CN115299230B - Aroma-enhancing cultivation fertilizer apparatus for cultivating high-quality hybrid rice - Google Patents
Aroma-enhancing cultivation fertilizer apparatus for cultivating high-quality hybrid rice Download PDFInfo
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- CN115299230B CN115299230B CN202210773716.XA CN202210773716A CN115299230B CN 115299230 B CN115299230 B CN 115299230B CN 202210773716 A CN202210773716 A CN 202210773716A CN 115299230 B CN115299230 B CN 115299230B
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- Prior art keywords
- bevel gear
- hybrid rice
- aroma
- fertilizer
- cultivation
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention belongs to the technical field of fertilizer applying devices, and discloses a high-quality hybrid rice cultivation aroma-enhancing cultivation fertilizer applying device which comprises a bottom plate, wherein a moving wheel is arranged at the bottom of the bottom plate, a push rod is arranged on the bottom plate, a base is arranged on the bottom plate, a lifting seat is slidably arranged on the base, a telescopic cylinder is arranged between the base and the lifting seat, a mixing box is arranged on the lifting seat, a transmission box is arranged on the outer side of the mixing box, a motor is arranged at the top of the mixing box, a water absorbing cavity is isolated from the mounting position of a rotating blade by the transmission box, the water absorbing cavity is communicated with the mixing box, a supporting seat is arranged on the lifting seat, a placing cylinder is arranged on the supporting seat, a locking screw is arranged on the placing cylinder, and a spraying part is arranged on the placing cylinder.
Description
Technical Field
The invention belongs to the technical field of fertilizer application devices, and particularly relates to an aroma-enhancing cultivation fertilizer application device for cultivating high-quality hybrid rice.
Background
The hybrid rice is characterized in that two rice varieties with certain genetic difference and complementary excellent characters are selected for hybridization to produce first-generation hybrid seeds with hybrid vigor, and the first-generation hybrid seeds are used for production, namely hybrid rice, namely the combination of sub-generation hybrid seeds with strong vigor generated by hybridization between two rice varieties (lines) with different genetic compositions is generally called;
fertilizing, which is agricultural technical measures of applying fertilizers to soil or spraying the fertilizers on plants, providing nutrients required by the plants, and maintaining and improving the soil fertility; the main purpose of fertilization is to increase crop yield, improve crop quality, fertilize soil fertility and increase economic benefit, so reasonable and scientific fertilization is one of the main means for guaranteeing grain safety and maintaining sustainable development of agriculture; the main basis of fertilization is soil fertility level, crop type, target yield, climate environment and fertilizer characteristics, so that proper fertilizer is selected, the required fertilizer dosage is estimated, and fertilization time and fertilization mode are determined; according to different fertilization time, the fertilizer can be divided into base fertilizer and additional fertilizer, and according to different fertilization modes, the fertilizer can be divided into broadcast application, punching application, hole application, strip application and the like; the spreading and flushing are favorable for the diffusion of nutrients, the application is convenient, but the nutrient loss is large and the utilization rate is low; the nutrient loss of hole fertilization and strip fertilization is less, the utilization rate is high, but a certain amount of mechanical energy is consumed; along with the development of modern accurate agriculture, accurate fertilization is rapidly developed, and becomes an important fertilization mode;
the fertilizer injection unit in the prior art has higher cost, does not realize multiple purposes, and further has increased cost and poor economy.
