CN110537406A - Automatic fertilizing mechanism - Google Patents
Automatic fertilizing mechanism Download PDFInfo
- Publication number
- CN110537406A CN110537406A CN201810522636.0A CN201810522636A CN110537406A CN 110537406 A CN110537406 A CN 110537406A CN 201810522636 A CN201810522636 A CN 201810522636A CN 110537406 A CN110537406 A CN 110537406A
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- CN
- China
- Prior art keywords
- fertilizer
- side pipe
- connecting rod
- rod
- fertilization
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/16—Fertiliser distributors with means for pushing out the fertiliser, e.g. by a roller
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention discloses an automatic fertilizing mechanism which comprises a power rotating wheel, a driven rotating wheel, a frame, a fertilizer box, a fertilizing pipe and a piston rod, wherein the power rotating wheel is connected with the driven rotating wheel through a first connecting rod; the fertilizing tube is of a Y-shaped hollow structure and comprises a fertilizer dropping side tube and a fertilizing side tube; the frame is fixedly connected with a bracket, the bracket is provided with a slide rail, and a fertilizing side pipe of the fertilizing pipe penetrates through the middle side of the slide rail; the upper end opening of the fertilizer falling side pipe is connected with a fertilizer box; the piston rod is connected with the driven rotating wheel through a second connecting rod and a third connecting rod; 2-4 bulges are arranged on the piston rod, and pore channels are correspondingly arranged on the fertilization side pipe; the lower end of the piston rod is provided with a piston which is positioned below the pore channel. By the installation and the use of the invention, the fertilizer required by the growth of crops can be deeply buried in soil at one time, the fertilizer concentration at the roots of seedlings is increased, the fertilizer is effectively prevented from being easily washed away due to water and soil loss, and the labor intensity of workers for fertilizing is reduced.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to an automatic fertilizing mechanism.
Background
When rice seedlings such as rice are planted, reasonable fertilization plays a crucial role in increasing the yield and income of crops. In the prior art, the fertilization operation of a planted field is mainly realized by manual fertilizer spreading, the fertilizer is easily washed away due to water and soil loss when being spread on the ground surface, and the fertilizer utilization rate is low and the fertilization precision is poor due to less fertilizer acting on the roots of seedlings; meanwhile, the labor intensity of workers is greatly increased and the fertilization efficiency is reduced by the traditional fertilization operation.
Disclosure of Invention
aiming at the defects in the prior art, the invention aims to provide an automatic fertilizing mechanism which can deeply bury fertilizers required by crop growth into soil at one time, increase the fertilizer concentration at the root of seedlings, effectively prevent the fertilizers from being easily washed away due to water and soil loss, ensure higher fertilizer utilization rate and accurate fertilizing precision, reduce the labor intensity of workers and improve the fertilizing efficiency.
The technical scheme of the invention is as follows: an automatic fertilizing mechanism comprises a power rotating wheel, a driven rotating wheel, a frame, a fertilizer box, a fertilizing pipe and a piston rod; the power rotating wheel is movably connected with the frame, so that the frame can drive the power rotating wheel to rotate when moving horizontally; the power runner is connected with the driven runner through the first connecting rod, the distance from the intersection point of the first connecting rod and the power runner to the axis of the power runner is the same as the distance from the intersection point of the first connecting rod and the driven runner to the axis of the driven runner, and therefore the power runner can drive the driven runner to rotate through the first connecting rod.
The fertilizing tube is of a Y-shaped hollow structure and comprises a fertilizer dropping side tube and a fertilizing side tube. The frame is fixedly connected with the support, the support is provided with a slide rail, the slide rail is of an up-down through structure, a fertilization side pipe of the fertilization pipe penetrates through the middle side of the slide rail, the outer side of an upper end opening of the fertilization side pipe is provided with a skirt edge, and when the fertilization side pipe falls to a certain height, the skirt edge is clamped on the upper side of the slide rail and cannot continue to fall. Through the limiting effect of the slide rail, the fertilization side pipe can only move back and forth or up and down along the slide rail, and the upper end opening of the fertilization side pipe is positioned on the upper side of the slide rail.
