CN106612663A - Ploughing fertilizer applicator - Google Patents
Ploughing fertilizer applicator Download PDFInfo
- Publication number
- CN106612663A CN106612663A CN201611062592.5A CN201611062592A CN106612663A CN 106612663 A CN106612663 A CN 106612663A CN 201611062592 A CN201611062592 A CN 201611062592A CN 106612663 A CN106612663 A CN 106612663A
- Authority
- CN
- China
- Prior art keywords
- rotating disk
- fertilizer
- walking mechanism
- storage bin
- plow
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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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a ploughing fertilizer applicator and belongs to the field of agricultural auxiliary equipment. The ploughing fertilizer applicator comprises a walking mechanism, a ploughing device and a fertilizer apparatus, wherein the ploughing device is mounted at the bottom of the walking mechanism and in front of the fertilizer apparatus, and the fertilizer apparatus is arranged at the upper part of the walking mechanism; the fertilizer apparatus comprises a main frame, a storage silo, a rotary table and a rotating drive motor; the main frame is mounted on the walking mechanism, and the storage silo is mounted on the main frame; the bottom of the storage silo is located in the rotary table and above the bottom wall of the rotary table, and a pouring port which communicates the inside of the storage silo with the outside is formed in the bottom of the storage silo; the rotating drive motor is placed on the walking mechanism and located below the bottom wall of the rotary table; a space exists between the side wall of the rotary table and the part, stretching into the rotary table, of the storage silo, and a cut-off plate is arranged in the space; the cut-off plate is mounted on the main frame, one end of the cut-off plate stretches into the rotary table and is not in contact with the rotary table, and the other end of the cut-off plate is located above the rotary table. The ploughing fertilizer applicator can apply the fertilizer while ploughing, the functions are diverse, the structure is simple, and the practicability is good.
Description
【Technical field】
The present invention relates to agricultural auxiliary equipment field, more particularly to a kind of plow fertilizer spreader.
【Background technology】
During Planting Crops, need to apply fertilizer crops, if pure dependence artificially applying fertilizer, then fertilising when
Between it is longer, and the labour intensity of labor author is larger, and work rate is more low, therefore, mechanical fertilising is arisen at the historic moment.At present,
Existing fertilizer apparatus structure is complex, and operation is not easy and relatively costly, is unsuitable for self-employed worker agriculture author and uses, in addition,
The function of fertilizer apparatus is more single, is unfavorable for promoting the use of.
【The content of the invention】
In view of the above, it is necessary to provide a kind of plow fertilizer spreader, the plow fertilizer spreader can also while can plowing
Enough fertilisings, vdiverse in function, simple structure, practicality is good.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：A kind of plow fertilizer spreader, including walking mechanism,
Ploughing apparatus and fertilizer apparatus, the ploughing apparatus are arranged on walking mechanism bottom, and in front of the fertilizer apparatus, it is described to apply
Fertile device is arranged on walking mechanism top, and it is advanced with the ploughing apparatus by walking mechanism traction；
The fertilizer apparatus includes body frame, the storage bin for storing fertilizer, the rotating disk being made up of diapire and side wall and rotation
Turn motor；The body frame is arranged in walking mechanism, and the storage bin is provided with thereon；The storage bin bottom is located at institute
State in rotating disk, and be in the top of the rotating disk diapire, the bottom is further opened with making the batch turning of the outer connection in the storage bin inside
Mouthful；The rotary drive motor is placed in walking mechanism, and positioned at rotating disk diapire lower section, and by connecting the rotating disk
Form driving rotating disk relative to storage bin rotate；There is interval in the part that rotating disk side wall is stretched in rotating disk with storage bin, should
Interval is provided with cutoff plate；The cutoff plate is arranged on body frame, and its one end is stretched in the rotating disk but do not contacted with rotating disk,
The other end is located at rotating disk top.
