CN110892861A - A deep fertilizer injection unit for organic rice root - Google Patents
A deep fertilizer injection unit for organic rice root Download PDFInfo
- Publication number
- CN110892861A CN110892861A CN201911228955.1A CN201911228955A CN110892861A CN 110892861 A CN110892861 A CN 110892861A CN 201911228955 A CN201911228955 A CN 201911228955A CN 110892861 A CN110892861 A CN 110892861A
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- pin
- electromagnetic valve
- inner cavity
- upper plate
- contact pin
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- 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
- A01G29/00—Root feeders; Injecting fertilisers into the roots
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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
- A01C23/02—Special arrangements for delivering the liquid directly into the soil
- A01C23/023—Special arrangements for delivering the liquid directly into the soil for liquid or gas fertilisers
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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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses a deep fertilization device for organic rice roots, which comprises a group of front support frames and rear support frames, wherein the front support frames and the rear support frames form a rectangle, the top end of the rectangle is fixed through a top frame surrounding the front support frames and the rear support frames, the inner sides of the bottoms of the front support frames and the rear support frames are fixed with support plates, the bottom ends of the front support frames and the rear support frames are movably connected with pulleys, a first electromagnetic valve is opened under the control of an electric control, a second electromagnetic valve is closed, the pressure of an inner cavity above the upper plate is increased to push the upper plate to descend, side holes of the first contact pins and the second contact pins are immersed in liquid fertilizer, the first contact pins and the second contact pins descend to the lowest positions, the liquid fertilizer flows into the first contact pins and the second contact pins from the side holes, the needle port ends of the first contact pins and the second contact pins are inserted beside the rice roots along soil, the box body conveys liquid fertilizer to the lower inner cavity of the outer cover, and the fertilizer is applied by moving to the next position, so that the fertilizer can be applied continuously.
Description
Technical Field
The invention relates to a rice deep layer fertilizing device, in particular to a deep layer fertilizing device for organic rice roots.
Background
Rice is a cereal crop of the genus Oryza, and the representative species is rice (academic name: Oryza sativa L). The rice is originally produced in China and India, the rice is planted by precedents in Yangtze river basin of China seven thousand years ago, the history of rice cultivation can be traced back to the Hunan of China 12000-16000 years ago about the Yuyuan, in 1993, the earliest ancient cultivated rice in the world is found by the United states of China and archaeology in Yubufo rock in the county, 12320 +/-1200-14810 +/-230 years, after the rice is planted in China, the rice is gradually spread to India western after being planted, the European south China is introduced in the middle century, in agricultural planting, in order to increase production and income, the fertilizer is usually required to be applied, but as part of the fertilizer is volatile, if the fertilizer is directly applied to the soil surface, the effective utilization rate of crops to the fertilizer is reduced due to volatilization of the fertilizer, the fertilizer economy of fertilizer application is not beneficial to improvement, the fertilizer area demand per unit is reduced, and the fertilizer expenditure cost is reduced.
Disclosure of Invention
The invention aims to provide a deep layer fertilizing device for organic rice roots, which has the advantages that a first contact pin and a second contact pin are inserted into the rice roots to carry out deep layer fertilization.
