CN218072852U - Fertilizer applicator for crop roots - Google Patents
Fertilizer applicator for crop roots Download PDFInfo
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- CN218072852U CN218072852U CN202222229925.6U CN202222229925U CN218072852U CN 218072852 U CN218072852 U CN 218072852U CN 202222229925 U CN202222229925 U CN 202222229925U CN 218072852 U CN218072852 U CN 218072852U
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- feed bin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The utility model belongs to the technical field of the fertilizer applicator, concretely relates to crops root fertilizer applicator, including the sill bar, the top of sill bar is provided with annotates the feed bin, and the top of annotating the feed bin is connected with the ejector pin, and the top of ejector pin is provided with the holding rod of L shape, and the sill bar includes conical fertilization mouth, and the top of fertilization mouth is connected with down the feed bin, and the bottom at annotating the feed bin is connected at the top of storage silo in the top of feed bin down. The utility model has the advantages that: through setting up whole device into walking stick shape, convenient handheld, through setting up the mouth of fertilizeing into the taper shape, conveniently pierce the soil with the mouth of fertilizeing in, need not artifical excavation, support four bin gates through setting up four vaulting poles at the mouth of fertilizeing, spill into soil and fertilize in the bin gate through strutting four bin gates, avoid artifical fertilization, use manpower sparingly, improve fertilization efficiency.
Description
Technical Field
The utility model belongs to the technical field of the fertilizer applicator, concretely relates to crops root fertilizer applicator.
Background
The method is characterized in that the fertilizer is applied in a less way, the fertilizer is not strong enough, leaves are yellow, more fertilizer is burned, the fertilizer is applied well, the healthy growth of crops can be guaranteed, the final harvest can be seized, and the fertilizer is applied.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model aims to: the utility model provides a crops root fertilizer applicator, solves traditional buried fertilizer and relies on the manual work, wastes time and energy and does not well control the problem of degree of depth and fertilization volume.
For the purpose of realizing above, the utility model discloses a technical scheme: the utility model provides a crops root fertilizer applicator, includes the sill bar, the top of sill bar is provided with annotates the feed bin, the top of annotating the feed bin is connected with the ejector pin, the top of ejector pin is provided with the holding rod of L shape, the sill bar includes conical fertilization mouth, the top of fertilization mouth is connected with down the feed bin, the top of feed bin is connected with the storage silo down the top of storage silo is connected annotate the bottom of feed bin, the fertilization mouth includes four bin gates, four the top of bin gate is all connected on first link, four the equal swing joint of first link is on first link, the top of first link is connected with down the feed bin, first link is installed to both sides on the inner wall of feed bin down, two all install first push-and-pull rod on the first link, two one side of first link is kept away from is connected with the second link, the below of second link is provided with the third link leads to first fixed connection, rotate on the third link and be connected with four second link, four inner wall all install the push-pull rod on the push-pull rod.
The beneficial effects of the utility model are that: through setting up whole device into walking stick shape, convenient handheld, through setting up the mouth of fertilizeing into the taper shape, conveniently pierce the soil with the mouth of fertilizeing in, need not artifical excavation, support four bin gates through setting up four vaulting poles at the mouth of fertilizeing, spill into soil and fertilize in the bin gate through strutting four bin gates, avoid artifical fertilization, use manpower sparingly, improve fertilization efficiency.
Fertilizing in order to insert the device into the soil;
as a further improvement of the above technical solution: the material injection bin is arranged to be a transparent material injection bin, a feeding port is arranged at the top of the material injection bin, and the cross section of the bottom of the material injection bin is trapezoidal.
The beneficial effect of this improvement does: through will annotate the feed bin and set up to the convenient surplus of observing fertilizer in the storehouse constantly for transparent notes feed bin, be convenient for in time supply, set up into trapezoidal convenience through the cross section that will annotate feed bin bottom and put into the storage silo with fertilizer.