The opening at the upper end of the fertilizer dropping side pipe is connected with a fertilizer box, and fertilizer in the fertilizer box can slide down to the fork of the fertilizer dropping side pipe and the fertilizer applying side pipe along the fertilizer dropping side pipe and then fall to the lower end of the fertilizer applying side pipe;
The piston rod is connected with the driven rotating wheel through a second connecting rod and a third connecting rod, the driven rotating wheel is connected with one end of the second connecting rod through a hinge point, the other end of the second connecting rod is connected with the third connecting rod through a hinge point, and the other end of the third connecting rod is connected with the piston rod through a hinge point; the third connecting rod is connected with the frame through a fulcrum, and the third connecting rod can rotate on a vertical plane around the fulcrum;
The inner diameter of the piston rod is smaller than that of the fertilization side pipe, and one end of the piston rod, which is far away from the third connecting rod, is inserted into an opening at the upper end of the fertilization side pipe; 2-4 bulges are arranged on the piston rod, pore channels are correspondingly arranged on the fertilization side pipe, each bulge is correspondingly inserted in one pore channel of the fertilization side pipe, and the bulges can slide up and down along the pore channels; the lower end of the piston rod is provided with a piston, the outer diameter of the piston is consistent with the inner diameter of the fertilization side pipe, and the piston is positioned below the pore channel;
The lower end of the fertilization side pipe is provided with a wedge-shaped cross section opening, the fertilization side pipe is provided with a fertilizer blocking part on the opening side of the wedge-shaped cross section, the fertilizer blocking part comprises a fertilizer blocking plate, a movable rod, a spring and a supporting rod, the fertilizer blocking plate is fixedly connected with the movable rod, and the area of the fertilizer blocking plate is equal to or slightly larger than the wedge-shaped cross section opening of the fertilizer falling side pipe, so that the fertilizer blocking plate can completely cover the wedge-shaped cross section opening; the movable rod is connected with the fertilizer falling side pipe through a spring, one end of the supporting rod is fixed on the outer side of the fertilizer falling side pipe, and the other end of the supporting rod is in contact with but not fixed with the movable rod.
When the power wheel is in work, the power wheel is a landing wheel, the outer circumference of the power wheel is in contact with the ground, a power device such as a tractor pulls the frame to move forwards, the power wheel can be driven to rotate through the movement of the frame, and the power wheel drives the driven wheel to rotate by utilizing the first connecting rod.
If the power rotating wheel rotates clockwise: when the hinge point of the second connecting rod and the driven rotating wheel is positioned at the lower point, the hinge point of the third connecting rod and the second connecting rod is positioned at the lowest point, the hinge point of the third connecting rod and the piston rod is positioned at the highest point, the bulge on the piston rod is positioned at the highest point of the pore passage, and the fertilization side pipe is positioned at the highest position through the support effect of the bulge.
when the intersection point of the second connecting rod and the driven rotating wheel moves clockwise to the upper point from the hinge point, the second connecting rod lifts the connecting end of the third connecting rod and the second connecting rod through the hinge point, the third connecting rod presses down the end far away from the second connecting rod around the intersection point, the piston rod is further pushed downwards, and the fertilization side pipe also synchronously descends under the action of gravity and friction force; when the skirt edge of the fertilization side pipe contacts the support, the fertilization side pipe does not descend any more and keeps the same height unchanged, the piston rod continues to descend independently, the protrusions on the piston rod can descend synchronously along the pore channels, and meanwhile, the piston moves downwards relative to the fertilization side pipe; when the piston reaches the fork of the fertilizer dropping side pipe and the fertilizer applying side pipe, the piston blocks the fertilizer and prevents the fertilizer from entering the fertilizer applying side pipe from the fertilizer dropping side pipe, and the piston drives the original fertilizer at the lower end of the fertilizer applying side pipe to descend; when the piston reaches the fertilizer blocking plate, the movable rod rotates around the support rod by pushing the fertilizer blocking plate downwards, the spring is compressed and elastically deformed, the fertilizer blocking plate is separated from the opening of the wedge-shaped section, and the fertilizer falls from the opening of the wedge-shaped section of the fertilizer application side pipe and is pressed and buried in soil.
