CN113196928A - Navel orange is planted and is used fertilizer injection unit - Google Patents

Navel orange is planted and is used fertilizer injection unit Download PDF

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Publication number
CN113196928A
CN113196928A CN202110479277.7A CN202110479277A CN113196928A CN 113196928 A CN113196928 A CN 113196928A CN 202110479277 A CN202110479277 A CN 202110479277A CN 113196928 A CN113196928 A CN 113196928A
Authority
CN
China
Prior art keywords
water
fertilizer
navel orange
pipe
mounting platform
Prior art date
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
Application number
CN202110479277.7A
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Chinese (zh)
Inventor
张相良
张卿龙
甘霖
王晨
李平
李小花
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ganzhou Tiancheng Agricultural Technology Development Co ltd
Original Assignee
Ganzhou Tiancheng Agricultural Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ganzhou Tiancheng Agricultural Technology Development Co ltd filed Critical Ganzhou Tiancheng Agricultural Technology Development Co ltd
Priority to CN202110479277.7A priority Critical patent/CN113196928A/en
Publication of CN113196928A publication Critical patent/CN113196928A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/047Spraying of liquid fertilisers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00Crushing or disintegrating by reciprocating members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fertilizing (AREA)

Abstract

The invention discloses a fertilizing device for navel orange planting, which comprises an installation platform, wherein a feed box is fixed on the installation platform, a water pump is fixed on the lower surface of the installation platform, a water inlet of the water pump is connected with a water suction pipe, one end of the water suction pipe is positioned in the feed box, a water outlet of the water pump is connected with a water supply pipe, the upper end of the water supply pipe is connected with a flow dividing pipe, spray pipes are symmetrically and rotatably arranged on the flow dividing pipe, and one end of each spray pipe is connected with a spray head. When the device is used, fertilizer and water are added into the material box, the driven rod, the mounting plate and the stirring blades are driven by the motor to rotate left and right to stir the water and the fertilizer, so that the water and the fertilizer are fused in the device, the operation is convenient, and the efficiency is improved; when the device is used, the pressing block moves up and down to extrude the blocky fertilizer on the surface of the sieve plate, and the blocky fertilizer is crushed and falls into the material box, so that the influence of the blocky fertilizer on the mixing efficiency can be avoided; impurity blocks up the shower nozzle in can avoiding water-soluble fertile through the setting of crossing the filtration pore and crossing the filter frame.

