CN109041716A - Rupture of membranes formula vegetables and fruits fertilising auxiliary device - Google Patents
Rupture of membranes formula vegetables and fruits fertilising auxiliary device Download PDFInfo
- Publication number
- CN109041716A CN109041716A CN201810970174.9A CN201810970174A CN109041716A CN 109041716 A CN109041716 A CN 109041716A CN 201810970174 A CN201810970174 A CN 201810970174A CN 109041716 A CN109041716 A CN 109041716A
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- Prior art keywords
- rupture
- membranes
- feeding
- overruning
- auxiliary device
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/02—Fertiliser distributors for hand use
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Soil Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a kind of rupture of membranes formula vegetables and fruits fertilising auxiliary devices, constituting includes load-bearing servomechanism, load-bearing servomechanism is connected with adjusting rack, it adjusts rack and is connected with Overruning feeding mechanism, Overruning feeding mechanism is connected with open-close type rupture of membranes mechanism, adjusts rack and is equipped with the type variable transmission mechanism connecting with Overruning feeding mechanism；The Overruning feeding mechanism is connected with fertilizer bucket through feeding tube；Open-close type rupture of membranes mechanism includes feeding round tube, and the exit of feeding round tube is hinged with membrane-repturing device, and the two sides of membrane-repturing device are hinged with triangular support bracket；Membrane-repturing device is connected with the connector being slidably connected on feeding round tube through kinematic link.The present invention has the characteristics that high efficiency, low labor intensity and easy to operate.
Description
Technical field
The present invention relates to a kind of fertilising ancillary equipment, especially a kind of rupture of membranes formula vegetables and fruits fertilising auxiliary device.
Background technique
Mulch is covered, is a behave and a mature cultivation technique common in vegetables and fruits planting process, for mentioning
High yield has important role.At the same time, the covering of mulch also brings great difficulty to the fertilising of vegetables and fruits.At this stage
The fertilising of China's vegetables and fruits is essentially artificially applying fertilizer, artificially applying fertilizer complex steps, and need to frequently bend over, and efficiency is extremely low.How to use
Mechanical-assisted artificially applying fertilizer is the optimal path for solving vegetables and fruits fertilising low efficiency under existing stage mulching film planting mode.
Currently, existing fertilizer applicator is mainly divided to two kinds, one is the formula of broadcasting sowing, this fertilizer applicator can not penetrate mulch, and
The fertilizer of discharge port, which easily makes moist, to be caused to block；One is native formula is buried, this fertilizer applicator needs for feeding port to be pressed into soil, though
The fertilising requirement of mulching film planting so is met, but uses and causes high effort for, and product is heavy, labor intensity is larger.
And use rupture of membranes mode realize high efficiency, low labor intensity and for the vegetables and fruits of one-handed performance apply fertilizer auxiliary device
It at home and abroad there is no report in the market.
Summary of the invention
The object of the present invention is to provide a kind of rupture of membranes formula vegetables and fruits fertilising auxiliary devices.The present invention has high efficiency, low labor
Fatigue resistance and easy to operate feature.