then, when the hinge point of the second connecting rod and the driven rotating wheel continuously moves clockwise from the upper point to the lower point, the piston rod is continuously lifted upwards, the piston retracts into the fertilizing side pipe again, and the fertilizer blocking plate is closed again under the action of the elastic restoring force of the spring; after the piston is higher than the fork of the fertilizer side pipe and the fertilizer side pipe, the fertilizer continuously enters the lower end of the fertilizer side pipe through the fertilizer falling side pipe; after the bulge on the piston rod is positioned at the highest point of the pore channel, the fertilization side pipe is lifted upwards from the support position through the support effect of the bulge. Thereby, one cycle of the fertilizing movement is completed.
Similarly, the power runner can also rotate anticlockwise.
As optimization, the end, far away from the frame, of the support rod is provided with a round ball, and the movable rod can rotate around the round ball of the support rod more conveniently.
preferably, a rainwater protective sleeve is arranged at the joint of the fertilizer falling side pipe and the fertilizer box and can cover the opening at the upper end of the fertilizer falling side pipe, so that rainwater is prevented from entering the fertilizer applying pipe through the fertilizer falling side pipe to deliquesce the fertilizer during rainwater weather construction
As optimization, the two sides of the fertilizer blocking part are provided with the mud guards to prevent foreign matters such as rice straws, weeds and the like from being plugged into the fertilizer blocking part and ensure that the fertilizer blocking plate can be opened and closed smoothly.
the invention has the advantages that: the fertilizer application side pipe and the piston rod of the automatic fertilizer application mechanism can be used for deeply burying fertilizer required for crop growth into soil at one time, so that the fertilizer concentration at the root of seedlings is increased, the fertilizer is effectively prevented from being easily washed away due to water and soil loss, the fertilizer utilization rate is higher, the fertilizer application precision is accurate, the labor intensity of workers is reduced, and the fertilizer application efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a second strut in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural view of a third rain protection cover according to an embodiment of the present invention;
FIG. 4 is a schematic view of a structure of a four-fender according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings.
The first embodiment is as follows: an automatic fertilizing mechanism comprises a power rotating wheel 1, a driven rotating wheel 2, a frame 3, a fertilizer box 4, a fertilizing pipe 5 and a piston rod 6; the power rotating wheel 1 is movably connected with the frame 3, so that the frame 3 can drive the power rotating wheel 1 to rotate when moving horizontally; the power runner 1 and the driven runner 2 are connected through a first connecting rod 7, and the distance from the intersection point of the first connecting rod 7 and the power runner 1 to the axis of the power runner 1 is the same as the distance from the intersection point of the first connecting rod 7 and the driven runner 2 to the axis of the driven runner, so that the power runner 1 can drive the driven runner 2 to rotate through the first connecting rod 7.
The fertilizing tube 5 is a Y-shaped hollow structure and comprises a fertilizer dropping side tube 51 and a fertilizing side tube 52. The frame 3 is fixedly connected with a support 31, the support 31 is provided with a slide rail 311, the slide rail 311 is of a vertical through structure, a fertilization side pipe 52 of the fertilization pipe 5 penetrates through the middle side of the slide rail 311, the outer side of an opening at the upper end of the fertilization side pipe 52 is provided with a skirt 521, and when the fertilization side pipe 52 descends to a certain height, the skirt 521 is clamped at the upper side of the slide rail 311 and cannot descend any more. By the limiting function of the slide rail 311, the fertilization side tube 52 can only move back and forth or up and down along the slide rail 311, and the upper end opening of the fertilization side tube 52 is positioned at the upper side of the slide rail 311.
