CN113853901A - Ecological tobacco leaf planting system - Google Patents
Ecological tobacco leaf planting system Download PDFInfo
- Publication number
- CN113853901A CN113853901A CN202111160531.3A CN202111160531A CN113853901A CN 113853901 A CN113853901 A CN 113853901A CN 202111160531 A CN202111160531 A CN 202111160531A CN 113853901 A CN113853901 A CN 113853901A
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- Prior art keywords
- fixedly connected
- disc
- planting system
- cylinder
- mixing
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- 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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- 241000208125 Nicotiana Species 0.000 title claims abstract description 32
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 34
- 238000013329 compounding Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 238000009826 distribution Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 244000082204 Phyllostachys viridis Species 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 239000002699 waste material Substances 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
- A01C15/12—Fertiliser distributors with movable parts of the receptacle
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The utility model provides an ecological tobacco leaf planting system, relates to tobacco seedling apparatus technical field that grows seedlings, including the disc casing, coaxial rotation installs the branch material wheel in the disc casing, and the inlet pipe has a rectangle storage case through defeated material hose connection, and the bottom of rectangle storage case is equipped with toper feed cylinder down, and the lower tip of toper feed cylinder is connected defeated material hose down, and the subassembly is stirred to the partial level that is close to toper feed cylinder down in the rectangle storage case and rotates the installation unloading, and the upper end rigid coupling of rectangle storage case has a compounding section of thick bamboo. The invention solves the problems that the uniformity of the mixed fertilizer distribution can not be ensured when the fertilizer is distributed in the traditional technology, and the phenomenon that a part of seedling raising trays lack a certain fertilizer is easy to occur, thus influencing the growth and use of tobacco seedlings; in the material distribution process, the phenomenon that fertilizer or soil is blocked in the material storage box is easy to occur, the uniformity of blanking is influenced, and tobacco growers need to frequently dredge the material storage box, so that time and labor are wasted; and the problem that the distribution uniformity of the powder cannot be ensured when the powder is used in a swinging way.
Description
Technical Field
The invention relates to the technical field of tobacco seedling raising tools, in particular to an ecological tobacco leaf planting system.
Background
Along with the development of society and the reform of new rural areas, more and more enriching roads appear in rural areas, wherein the vegetation of tobacco seeds is widely popularized, and after the tobacco floating seedling raising and sowing, a mode of covering a layer of soil is adopted in the past to keep the moisture of the seeds and improve the rate of emergence; and seedling tray earthing adopts artifical the raising to spill more, easily causes to cover inhomogeneous, and the thickness that covers has very big influence to the neat uniformity that later stage tobacco seedling emerged, and then influences the time of emerging of later stage seedling growing greenhouse tobacco seedling, is unfavorable for the concentrated unified transplantation of tobacco seedling, and artifical earthing intensity of labour is big, and work efficiency is low. An electrically powered coverer is then available on the market.
However, the electric coverers in the market gradually expose the defects of the technology along with the use process:
first, in the in-service use process, the tobacco grower often utilizes this equipment to scatter fertilizer in educating seedling tray, but discovers in the in-service use, because the kind of fertilizer is more for when scattering fertilizer, can't guarantee to mix the homogeneity that fertilizer scatters, the phenomenon that lacks certain fertilizer in the seedling tray is educated to the part of easily appearing, influences the tobacco seedling and grows and use.
Secondly, the staff need hold earthing part swing back and forth, this just makes and has reduced the homogeneity of scattering, and then has reduced the homogeneity of earthing.