Description

Navel orange is planted and is used fertilizer injection unit
Technical Field
The invention relates to the technical field of navel orange fertilization, in particular to a fertilizing device for navel orange planting.
Background
Navel oranges are fine varieties of oranges which compete for cultivation in various countries in the world, at present, a lot of high-quality navel oranges are cultivated in various regions of China, the navel oranges are rich in nutrition and contain various nutritional ingredients necessary for human bodies, navel orange trees are divided into three growth age groups, the fertilization modes in different age groups are different, when the navel orange trees are in young age groups, the crown expansion and the tree vigor enhancement are mainly performed, and fertilizers are applied thinly and frequently.
But the fertilizer injection unit of usefulness is planted to present most navel orange mixes back its intensive mixing of outside agitator then pours into the shallow workbin into with fertilizer and water more, pushes away navel orange department and carries out fertilizer spraying operation to the navel orange tree, and the operation is more loaded down with trivial details, and fertilization efficiency is lower.
Disclosure of Invention
The invention aims to provide a fertilizing device for navel orange planting, and aims to solve the problems of troublesome operation and low fertilizing efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a navel orange is planted and is used fertilizer injection unit, includes mounting platform, the last workbin that is fixed with of mounting platform, mounting platform's lower extreme symmetry is provided with the reference column, the buffering post has been cup jointed on the reference column, the universal wheel is installed to the lower extreme of buffering post, mounting platform's lower fixed surface has the water pump, the water inlet of water pump is connected with the pipe that absorbs water, the one end that absorbs water the pipe is located inside the workbin, the delivery port of water pump is connected with the flow pipe, the flow pipe upper end is connected with the shunt tubes, the symmetry rotates on the shunt tubes and installs the spray tube, and the spray tube rotates the inboard of installing at waterproof bearing, can fertilize two rows of navel oranges simultaneously through two spray tubes, improves work efficiency, the one end of spray tube is connected with the shower nozzle.
Preferably, a first spring is arranged between the positioning column and the buffering column, and the buffering column is buffered when moving along the positioning column through the elasticity of the first spring.
Preferably, be provided with fertilizer feed inlet and water source feed inlet on the workbin, water source feed inlet inner wall is provided with the filtration pore, filters aquatic impurity through filtering the pore, and the inboard fixedly connected with sieve of fertilizer feed inlet filters the cubic crystallization in the fertilizer through the sieve.
Preferably, the sieve plate is provided with a driving rod in a sliding mode, a pressing block is arranged at the upper end of the driving rod, a second spring is arranged between the pressing block and the sieve plate, and after the pressing block loses the abutting joint of the eccentric wheel, the pressing block is pushed by the elastic force of the second spring to drive the driving rod to move upwards.
Preferably, the inner wall of workbin rotates and is connected with the driven lever, and threaded connection has the actuating lever on the driven lever, and the actuating lever reciprocates and drives the driven lever rotation about, and the symmetry is provided with the mounting panel on the driven lever, is provided with the stirring leaf on the mounting panel, and the driven lever drives the mounting panel and stirs the leaf rotation about and stirs the workbin inside.
Preferably, install the motor on the workbin, the rotation axis connection of motor has the eccentric wheel, and the eccentric wheel meets with the briquetting, and the motor drives the eccentric wheel and rotates, follows the unable fertilizer through the sieve surface of sieve downstream butt through eccentric wheel butt briquetting, makes it fall from the sieve smoothly with its crushing, melts when conveniently stirring.
Preferably, the last symmetry of mounting platform is provided with the arc mouth, the inboard sliding connection of arc mouth has the uide pin, the upper end of uide pin is provided with the connecting block, the connecting block inboard is fixed with the spray tube, the slip is provided with the locating piece on the uide pin, the lower surface and the mounting platform of locating piece meet, the third spring has been cup jointed on the uide pin, the both ends of third spring link to each other with connecting block and locating piece respectively, according to the navel orange interval, rotate the regulation reply undivided navel orange fertilization along the arc mouth with the spray tube, the elasticity through the third spring promotes the downward butt mounting platform of locating piece, can fix a position the horizontal rotation angle of spray tube.
Preferably, the spray pipe is provided with a stop valve, and when the single-row spraying is performed, the spray pipe on one side which is not required to be sprayed is closed through the stop valve.
Preferably, one end of the water suction pipe is in threaded connection with a filter frame, and nutrient solution on the inner side of the water suction pump is filtered through the filter frame to prevent the nozzle from being blocked.
Compared with the prior art, the invention has the beneficial effects that: when the device is used, fertilizer and water are added into the material box, the driven rod, the mounting plate and the stirring blades are driven by the motor to rotate left and right to stir the water and the fertilizer, so that the water and the fertilizer are fused in the device, the operation is convenient, and the efficiency is improved;
when the device is used, the pressing block moves up and down to extrude the blocky fertilizer on the surface of the sieve plate, and the blocky fertilizer is crushed and falls into the material box, so that the influence of the blocky fertilizer on the mixing efficiency can be avoided;
the device can prevent impurities in the water-soluble fertilizer from blocking the spray head through the arrangement of the filtering holes and the filtering frame;
the device can improve the fertilization efficiency by spraying the water-soluble fertilizer through the spray pipes on the two sides of the device;
the device can rotate the spray pipe along the arc-shaped opening to adjust the position of the spray head according to the distance between the navel orange trees;
during the pushing process of the device, the fertilizer applying device can be buffered on a bumpy road surface through the elastic force of the first spring.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