Technical solution of the present invention: rupture of membranes formula vegetables and fruits apply fertilizer auxiliary device, it is characterised in that: including load-bearing servomechanism,
Load-bearing servomechanism is connected with adjusting rack, adjusts rack and is connected with Overruning feeding mechanism, Overruning feeding mechanism is connected with
Open-close type rupture of membranes mechanism adjusts rack and is equipped with the type variable transmission mechanism connecting with Overruning feeding mechanism；The Overruning
Feeding mechanism is connected with fertilizer bucket through feeding tube；Open-close type rupture of membranes mechanism includes feeding round tube, the outlet of feeding round tube
Place is hinged with membrane-repturing device, and the two sides of membrane-repturing device are hinged with triangular support bracket；Membrane-repturing device is connected with through kinematic link and is slidably connected at
Connector on feeding round tube.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the Overruning feeding mechanism includes no feed bin, no feed bin side
Portion is equipped with storage bin, and the upper end of storage bin is connected to the upper end of no feed bin, and the lower end of no feed bin is connect with feeding round tube, the storage
Pushing piston is equipped in feed bin, the both ends of pushing piston have been connected through a screw thread feed ram bar and line shaft；Feed ram bar
It is connect with connector, line shaft is connect with type variable transmission mechanism.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the type variable transmission mechanism includes handle, is handled on handle
Grip frame is connected with handle, and handle is connected with the wire with outer rim, and outer rim, which is connected with, is fixed on Overruning feeding mechanism
The tune measuring tank of upper end, the wire are connected with tune amount bolt, and tune amount bolt is threadedly coupled with line shaft.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the no feed bin connect side with storage bin and is provided with one
Square breach, the storage bin other side are provided with a circumferential notch, and the square breach of the storage bin are located above circumferential notch,
And it is aligned with the square breach of no feed bin.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the adjusting rack includes vertical square tube, vertical square tube one end
It is connected with swing square tube by rotary connector, vertical square tube is connected with adjusting square tube through H-type connector, adjusts square tube and swings
It is connected between square tube by U-shaped sliding block, is equipped with fastening nut through threaded hole on U-shaped sliding block.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the load-bearing servomechanism includes telescopic rod, is passed through on telescopic rod
Supporting plate connector is equipped with small arm blaster, and the tail end of telescopic rod is hinged with gas spring through gas spring seat, and the telescopic end of gas spring is hinged
There is big arm blaster, small arm blaster and big arm blaster are articulated and connected, are equipped on the inner surface of the small arm blaster and big arm blaster
The two sides of the foam-rubber cushion of one layer buffer protection function, small arm blaster and big arm blaster are equipped with the nylon being fixed on manpower and take
Button.
In rupture of membranes formula vegetables and fruits fertilising auxiliary device above-mentioned, the membrane-repturing device includes two rupture of membranes plates being oppositely arranged, and is broken
Diaphragm plate includes square floor, and square floor two sides are vertically equipped with triangle side plate.
Compared with prior art, the present invention mainly by open-close type rupture of membranes mechanism, Overruning feeding mechanism, adjust rack, can
Variant transmission mechanism and load-bearing servomechanism are constituted.Load-bearing servomechanism is fixed on arm, and is connected with working portion
It connects；Secondly, adjusting rack to change the angle of rack to adapt to the vegetables and fruits of different plantation height from different plantation spacing；Then,
By type variable transmission mechanism come regulated fertilization amount；After preparation is finished, between fertilizer applicator working portion is protruded into plant, triangle
Support frame leans against on mulch naturally, clutches handle, and Overruning feeding mechanism and open-close type rupture of membranes mechanism is driven to complete rupture of membranes
With fertilising work；Last release handle laterally moves fertilizer applicator, is applied fertilizer next time.Rupture of membranes and tune not only may be implemented in this
Save the function of single feed amount, and can adaptive frame angle variation, have apply fertilizer it is high-efficient, it is adaptable, it is anti-blocking
Plug, it is easy to use comfortable the features such as.
An aside 40 × 80mm lack is pushed the mulch for being coated on arable land surface by open-close type rupture of membranes mechanism of the invention
Mouthful, it realizes with the function of lesser power rupture of membranes.The Overruning feeding mechanism, can not only avoid granular fertilizers and container
Extruding or stuck phenomenon are generated, and is driven aspect and two movements of feeding and rupture of membranes combines together, it is dynamic to simplify fertilising
Make, improves fertilising efficiency.In addition to this, feeding mechanism is divided into no feed bin and storage bin, solves existing equipment outlet fertilizer
The problem of blocking.The adjusting rack realizes the adjusting of 30 ° to 150 ° angular ranges of working arm, not of the same race to adapt to vegetables and fruits
Plant spacing and plantation height.