The opening at the upper end of the fertilizer dropping side pipe 51 is connected with the fertilizer box 4, and fertilizer in the fertilizer box can slide down to the fork of the fertilizer dropping side pipe 51 and the fertilizer applying side pipe 52 along the fertilizer dropping side pipe 51 and then fall to the lower end of the fertilizer applying side pipe 52;
The piston rod 6 is connected with the driven rotating wheel 2 through a second connecting rod 8 and a third connecting rod 9, the driven rotating wheel 2 is connected with one end of the second connecting rod 8 through a hinge point 200, the other end of the second connecting rod 8 is connected with the third connecting rod 9 through a hinge point 102, and the other end of the third connecting rod 9 is connected with the piston rod 6 through a hinge point 103; the third connecting rod 9 is connected with the frame 3 through a fulcrum 100, and the third connecting rod 9 can rotate on a vertical plane around the fulcrum 100;
The inner diameter of the piston rod 6 is smaller than that of the fertilization side pipe 52, and one end of the piston rod 6, which is far away from the third connecting rod 9, is inserted into an upper end opening of the fertilization side pipe 52; 2-4 protrusions 61 are arranged on the piston rod 6, the fertilization side pipe 52 is correspondingly provided with a hole 522, each protrusion 61 is correspondingly inserted into one hole 522 of the fertilization side pipe 52, and the protrusions 61 can slide up and down along the hole 522; the lower end of the piston rod 6 is provided with a piston 62, the outer diameter of the piston 62 is consistent with the inner diameter of the fertilization side pipe 52, and the piston 62 is positioned below the pore channel 522;
the lower end of the fertilization side pipe 52 is provided with a wedge-shaped cross section opening 523, the fertilization side pipe 52 is provided with a fertilizer blocking part 11 at the side of the wedge-shaped cross section opening 523, the fertilizer blocking part 11 comprises a fertilizer blocking plate 111, a movable rod 112, a spring 113 and a supporting rod 114, the fertilizer blocking plate 111 is fixedly connected with the movable rod 112, the area of the fertilizer blocking plate 111 is equal to or slightly larger than the wedge-shaped cross section opening 523 of the fertilization side pipe 52, so that the fertilizer blocking plate 111 can completely cover the wedge-shaped cross section opening 523; the movable rod 112 is connected to the fertilizer dropping side pipe 52 through a spring 113, one end of the supporting rod 114 is fixed to the outside of the fertilizer dropping side pipe 52, and the other end of the supporting rod 114 is in contact with but not fixed to the movable rod 114.
When the power wheel device works, the power wheel 1 is a landing wheel, the outer circumference of the power wheel 1 is in contact with the ground, a power device such as a tractor pulls the frame 3 to move forwards, the power wheel 1 can be driven to rotate through the movement of the frame 3, and the power wheel 1 drives the driven wheel 5 to rotate by utilizing the first connecting rod 7.
if the power rotating wheel rotates clockwise: when the hinge point 200 of the second connecting rod 8 and the driven rotating wheel 2 is located at the lower point 201, the hinge point of the third connecting rod 9 and the second connecting rod 2 is located at the lowest point, the hinge point 103 of the third connecting rod 9 and the piston rod 6 is located at the highest point, the protrusion 61 on the piston rod 6 is located at the highest point of the pore passage 522, and the fertilization side tube 52 is located at the highest position through the supporting effect of the protrusion 61.