fig. 3 is a top view of the mounting platform of the present invention.
In the figure: the device comprises an installation platform 1, a positioning column 11, a buffer column 12, a first spring 13, a universal wheel 14, an arc-shaped opening 15, a feed box 2, a water source feed inlet 21, a filtering hole 22, a fertilizer feed inlet 23, a sieve plate 24, a motor 25, an eccentric wheel 26, a driving rod 3, a driven rod 31, a mounting plate 32, a stirring blade 33, a second spring 34, a pressing block 35, a water pump 4, a water suction pipe 41, a water supply pipe 42, a filtering frame 43, a flow dividing pipe 44, a spray pipe 5, a spray head 51, a stop valve 52, a connecting block 53, a third spring 54, a guide pin 55 and a positioning block 56.
Detailed Description
Please refer to fig. 1 and 2, a fertilizing apparatus for navel orange planting, including mounting platform 1, mounting platform 1 is last to be fixed with workbin 2, mounting platform 1's lower extreme symmetry is provided with reference column 11, reference column 11 is last to have cup jointed bumping post 12, universal wheel 14 is installed to the lower extreme of bumping post 12, mounting platform 1's lower fixed surface has water pump 4, water pump 4's water inlet is connected with the pipe 41 that absorbs water, the one end of the pipe 41 that absorbs water is located inside workbin 2, water pump 4's delivery port is connected with water supply pipe 42, water supply pipe 42 upper end is connected with shunt tubes 44, the symmetry rotates on shunt tubes 44 and installs spray tube 5, spray tube 5 rotates the inboard of installing at waterproof bearing, can fertilize simultaneously two rows of navel oranges through two spray tubes 5, and improve work efficiency, the one end of spray tube 5 is connected with shower nozzle 51.
Referring to fig. 2, a first spring 13 is disposed between the positioning post 11 and the buffering post 12, and the buffering post 12 is buffered by the elastic force of the first spring 13 when moving along the positioning post 11.
Referring to fig. 2, a fertilizer feed port 23 and a water source feed port 21 are arranged on the material box 2, a filtering hole 22 is arranged on the inner wall of the water source feed port 21, impurities in water are filtered through the filtering hole 22, a sieve plate 24 is fixedly connected to the inner side of the fertilizer feed port 23, and massive crystals in the fertilizer are filtered through the sieve plate 24.
Referring to fig. 2, the driving rod 3 is slidably disposed on the sieve plate 24, a pressing block 35 is disposed at the upper end of the driving rod 3, a second spring 34 is disposed between the pressing block 35 and the sieve plate 24, and after the pressing block 35 loses the abutment of the eccentric wheel 26, the pressing block 35 is pushed by the elastic force of the second spring 34 to drive the driving rod 3 to move upward.
Referring to fig. 2, a driven rod 31 is rotatably connected to the inner wall of the material box 2, a driving rod 3 is threadedly connected to the driven rod 31, the driving rod 3 moves up and down to drive the driven rod to rotate left and right, mounting plates 32 are symmetrically arranged on the driven rod 31, stirring blades 33 are arranged on the mounting plates 32, and the driven rod 31 drives the mounting plates 32 and the stirring blades 33 to rotate left and right to stir the interior of the material box 2.
Referring to fig. 1 and 2, a motor 25 is mounted on the bin 2, an eccentric wheel 26 is connected to a rotating shaft of the motor 25, the eccentric wheel 26 is connected to a pressing block 35, the motor 25 drives the eccentric wheel 26 to rotate, the eccentric wheel 26 abuts against the pressing block 35 to move downwards along the sieve plate 24 to abut against the fertilizer which cannot pass through the surface of the sieve plate 24, and the fertilizer is crushed to fall off the sieve plate 24 smoothly, so that the fertilizer is convenient to melt during stirring.
Referring to fig. 2 and 3, the arc-shaped opening 15 is symmetrically arranged on the mounting platform 1, the inner side of the arc-shaped opening 15 is slidably connected with a guide pin 55, a connecting block 53 is arranged at the upper end of the guide pin 55, the spray pipe 5 is fixed on the inner side of the connecting block 53, a positioning block 56 is slidably arranged on the guide pin 55, the lower surface of the positioning block 56 is connected with the mounting platform 1, a third spring 54 is sleeved on the guide pin 55, two ends of the third spring 54 are respectively connected with the connecting block 53 and the positioning block 56, the spray pipe 5 is rotated and adjusted along the arc-shaped opening 15 to apply fertilizer to the navel orange at different intervals according to the navel orange interval, the positioning block 56 is pushed by the elasticity of the third spring 54 to abut against the mounting platform 1 downwards, and the horizontal rotation angle of the spray pipe 5 can be positioned.
Referring to fig. 1 and 2, a stop valve 52 is installed on the spray pipe 5, and when spraying single row, the spray pipe 5 on the side where spraying is not needed is closed by the stop valve 52.
Referring to fig. 2, a filter frame 43 is screwed to one end of the suction pipe 41, and the nutrient solution inside the suction pump 4 is filtered by the filter frame 43 to prevent the nozzle 51 from being blocked.
The invention is implemented as follows: when in stirring, fertilizer and water are added into the feed box 2 through the fertilizer feed port 23 and the water source feed port 21, the fertilizer is screened through the sieve plate 24 when entering the feed box 2, the massive fertilizer is left on the surface of the fertilizer, when entering the feed box 2, the water is filtered through the filtering holes 22 and then enters the feed box 2, then the motor 25 drives the eccentric wheel 26 to rotate, the eccentric wheel 26 is abutted with the pressing block 35 to move downwards along the sieve plate 24, the pressing block is abutted with the blocky fertilizer on the surface of the sieve plate 24 to crush the blocky fertilizer so that the blocky fertilizer can smoothly fall down from the sieve plate 24, when the eccentric wheel 26 rotates, and the pressing block 35 loses the abutment, the pressing block 35 is pushed by the elasticity of the second spring 34 to drive the driving rod 3 to move upwards, when the driving rod 3 moves up and down, the driven rod 31 is driven to rotate, and the water and fertilizer in the material box 2 are stirred through the left-right rotation of the mounting plate 32 and the stirring blades 33, so that the operation is facilitated;
during the use, according to the interval between the navel orange tree, rotate the position that shower nozzle 51 was adjusted to spray tube 5 along arc mouth 15, then open water pump 4, spray the navel orange with 2 inside liquid manure of workbin through 5 follow shower nozzles 51 blowout of device both sides spray tubes to this can improve fertilization efficiency.

