (11) in slide rail (10), be equipped with on slide rail (10) with PLC controller electric connection's electric putter (12), electric putter's (12) output and slider (11) fixed connection, be equipped with driving motor (16) on brace table (15), driving motor's (16) output fixedly connected with disc (17) of coaxial setting, disc (17) one side rotation is connected with connecting rod three (18), disc (17) one end rotation is kept away from to connecting rod three (18) is connected with bull stick one (14), connecting rod one (14) one end rotation is kept away from connecting rod three (18) and is connected with connecting rod four (19), connecting rod one (9) of push pedal (8) one side fixedly connected with, connecting rod four (19) are kept away from bull stick one end and connecting rod one (9) rotation, connecting rod one (14) intermediate part rotation is connected with connecting rod two (13), connecting rod one (13) one end is kept away from connecting rod one (11) fixedly connected with bull stick one (11).
2. The intelligent variable fertilizing device based on the Internet of things, which is characterized in that the linkage mechanism comprises a supporting frame (20) fixedly connected with the side wall of a lower charging barrel (7), a connecting shaft (27) is rotationally connected to the supporting frame (20), a connecting rod seven (26) and a connecting rod eight (28) are respectively and fixedly connected to two ends of the connecting shaft (27), a bracket (21) is fixedly connected to the supporting frame (20), a rotating roller (22) is rotationally connected to the bracket (21), a connecting rod five (24) is fixedly connected to one end of the rotating roller (22), one end of the connecting rod five (24) far away from the rotating roller (22) is rotationally connected with a connecting rod six (25), one end of the connecting rod six (25) far away from the connecting rod five (24) is rotationally connected with one end of the connecting rod seven (26) far away from the connecting shaft (27), a rotating wheel one end of the connecting rod eight (28) is rotationally connected with a rotating wheel one (29), a rotating rod two (30) is rotationally connected to the side wall of the lower charging barrel (7), two ends of the rotating rod two (30) are respectively provided with a balancing weight (31) and two (32) of the rotating rod two (30) far from the rotating shaft (29) and the rotating end of the lower charging barrel (35), an arc-shaped block (33) is fixedly connected to one side of the baffle (34), and the second roller (32) is abutted to the inner side of the arc-shaped block (33).
3. The intelligent variable fertilizing device based on the Internet of things according to claim 2, wherein the rotating roller (22) is connected with the output end of the driving motor (16) through a belt (23).
4. The intelligent variable fertilizing device based on the Internet of things according to claim 1, wherein electric gate valves are arranged inside the connecting pipe (5) and at the lower end of the fertilizer box (4), and a space formed between the electric gate valve inside the connecting pipe (5) and the pushing plate (8) is matched with the blanking opening (6).
5. The intelligent variable fertilizing device based on the Internet of things, according to claim 4, wherein the electric gate valve and the driving motor (16) are respectively and electrically connected with the PLC.
6. The intelligent variable fertilizing device based on the Internet of things, according to claim 5, wherein the driving motor (16) is a servo motor.
7. The intelligent variable fertilizing device based on the Internet of things according to any one of claims 1 to 6, wherein a moving wheel (2) is arranged below the box body (1), and a handle (3) is arranged on one side, far away from the blanking barrel (7), of the box body (1).
Priority Applications (1)
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|---|---|---|---|
| CN202310689453.9A CN116420485B (en) | 2023-06-12 | 2023-06-12 | Intelligent variable fertilizing device based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310689453.9A CN116420485B (en) | 2023-06-12 | 2023-06-12 | Intelligent variable fertilizing device based on Internet of things |
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| CN116420485A true CN116420485A (en) | 2023-07-14 |
| CN116420485B CN116420485B (en) | 2023-08-25 |
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| DE102018131070A1 (en) * | 2018-12-05 | 2020-06-10 | Horsch Leeb Application Systems Gmbh | Spreading machine for spreading granular agricultural material and method for distributing granular agricultural material |
| CN110558017A (en) * | 2019-10-16 | 2019-12-13 | 南京林业大学 | Intelligent agricultural fertilizer application device based on soil ditcher |
| CA3195072A1 (en) * | 2020-12-18 | 2022-05-05 | Precision Planting Llc | Meter calibration |
| CN114467456A (en) * | 2022-01-14 | 2022-05-13 | 温州科技职业学院 | Quantitative fertilizing device of vegetable planting water and fertilizer all-in-one machine |
| CN114303557A (en) * | 2022-01-21 | 2022-04-12 | 李秀川 | Intelligent fertilizer injection unit of agricultural machine |
| WO2022167010A2 (en) * | 2022-04-01 | 2022-08-11 | 青岛农业大学 | Variable-scale variable-rate topdressing device |
| CN218244442U (en) * | 2022-07-13 | 2023-01-10 | 宗建平 | Agricultural intelligent agricultural is with accurate controlling means that fertilizies |
| CN115777291A (en) * | 2022-11-24 | 2023-03-14 | 榆社县农业农村局 | Farming is with integrative device of uniform fertilizing and seeding |
| CN218550635U (en) * | 2022-11-30 | 2023-03-03 | 陈德朝 | Fertilizer injection unit for forestry is planted |
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