In order to achieve the purpose, the invention provides the following technical scheme: a deep layer fertilizing device for organic rice roots comprises a group of front supporting frames and rear supporting frames, wherein the front supporting frames and the rear supporting frames form a rectangle, the top ends of the rectangle are fixed through top frames surrounding the front supporting frames and the rear supporting frames, supporting plates are fixed on the inner sides of the bottoms of the front supporting frames and the rear supporting frames, and pulleys are movably connected to the bottom ends of the front supporting frames and the rear supporting frames;
the inner wall of the top frame is provided with a motor, a motor shaft of the motor is connected with one end of a driving shaft through a shaft key, the other end of the driving shaft is inserted into an inner wall bearing of the top frame, the outer wall of the driving shaft is provided with threads, an outer cylinder of which two ends are respectively connected with the inner wall of the top frame is sleeved outside the outer cylinder, the bottom of the outer cylinder is provided with a strip-shaped groove communicated with the inner cavity of the outer cylinder along the length direction, the outside of the driving shaft is meshed with a plurality of lantern rings through the threads, the lantern rings are arranged in the guide cylinders, guide rods penetrating through the strip-shaped grooves are fixed at the bottoms of;
the interior of the shell is respectively provided with a first electromagnetic valve, a second electromagnetic valve and an air pump, the bottom end of the shell is fixedly provided with a fertilizing mechanism, a pipeline connected with an inlet of the air pump extends to the exterior of the shell, a pipeline connected with an outlet of the air pump is respectively connected with the first electromagnetic valve and the second electromagnetic valve through a three-way pipe, the other ends of the first electromagnetic valve and the second electromagnetic valve are respectively connected with a first pneumatic pipe and a second pneumatic pipe, and the first electromagnetic valve and the second electromagnetic valve are controlled to select the opening and closing of the first electromagnetic valve and the second;
the fertilizing mechanism comprises an outer cover, an upper plate, a lower plate, a first guide cylinder, a second guide cylinder, a first contact pin and a second contact pin, wherein the bottom surface of the outer cover is connected with the shell, the first guide cylinder and the second guide cylinder are symmetrically fixed at the bottom of the shell, a partition plate is fixed in the middle of the outer cover and divides the outer cover into an upper inner cavity and a lower inner cavity, the upper plate and the lower plate are respectively arranged in the upper inner cavity and the lower inner cavity, an intermediate rod penetrating through the partition plate is connected between the upper plate and the lower plate, and the intermediate rod is in sliding connection with the partition plate and keeps sealed;
the first guide cylinder and the second guide cylinder are inserted into the corresponding first contact pin and the second contact pin, and the top ends of the first contact pin and the second contact pin are fixed on the lower surface of the lower plate;
the pipe orifices of the first pneumatic pipe and the second pneumatic pipe extend into the upper inner cavity and are positioned at the upper side and the lower side of the upper plate;
the supporting plate is provided with a box body, a pipeline connected with the box body extends to the lower inner cavity along the partition plate, and an outlet of a pipe orifice of the box body is arranged below the lower plate.
Furthermore, liquid fertilizer is stored in the lower inner cavity below the lower plate, and the box body is also stored with the liquid fertilizer.
Furthermore, the first contact pin and the second contact pin are arranged on the side wall of the lower inner cavity, side holes communicated with the pin holes are formed in the side wall, and liquid fertilizer stored in the outer cover flows into the first contact pin and the second contact pin along the side holes when the first contact pin and the second contact pin descend.
Furthermore, the first pin and the second pin are lowered to the lowest position, and the needle opening ends of the first pin and the second pin are inserted into the rice near the root along the soil.
Further, the first air pressure pipe is driven by the air pump, the first electromagnetic valve is opened under the electric control, the second electromagnetic valve is closed, the pressure of the inner cavity above the upper plate is increased to push the upper plate to descend, the second electromagnetic valve is opened under the electric control, the first electromagnetic valve is closed, and the pressure of the inner cavity below the upper plate is increased to push the upper plate to ascend.
Compared with the prior art, the invention has the beneficial effects that:
this a deep fertilizer injection unit for organic rice root, first solenoid valve is opened by the automatically controlled, the second solenoid valve is closed, the inner chamber pressure increase of upper plate top promotes the upper plate and descends, first contact pin and second contact pin descend, the side opening of the first contact pin of hypoplastron decline and second contact pin is in the liquid manure, first contact pin and second contact pin descend to the minimum, liquid manure flows in first contact pin and second contact pin from the side opening, its needle mouth end inserts on one side along soil rice root, accomplish the fertilization, the second solenoid valve is opened by the automatically controlled, first solenoid valve is closed, the inner chamber pressure increase of upper plate below promotes the upper plate and rises, drive first contact pin and second contact pin and rise, the box is to carrying liquid manure in the lower inner chamber of dustcoat, mobile device fertilizes to next position, let it can be continuous fertilize.