Claims (9)

1. The utility model provides a navel orange is planted and is used fertilizer injection unit, includes mounting platform (1), its characterized in that: be fixed with workbin (2) on mounting platform (1), the lower extreme symmetry of mounting platform (1) is provided with reference column (11), buffer post (12) has been cup jointed on reference column (11), universal wheel (14) are installed to the lower extreme of buffer post (12), the lower fixed surface of mounting platform (1) has water pump (4), the water inlet of water pump (4) is connected with the pipe that absorbs water (41), the one end that absorbs water pipe (41) is located workbin (2) inside, the delivery port of water pump (4) is connected with flow pipe (42), flow pipe (42) upper end is connected with shunt tubes (44), symmetrical rotation installs spray tube (5) on shunt tubes (44), the one end of spray tube (5) is connected with shower nozzle (51).
2. The fertilization device for navel orange planting according to claim 1, wherein: a first spring (13) is arranged between the positioning column (11) and the buffer column (12).
3. The fertilization device for navel orange planting according to claim 1, wherein: the fertilizer box (2) is provided with a fertilizer feeding hole (23) and a water source feeding hole (21), the inner wall of the water source feeding hole (21) is provided with a filtering hole (22), and the inner side of the fertilizer feeding hole (23) is fixedly connected with a sieve plate (24).
4. The fertilization device for navel orange planting according to claim 2, wherein: the sieve plate (24) is provided with a driving rod (3) in a sliding mode, a pressing block (35) is arranged at the upper end of the driving rod (3), and a second spring (34) is arranged between the pressing block (35) and the sieve plate (24).
5. The fertilization device for navel orange planting according to claim 1, wherein: the inner wall of the work bin (2) is rotatably connected with a driven rod (31), the driven rod (31) is connected with a driving rod (3) in a threaded mode, mounting plates (32) are symmetrically arranged on the driven rod (31), and stirring blades (33) are arranged on the mounting plates (32).
6. The fertilization device for navel orange planting according to claim 1, wherein: the feed box (2) is provided with a motor (25), the rotating shaft of the motor (25) is connected with an eccentric wheel (26), and the eccentric wheel (26) is connected with a pressing block (35).
7. The fertilization device for navel orange planting according to claim 1, wherein: the mounting platform is characterized in that arc-shaped openings (15) are symmetrically formed in the mounting platform (1), guide pins (55) are slidably connected to the inner sides of the arc-shaped openings (15), connecting blocks (53) are arranged at the upper ends of the guide pins (55), spray pipes (5) are fixed to the inner sides of the connecting blocks (53), positioning blocks (56) are slidably arranged on the guide pins (55), the lower surfaces of the positioning blocks (56) are connected with the mounting platform (1), third springs (54) are sleeved on the guide pins (55), and two ends of the third springs (54) are connected with the connecting blocks (53) and the positioning blocks (56) respectively.
8. The fertilization device for navel orange planting according to claim 1, wherein: and a stop valve (52) is arranged on the spray pipe (5).
9. The fertilization device for navel orange planting according to claim 1, wherein: one end of the water suction pipe (41) is connected with a filter frame (43) in a threaded manner.
CN202110479277.7A 2021-04-30 2021-04-30 Navel orange is planted and is used fertilizer injection unit Pending CN113196928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110479277.7A CN113196928A (en) 2021-04-30 2021-04-30 Navel orange is planted and is used fertilizer injection unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110479277.7A CN113196928A (en) 2021-04-30 2021-04-30 Navel orange is planted and is used fertilizer injection unit