Further, the ploughing apparatus include colter, plough axle and the motor that plows, and the colter is arranged on outside plough axle
On side, and along the axially arranged of the plough axle, and its blade deviates from the plough axle；The plough axle connects the motor that plows,
And drive colter rotation in the case where the motor that plows drives；The axis of the plough axle is perpendicular to the walking road of walking mechanism
Line.
Further, fertilizer apparatus also includes lifting hydraulic cylinder, and the lifting hydraulic cylinder is arranged on rotary drive motor,
And be connected with the rotating disk diapire, and can rotate with the rotating disk.
Further, the cutoff plate is arranged on body frame by guide plate part；Guide rail is provided with the guide plate part, it is described
Slide bar is provided with cutoff plate, and connects guide plate part by way of the slide bar is arranged on guide rail, and can be led along described
Rail is slided up and down with respect to rotating disk diapire.
Further, the outside of walking mechanism is stretched out in the part that the cutoff plate of the rotating disk is located.
Further, the storage bin top offers the feeding mouth for making the outer connection in storage bin inside, at the feeding mouth
It is provided with Cang Gai.
Further, the fertilizer apparatus also includes the outlet member being inclined and mounted on the body frame；The discharging portion
Part is arranged at cutoff plate place, and from this to rotating disk side wall outside extend, wherein, the outlet member it is higher
One end is feed end, and positioned at the underface of the rotating disk.
Further, the cutoff plate is located at the surface of feed end region, also, the feed end is at least present
A part is to be located at cutoff plate side, and the side is the fertilizer place side when rotating disk is rotated in cutoff plate retention rotating disk.
Further, relatively low one end of the outlet member is discharge end, and the discharge end stretches out the outside of walking mechanism.
Further, the walking mechanism bottom is provided with baffle plate, and the baffle plate is located at the rear of ploughing apparatus, and its bottom
Portion's distance from the ground is slightly less than ploughing apparatus bottom distance from the ground.
The invention has the advantages that：
1. the plow fertilizer spreader designed by the present invention have plow and fertilizing functions, it is possible to decrease the labour intensity of labor author and
The work time, and make the efficiency of work effectively improve.
2. the fertilizer apparatus of the present invention by the gap that storage bin and rotating disk diapire are present promote fertilizer in storage bin because
Gravity and storage bin can be skidded off and be scattered on rotating disk diapire when dropping automatically, then, the fertilizer on rotating disk turns again in rotating disk
Rotating disk is dropped out in the presence of dynamic and cutoff plate, and then realizes automatic fertilization, its simple structure is easy to operate.
3. overall structure of the present invention is simple, vdiverse in function, easy to use, with certain practicality.
【Description of the drawings】
Fig. 1 is a kind of dimensional structure diagram of plow fertilizer spreader of the invention.
Fig. 2 is the not shown dimensional structure diagram in Fig. 1 walking mechanisms part.
Fig. 3 is the dimensional structure diagram of fertilizer apparatus in Fig. 1.
Fig. 4 is the front view of Fig. 3.
Fig. 5 is the top view of Fig. 4.
Main element symbol description
In figure, walking mechanism 1, ploughing apparatus 2, colter 21, plough axle 22, the motor 23 that plows, fertilizer apparatus 3, body frame
31st, storage bin 32, upper storehouse 321, lower storehouse 322, storehouse lid 323, rotating disk 33, rotary drive motor 34, cutoff plate 35, slide bar 351, liter
Descending liquid cylinder pressure 36, connecting cylinder 361, guide plate part 37, guide rail 371, outlet member 38, charging aperture 381, discharge end 382, baffle plate 4.
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
【Specific embodiment】
Fig. 1 to Fig. 5 is referred to, in a kind of better embodiment of the present invention, a kind of plow fertilizer spreader, including a walking
Mechanism 1, a ploughing apparatus 2 and a fertilizer apparatus 3, ploughing apparatus 2 are arranged on the bottom of walking mechanism 1, and before fertilizer apparatus 3
Side, fertilizer apparatus 3 is arranged on the top of walking mechanism 1, and it is advanced with ploughing apparatus 2 by the traction of walking mechanism 1.