The present invention be it is a kind of can quick and laborsaving rupture of membranes device；Or a kind of device for being adjustable dose；The present invention
For same soil, each dose keeps identical, and error is no more than ± 3g, realizes the function of quantitative fertilization.For
Different vegetables and fruits plantation landforms and plant spacing, the present invention can adapt to different height and different spacing by adjusting rack
Vegetables and fruits.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of open-close type rupture of membranes mechanism；
Fig. 3 is the structural schematic diagram of Overruning feeding mechanism；
Fig. 4 is the structural schematic diagram for adjusting rack；
Fig. 5 is the structural schematic diagram of type variable transmission mechanism；
Fig. 6 is the structural schematic diagram of load-bearing servomechanism.
The label in accompanying drawing is: 1- line shaft, 2- kinematic link, 3- membrane-repturing device, 4- triangular support bracket, 5- feeding round tube,
6- connector, 7- feed ram bar, 8- is without feed bin, 9- pushing piston, 10- storage bin, 11- tune measuring tank, 12- tune amount bolt, 13-
Vertical square tube, 14-H type connector, 15- adjust square tube, 16- rotary connector, and 17- swings square tube, 18- fastening nut, 19-U
Type sliding block, 20- wire, 21- outer rim, 22- handle, 23- handle frame, 24- handle, the big arm blaster of 25-, 26- hinge, 27-
Gas spring, 28- fertilizer bucket, 29- gas spring seat, the small arm blaster of 30-, 31- bolt type circular sliding slopes part, 32- telescopic rod, 33- rub
Erasing circular sliding slopes part, 34- feeding tube.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.Rupture of membranes formula vegetables and fruits fertilising auxiliary device, is constituted as shown in figures 1 to 6, it is characterised in that: including load-bearing power-assisted
Mechanism, load-bearing servomechanism are connected with adjusting rack, adjust rack and are connected with Overruning feeding mechanism, Overruning feeding mechanism connects
It is connected to open-close type rupture of membranes mechanism, rack is adjusted and is equipped with the type variable transmission mechanism connecting with Overruning feeding mechanism；It is described to overflow
Formula feeding mechanism is connected with fertilizer bucket 28 through feeding tube 34 out；Open-close type rupture of membranes mechanism includes feeding round tube 5, feeding circle
The exit of pipe 5 is hinged with membrane-repturing device 3, and the two sides of membrane-repturing device 3 are hinged with triangular support bracket 4；Membrane-repturing device 3 connects through kinematic link 2
It is connected to the connector 6 being slidably connected on feeding round tube 5.The feeding of the kinematic link 2 and feeding mechanism of open-close type rupture of membranes mechanism
Piston rod 7 is connected to connector together, forms linkage.Membrane-repturing device 3 and feeding round tube 5, triangular support bracket 4 pass through folding axis connection
Together, identical rotation axis is made it have.Described 2 one end of kinematic link is connected with membrane-repturing device 3 is connect, and one end is connected to
On connector 6.Described 6 sets of connector, can be for linear motion along round tube bus on the outside of discharging round tube.
The Overruning feeding mechanism includes no feed bin 8, and no 8 side of feed bin is equipped with storage bin 10, the upper end of storage bin 10
It being connected to the upper end of no feed bin 8, the lower end of no feed bin 8 is connect with feeding round tube 5, it is equipped with pushing piston 9 in the storage bin 10,
The both ends of pushing piston 9 have been connected through a screw thread feed ram bar 7 and line shaft 1；Feed ram bar 7 is connect with connector 6, is moved
Power axis 1 is connect with type variable transmission mechanism.Pushing piston 9 is mounted on the inside of storage bin 10, can move freely.It is described without material
Storehouse 8 welds together it with 10 top of storage bin, and tail portion welds together with feeding round tube 5.It can be fixed on by square cover
The upper surface of no feed bin 8 seals.Two end faces up and down that storage bin 10 can be fixed on by square cover with holes are used as power 1 He of axis
The positioning of feed ram bar 7.6 outer end of connector is fixed on the outer ring of the feed ram bar 7 in Overruning feeding mechanism.