In order to observe the surplus of the fertilizer in the material injection bin so as to supplement the fertilizer in time;
as a further improvement of the above technical solution: the holding rod is provided with a battery compartment at one end far away from the ejector rod, and a charging port is formed in the bottom of the battery compartment.
The beneficial effect of this improvement does: the battery bin is arranged on the holding rod, so that electric power is conveniently supplied to the device, and the charging port is arranged at the bottom of the battery bin, so that the storage battery in the battery bin can be charged conveniently through the charging port.
In order to provide sufficient power to the device;
as a further improvement of the technical scheme: and two switches are arranged at one end of the holding rod close to the ejector rod.
The beneficial effect of this improvement does: the two switches are arranged to facilitate the operation of the device, so that labor is saved.
To facilitate operation of the device;
as a further improvement of the above technical solution: the storage silo with install two semicircular third bottom plates, two between the feed bin down the third bottom plate is close to the equal swing joint of one side of storage silo inner wall has the second spliced pole, two first connecting seat, two are all installed to the bottom of second spliced pole all be connected with the second push-and-pull rod on the first connecting seat, two the second push-and-pull rod passes through the second connecting seat and connects on the inner wall of feed bin down.
The beneficial effect of this improvement does: the two second connecting columns are pulled open by arranging the two second push-pull rods, so that manual opening is avoided, and labor is saved.
In order to conveniently pull the two second connecting columns apart, the materials are injected into the discharging bin;
as a further improvement of the above technical solution: lower feed bin with be provided with two semicircular second bottom plates between the mouth of fertilizeing, two the second bottom plate all passes through second spliced pole swing joint be in on the inner wall of the mouth of fertilizeing, two the bottom of second bottom plate all passes through first connecting seat is connected with the second push-and-pull rod, two the bottom of second push-and-pull rod is passed through the second push-and-pull rod is connected on the inner wall of the mouth of fertilizeing.
The beneficial effect of this improvement does: the two second bottom plates are pulled open by arranging the two second push-pull rods, so that manual opening is avoided, and labor is saved.
In order to conveniently pull the two second bottom plates apart, the material is injected into the fertilizer applying port;
as a further improvement of the above technical solution: and two weight sensors are arranged above the second bottom plate, and a first bottom plate is connected above the two weight sensors.
The beneficial effect of this improvement does: the fertilizer in the feed bin is conveniently weighed by arranging the two weight sensors, and the weighed fertilizer is applied to contribute to quantitative fertilization, so that the fertilization effect is optimized.
In order to facilitate quantitative fertilization;
as a further improvement of the above technical solution: the height of the fertilizer applying opening is consistent with the depth of the fertilizer to be applied.
The beneficial effect of this improvement does: the height of the fertilizing opening is consistent with the required fertilizing depth, so that the fertilizing depth is consistent, and the fertilizing effect cannot be influenced by too deep or too shallow fertilizing depth.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a schematic side view of the bottom rod of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the inside of the fertilizer hole of the utility model;
FIG. 4 is a schematic view of the three-dimensional structure of the fertilizer opening door of the present invention;
FIG. 5 is an exploded view of the inner structure of the fertilizer application port of the present invention;
FIG. 6 is a cross-sectional view of the internal linking structure of the bottom rod of the present invention;
FIG. 7 is a schematic view of the three-dimensional structure of the grip of the present invention;
in the figure: 1. a bottom bar; 2. a material filling bin; 3. a top rod; 4. a holding rod; 5. a battery compartment; 6. a switch; 7. Fertilizing; 8. discharging a bin; 9. a storage bin; 10. a bin gate; 11. a first push-pull rod; 12. a first connection block; 13. a first connection frame; 14. a first connecting ring; 15. a second connection frame; 16. a stay bar; 17. A third connection frame; 18. a first securing latch; 19. a first base plate; 20. a second base plate; 21. a second connecting column; 22. a weight sensor; 23. a second push-pull rod; 24. a first connecting seat; 25. a second connecting seat; 26. a charging port; 27. a third base plate; 28. a second connection ring.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Example 1:
as shown in fig. 1-7: the utility model provides a crops root fertilizer applicator, includes sill bar 1, the top of sill bar 1 is provided with notes feed bin 2, the top of notes feed bin 2 is connected with ejector pin 3, the top of ejector pin 3 is provided with holding rod 4 of L shape, sill bar 1 includes conical fertilization mouth 7, the top of fertilization mouth 7 is connected with down feed bin 8, the top of feed bin 8 is connected with storage silo 9 down the top of storage silo 9 is connected annotate the bottom of feed bin 2, it includes four door 10, four to fertilize mouth 7 the top of door 10 is all connected on first connecting ring 14, four the equal swing joint of first connecting ring 14 is on first connecting frame 13, the top of first connecting frame 13 is connected with down feed bin 8, first connecting block 12 is installed to both sides on the inner wall of feed bin 8 down, two all install first push-pull rod 11 on the first connecting block 12, two first push-pull rod 11 keeps away from one side of first connecting block 12 is connected with second connecting frame 15, the below of second connecting frame 15 is provided with third connecting ring 17 the connecting ring 17, the connecting rod 17 is connected with the second connecting ring 17, the connecting rod 17, the upper end of the second connecting rod 17 is connected with the fourth connecting ring 17, the connecting rod 17, the upper connecting rod 17 is connected with the fourth connecting rod 17, the upper connecting rod 17.
The working principle of the technical scheme is as follows: through setting up whole device into walking stick shape, convenient handheld, through setting up fertilization mouth 7 to the taper shape, conveniently pierce fertilization mouth 7 in the soil, need not artifical the excavation, support four door 10 through setting up four vaulting poles 16 at fertilization mouth 7, spill soil with the fertilizer in the door 10 and fertilize through strutting four door 10, avoid artifical fertilization, use manpower sparingly, improve fertilization efficiency.
Example 2:
as shown in fig. 1-7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots includes a bottom rod 1, a material injection bin 2 is disposed above the bottom rod 1, a top rod 3 is connected to the top of the material injection bin 2, a holding rod 4 in an L shape is disposed above the top rod 3, the bottom rod 1 includes a conical fertilizer application port 7, the top of the fertilizer application port 7 is connected to a lower bin 8, the top of the lower bin 8 is connected to a material storage bin 9, the top of the material storage bin 9 is connected to the bottom of the material injection bin 2, the fertilizer application port 7 includes four bin doors 10, four bin doors 10 are connected to the top of the first connection ring 14, four first connection rings 14 are movably connected to the first connection frame 13, a lower bin 8 is connected to the top of the first connection frame 13, first connection blocks 12 are installed on both sides of the inner wall of the lower bin 8, two first connection blocks 12 are all installed with first push-pull rods 11, two first push-pull rods 11 are connected to one side of the first connection block 12, a second connection ring 15 is connected to the second connection ring 15, and a third connection ring 17 is connected to the upper connection ring 17. The material injection bin 2 is arranged to be a transparent material injection bin, a feed opening is formed in the top of the material injection bin 2, and the cross section of the bottom of the material injection bin 2 is trapezoidal.
Example 3:
as shown in fig. 1-7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots includes a bottom rod 1, a material injection bin 2 is disposed above the bottom rod 1, a top rod 3 is connected to the top of the material injection bin 2, a holding rod 4 in an L shape is disposed above the top rod 3, the bottom rod 1 includes a conical fertilizer application port 7, the top of the fertilizer application port 7 is connected to a lower bin 8, the top of the lower bin 8 is connected to a material storage bin 9, the top of the material storage bin 9 is connected to the bottom of the material injection bin 2, the fertilizer application port 7 includes four bin doors 10, four bin doors 10 are connected to the top of the first connection ring 14, four first connection rings 14 are movably connected to the first connection frame 13, a lower bin 8 is connected to the top of the first connection frame 13, first connection blocks 12 are installed on both sides of the inner wall of the lower bin 8, two first connection blocks 12 are all installed with first push-pull rods 11, two first push-pull rods 11 are connected to one side of the first connection block 12, a second connection ring 15 is connected to the second connection ring 15, and a third connection ring 17 is connected to the upper connection ring 17. The holding rod 4 is provided with a battery compartment 5 at one end far away from the top rod 3, and a charging port 26 is arranged at the bottom of the battery compartment 5.