Disclosure of Invention
In view of the above-mentioned problems with the background art, the present invention has as its object: aims at providing a flavoring cultivation fertilizer apparatus for cultivating high-quality hybrid rice.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a high-quality hybrid rice cultivates and uses flavouring cultivation fertilizer injection unit, including the bottom plate, the bottom plate bottom is installed and is removed the round, the bottom plate is installed the push rod, the bottom plate is installed the base, base slidable mounting has the elevating socket, the base with install flexible jar between the elevating socket, the elevating socket is installed the mixing box, the transmission case is installed to the mixing box outside, the motor is installed at mixing box top, the motor output is connected with and is located the inside first helical gear of transmission case, the motor output is connected with and is located the pivot in mixing box, the stirring leaf is installed to the pivot, the transmission case is right angle rotation and installs first swivel post and second swivel post, first swivel post both ends fixedly connected with second helical gear, second and third helical gear of both ends fixedly connected with, one of them second helical gear matches with first helical gear meshing, another third helical gear meshing matches, the fourth helical gear is located the first helical gear is located in transmission case inside first helical gear, the fourth helical gear is located the rotation support is equipped with the rotation of a third helical gear supporting seat, the rotation is equipped with the rotation support seat, the rotation is equipped with the rotation of a third helical gear supporting seat is located the rotation of rotation seat, the rotation is equipped with the rotation of a third helical gear supporting seat, the rotation is equipped with the rotation cavity, the rotation is equipped with the rotation seat is equipped with the rotation of a third pump, the rotation seat is equipped with the rotation seat, the rotation is equipped with the rotation seat, and is fixed with the rotation, the rotation has the rotation and a rotation of a rotation; the spraying component comprises a main pipe, a plurality of spray pipes, a connecting piece and a blocking piece, wherein the spray pipes are provided with a plurality of spray heads, the main pipe is in threaded connection with the spray pipes, the spray pipes are in threaded connection with each other, the connecting piece is in threaded connection with the main pipe, the blocking piece is in threaded connection with the spray pipes, a water pipe is connected between the connecting piece and the water suction cavity, and a manual butterfly valve is installed on the water pipe.
Further limited, the lifting seat is provided with a placement box, so that sundries and spraying components can be placed conveniently, and the overall appearance is good.
Further defined, the lifting seat is in clearance fit with the base, so that the lifting seat is stably lifted.
Further, the second bevel gear and the third bevel gear are identical in specification, and the design is convenient for replacement and maintenance of spare parts.
Further limited, the water absorption cavity is transparent material water absorption cavity, and the design is convenient for observe the running condition.
Further defined, the height of the supporting seat is adjustable, and the spraying height is further adjusted by the design, so that the spraying area is controlled.
Further limited, the spray pipes are multiple in specification, the spray pipes with the same specification can be spliced with each other, and the design is convenient for adapting to different spraying intervals and is suitable for different fertilization occasions.
Further defined, the spray head is an adjustable atomization spray head, and different fertilization modes are used according to requirements.
The beneficial effects of the invention are that:
the invention realizes the stirring effect by driving the stirring blade to rotate through the motor, and realizes the purpose of driving the rotating blade to rotate through the mutual matching of all the components in the transmission case, thereby achieving the effect of the water pump, namely realizing the purpose of spraying and fertilizing by leading the liquid water pipe in the mixing case to enter the spraying component, and realizing multiple purposes, energy saving and economic cost saving;
the lifting seat can be adjusted in a lifting manner, so that the purpose of adjusting the spraying and fertilizing height is achieved, the control of the spraying and fertilizing range is further achieved, the spliced structure of the spray pipes can adapt to fertilizing areas with different lengths, the purpose of one-time fertilization is achieved, and the efficiency is high.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of an embodiment of a flavoring, cultivating and fertilizing device for cultivating high-quality hybrid rice;
FIG. 2 is a schematic view showing a partially sectioned structure of a sprinkling member of an embodiment of a flavored cultivation and fertilization device for cultivating high-quality hybrid rice according to the present invention;
FIG. 3 is a schematic view showing the position and cross-sectional structure of a mixing box of an embodiment of a flavoring, cultivating and fertilizing device for cultivating high-quality hybrid rice according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