Wherein, Fig. 2 is referred to, ploughing apparatus 2 include that the plough axle 22 and of some colters 21, plows motor 23, plough
The interval of knife 21 is arranged on the plough lateral surface of axle 22, and along the axially arranged of plough axle 22, and its blade is away from plough axle 22；Plough axle 22 connects
The motor 23 that plows is connect, and drives colter 21 to rotate in the case where the motor 23 that plows drives.Preferably, the axis for ploughing axle 22 hangs down
Directly in the track route of walking mechanism 1,21 one-tenth sickle shapeds of colter.
Fig. 3 to Fig. 5 is referred to, fertilizer apparatus 3 is including a body frame 31, the storage bin 32 for storing fertilizer, by diapire
The rotating disk 33 constituted with side wall and a rotary drive motor 34.Body frame 31 is arranged in walking mechanism 1, and storing is provided with thereon
Storehouse 32；The bottom of storage bin 32 is located in rotating disk 33, and is in the top of the diapire of rotating disk 33, and the bottom is further opened with making storage bin 32
One inlet orifice of internal outer connection；Rotary drive motor 34 is placed in walking mechanism 1, and positioned at the diapire of rotating disk 33 lower section, and
Rotated relative to storage bin 32 by connecting the form driving rotating disk 33 of rotating disk 33；The side wall of rotating disk 33 stretches into rotating disk 33 with storage bin 32
There is interval in interior part, the interval is provided with cutoff plate 35；Cutoff plate 35 is arranged on body frame 31, and its one end stretches into rotating disk
In 33 but do not contact with rotating disk 33, the other end is located at the top of rotating disk 33.
Plow fertilizer spreader designed by the present invention has the function of plowing and apply fertilizer, wherein, ploughing apparatus 2 are used to plow,
Fertilizer apparatus 3 is used to apply fertilizer.And the fertilizer apparatus 3 designed by the present invention is by between storage bin 32 and the presence of the diapire of rotating disk 33
Gap promotes the fertilizer in storage bin 32 to skid off storage bin 32 when dropping automatically because of gravity and is scattered on the diapire of rotating disk 33,
Then, the fertilizer on rotating disk 33 rotates again in rotating disk 33 and rotating disk 33 is dropped out in the presence of cutoff plate 35, and then realizes applying automatically
Fertilizer；Wherein, cutoff plate 35 coordinates rotating disk 33 to use, and it can retain fertilizer under the rotation of rotating disk 33, and the fertilizer at retention exists
The height of its accumulation can drop, leave rotating disk 33 when being higher than the height of the side wall of rotating disk 33.Preferably, the institute of cutoff plate 35 of rotating disk 33
Part stretch out the outside of walking mechanism 1, fertilizer is applied on soil to be applied fertilizer；The width of cutoff plate 35 is slightly less than
It is wide between its place interval, preferably retain fertilizer in order to cutoff plate 35.
Further, Fig. 4 is referred to, storage bin 32 includes on one storehouse 321 and once storehouse 322, and storehouse is gone up in lower storehouse 322 relatively
321 near rotating disk 33, and the size of its cross section is respectively less than the upper cross sectional dimensions of storehouse 321 and the cross sectional dimensions of rotating disk 33, so that
Storage bin 32 can store more fertilizer, while and can preferably be placed in rotating disk 33.Preferably, upper storehouse 321 is with
The cross sectional dimensions of the junction of storehouse 322 is tapered into from the downward side of storehouse 322 in the side of upper storehouse 321, so that upper storehouse 321 and lower storehouse
Into skewed, the fertilizer being easy in upper storehouse 321 automatically downwards slide by storehouse 322, it is to avoid slip dead angle occurs for 322 junctions.And be
It is easy to place fertilizer to storage bin 32, and can preferably preserves unspent fertilizer when not applying fertilizer, the present invention is in storage
The top of feed bin 32 offers the feeding mouth for making the outer connection in the inside of storage bin 32, and a storehouse lid 323 is arranged at the feeding mouth, should
Storehouse lid 323 is hinged storage bin 32, to realize folding by articulated form.