Drawings
FIG. 1 is an overall elevational view of the present invention;
FIG. 2 is an overall side view of the present invention;
FIG. 3 is a view of the drive shaft and collar engagement of the present invention;
FIG. 4 is an elevated view of the pallet of the present invention with internal cross-sections;
fig. 5 is a view showing a descending view of the pallet with an internal cross section according to the present invention.
In the figure: 1. a front support frame; 2. a rear support frame; 3. a top frame; 31. a motor; 311. a drive shaft; 4. A support plate; 41. a box body; 5. a pulley; 6. an outer cylinder; 61. a strip-shaped groove; 7. a collar; 71. a guide bar; 8. a housing; 81. a first solenoid valve; 811. a first pneumatic tube; 82. a second solenoid valve; 821. a second pneumatic tube; 83. an air pump; 9. a fertilizing mechanism; 91. a housing; 911. a partition plate; 92. an upper plate; 93. A lower plate; 94. a first guide cylinder; 95. a second guide cylinder; 96. a first pin; 97. a second pin; 10. an intermediate lever.
Detailed Description
The technical scheme in the embodiment of the invention will be made clear below by combining the attached drawings in the embodiment of the invention; fully described, it is to be understood that the described embodiments are merely exemplary of some, but not all, embodiments of the invention and that all other embodiments, which can be derived by one of ordinary skill in the art based on the described embodiments without inventive faculty, are within the scope of the invention.
Referring to fig. 1, a deep layer fertilizer apparatus for organic rice roots, comprising a set of front support frame 1 and rear support frame 2, the front support frame 1 and rear support frame 2 form a rectangle, each of the front support frame 1 and rear support frame 2 is two, the top end of the rectangle is fixed by a top frame 3 surrounding the front support frame 1 and rear support frame 2, the top frame 3 fixes the top of the front support frame 1 and rear support frame 2, a support plate 4 is fixed at the inner side of the bottom of the front support frame 1 and rear support frame 2, the support plate 4 completes the bottom fixing of the front support frame 1 and rear support frame 2, the bottom ends of the front support frame 1 and rear support frame 2 are movably connected with a pulley 5, and the arrangement of the pulley 5 allows the fertilizer apparatus to be conveniently moved.
Referring to fig. 2-3, a motor 31 is installed on the inner wall of the top frame 3, a motor shaft of the motor 31 is connected with one end of a driving shaft 311 through a shaft key, the motor 31 drives the driving shaft 311 to rotate synchronously, the other end of the driving shaft 311 is inserted into an inner wall bearing of the top frame 3, both ends of the driving shaft 311 are limited but do not influence the rotation, a thread is processed on the outer wall of the driving shaft 311, an outer cylinder 6 with both ends respectively connected with the inner wall of the top frame 3 is sleeved on the outer wall of the driving shaft 311, a strip-shaped groove 61 communicated with the inner cavity of the outer cylinder 6 is processed at the bottom of the outer cylinder 6 along the length direction, a plurality of lantern rings 7 are engaged with the outer part of the driving shaft 311 through the thread, the lantern rings 7 are arranged in the outer cylinder 6, a guide rod 71 penetrating through the strip-shaped groove 61 is fixed at the bottom of the outer cylinder, the, the housing 8 is also moved, and the movement of the housing 8 in the X-axis direction is controlled by the motor 31, and the entire movement is performed on a plane in cooperation with the use of the pulley 5.