Connector 6 is moved synchronously with feed ram bar 7, and rupture of membranes is synchronous with feeding to carry out.
The type variable transmission mechanism includes handle 24, is connected with handle 22 through handle frame 23 on handle 24, and handle 22 connects
It is connected to the wire 20 with outer rim 21, outer rim 21 is connected with the tune measuring tank 11 for being fixed on Overruning feeding mechanism upper end,
The wire 20 is connected with tune amount bolt 12, and tune amount bolt 12 is threadedly coupled with line shaft 1.By adjust tune amount bolt 12 come
The range of line shaft 1 is controlled, to reach the function of adjusting single dose.The tune measuring tank 11 can pass through bolt point
It is not connect with Overruning feeding mechanism, reaches connection reliably, the high requirement of intensity.
The no feed bin 8 connect the square breach (38 × 50mm) that side is provided with one, storage bin 10 with storage bin 10
The other side is provided with a circumferential notch, and the square breach of the storage bin 10 are located above circumferential notch, and with no feed bin 8
Square breach alignment.
The adjusting rack includes vertical square tube 13, and vertical 13 one end of square tube is connected with swing side by rotary connector 16
Pipe 17, vertical square tube 13 are connected with through H-type connector 14 and adjust square tube 15, adjust and pass through U between square tube 15 and swing square tube 17
Type sliding block 19 connects, and is equipped with fastening nut 18 through threaded hole on U-shaped sliding block 19.Described 17 one end of swing square tube is connected by H-type
Fitting 14 is connect with vertical square tube 13, and the other end is connect by U-shaped sliding block with square tube 17 is swung, and constitutes a crank block machine
Structure.There is a threaded hole in 19 upper end of U-shaped sliding block, connects fastening nut 18, to lock the position for swinging square tube 17.
The load-bearing servomechanism includes telescopic rod 32, through supporting plate connector (is bolt type circular sliding slopes on telescopic rod 32
Part 31 and frictional circular sliding slopes part 33) it is equipped with small arm blaster 30, the tail end of telescopic rod 32 is hinged with gas bullet through gas spring seat 29
Spring 27, the telescopic end of gas spring 27 are hinged with big arm blaster 25, small arm blaster 30 and big arm blaster 25 and are hingedly connected by hinge 26
It connects, one layer of foam-rubber cushion for playing buffer protection function, forearm is equipped on the inner surface of the small arm blaster 30 and big arm blaster 25
The two sides of supporting plate 30 and big arm blaster 25 are equipped with the velcro fastener being fixed on manpower.
The membrane-repturing device 3 includes two rupture of membranes plates being oppositely arranged, and rupture of membranes plate includes square floor, and square floor two sides are hung down
Directly it is equipped with triangle side plate.
Load-bearing servomechanism is fixed on arm by the present invention, and is connected with working portion；Secondly, adjusting rack to change
Become the angle of rack to adapt to the vegetables and fruits of different plantation height from different plantation spacing；Then, by type variable transmission mechanism come
Regulated fertilization amount；After preparation is finished, between fertilizer applicator working portion is protruded into plant, triangular support bracket leans against mulch naturally
On, handle is clutched, Overruning feeding mechanism and open-close type rupture of membranes mechanism is driven to complete rupture of membranes and fertilising work；Finally loosen hand
Handle laterally moves fertilizer applicator, is applied fertilizer next time.This not only may be implemented rupture of membranes and adjusts the function of single feed amount, and
And can adaptive frame angle variation, there is the features such as high-efficient, adaptable, anti-clogging of applying fertilizer, easy to use comfortable.