the main reference numerals are as follows:
the device comprises a bottom plate 1, a moving wheel 2, a push rod 3, a base 4, a lifting seat 5, a telescopic cylinder 51, a placing box 52, a mixing box 6, a transmission box 7, a motor 8, a first bevel gear 9, a rotating shaft 10, a stirring blade 11, a first rotating column 12, a second rotating column 13, a second bevel gear 14, a third bevel gear 15, a fourth bevel gear 16, a third rotating column 17, a rotating blade 18, a water absorbing cavity 19, a supporting seat 20, a placing cylinder 21, a locking screw 22, a spraying part 23, a main pipe 231, a spray pipe 232, a connecting piece 233, a blocking piece 234 and a spray head 235.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in figures 1-4, the flavoring cultivation fertilizer injection unit for cultivating high-quality hybrid rice comprises a bottom plate 1, a moving wheel 2 is arranged at the bottom of the bottom plate 1, a push rod 3 is arranged on the bottom plate 1, a base 4 is arranged on the bottom plate 1, a lifting seat 5 is slidably arranged on the base 4, a telescopic cylinder 51 is arranged between the base 4 and the lifting seat 5, a mixing box 6 is arranged on the lifting seat 5, a transmission box 7 is arranged on the outer side of the mixing box 6, a motor 8 is arranged at the top of the mixing box 6, the output end of the motor 8 is connected with a first bevel gear 9 positioned in the transmission box 7, the output end of the motor 8 is connected with a rotating shaft 10 positioned in the mixing box 6, a stirring blade 11 is arranged on the rotating shaft 10, a first rotating column 12 and a second rotating column 13 are arranged in the transmission box 7 in a right-angle rotation manner, the two ends of the first rotating column 12 are fixedly connected with second bevel gears 14, the two ends of the second rotating column 13 are fixedly connected with third bevel gears 15, one second bevel gear 14 is meshed and matched with the first bevel gear 9, the other second bevel gear 14 is meshed and matched with the third bevel gear 15, the other third bevel gear 15 is meshed and matched with a fourth bevel gear 16, a third rotating column 17 which is rotatably arranged in the transmission case 7 is fixedly arranged at the axial center position of the fourth bevel gear 16, a rotating vane 18 is fixedly arranged on the third rotating column 17, a water absorbing cavity 19 is isolated at the installation position of the rotating vane 18 by the transmission case 7, the water absorbing cavity 19 is communicated with the mixing case 6, a supporting seat 20 is arranged on the lifting seat 5, a placing cylinder 21 is arranged on the supporting seat 20, a locking screw 22 is arranged on the supporting seat 20, and a spraying part 23 is placed on the placing cylinder 21; the spraying part 23 comprises a main pipe 231, a plurality of spray pipes 232, a connecting piece 233 and a blocking piece 234, wherein the spray pipes 232 are provided with a plurality of spray heads 235, the main pipe 231 is in threaded connection with the spray pipes 232, the spray pipes 232 are in threaded connection with each other, the connecting piece 233 is in threaded connection with the main pipe 231, the blocking piece 234 is in threaded connection with the spray pipes 232, a water pipe is connected between the connecting piece 233 and the water suction cavity 19, and a manual butterfly valve is installed on the water pipe.
In the embodiment, when the high-quality hybrid rice cultivation aroma-enhancing cultivation fertilizing device is used, the device is moved to a use position conveniently by the cooperation of the push rod 3 and the moving wheel 2, the spraying part 23 is spliced until the length can cover the whole fertilizing area, the plugging piece 234 is arranged at the end part of the tail nozzle 232, then the main pipe 231 is inserted into the placing cylinder 21 in a mode that the nozzle 235 is downwards, the connecting piece 233 is arranged at the end part, the main pipe 231 is fixed by using the locking screw 22, and the connecting piece 233 and the water absorbing cavity 19 are connected by using the water pipe, so that the high-quality hybrid rice cultivation fertilizing device can be used; the fertilizer and the liquid mixed with the fertilizer are put into the mixing box 6 according to a proportion, the motor 8 is started to drive the stirring blade 11 to rotate, so that the fertilizer and the liquid are mixed, and meanwhile, under the mutual cooperation of the first rotating post 12, the second rotating post 13, the second helical gear 14, the third helical gear 15, the fourth helical gear 16 and the third rotating post 17, the rotating blade 18 also rotates, so that after a manual butterfly valve on a water pipe is opened, the liquid flows into the spray pipe 232 under the effect of the rotating blade 18, and is sprayed out from the spray nozzle 235 to carry out fertilization, and the aim of one machine for multiple purposes is achieved; during the spraying and fertilizing process, the lifting of the lifting seat 5 can be realized by controlling the operation of the telescopic cylinder 51, so that the purpose of adjusting the spraying range is achieved, the use effect is ensured, and the spraying pipes 232 can be mutually spliced in a connecting mode, so that the fertilizer application areas with different areas can be adapted, and the suitability is strong.