Further, please continue to refer to Fig. 4, fertilizer apparatus 3 also includes lifting hydraulic cylinder 36, and the lifting hydraulic cylinder 36 is installed
On rotary drive motor 34, and it is connected with the diapire of rotating disk 33, can rotates with rotating disk 33；The lifting hydraulic cylinder 36 can drive
Rotating disk 33 is moved up and down along the relative storage bin 32 of axis of the output shaft of rotary drive motor 34, so as to adjust the diapire of rotating disk 33 with storage
Gap between the bottom of feed bin 32 (inlet orifice), and then adjust rotating disk 33 and spread manure doses, furthermore it is also possible to the bottom of closed storage bin 32
Portion, and make storage bin 32 form air-tight state jointly with storehouse lid 323, so as to be beneficial to the storage of fertilizer.Preferably, lifting hydraulic cylinder
36 are arranged on the output shaft of rotary drive motor 34 by connecting cylinder 361, and rotating disk 33 is then connected by lifting hydraulic cylinder 36
Rotary drive motor 34, it is rotated together with the drive of lifting hydraulic cylinder 36 with the output shaft of rotary drive motor 34；More
Preferably, lifting hydraulic cylinder 36 of the invention arranges two, and is symmetrically distributed on rotary drive motor 34, to balance and stablize
Rotating disk 33.
In order to the cutoff plate 35 for coordinating the use of lifting hydraulic cylinder 36, the present invention is arranged on body frame 31 by a guide plate part 37
On.Wherein, a guide rail 371 is provided with the guide plate part 37, a slide bar 351 is provided with cutoff plate 35, and pacified by slide bar 351
The mode being mounted on guide rail 371 connects guide plate part 37, and can slide up and down along the relative diapire of rotating disk 33 of guide rail 371, to pass through
The mode for sliding up and down coordinates the lift action of lifting hydraulic cylinder 36, prevents the diapire of 35 bottom impacts rotating disk of cutoff plate 33
Phenomenon.In addition, the setting of which can also control the fertilizer amount in rotating disk 33.
Further, for the ease of fertilising, fertilizer apparatus 3 also includes the outlet member being inclined and mounted on body frame 31
38, refer to Fig. 4 and Fig. 5.The outlet member 38 is arranged at the place of cutoff plate 35, and from this to the outside of the side wall of rotating disk 33
Extend, wherein, relatively low one end of outlet member 38 is discharge end 382, and the discharge end 382 stretches out the outside of walking mechanism 1；Discharging
The higher end of part 38 is charging aperture 381, and positioned at the underface of rotating disk 33, meanwhile, cutoff plate 35 is located at the institute of charging aperture 381
In the surface in region, and it is to be located at the side of cutoff plate 35 that the charging aperture 381 at least has a part, and the side is 33 turns of rotating disk
Fertilizer place side when dynamic in the retention of cutoff plate 35 rotating disk 33, drops on outlet member 38 in order to the fertilizer on rotating disk 33,
And then derive from outlet member 38；Preferably, cutoff plate 35 is located at the centre of the region of charging aperture 381.
In the present embodiment, 3 settings one of fertilizer apparatus, but, the fertilizer apparatus 3 of the present invention is not limited only to one,
One can be more than.