Thirdly, the device is dividing the material in-process, and the phenomenon of fertilizer or soil card jam in the storage case has easily appeared, has influenced the homogeneity of unloading for still need frequent the dredging of tobacco grower, waste time and energy.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an ecological tobacco leaf planting system which is used for solving the problems that the uniformity of the mixed fertilizer distribution cannot be ensured when the fertilizer is distributed in the traditional technology, the phenomenon that a part of seedling raising trays lack a certain fertilizer is easy to occur, and the growth and use of tobacco seedlings are influenced; in the material distribution process, the phenomenon that fertilizer or soil is blocked in the material storage box is easy to occur, the uniformity of blanking is influenced, and tobacco growers need to frequently dredge the material storage box, so that time and labor are wasted; and the problem that the distribution uniformity of the powder cannot be ensured when the powder is used in a swinging way.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an ecological tobacco planting system, includes the disc casing, coaxial rotation installs the branch material wheel in the disc casing, the discharge gate has been seted up on the lateral wall of disc casing, disc casing upper end rigid coupling has the feeding section of thick bamboo of its inner chamber of intercommunication, a feeding section of thick bamboo deviate in the centre of a circle of branch material wheel, the inlet pipe has the rectangle storage case through defeated material hose connection, the bottom of rectangle storage case is equipped with the feed cylinder under the toper, the lower tip of feed cylinder is connected under the toper defeated material hose, be close to in the rectangle storage case the subassembly is stirred in the unloading is installed in the partial level rotation of feed cylinder under the toper, the upper end rigid coupling of rectangle storage case has a compounding section of thick bamboo, still rotate in the compounding section of thick bamboo and install the compounding subassembly.
As an optimized scheme, the blanking shifting assembly comprises a rotating shaft which is horizontally and rotatably arranged in the rectangular storage box, two rows of shifting rods are fixedly connected to the peripheral wall of the rotating shaft in parallel along the axial direction of the rotating shaft, the two rows of shifting rods are respectively arranged on the opposite peripheral wall of the rotating shaft, the two rows of shifting rods are arranged in a staggered mode, and a driving machine for driving the rotating shaft to rotate is fixedly connected to the outer wall of the rectangular storage box.
As an optimized scheme, the mixing component comprises a main shaft vertically and rotatably installed in the mixing cylinder, mixing blades are uniformly distributed on the peripheral wall of the main shaft, a lower port of the mixing cylinder is sealed, and a plurality of discharge holes are formed in the peripheral wall, close to the lower port, of the mixing cylinder in an enclosing mode.
As an optimized scheme, the upper end opening of the mixing cylinder is fixedly connected with a feed hopper.
As an optimized scheme, a support rod is fixedly connected in the mixing barrel horizontally, a motor is fixedly connected to the support rod, and an output shaft of the motor is fixedly connected with the spindle.
As an optimized scheme, a valve plate is hinged in the feeding cylinder, the valve plate is hinged to the cylinder wall of the feeding cylinder through a rotating shaft, and one end of the rotating shaft extends out of the cylinder wall and extends to the outside and is fixedly connected with a rotating handle.
As an optimized scheme, a handle is further fixedly connected to the outer wall of the feeding cylinder.
As an optimized scheme, a driving motor is fixedly connected to the top surface of the disc-shaped shell, and an output shaft of the driving motor is fixedly connected with the center of the distributing wheel.
Preferably, the discharge opening is located in the 1/2 area of the circle where the side wall of the disc-shaped shell is located.
As an optimized scheme, the edge of the discharge port on the side wall of the disc-shaped shell is hinged with a material guide plate respectively, the material guide plate is arranged in a swinging manner along the radial direction of the disc-shaped shell, the material guide plate is an arc-shaped plate, and the arc-shaped track of the arc-shaped plate is the same as the arc-shaped track of the side wall of the disc-shaped shell.
As an optimized scheme, two braces are arranged on the storage box in parallel.
Compared with the prior art, the invention has the beneficial effects that:
fertilizer or soil entering the feeding cylinder is scattered through the rotationally arranged distributing wheel, so that the material is uniformly scattered from the discharging port; the scattering range is controlled by controlling the opening and closing distance between the two material guide plates; the on-off of the materials and the entering amount of the materials can be adjusted by adjusting the angle of the valve plate, so that the practicability is improved; the handle is arranged, so that the device is convenient to hold; the stirring of the materials in the rectangular storage box is realized through the blanking stirring assembly, so that the smoothness in the material blanking process can be ensured, the effect of stirring the internal materials can be achieved, and the uniformity is improved; materials poured into the rectangular storage box are pre-mixed through the mixing component, so that the mixing uniformity is ensured; the follow-up part is simplified, and the fault rate in the working process is reduced; the stability in the working process is improved; the parts are few, the working procedure is simple and convenient, and the failure rate is low; the structure is simple, and the service life is long; simple and convenient operation and control, easy large-scale manufacture and installation and wide application range.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a material guide plate according to the present invention.