The lifting seat 5 is preferably provided with a placement box 52, so that sundries and spraying components can be placed conveniently, the overall appearance is good, and the size of the placement box 52 can be considered according to specific situations.
The lifting seat 5 is preferably in clearance fit with the base 4, so that the lifting seat 5 can be lifted smoothly, and in practice, the clearance fit size can be considered according to the specific situation.
Preferably, the specifications of the second bevel gear 14 and the third bevel gear 15 are the same, so that the replacement and maintenance of spare parts are facilitated, and in practice, the specifications of the second bevel gear 14 and the third bevel gear 15 can be selected according to specific situations.
The water absorbing cavity 19 is preferably made of transparent material, so that the running condition can be observed conveniently, and in practice, the material selection of the water absorbing cavity 19 can be considered according to specific conditions.
Preferably, the height of the support base 20 is adjustable, so that the spraying height is further adjusted to control the spraying area, and in practice, the selection of the support base 20 can be considered according to the specific situation.
The spray pipes 232 with various specifications are preferably selected, the spray pipes 232 with the same specification can be mutually spliced, and the design is convenient for adapting to different spraying intervals, so that the spray pipe is suitable for different fertilization occasions, and in fact, the specification customization of the spray pipes 232 can be considered according to specific conditions.
Preferably, the spray heads 235 are adjustable atomizing spray heads, and different fertilization modes are used according to requirements, and in fact, the selection of the spray heads 235 can be considered according to specific situations.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims of this invention, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the invention disclosed herein.
Claims (8)
1. The utility model provides a high-quality hybrid rice cultivates with flavouring cultivation fertilizer injection unit, includes bottom plate (1), its characterized in that: the utility model discloses a novel automatic transmission device for a motor vehicle, which comprises a base plate (1), wherein a movable wheel (2) is arranged at the bottom of the base plate (1), a push rod (3) is arranged at the bottom of the base plate (1), a base (4) is arranged at the bottom of the base plate (1), a lifting seat (5) is arranged at the base (4) in a sliding manner, a telescopic cylinder (51) is arranged between the base (4) and the lifting seat (5), a mixing box (6) is arranged at the lifting seat (5), a transmission box (7) is arranged at the outer side of the mixing box (6), a motor (8) is arranged at the top of the mixing box (6), the output end of the motor (8) is connected with a first bevel gear (9) which is arranged in the transmission box (7), the output end of the motor (8) is connected with a rotating shaft (10) which is arranged in the mixing box (6), the rotating shaft (10) is provided with a stirring blade (11), a first rotating column (12) and a second rotating column (13) which are arranged in a right angle rotation manner inside the transmission box (7), two ends of the first rotating column (12) are fixedly connected with a second bevel gear (14), two ends of the first bevel gear (13) are fixedly meshed with one of the second bevel gear (14), two ends of the second bevel gear (14) are fixedly meshed with the second bevel gear (14), the other third bevel gear (15) is meshed and matched with a fourth bevel gear (16), a third rotating column (17) which is rotatably installed in the transmission case (7) is fixedly installed at the axis position of the fourth bevel gear (16), a rotating vane (18) is fixedly installed on the third rotating column (17), a water suction cavity (19) is isolated from the transmission case (7) at the installation position of the rotating vane (18), the water suction cavity (19) is communicated with the mixing case (6), a supporting seat (20) is installed on the lifting seat (5), a placing cylinder (21) is arranged on the supporting seat (20), a locking screw (22) is arranged on the supporting seat (20), and a spraying component (23) is placed on the placing cylinder (21); spray part (23) is including being responsible for (231), a plurality of spray tube (232), connecting piece (233) and shutoff piece (234), spray tube (232) are equipped with a plurality of shower nozzles (235), be responsible for (231) with spray tube (232) threaded connection, a plurality of spray tube (232) each other threaded connection, connecting piece (233) with be responsible for (231) threaded connection, shutoff piece (234) with spray tube (232) threaded connection, connecting piece (233) with be connected with the water pipe between the water absorption chamber (19), the manual butterfly valve is installed to the water pipe.
2. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice according to claim 1, wherein: the lifting seat (5) is provided with a placement box (52).
3. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice according to claim 2, wherein: the lifting seat (5) is in clearance fit with the base (4).
4. A high-quality hybrid rice cultivation aroma-enhancing cultivation and fertilization apparatus according to claim 3, wherein: the second bevel gear (14) and the third bevel gear (15) have the same specification.
5. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice as claimed in claim 4, wherein: the water absorbing cavity (19) is made of transparent material.
6. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice as claimed in claim 5, wherein: the height of the supporting seat (20) is adjustable.
7. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice as claimed in claim 6, wherein: the spray pipes (232) are various in specification, and the spray pipes (232) with the same specification can be spliced with each other.
8. The aroma-enhancing cultivation and fertilizer-applying device for cultivating high-quality hybrid rice as claimed in claim 7, wherein: the spray head (235) is an adjustable atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773716.XA CN115299230B (en) | 2022-07-01 | 2022-07-01 | Aroma-enhancing cultivation fertilizer apparatus for cultivating high-quality hybrid rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210773716.XA CN115299230B (en) | 2022-07-01 | 2022-07-01 | Aroma-enhancing cultivation fertilizer apparatus for cultivating high-quality hybrid rice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115299230A CN115299230A (en) | 2022-11-08 |
| CN115299230B true CN115299230B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210773716.XA Active CN115299230B (en) | 2022-07-01 | 2022-07-01 | Aroma-enhancing cultivation fertilizer apparatus for cultivating high-quality hybrid rice |
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| Country | Link |
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| CN (1) | CN115299230B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115804287B (en) * | 2023-01-17 | 2023-05-02 | 山西农业大学高粱研究所(山西省农业科学院高粱研究所) | Multifunctional fertilizing equipment for sorghum planting |
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| EP0071573A3 (en) * | 1981-07-23 | 1984-02-22 | Elwyn P. Hilmer | High-clearance agricultural tractor with four-wheel steering |
| JP2015149942A (en) * | 2014-02-14 | 2015-08-24 | 井関農機株式会社 | seedling transplanting machine |
| CN106664931A (en) * | 2017-03-09 | 2017-05-17 | 朱华 | Efficient liquid fertilizer spraying device for orchards |
| CN110786118A (en) * | 2019-12-07 | 2020-02-14 | 徐州明九农业发展有限公司 | Fertilizer applicator capable of deeply fertilizing soil layer |
| CN211656871U (en) * | 2020-01-17 | 2020-10-13 | 汉中市农业科学研究所（陕西省水稻研究所） | Rice fertilizer injection unit |
| CN212677742U (en) * | 2020-05-04 | 2021-03-12 | 崔丽青 | Fertilizer injection unit is used to agricultural |
| WO2022094757A1 (en) * | 2020-11-03 | 2022-05-12 | 唐山圣因海洋科技有限公司 | Mini agricultural machinery irrigation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557573B2 (en) * | 2001-02-06 | 2003-05-06 | Pgi International, Ltd. | Liquid fertilizer distribution system and method |
-
2022
- 2022-07-01 CN CN202210773716.XA patent/CN115299230B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071573A3 (en) * | 1981-07-23 | 1984-02-22 | Elwyn P. Hilmer | High-clearance agricultural tractor with four-wheel steering |
| JP2015149942A (en) * | 2014-02-14 | 2015-08-24 | 井関農機株式会社 | seedling transplanting machine |
| CN106664931A (en) * | 2017-03-09 | 2017-05-17 | 朱华 | Efficient liquid fertilizer spraying device for orchards |
| CN110786118A (en) * | 2019-12-07 | 2020-02-14 | 徐州明九农业发展有限公司 | Fertilizer applicator capable of deeply fertilizing soil layer |
| CN211656871U (en) * | 2020-01-17 | 2020-10-13 | 汉中市农业科学研究所（陕西省水稻研究所） | Rice fertilizer injection unit |
| CN212677742U (en) * | 2020-05-04 | 2021-03-12 | 崔丽青 | Fertilizer injection unit is used to agricultural |
| WO2022094757A1 (en) * | 2020-11-03 | 2022-05-12 | 唐山圣因海洋科技有限公司 | Mini agricultural machinery irrigation device |
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| CN115299230A (en) | 2022-11-08 |
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