When the hinge point 200 of the second connecting rod 8 and the driven rotating wheel 2 moves clockwise from the lower point to the upper point 203, the second connecting rod 8 lifts the connecting end of the third connecting rod 9 and the second connecting rod 8 through the hinge point, the third connecting rod 9 presses down the end far away from the second connecting rod 8 around the intersection point 100, the piston rod 6 is further pushed downwards, and the fertilization side pipe 52 also synchronously descends under the action of gravity and friction force; when the skirt 521 of the fertilization side tube 52 contacts the bracket 31, the fertilization side tube 52 does not descend any more and keeps the same height, the piston rod 6 alone continues to descend, and the protrusion 61 on the piston rod 6 can descend along the hole 522 synchronously, and meanwhile, the piston 62 displaces downwards relative to the fertilization side tube 52; when the piston 62 reaches the fork of the fertilizer dropping side pipe 51 and the fertilizer applying side pipe 52, the piston 62 blocks the fertilizer from entering the fertilizer applying side pipe 52 from the fertilizer dropping side pipe 51, and the piston 62 drives the original fertilizer at the lower end of the fertilizer applying side pipe 52 to descend; when the piston 62 reaches the fertilizer blocking plate 111, the movable rod 112 rotates around the supporting rod 114 by pushing the fertilizer blocking plate 111 downward, the spring 113 is compressed and elastically deformed, the fertilizer blocking plate 111 is separated from the wedge-shaped section opening 523, and the fertilizer falls from the wedge-shaped section opening 523 of the fertilizing side pipe 52 and is buried in the soil.
After that, when the hinge point 200 of the second connecting rod 8 and the driven rotating wheel 2 continues to move clockwise from the upper point 203 to the lower point 201, the piston rod 6 is continuously lifted upwards, the piston 62 retracts into the fertilizing side pipe 52 again, and the fertilizer blocking plate 111 is closed again under the action of the elastic restoring force of the spring 113; after the piston 62 is higher than the fork of the fertilizer falling side pipe 51 and the fertilizer applying side pipe 52, the fertilizer continues to enter the lower end of the fertilizer applying side pipe 52 through the fertilizer falling side pipe 51; after the protrusion 61 on the piston rod 6 is located at the highest point of the hole 522, the fertilization side tube 52 is lifted upwards from the support rack 31 through the supporting effect of the protrusion 61. Thereby, one cycle of the fertilizing movement is completed.
example two: the basic structure is the same as that of the first embodiment, and the differences are as follows: the ball 115 is disposed at the end of the support rod 114 away from the frame, and the movable rod 112 can rotate around the ball 115 of the support rod 114.
Example three: the basic structure is the same as that of the first embodiment, and the differences are as follows: the joint of the fertilizer falling side pipe 51 and the fertilizer box 4 is provided with a rainwater protective sleeve 41, and the rainwater protective sleeve 41 can cover the opening at the upper end of the fertilizer falling side pipe 51, so that rainwater is prevented from entering the fertilizer applying pipe through the fertilizer falling side pipe 51 to deliquesce the fertilizer during rainwater weather construction.
Example four: the basic structure is the same as that of the first embodiment, and the differences are as follows: the two sides of the fertilizer blocking part 11 are provided with the mud guards 116 to prevent foreign matters such as rice straws, weeds and the like from being plugged into the fertilizer blocking part 11, and to ensure that the fertilizer blocking plate 111 can be smoothly opened and closed.