Example 4:
as shown in fig. 1-7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots includes a bottom rod 1, a material injection bin 2 is disposed above the bottom rod 1, a top rod 3 is connected to the top of the material injection bin 2, a holding rod 4 in an L shape is disposed above the top rod 3, the bottom rod 1 includes a conical fertilizer application port 7, the top of the fertilizer application port 7 is connected to a lower bin 8, the top of the lower bin 8 is connected to a material storage bin 9, the top of the material storage bin 9 is connected to the bottom of the material injection bin 2, the fertilizer application port 7 includes four bin doors 10, four bin doors 10 are connected to the top of the first connection ring 14, four first connection rings 14 are movably connected to the first connection frame 13, a lower bin 8 is connected to the top of the first connection frame 13, first connection blocks 12 are installed on both sides of the inner wall of the lower bin 8, two first connection blocks 12 are all installed with first push-pull rods 11, two first push-pull rods 11 are connected to one side of the first connection block 12, a second connection ring 15 is connected to the second connection ring 15, and a third connection ring 17 is connected to the upper connection ring 17. One end of the holding rod 4 close to the top rod 3 is provided with two switches 6.
Example 5:
as shown in fig. 1-7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots includes a bottom rod 1, a material injection bin 2 is disposed above the bottom rod 1, a top rod 3 is connected to the top of the material injection bin 2, a holding rod 4 in an L shape is disposed above the top rod 3, the bottom rod 1 includes a conical fertilizer application port 7, the top of the fertilizer application port 7 is connected to a lower bin 8, the top of the lower bin 8 is connected to a material storage bin 9, the top of the material storage bin 9 is connected to the bottom of the material injection bin 2, the fertilizer application port 7 includes four bin doors 10, four bin doors 10 are connected to the top of the first connection ring 14, four first connection rings 14 are movably connected to the first connection frame 13, a lower bin 8 is connected to the top of the first connection frame 13, first connection blocks 12 are installed on both sides of the inner wall of the lower bin 8, two first connection blocks 12 are all installed with first push-pull rods 11, two first push-pull rods 11 are connected to one side of the first connection block 12, a second connection ring 15 is connected to the second connection ring 15, and a third connection ring 17 is connected to the upper connection ring 17. Storage silo 9 with install two semicircular third bottom plates 27, two between the feed bin 8 down third bottom plate 27 is close to the equal swing joint in one side of storage silo 9 inner wall has second spliced pole 21, two first connecting seat 24, two are all installed to the bottom of second spliced pole 21 all be connected with second push-and-pull rod 23 on the first connecting seat 24, two second push-and-pull rod 23 passes through second connecting seat 25 and connects on the inner wall of feed bin 8 down.
Example 6:
as shown in fig. 1 to 7, as a further optimization of the above embodiment, a fertilizer applicator for roots of crops, wherein two semicircular third bottom plates 27 are installed between the storage bin 9 and the lower storage bin 8, one side of each of the two third bottom plates 27 close to the inner wall of the storage bin 9 is movably connected with a second connecting column 21, the bottom of each of the two second connecting columns 21 is provided with a first connecting seat 24, each of the two first connecting seats 24 is connected with a second push-pull rod 23, and each of the two second push-pull rods 23 is connected to the inner wall of the lower storage bin 8 through a second connecting seat 25. Two semicircular second bottom plates 20 are arranged between the lower storage bin 8 and the fertilizer application opening 7, the two second bottom plates 20 are movably connected to the inner wall of the fertilizer application opening 7 through second connecting columns 21, the bottoms of the two second bottom plates 20 are connected to second push-pull rods 23 through first connecting seats 24, and the bottoms of the two second push-pull rods 23 are connected to the inner wall of the fertilizer application opening 7 through the second push-pull rods 23.