Referring to fig. 4-5, a first electromagnetic valve 81, a second electromagnetic valve 82 and an air pump 83 are respectively installed inside the housing 8, the bottom end of the housing 8 is fixed with the fertilizing mechanism 9, a pipeline connected to an inlet of the air pump 83 extends to the outside of the housing 8, a pipeline connected to an outlet of the air pump 83 is respectively connected to the first electromagnetic valve 81 and the second electromagnetic valve 82 through a three-way pipe, the other ends of the first electromagnetic valve 81 and the second electromagnetic valve 82 are respectively connected to a first air pressure pipe 811 and a second air pressure pipe 821, the first electromagnetic valve 81 and the second electromagnetic valve 82 are controlled to selectively open and close, the air pump 83 pumps air from the outside of the housing 8, the air pump 83 ventilates the first electromagnetic valve 81 and the second electromagnetic valve 82, and the first air pressure pipe 811 and the second air pressure pipe 821 can be controlled;
the fertilizing mechanism 9 comprises an outer cover 91, an upper plate 92, a lower plate 93, a first guide cylinder 94, a second guide cylinder 95, a first contact pin 96 and a second contact pin 97, the bottom surface of the outer cover 91 is connected with the shell 8, the outer cover 91 and the shell 8 move synchronously, the first guide cylinder 94 and the second guide cylinder 95 are symmetrically fixed at the bottom of the shell 8, a partition 911 is fixed in the middle of the outer cover 91, the outer cover 91 is divided into an upper inner cavity and a lower inner cavity by the partition 911, the upper plate 92 and the lower plate 93 are respectively arranged in the upper inner cavity and the lower inner cavity, an intermediate rod 10 penetrating through the partition 911 is connected between the upper plate 92 and the lower plate 93, the intermediate rod 10 is in sliding connection with the partition 911 and keeps sealed, and the intermediate rod 10 slides on the partition; the first guide cylinder 94 and the second guide cylinder 95 are inserted into the corresponding first pin 96 and second pin 97, the top ends of the first pin 96 and second pin 97 are fixed on the lower surface of the lower plate 93, the lower plate 93 is lifted or lowered while driving the first pin 96 and second pin 97 to ascend or descend, the first pin 96 and second pin 97 are arranged on the side wall of the lower inner cavity to be processed with side holes communicated with the pin holes, liquid fertilizer stored in the outer cover 91 flows into the first pin 96 and second pin 97 along the side holes when the first pin 96 and second pin 97 descend, the first pin 96 and second pin 97 descend to the lowest position, and the pin ports are inserted into the rice roots along soil; the orifices of the first pneumatic tube 811 and the second pneumatic tube 821 extend into the upper cavity and are positioned at the upper side and the lower side of the upper plate 92, the first pneumatic tube 811 is driven by the air pump 83, the first electromagnetic valve 81 is opened under the electric control, the second electromagnetic valve 82 is closed, the pressure increase of the cavity above the upper plate 92 pushes the upper plate 92 to descend, the second electromagnetic valve 82 is opened under the electric control, the first electromagnetic valve 81 is closed, and the pressure increase of the cavity below the upper plate 92 pushes the upper plate 92 to ascend; the box body 41 is arranged on the supporting plate 4, liquid fertilizer is stored in the lower inner cavity below the lower plate 93, the liquid fertilizer is also stored in the box body 41, a pipeline connected to the box body 41 extends to the lower inner cavity along the partition board 911, the outlet of the pipe orifice of the box body 41 is arranged below the lower plate 93, and the box body 41 conveys the liquid fertilizer into the lower inner cavity of the outer cover 91, so that the liquid fertilizer can be continuously applied.
The working principle is as follows: the first air pressure pipe 811 is driven by the air pump 83, the first electromagnetic valve 81 is opened under the electric control, the second electromagnetic valve 82 is closed, the pressure intensity of the inner cavity above the upper plate 92 increases to push the upper plate 92 to descend, the upper plate 92 drives the first contact pin 96 and the second contact pin 97 to descend, the lower plate 93 descends until the side holes of the first contact pin 96 and the second contact pin 97 are immersed in the liquid fertilizer, the lower plate 93 continues to descend, the first contact pin 96 and the second contact pin 97 descend to the lowest position, the liquid fertilizer flows into the first contact pin 96 and the second contact pin 97 from the side holes, the needle port end of the liquid fertilizer is inserted beside the root of the rice along the soil to finish fertilizing, the second electromagnetic valve 82 is opened under the electric control, the first electromagnetic valve 81 is closed, the pressure intensity of the inner cavity below the upper plate 92 increases to push the upper plate 92 to ascend to drive the first contact pin 96 and the second contact pin 97 to ascend, the box body 41 conveys the liquid, so that the fertilizer can be continuously applied.