In the figure: 1-a disc-shaped shell; 2-a material distributing wheel; 3-discharging port; 4-a material guide plate; 5-a feeding cylinder; 6-driving a motor; 7-a grip; 8-a valve plate; 9-a delivery hose; 10-a conical charging barrel; 11-a deflector rod; 12-a drive machine; 13-mixing cylinder; 14-a mixing blade; 15-a discharge hole; 16-a support bar; 17-a motor; and 18-a feed hopper.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, ecological tobacco planting system, including disc casing 1, coaxial rotation installs branch material wheel 2 in disc casing 1, the discharge gate has been seted up on the lateral wall of disc casing 1, disc casing 1 upper end rigid coupling has the feed cylinder 5 of intercommunication its inner chamber, feed cylinder 5 is skew in the centre of a circle of dividing material wheel 2, the inlet pipe is connected with the rectangle storage case through defeated material hose 9, the bottom of rectangle storage case is equipped with toper feed cylinder 10 down, defeated material hose 9 is connected to the lower tip of toper feed cylinder 10 down, the subassembly is stirred in the rectangle storage case unloading to the partial horizontal rotation that is close to toper feed cylinder 10 down, the upper end rigid coupling of rectangle storage case has mixing cylinder 13, still rotate in the mixing cylinder 13 and install the compounding subassembly.
The blanking shifting assembly comprises a rotating shaft which is horizontally and rotatably arranged in the rectangular storage box, two rows of shifting rods 11 are fixedly connected to the peripheral wall of the rotating shaft in parallel along the axial direction of the rotating shaft, the two rows of shifting rods 11 are respectively arranged on the opposite peripheral wall of the rotating shaft, the two rows of shifting rods 11 are arranged in a staggered mode, and a driving machine 12 for driving the rotating shaft to rotate is fixedly connected to the outer wall of the rectangular storage box.
The mixing component comprises a main shaft which is vertically and rotatably arranged in the mixing cylinder 13, mixing blades 14 are uniformly distributed on the peripheral wall of the main shaft, a lower port of the mixing cylinder 13 is sealed, and a plurality of discharge holes are formed in the peripheral wall, close to the lower port, of the mixing cylinder 13 in an enclosing manner.
A feed hopper 18 is also fixedly connected to the upper end of the mixing barrel 13.
A support rod 16 is horizontally and fixedly connected in the mixing barrel 13, a motor 17 is fixedly connected on the support rod 16, and an output shaft of the motor 17 is fixedly connected with a main shaft.
The feeding cylinder 5 is internally hinged with a valve plate 8, the valve plate 8 is hinged on the cylinder wall of the feeding cylinder 5 through a rotating shaft, and one end of the rotating shaft extends out of the cylinder wall and extends to the outside and is fixedly connected with a rotating handle.
The outer wall of the feeding cylinder 5 is also fixedly connected with a handle 7.
The top surface of the disc-shaped shell 1 is fixedly connected with a driving motor 6, and the output shaft of the driving motor 6 is fixedly connected with the center of the material distributing wheel 2.
The discharge opening is located in the region of 1/2 of the circle where the side wall of the disc-shaped housing 1 is located.
The edge of the discharge port on the side wall of the disc-shaped shell 1 is hinged with a material guide plate 4, the material guide plate 4 swings along the radial direction of the disc-shaped shell 1, the material guide plate 4 is an arc-shaped plate, and the arc-shaped track of the arc-shaped plate is the same as the arc-shaped track of the side wall of the disc-shaped shell 1.
Two braces are arranged on the storage box in parallel, so that the storage box can be conveniently carried on the back of a tobacco grower, and the use is convenient.