Further, Fig. 1 is referred to, the bottom of walking mechanism 1 of the present invention is additionally provided with a baffle plate 4, and the baffle plate 4 is located at plough
The rear of ground device 2, and its bottom distance from the ground is slightly less than the bottom of ploughing apparatus 2 distance from the ground, in order to described
Plow fertilizer spreader after running plows can smooth soil, apply fertilizer beneficial to fertilizer apparatus 3, while, additionally it is possible to prevent from plowing
When soil splash.Preferably, the length of baffle plate 4 is more than the ultimate range between colter 21 on plough axle 22.
The collection of fertilizer apparatus 3 that plows designed by the present invention plows, smooth and fertilizing integrated, and its simple structure is vdiverse in function,
Easy to use, practicality is preferable.
Described above is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this
Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to
Cover the scope of the claims in the present invention.
Claims (10)
1. a kind of plow fertilizer spreader, including walking mechanism, ploughing apparatus and fertilizer apparatus, the ploughing apparatus are arranged on vehicle with walking machine
Structure bottom, and in front of the fertilizer apparatus, the fertilizer apparatus is arranged on walking mechanism top, it is equal with the ploughing apparatus
Advanced by walking mechanism traction；
It is characterized in that：The fertilizer apparatus include body frame, the storage bin for storing fertilizer, be made up of diapire and side wall turn
Disk and rotary drive motor；The body frame is arranged in walking mechanism, and the storage bin is provided with thereon；The storage bin bottom
In the rotating disk, and the top of the rotating disk diapire is in, the bottom is further opened with making the outer connection in the storage bin inside
Inlet orifice；The rotary drive motor is placed in walking mechanism, and positioned at rotating disk diapire lower section, and by connecting institute
The form driving rotating disk for stating rotating disk rotates relative to storage bin；Rotating disk side wall and storage bin are stretched between the part presence in rotating disk
Every the interval is provided with cutoff plate；The cutoff plate is arranged on body frame, and its one end is stretched in the rotating disk but with rotating disk not
Contact, the other end is located at rotating disk top.
2. plow fertilizer spreader as claimed in claim 1, it is characterised in that：The ploughing apparatus include colter, plough axle and plow
Motor, the colter is arranged on plough axle lateral surface, and along the axially arranged of the plough axle, and its blade deviates from the plough
Axle；The plough axle connects the motor that plows, and drives colter rotation in the case where the motor that plows drives；The plough axle
Track route of the axis perpendicular to walking mechanism.
3. plow fertilizer spreader as claimed in claim 1, it is characterised in that：The fertilizer apparatus also includes lifting hydraulic cylinder, institute
Lifting hydraulic cylinder is stated on rotary drive motor, and is connected with the rotating disk diapire, and can be rotated with the rotating disk.
4. plow fertilizer spreader as claimed in claim 1, it is characterised in that：The cutoff plate is arranged on body frame by guide plate part
On；Guide rail is provided with the guide plate part, slide bar is provided with the cutoff plate, and be arranged on guide rail by the slide bar
Mode connects guide plate part, and can slide up and down along the relative rotating disk diapire of the guide rail.
5. plow fertilizer spreader as claimed in claim 1, it is characterised in that：Stretch out row in the part that the cutoff plate of the rotating disk is located
Walk the outside of mechanism.
6. plow fertilizer spreader as claimed in claim 1, it is characterised in that：The storage bin top offers and makes inside storage bin
The feeding mouth of outer connection, at the feeding mouth Cang Gai is provided with.
7. plow fertilizer spreader as claimed in claim 1, it is characterised in that：The fertilizer apparatus is also described including being inclined and mounted on
Outlet member on body frame；The outlet member is arranged at cutoff plate place, and from this to the outside of rotating disk side wall
Extend, wherein, the higher end of the outlet member is feed end, and positioned at the underface of the rotating disk.
8. plow fertilizer spreader as claimed in claim 7, it is characterised in that：The cutoff plate is being located at feed end region just
Top, also, it is to be located at cutoff plate side that the feed end at least has a part, the side is cutoff plate when the rotating disk is rotated
Fertilizer place side in retention rotating disk.