Claims (7)
- The auxiliary device 1. rupture of membranes formula vegetables and fruits apply fertilizer, it is characterised in that: including load-bearing servomechanism, load-bearing servomechanism is connected with tune Rack is saved, rack is adjusted and is connected with Overruning feeding mechanism, Overruning feeding mechanism is connected with open-close type rupture of membranes mechanism, adjusts machine Frame is equipped with the type variable transmission mechanism connecting with Overruning feeding mechanism；The Overruning feeding mechanism is through feeding tube (34) It is connected with fertilizer bucket (28)；Open-close type rupture of membranes mechanism includes feeding round tube (5), and the exit of feeding round tube (5) is hinged with Membrane-repturing device (3), the two sides of membrane-repturing device (3) are hinged with triangular support bracket (4)；Membrane-repturing device (3) is connected with sliding through kinematic link (2) The connector (6) being connected on feeding round tube (5).
- The auxiliary device 2. rupture of membranes formula vegetables and fruits according to claim 1 apply fertilizer, it is characterised in that: the Overruning feeding mechanism Including no feed bin (8), no feed bin (8) side is equipped with storage bin (10), and the upper end of storage bin (10) connects with the upper end of no feed bin (8) Logical, the lower end of no feed bin (8) is connect with feeding round tube (5), is equipped with pushing piston (9) in the storage bin (10), pushing piston (9) both ends have been connected through a screw thread feed ram bar (7) and line shaft (1)；Feed ram bar (7) is connect with connector (6), Line shaft (1) is connect with type variable transmission mechanism.
- The auxiliary device 3. rupture of membranes formula vegetables and fruits according to claim 2 apply fertilizer, it is characterised in that: the type variable transmission mechanism It including handle (24), is connected with handle (22) on handle (24) through handle frame (23), handle (22) is connected with outer rim (21) wire (20), outer rim (21) are connected with the tune measuring tank (11) for being fixed on Overruning feeding mechanism upper end, the steel Silk thread (20) is connected with tune amount bolt (12), and tune amount bolt (12) is threadedly coupled with line shaft (1).
- The auxiliary device 4. rupture of membranes formula vegetables and fruits according to claim 2 apply fertilizer, it is characterised in that: the no feed bin (8) and storage Feed bin (10) connection side is provided with one square breach, and storage bin (10) other side is provided with a circumferential notch, described The square breach of storage bin (10) are located above circumferential notch, and are aligned with the square breach of no feed bin (8).
- The auxiliary device 5. rupture of membranes formula vegetables and fruits according to claim 1 apply fertilizer, it is characterised in that: the adjusting rack includes perpendicular Straight square tube (13), vertical square tube (13) one end are connected with by rotary connector (16) and swing square tube (17), vertical square tube (13) It is connected with through H-type connector (14) and adjusts square tube (15), adjust square tube (15) and swung between square tube (17) through U-shaped sliding block (19) it connects, is equipped with fastening nut (18) through threaded hole on U-shaped sliding block (19).
- The auxiliary device 6. rupture of membranes formula vegetables and fruits according to claim 1 apply fertilizer, it is characterised in that: the load-bearing servomechanism packet It includes telescopic rod (32), is equipped with small arm blaster (30) through supporting plate connector on telescopic rod (32), the tail end of telescopic rod (32) is through gas bullet Spring abutment (29) is hinged with gas spring (27), and the telescopic end of gas spring (27) is hinged with big arm blaster (25), small arm blaster (30) and One layer, which is equipped with, on the inner surface of big arm blaster (25) articulated connection, the small arm blaster (30) and big arm blaster (25) plays buffering The two sides of the foam-rubber cushion of protective effect, small arm blaster (30) and big arm blaster (25) are equipped with the nylon being fixed on manpower and take Button.