Claims (4)
1. The utility model provides an automatic fertilizing mechanism which characterized in that: comprises a power rotating wheel, a driven rotating wheel, a frame, a fertilizer box, a fertilizer application pipe and a piston rod; the power rotating wheel is movably connected with the frame, and the power rotating wheel is connected with the driven rotating wheel through a first connecting rod; the fertilizing tube is of a Y-shaped hollow structure and comprises a fertilizer dropping side tube and a fertilizing side tube; the frame is fixedly connected with a support, a slide rail is arranged on the support, the slide rail is of an up-and-down through structure, a fertilization side pipe of the fertilization pipe penetrates through the middle side of the slide rail, and a skirt edge is arranged on the outer side of an opening at the upper end of the fertilization side pipe; the upper end opening of the fertilizer falling side pipe is connected with a fertilizer box; the piston rod is connected with the driven rotating wheel through a second connecting rod and a third connecting rod, the driven rotating wheel is connected with one end of the second connecting rod through a hinge point, the other end of the second connecting rod is connected with the third connecting rod through a hinge point, and the other end of the third connecting rod is connected with the piston rod through a hinge point; the third connecting rod is connected with the frame through a fulcrum; the inner diameter of the piston rod is smaller than that of the fertilization side pipe, and one end of the piston rod, which is far away from the third connecting rod, is inserted into an opening at the upper end of the fertilization side pipe; 2-4 bulges are arranged on the piston rod, pore channels are correspondingly arranged on the fertilization side pipe, each bulge is correspondingly inserted in one pore channel of the fertilization side pipe, and the bulges can slide up and down along the pore channels; the lower end of the piston rod is provided with a piston, the outer diameter of the piston is consistent with the inner diameter of the fertilization side pipe, and the piston is positioned below the pore channel; the lower end of the fertilization side pipe is provided with a wedge-shaped cross section opening, the fertilization side pipe is provided with a fertilizer blocking part on the opening side of the wedge-shaped cross section, the fertilizer blocking part comprises a fertilizer blocking plate, a movable rod, a spring and a supporting rod, the fertilizer blocking plate is fixedly connected with the movable rod, and the area of the fertilizer blocking plate is equal to or slightly larger than the wedge-shaped cross section opening of the fertilizer falling side pipe; the movable rod is connected with the fertilizer falling side pipe through a spring, one end of the supporting rod is fixed on the outer side of the fertilizer falling side pipe, and the other end of the supporting rod is in contact with but not fixed with the movable rod.
2. The automatic fertilizer application mechanism of claim 1, wherein: the end of the support rod far away from the frame is provided with a ball.
3. The automatic fertilizer application mechanism of claim 1, wherein: the joint of the fertilizer falling side pipe and the fertilizer box is provided with a rainwater protective sleeve which can cover the opening at the upper end of the fertilizer falling side pipe.
4. The automatic fertilizer application mechanism of claim 1, wherein: two sides of the fertilizer blocking part are provided with mud guards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522636.0A CN110537406A (en) | 2018-05-28 | 2018-05-28 | Automatic fertilizing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810522636.0A CN110537406A (en) | 2018-05-28 | 2018-05-28 | Automatic fertilizing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110537406A true CN110537406A (en) | 2019-12-06 |
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ID=68701122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810522636.0A Pending CN110537406A (en) | 2018-05-28 | 2018-05-28 | Automatic fertilizing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110537406A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115250698A (en) * | 2022-08-29 | 2022-11-01 | 黑龙江省世纪云天国际贸易有限公司 | Synchronous side deep fertilizing mechanism for rice mechanical transplanting and fertilizing method thereof |
| CN117678385A (en) * | 2024-02-02 | 2024-03-12 | 安徽农业大学 | Agricultural multi-terrain fertilization equipment |
-
2018
- 2018-05-28 CN CN201810522636.0A patent/CN110537406A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115250698A (en) * | 2022-08-29 | 2022-11-01 | 黑龙江省世纪云天国际贸易有限公司 | Synchronous side deep fertilizing mechanism for rice mechanical transplanting and fertilizing method thereof |
| CN115250698B (en) * | 2022-08-29 | 2023-03-10 | 黑龙江省世纪云天国际贸易有限公司 | Synchronous side deep fertilizing mechanism for rice machine seedling transplanting and fertilizing method thereof |
| CN117678385A (en) * | 2024-02-02 | 2024-03-12 | 安徽农业大学 | Agricultural multi-terrain fertilization equipment |
| CN117678385B (en) * | 2024-02-02 | 2024-04-12 | 安徽农业大学 | Agricultural multi-terrain fertilization equipment |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191206 |