In conclusion, in the deep layer fertilizing device for organic rice roots, the first electromagnetic valve 81 is opened under the electric control, the second electromagnetic valve 82 is closed, the pressure of the inner cavity above the upper plate 92 is increased to push the upper plate 92 to descend, the first contact pin 96 and the second contact pin 97 descend, the lower plate 93 descends to the side holes of the first contact pin 96 and the second contact pin 97 to be immersed in liquid fertilizer, the first contact pin 96 and the second contact pin 97 descend to the lowest position, the liquid fertilizer flows into the first contact pin 96 and the second contact pin 97 from the side holes, the needle opening end of the fertilizer applying device is inserted into one side of the root of rice along soil to complete fertilizer application, the second electromagnetic valve 82 is opened under the electric control, the first electromagnetic valve 81 is closed, the pressure intensity of the inner cavity below the upper plate 92 is increased to push the upper plate 92 to ascend, the first contact pin 96 and the second contact pin 97 are driven to ascend, the box body 41 conveys liquid fertilizer into the lower inner cavity of the outer cover 91, and the moving device applies fertilizer to the next position to enable the box body to continuously apply fertilizer.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A deep layer fertilizing device for organic rice roots is characterized by comprising a group of front supporting frames (1) and rear supporting frames (2), wherein the front supporting frames (1) and the rear supporting frames (2) form a rectangle, the top ends of the rectangle are fixed through top frames (3) surrounding the front supporting frames (1) and the rear supporting frames (2), supporting plates (4) are fixed on the inner sides of the bottoms of the front supporting frames (1) and the rear supporting frames (2), and pulleys (5) are movably connected to the bottom ends of the front supporting frames (1) and the rear supporting frames (2);
the inner wall of the top frame (3) is provided with a motor (31), a motor shaft of the motor (31) is connected with one end of a driving shaft (311) through a shaft key, the other end of the driving shaft (311) is inserted into an inner wall bearing of the top frame (3), threads are machined on the outer wall of the driving shaft (311), an outer barrel (6) with two ends respectively connected with the inner wall of the top frame (3) is sleeved outside the outer barrel, a strip-shaped groove (61) communicated with the inner cavity of the outer barrel is machined at the bottom of the outer barrel (6) along the length direction, the outside of the driving shaft (311) is meshed with a plurality of lantern rings (7) through the threads, the lantern rings (7) are arranged in the outer barrel (6), a guide rod (71) penetrating through the strip-shaped groove (61) is fixed at the bottom of the outer barrel;
a first electromagnetic valve (81), a second electromagnetic valve (82) and an air pump (81) are respectively installed inside the shell (8), a fertilizing mechanism (9) is fixed at the bottom end of the shell (8), a pipeline connected with an inlet of the air pump (81) extends to the outside of the shell (8), a pipeline connected with an outlet of the air pump (81) is respectively connected with the first electromagnetic valve (81) and the second electromagnetic valve (82) through a three-way pipe, the other ends of the first electromagnetic valve (81) and the second electromagnetic valve (82) are respectively connected with a first air pressure pipe (811) and a second air pressure pipe (821), and the first electromagnetic valve (81) and the second electromagnetic valve (82) are controlled to select the opening and closing of the first electromagnetic valve (81) and the second;
the fertilizer applying mechanism (9) comprises an outer cover (91), an upper plate (92), a lower plate (93), a first guide cylinder (94), a second guide cylinder (95), a first contact pin (96) and a second contact pin (97), the bottom surface of the outer cover (91) is connected with the shell (8), the first guide cylinder (94) and the second guide cylinder (95) are symmetrically fixed at the bottom of the shell (8), a partition board (911) is fixed in the middle of the outer cover (91), the partition board (911) divides the outer cover (91) into an upper inner cavity and a lower inner cavity, the upper plate (92) and the lower plate (93) are respectively arranged in the upper inner cavity and the lower inner cavity, an intermediate rod (10) penetrating through the partition board (911) is connected between the upper plate (92) and the lower plate (93), and the intermediate rod (10) is in sliding connection with the partition board (911) and keeps sealing;
the first guide cylinder (94) and the second guide cylinder (95) are inserted into the corresponding first contact pin (96) and second contact pin (97), and the top ends of the first contact pin (96) and the second contact pin (97) are fixed on the lower surface of the lower plate (93);
the pipe orifices of the first pneumatic pipe (811) and the second pneumatic pipe (821) extend into the upper inner cavity and are positioned at the upper side and the lower side of the upper plate (92);
a box body (41) is arranged on the supporting plate (4), a pipeline connected to the box body (41) extends to the lower inner cavity along the partition plate (911), and a pipe orifice outlet of the box body (41) is arranged below the lower plate (93).