Publications (1)

Publication Number Publication Date
CN113196928A true CN113196928A (en) 2021-08-03

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CN202110479277.7A Pending CN113196928A (en) 2021-04-30 2021-04-30 Navel orange is planted and is used fertilizer injection unit

Country Status (1)

Country Link
CN (1) CN113196928A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170142956A1 (en) * 2015-11-20 2017-05-25 Paul A. Andruk Utility Walk-Behind Vehicle for Agriculture and Property Maintenance
CN107377055A (en) * 2017-09-18 2017-11-24 陈剑波 A kind of broken processing unit (plant) of fertilizer
CN207235896U (en) * 2017-05-19 2018-04-17 钱永胜 A kind of veil sprayer
CN109121641A (en) * 2018-09-13 2019-01-04 苏州仁益生物科技有限公司 A kind of agricultural irrigation device for administration of drugs
CN208540645U (en) * 2018-06-14 2019-02-26 侯红彩 A kind of agricultural planting pesticide spraying device
CN110506481A (en) * 2019-08-22 2019-11-29 凤台县水利建筑安装工程公司 A kind of water-saving farmland fertilizer irrigation device
CN210671571U (en) * 2019-08-22 2020-06-05 内蒙古醒禾环保科技有限公司 Environmental maintenance device for mine greening
CN210929309U (en) * 2019-08-21 2020-07-07 北京市中宏晓月园林绿化工程有限公司 Operation equipment for landscaping agriculture

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170142956A1 (en) * 2015-11-20 2017-05-25 Paul A. Andruk Utility Walk-Behind Vehicle for Agriculture and Property Maintenance
CN207235896U (en) * 2017-05-19 2018-04-17 钱永胜 A kind of veil sprayer
CN107377055A (en) * 2017-09-18 2017-11-24 陈剑波 A kind of broken processing unit (plant) of fertilizer
CN208540645U (en) * 2018-06-14 2019-02-26 侯红彩 A kind of agricultural planting pesticide spraying device
CN109121641A (en) * 2018-09-13 2019-01-04 苏州仁益生物科技有限公司 A kind of agricultural irrigation device for administration of drugs
CN210929309U (en) * 2019-08-21 2020-07-07 北京市中宏晓月园林绿化工程有限公司 Operation equipment for landscaping agriculture
CN110506481A (en) * 2019-08-22 2019-11-29 凤台县水利建筑安装工程公司 A kind of water-saving farmland fertilizer irrigation device
CN210671571U (en) * 2019-08-22 2020-06-05 内蒙古醒禾环保科技有限公司 Environmental maintenance device for mine greening

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Application publication date: 20210803

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