Example 7:
as shown in fig. 1 to 7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots is provided, wherein two semicircular second bottom plates 20 are disposed between the lower bin 8 and the fertilizer application opening 7, the two second bottom plates 20 are movably connected to the inner wall of the fertilizer application opening 7 through the second connecting column 21, the bottoms of the two second bottom plates 20 are connected to the second push-pull rod 23 through the first connecting seat 24, and the bottoms of the two second push-pull rods 23 are connected to the inner wall of the fertilizer application opening 7 through the second push-pull rod 23. Weight sensors 22 are arranged above the two second bottom plates 20, and a first bottom plate 19 is connected above the two weight sensors 22.
Example 8:
as shown in fig. 1 to 7, as a further optimization of the above embodiment, a fertilizer applicator for crop roots comprises a bottom rod 1, a material injection bin 2 is arranged above the bottom rod 1, a top rod 3 is connected to the top of the material injection bin 2, a holding rod 4 in an L shape is arranged above the top rod 3, the bottom rod 1 comprises a conical fertilizer application port 7, the top of the fertilizer application port 7 is connected to a lower bin 8, the top of the lower bin 8 is connected to a material storage bin 9, the top of the material storage bin 9 is connected to the bottom of the material injection bin 2, the fertilizer application port 7 comprises four bin doors 10, the top of the bin door 10 is connected to a first connecting ring 14, four first connecting rings 14 are movably connected to a first connecting frame 13, a lower bin 8 is connected to the top of the first connecting frame 13, first connecting blocks 12 are installed on both sides of the inner wall of the lower bin 8, two first push-pull rods 11 are installed on the first connecting blocks 12, two first push-pull rods 11 are connected to one side far away from the first connecting block 12, a second connecting ring 15 is connected to a second connecting block 15, a third connecting ring 17 is connected to a second connecting rod 17, and a third connecting rod 17 is connected to a connecting rod 17. The height of the fertilizer application opening 7 is consistent with the depth of the fertilizer application required.
The utility model discloses a theory of operation and use flow: the device is charged by connecting a power supply through a charging port 26 until the device is full, the fully charged device is placed at a proper position, waste materials are filled into the filling bin 2 through a feeding port of the filling bin 2, the fertilizer applying port 7 of the bottom rod 1 is pricked into soil to a proper depth by holding the holding rod 4, two second push-pull rods 23 under a third bottom plate 27 are shortened by pressing one switch 6, fertilizers in the storage bin 9 fall into the lower bin 8, when the weight of the fertilizers in the lower bin 8 is monitored by the weight sensor 22 between the first bottom plate 19 and the second bottom plate 20 to reach a preset weight, the second push-pull rods 23 are extended, the two third bottom plates 27 are closed, then the second bottom plate 20 is opened by shortening the length of the second push-pull rods 23 under the two second bottom plates 20, the fertilizers in the lower bin 8 fall into the fertilizer applying port 7, the other switch 6 is pressed again, the length of the first push-pull rod 11 is extended, the bin door 10 outside the first fixing bolt 18 is pulled out, the fertilizer in the bin door 10 is pulled out suddenly, the fertilizer applying port 11 is pulled out, and the fertilizers are spread out from the first push-pull rod 11, and the fertilizer applying device is spread once.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. It should be noted that there are no specific structures but rather a number of modifications, decorations or changes that can be made by one skilled in the art without departing from the principles of the invention; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.