Fertilizer or soil entering the feeding barrel 5 is scattered through the rotationally arranged distributing wheel 2, so that the materials are uniformly scattered from the discharging port; the scattering range is controlled by controlling the opening and closing distance between the two material guide plates 4; the on-off of the materials and the entering amount of the materials can be adjusted by adjusting the angle of the valve plate 8, so that the practicability is improved; the handle 7 is arranged to facilitate the holding of the device; the stirring of the materials in the rectangular storage box is realized through the blanking stirring assembly, so that the smoothness in the material blanking process can be ensured, the effect of stirring the internal materials can be achieved, and the uniformity is improved; realize pouring into to rectangle storage incasement material through the compounding subassembly and carry out the compounding in advance, guarantee the homogeneity of mixing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides an ecological tobacco leaf system of planting which characterized in that: comprises a disc-shaped shell (1), a distributing wheel (2) is coaxially and rotatably arranged in the disc-shaped shell (1), a discharge hole is arranged on the side wall of the disc-shaped shell (1), a feeding cylinder (5) communicated with the inner cavity of the disc-shaped shell (1) is fixedly connected at the upper end part of the disc-shaped shell (1), the feeding cylinder (5) deviates from the circle center of the distributing wheel (2), the feeding pipe is connected with a rectangular material storage box through a material conveying hose (9), a conical lower charging barrel (10) is arranged at the bottom of the rectangular storage box, the lower end part of the conical lower charging barrel (10) is connected with the material conveying hose (9), a blanking toggle assembly is horizontally and rotatably arranged on the part, close to the conical blanking barrel (10), in the rectangular storage box, the upper end of rectangle storage case rigid coupling has mixing cylinder (13), still rotate in mixing cylinder (13) and install the compounding subassembly.
2. The ecological tobacco planting system according to claim 1, wherein: the blanking shifting assembly comprises a rotating shaft which is horizontally and rotatably arranged in the rectangular storage box, two shifting rods (11) are fixedly connected to the peripheral wall of the rotating shaft in parallel along the axial direction of the rotating shaft, the two shifting rods (11) are respectively arranged on the opposite peripheral wall of the rotating shaft, the two shifting rods (11) are arranged in a staggered mode, and a driving machine (12) for driving the rotating shaft to rotate is fixedly connected to the outer wall of the rectangular storage box.
3. The ecological tobacco planting system according to claim 1, wherein: the mixing component comprises a main shaft which is vertically and rotatably installed in the mixing cylinder (13), mixing blades (14) are uniformly distributed on the peripheral wall of the main shaft, a lower port of the mixing cylinder (13) is sealed, and a plurality of discharge holes are formed in the peripheral wall, close to the lower port, of the mixing cylinder (13) in an enclosing mode.
4. The ecological tobacco planting system according to claim 3, wherein: and a feed hopper (18) is fixedly connected with the upper port of the mixing barrel (13).
5. The ecological tobacco planting system according to claim 3, wherein: a supporting rod (16) is horizontally and fixedly connected in the mixing barrel (13), a motor (17) is fixedly connected on the supporting rod (16), and an output shaft of the motor (17) is fixedly connected with the main shaft.
6. The ecological tobacco planting system according to claim 1, wherein: the feeding cylinder (5) is internally hinged with a valve plate (8), the valve plate (8) is hinged to the cylinder wall of the feeding cylinder (5) through a rotating shaft, and one end of the rotating shaft extends out of the cylinder wall and extends to the outside and is fixedly connected with a rotating handle.
7. The ecological tobacco planting system according to claim 1, wherein: the outer wall of the feeding cylinder (5) is also fixedly connected with a handle (7).
8. The ecological tobacco planting system according to claim 1, wherein: the top surface of the disc-shaped shell (1) is fixedly connected with a driving motor (6), and an output shaft of the driving motor (6) is fixedly connected with the center of the distributing wheel (2).
9. The ecological tobacco planting system according to claim 1, wherein: the discharge hole is positioned in the 1/2 area of the circle where the side wall of the disc-shaped shell (1) is positioned.