9. plow fertilizer spreader as claimed in claim 7, it is characterised in that：Relatively low one end of the outlet member is discharge end,
The discharge end stretches out the outside of walking mechanism.
10. the plow fertilizer spreader as described in claim 1-9 is arbitrary, it is characterised in that：The walking mechanism bottom is provided with gear
Plate, the baffle plate is located at the rear of ploughing apparatus, and its bottom distance from the ground is slightly less than ploughing apparatus bottom from the ground
Distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062592.5A CN106612663A (en) | 2016-11-28 | 2016-11-28 | Ploughing fertilizer applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611062592.5A CN106612663A (en) | 2016-11-28 | 2016-11-28 | Ploughing fertilizer applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106612663A true CN106612663A (en) | 2017-05-10 |
Family
ID=58812874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611062592.5A Pending CN106612663A (en) | 2016-11-28 | 2016-11-28 | Ploughing fertilizer applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106612663A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402663A (en) * | 2019-09-03 | 2019-11-05 | 梁荷 | A kind of stick fertilizer fertilizer applicator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312484Y (en) * | 2008-12-11 | 2009-09-23 | 罗远禄 | Sugar-cane fertilizer applicator |
| EP1579754B1 (en) * | 2004-03-23 | 2010-09-01 | Rabe Agri GmbH | Distributor for flowable material |
| CN202285506U (en) * | 2011-09-29 | 2012-07-04 | 庞光明 | Sugarcane rotary tillage type fertilization banking machine |
| JP5397954B2 (en) * | 2010-04-22 | 2014-01-22 | 独立行政法人農業・食品産業技術総合研究機構 | Tillage simultaneous application machine |
| CN204929616U (en) * | 2015-08-11 | 2016-01-06 | 庄堪宁 | Fertilizer apparatus |
| CN204929575U (en) * | 2015-08-11 | 2016-01-06 | 庄堪宁 | Multifunction cloth film fertilizer distributor |
| CN205694112U (en) * | 2016-03-22 | 2016-11-23 | 甘肃洮河拖拉机制造有限公司 | Fruit tree wide cut in the ranks adjustable rotary tillage film-laying machine |
| CN206402658U (en) * | 2016-11-28 | 2017-08-15 | 黄红光 | A kind of plow fertilizer spreader |
-
2016
- 2016-11-28 CN CN201611062592.5A patent/CN106612663A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1579754B1 (en) * | 2004-03-23 | 2010-09-01 | Rabe Agri GmbH | Distributor for flowable material |
| CN201312484Y (en) * | 2008-12-11 | 2009-09-23 | 罗远禄 | Sugar-cane fertilizer applicator |
| JP5397954B2 (en) * | 2010-04-22 | 2014-01-22 | 独立行政法人農業・食品産業技術総合研究機構 | Tillage simultaneous application machine |
| CN202285506U (en) * | 2011-09-29 | 2012-07-04 | 庞光明 | Sugarcane rotary tillage type fertilization banking machine |
| CN204929616U (en) * | 2015-08-11 | 2016-01-06 | 庄堪宁 | Fertilizer apparatus |
| CN204929575U (en) * | 2015-08-11 | 2016-01-06 | 庄堪宁 | Multifunction cloth film fertilizer distributor |
| CN205694112U (en) * | 2016-03-22 | 2016-11-23 | 甘肃洮河拖拉机制造有限公司 | Fruit tree wide cut in the ranks adjustable rotary tillage film-laying machine |
| CN206402658U (en) * | 2016-11-28 | 2017-08-15 | 黄红光 | A kind of plow fertilizer spreader |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402663A (en) * | 2019-09-03 | 2019-11-05 | 梁荷 | A kind of stick fertilizer fertilizer applicator |
| CN110402663B (en) * | 2019-09-03 | 2023-06-06 | 梁荷 | Fertilizer applicator |
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| PB01 | Publication | ||
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Application publication date: 20170510 |