Claims (8)
1. A fertilizer applicator for crop roots is characterized in that: comprises a bottom rod (1), wherein an injection bin (2) is arranged above the bottom rod (1), the top of the injection bin (2) is connected with a push rod (3), an L-shaped holding rod (4) is arranged above the push rod (3), the bottom rod (1) comprises a conical fertilization port (7), the top of the fertilization port (7) is connected with a lower bin (8), the top of the lower bin (8) is connected with a storage bin (9), the top of the storage bin (9) is connected with the bottom of the injection bin (2), the fertilization port (7) comprises four bin doors (10), the tops of the four bin doors (10) are connected with a first connecting ring (14), four first connecting rings (14) are movably connected on the first connecting frame (13), the upper part of the first connecting frame (13) is connected with the lower bin (8), two sides of the inner wall of the lower bin (8) are provided with first connecting blocks (12), two first connecting blocks (11) are respectively mounted on the first connecting blocks (12), two first connecting blocks (11) are connected with a second connecting block (15) through a push-pull rod (17), and a third connecting block (17) is arranged on one side of the first connecting block (17), the third connecting frame (17) is rotatably connected with four second connecting rings (28), the four second connecting rings (28) are provided with support rods (16), and one ends, far away from the second connecting rings (28), of the support rods (16) are connected to the inner wall of the bin door (10).
2. The crop root fertilizer applicator of claim 1, wherein: annotate feed bin (2) and set up to transparent notes feed bin, the top of annotating feed bin (2) is provided with the dog-house, the cross section of annotating feed bin (2) bottom sets up to trapezoidal.
3. The crop root fertilizer applicator of claim 1, wherein: one end of the holding rod (4) far away from the ejector rod (3) is provided with a battery bin (5), and the bottom of the battery bin (5) is provided with a charging port (26).
4. The crop root fertilizer applicator of claim 1, wherein: and two switches (6) are arranged at one end of the holding rod (4) close to the ejector rod (3).
5. The crop root fertilizer applicator of claim 1, wherein: storage silo (9) with install two semicircular third bottom plates (27), two down between feed bin (8) third bottom plate (27) are close to the equal swing joint in one side of storage silo (9) inner wall has second spliced pole (21), two first connecting seat (24), two are all installed to the bottom of second spliced pole (21) all be connected with second push-and-pull rod (23), two on first connecting seat (24) second push-and-pull rod (23) are connected through second connecting seat (25) on the inner wall of feed bin (8) down.
6. The crop root fertilizer applicator as claimed in claim 5, wherein: lower feed bin (8) with be provided with two semicircular second bottom plates (20) between fertilization mouth (7), two second bottom plate (20) all pass through second spliced pole (21) swing joint be in on the inner wall of fertilization mouth (7), two the bottom of second bottom plate (20) all passes through first connecting seat (24) is connected with second push-and-pull rod (23), two the bottom of second push-and-pull rod (23) is passed through second push-and-pull rod (23) are connected on the inner wall of fertilization mouth (7).
7. The crop root fertilizer applicator of claim 6, wherein: two weight sensors (22) are arranged above the second bottom plates (20), and first bottom plates (19) are connected above the two weight sensors (22).
8. The crop root fertilizer applicator of claim 1, wherein: the height of the fertilizing port (7) is consistent with the depth of the required fertilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222229925.6U CN218072852U (en) | 2022-08-24 | 2022-08-24 | Fertilizer applicator for crop roots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222229925.6U CN218072852U (en) | 2022-08-24 | 2022-08-24 | Fertilizer applicator for crop roots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218072852U true CN218072852U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222229925.6U Active CN218072852U (en) | 2022-08-24 | 2022-08-24 | Fertilizer applicator for crop roots |
Country Status (1)
| Country | Link |
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| CN (1) | CN218072852U (en) |
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2022
- 2022-08-24 CN CN202222229925.6U patent/CN218072852U/en active Active
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