- The auxiliary device 7. rupture of membranes formula vegetables and fruits according to claim 1 apply fertilizer, it is characterised in that: the membrane-repturing device (3) includes Two rupture of membranes plates being oppositely arranged, rupture of membranes plate include square floor, and square floor two sides are vertically equipped with triangle side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970174.9A CN109041716B (en) | 2018-08-24 | 2018-08-24 | Broken diaphragm type vegetables and fruits fertilization auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970174.9A CN109041716B (en) | 2018-08-24 | 2018-08-24 | Broken diaphragm type vegetables and fruits fertilization auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109041716A true CN109041716A (en) | 2018-12-21 |
| CN109041716B CN109041716B (en) | 2020-04-03 |
Family
ID=64756554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970174.9A Active CN109041716B (en) | 2018-08-24 | 2018-08-24 | Broken diaphragm type vegetables and fruits fertilization auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109041716B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950915A (en) * | 2021-11-01 | 2022-01-21 | 黑龙江省农垦科学院 | Based on maize is planted with accurate fertilizer placement drill |
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|---|---|---|---|---|
| CN2448064Y (en) * | 2000-10-30 | 2001-09-19 | 丁原书 | Topdressing implement used under much film |
| CN2713789Y (en) * | 2004-07-17 | 2005-08-03 | 云南力天科技开发有限公司 | Back carrying type semi automatic fertilizer placer for agriculture use |
| CN201414295Y (en) * | 2009-05-26 | 2010-03-03 | 张桥梁 | Drill rod inserting type top-dressing appliance |
| CN105009761A (en) * | 2015-07-22 | 2015-11-04 | 重庆市双恩农机制造有限公司 | Linkage fertilizer applicator |
| CN205546517U (en) * | 2016-04-20 | 2016-09-07 | 中国烟草中南农业试验站 | Knapsack formula solid fertilizer fertilizer injection unit |
| CN206851558U (en) * | 2017-06-27 | 2018-01-09 | 贵州省烟草公司遵义市公司余庆县分公司 | Rupture of membranes, earthing, fertilization all-in-one machine after small transplantation of seedlings under portable flue-cured tobacco film |
| CN108307785A (en) * | 2018-04-27 | 2018-07-24 | 温州大学 | A kind of notch stays stem formula pineapple to pick auxiliary tool |
-
2018
- 2018-08-24 CN CN201810970174.9A patent/CN109041716B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448064Y (en) * | 2000-10-30 | 2001-09-19 | 丁原书 | Topdressing implement used under much film |
| CN2713789Y (en) * | 2004-07-17 | 2005-08-03 | 云南力天科技开发有限公司 | Back carrying type semi automatic fertilizer placer for agriculture use |
| CN201414295Y (en) * | 2009-05-26 | 2010-03-03 | 张桥梁 | Drill rod inserting type top-dressing appliance |
| CN105009761A (en) * | 2015-07-22 | 2015-11-04 | 重庆市双恩农机制造有限公司 | Linkage fertilizer applicator |
| CN205546517U (en) * | 2016-04-20 | 2016-09-07 | 中国烟草中南农业试验站 | Knapsack formula solid fertilizer fertilizer injection unit |
| CN206851558U (en) * | 2017-06-27 | 2018-01-09 | 贵州省烟草公司遵义市公司余庆县分公司 | Rupture of membranes, earthing, fertilization all-in-one machine after small transplantation of seedlings under portable flue-cured tobacco film |
| CN108307785A (en) * | 2018-04-27 | 2018-07-24 | 温州大学 | A kind of notch stays stem formula pineapple to pick auxiliary tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113950915A (en) * | 2021-11-01 | 2022-01-21 | 黑龙江省农垦科学院 | Based on maize is planted with accurate fertilizer placement drill |
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| Publication number | Publication date |
|---|---|
| CN109041716B (en) | 2020-04-03 |
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Application publication date: 20181221 Assignee: Zhejiang guangzhiyuan Technology Co.,Ltd. Assignor: Wenzhou University Contract record no.: X2023330000101 Denomination of invention: Film breaking auxiliary device for fertilizer application for vegetables and fruits Granted publication date: 20200403 License type: Common License Record date: 20230311 |
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