10. The ecological tobacco planting system according to claim 1, wherein: the discharging port is located the border on the lateral wall of disc casing (1) articulates respectively has stock guide (4), just stock guide (4) are followed the radial direction swing of disc casing (1) sets up, stock guide (4) are the arc, just the arc orbit of arc with the arc orbit of disc casing (1) lateral wall is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160531.3A CN113853901A (en) | 2021-09-30 | 2021-09-30 | Ecological tobacco leaf planting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111160531.3A CN113853901A (en) | 2021-09-30 | 2021-09-30 | Ecological tobacco leaf planting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113853901A true CN113853901A (en) | 2021-12-31 |
Family
ID=79001188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111160531.3A Pending CN113853901A (en) | 2021-09-30 | 2021-09-30 | Ecological tobacco leaf planting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113853901A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207612627U (en) * | 2017-12-06 | 2018-07-17 | 湖南农业大学东方科技学院 | One grows tobacco fertilizer applicator |
| CN108781671A (en) * | 2018-03-30 | 2018-11-13 | 句容宇发农业发展有限公司 | A kind of farmland base manure fertilizer apparatus |
| CN109041719A (en) * | 2018-09-21 | 2018-12-21 | 黄小翠 | A kind of portable agriculture fertilizer apparatus |
| CN209665961U (en) * | 2018-12-25 | 2019-11-22 | 重庆柏纳伟晟新材料科技有限公司 | A kind of feeder of Masterbatch process equipment |
| CN210252500U (en) * | 2019-06-18 | 2020-04-07 | 山西晋武能源有限公司 | Dustless reducing mechanism is used in cast coal production |
| CN210699757U (en) * | 2019-09-03 | 2020-06-09 | 胡水玲 | Compounding device for chicken feed production |
| CN211184897U (en) * | 2019-07-25 | 2020-08-07 | 潍坊市烟草专卖局 | Backpack soil covering device for tobacco seedling culture |
| CN212143334U (en) * | 2019-12-24 | 2020-12-15 | 武汉市新洲区金浦源种植专业合作社 | Ecological filter equipment for breeding feed ratio |
| CN213493333U (en) * | 2020-08-31 | 2021-06-22 | 迁安市宏祥氧化铁有限公司 | Blendor with cleaning device |
| CN213829673U (en) * | 2020-11-12 | 2021-07-30 | 河北山诺建材有限公司 | Doffer is used in concrete production processing |
| CN214014999U (en) * | 2020-11-16 | 2021-08-24 | 苏州御湖园农业科技有限公司 | Automatic fertilizer injection unit is planted to blueberry of earthing |
| CN214282143U (en) * | 2021-01-08 | 2021-09-28 | 王�琦 | Forestry is planted with fertilizer injection unit that grows seedlings |
-
2021
- 2021-09-30 CN CN202111160531.3A patent/CN113853901A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207612627U (en) * | 2017-12-06 | 2018-07-17 | 湖南农业大学东方科技学院 | One grows tobacco fertilizer applicator |
| CN108781671A (en) * | 2018-03-30 | 2018-11-13 | 句容宇发农业发展有限公司 | A kind of farmland base manure fertilizer apparatus |
| CN109041719A (en) * | 2018-09-21 | 2018-12-21 | 黄小翠 | A kind of portable agriculture fertilizer apparatus |
| CN209665961U (en) * | 2018-12-25 | 2019-11-22 | 重庆柏纳伟晟新材料科技有限公司 | A kind of feeder of Masterbatch process equipment |
| CN210252500U (en) * | 2019-06-18 | 2020-04-07 | 山西晋武能源有限公司 | Dustless reducing mechanism is used in cast coal production |
| CN211184897U (en) * | 2019-07-25 | 2020-08-07 | 潍坊市烟草专卖局 | Backpack soil covering device for tobacco seedling culture |
| CN210699757U (en) * | 2019-09-03 | 2020-06-09 | 胡水玲 | Compounding device for chicken feed production |
| CN212143334U (en) * | 2019-12-24 | 2020-12-15 | 武汉市新洲区金浦源种植专业合作社 | Ecological filter equipment for breeding feed ratio |
| CN213493333U (en) * | 2020-08-31 | 2021-06-22 | 迁安市宏祥氧化铁有限公司 | Blendor with cleaning device |
| CN213829673U (en) * | 2020-11-12 | 2021-07-30 | 河北山诺建材有限公司 | Doffer is used in concrete production processing |
| CN214014999U (en) * | 2020-11-16 | 2021-08-24 | 苏州御湖园农业科技有限公司 | Automatic fertilizer injection unit is planted to blueberry of earthing |
| CN214282143U (en) * | 2021-01-08 | 2021-09-28 | 王�琦 | Forestry is planted with fertilizer injection unit that grows seedlings |
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Application publication date: 20211231 |