2. The fertilizer apparatus for organic rice plants at its root as claimed in claim 1, wherein the lower chamber under the lower plate (93) holds liquid manure, and the tank (41) also holds liquid manure.
3. The fertilizer apparatus for organic rice plants at its root as claimed in claim 1, wherein the first pin (96) and the second pin (97) are disposed on the side wall of the lower chamber to form side holes communicating with the pin holes, and the liquid fertilizer stored in the outer cover (91) flows into the first pin (96) and the second pin (97) along the side holes when the first pin (96) and the second pin (97) descend.
4. The fertilizer apparatus as claimed in claim 1, wherein the first pin (96) and the second pin (97) are lowered to the lowest position and the tip ends thereof are inserted into the soil near the roots of the rice.
5. The deep fertilizing apparatus for organic rice roots as claimed in claim 1, wherein the first pneumatic pipe (811) is driven by the air pump (81), the first solenoid valve (81) is electrically controlled to open, the second solenoid valve (82) is closed, the increase of the pressure of the inner cavity above the upper plate (92) pushes the upper plate (92) to descend, the second solenoid valve (82) is electrically controlled to open, the first solenoid valve (81) is closed, and the increase of the pressure of the inner cavity below the upper plate (92) pushes the upper plate (92) to ascend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228955.1A CN110892861B (en) | 2019-12-04 | 2019-12-04 | A deep fertilizer injection unit for organic rice root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228955.1A CN110892861B (en) | 2019-12-04 | 2019-12-04 | A deep fertilizer injection unit for organic rice root |
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| Publication Number | Publication Date |
|---|---|
| CN110892861A true CN110892861A (en) | 2020-03-20 |
| CN110892861B CN110892861B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911228955.1A Active CN110892861B (en) | 2019-12-04 | 2019-12-04 | A deep fertilizer injection unit for organic rice root |
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| Country | Link |
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| CN (1) | CN110892861B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226768A (en) * | 2020-03-28 | 2020-06-05 | 长江大学 | Automatic water and fertilizer applying system for field |
| CN114667835A (en) * | 2022-03-15 | 2022-06-28 | 无为县白湖益民荸荠种植专业合作社 | Water chestnut is planted and is used fertilizer injection unit with automatic feeding mechanism |
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| CN106612856A (en) * | 2016-12-01 | 2017-05-10 | 东北农业大学 | Pneumatic zero-speed hole-pricking liquid fertilizer deep application mechanism |
| CN208095174U (en) * | 2017-03-17 | 2018-11-16 | 中国环境科学研究院 | A kind of fertilising spade |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114667835A (en) * | 2022-03-15 | 2022-06-28 | 无为县白湖益民荸荠种植专业合作社 | Water chestnut is planted and is used fertilizer injection unit with automatic feeding mechanism |
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| Publication number | Publication date |
|---|---|
| CN110892861B (en) | 2021-05-28 |
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