CN102550171A - Uniform wheat rolling sowing method and special rolling sowing machine - Google Patents
Uniform wheat rolling sowing method and special rolling sowing machine Download PDFInfo
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- CN102550171A CN102550171A CN2012100149939A CN201210014993A CN102550171A CN 102550171 A CN102550171 A CN 102550171A CN 2012100149939 A CN2012100149939 A CN 2012100149939A CN 201210014993 A CN201210014993 A CN 201210014993A CN 102550171 A CN102550171 A CN 102550171A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical fields of wheat sowing methods and special sowing machines, and in particular discloses a uniform wheat rolling sowing method and a special rolling sowing machine. According to the technical scheme, the method comprises the following steps of: spreading wheat seeds on the surface of a cultivated land in a strip mode, pressing the wheat seeds into the soil by adopting a rolling sowing wheel, covering the seeds with soil, and compacting the soil through a press roller. Therefore, the uniformity of the seeds is improved, and the depth of the seeds is consistent; the depth of the seeds is regulated according to the soil moisture content of the cultivated land, so that the seeds are prevented from being buried deeply and exposed, and the seeds are saved; and the seeds are tightly combined together with the soil in the pressing process, so that imbibition and germination of the seeds are facilitated.
Description
Technical field
The invention belongs to wheat cultivation method and special seeder technical field, particularly a grow wheat is evenly rolled broadcasting method and the machine of broadcasting is rolled in special use.
Background technology
At present, wheat cultivation mainly adopts dual mode: one of which, and water furrow planting adopts disk coulter or an animal-drawn seed plough pin, and wheat cultivation is inner to soil; There is following drawback in this mode: 1, goes ridge plantation, has line-spacing wide, and no spacing in the rows, more than the general 15cm of line-spacing, seed is expert to concentrate in the ditch and is crowded; Strive water and to strive fertile phenomenon serious, a little less than the growth of cereal crop seedlings, cause to yield poorly, 2, begin to sow after must putting in order ground; Plough that whole the soil loss of moisture is serious often, 3, operation is many, inefficiency; Cultivate the cost height, miss the farming season, reduce output, 4, lodging tolerance is poor; Its two, uniform broadcasting is sprinkling upon seed on the ground earlier; Through rotary blade seed is spun in the soil, though this method is simple, seed is three-dimensional and distributes in soil; Dark seed is arranged and reveal seed, the waste seed, more serious for the arable land seed waste of soil moisture content difference; And the bad control of seeding quantity, cause overall yield low.
Summary of the invention
First technical problem that the present invention solves just provide a kind of can evenly roll broadcast, sowing depth is consistent, performance resistant to lodging is strong, wheat yield is high wheat evenly rolls broadcasting method.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: wheat evenly rolls broadcasting method, and this method comprises the following steps:
The first step, pine is whole to plough
To plough and cause soil soft through farming;
In second step, sow seeds
The wheat seed bar shaped is sprinkling upon the surface of ploughing;
In the 3rd step, roll and broadcast
Wheat seed is pressed in the soil;
The 4th step, earthing
On seed, cover earthing;
The 5th step, the suppression compacting soil
Through pack roller with soil compaction.
Its additional technical feature is:
The line-spacing that wheat is sowed seeds is 3-6cm, and the wheat spacing in the rows is 3-6cm.
Second technical problem that the present invention solves just provides a kind of wheat of realizing above-mentioned type of seeding and evenly rolls and broadcast special use and roll the machine of broadcasting.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: comprise frame, plant case, feed shaft and Duo Gen grain conductor, keep at a certain distance away between the adjacent said grain conductor, said grain conductor lower end is near ground; Be provided with one at the back at each said grain conductor and roll and broadcast wheel, described rolling broadcast wheel and broadcast the axle serial connection through being fixed on rolling on the said frame, adjacent roll to broadcast between the wheel keep at a certain distance away; Broadcast the wheel rear and be provided with clean-up scraper said rolling, said rolling broadcast axle and is connected with described feed shaft through transmission mechanism.
Its additional technical feature is: the frame of described clean-up scraper back is provided with pack roller;
Interval 3-6cm between the adjacent said grain conductor, adjacent said rolling broadcast interval 3-6cm between the wheel;
Said grain conductor lower port is flat mouthful, and the width of said seed pressing wheel slightly is wider than the width of grain conductor lower port;
Said grain conductor is provided with first depth control mechanism, and described rolling broadcast axle and be provided with second depth control mechanism;
Be positioned at said rolling and broadcast rolling of a two ends and broadcast wheel and roll with described that to broadcast axle fixing, and other roll and broadcast wheel and broadcast on the axle rolling the axial limiting of broadcasting axle but be placed in described rolling free to rotately;
Be provided with rotary tillage mechanism in said grain conductor the place ahead;
Be provided with fertile case in the place ahead of said kind of case, said fertile case below is connected with fertilizer expelling shaft and fertilizer guiding tube, and the lower end of said fertilizer guiding tube is positioned at the place ahead of said rotary tillage mechanism.
Wheat provided by the present invention evenly rolls broadcasting method and compares with prior art and have the following advantages: one of which, because the wheat seed bar shaped is sprinkling upon the surface of ploughing, and adopts to roll and broadcast wheel load and go in the soil; On seed, cover earthing, pass through pack roller at last with soil compaction, like this; The uniformity of seed improves, and the degree of depth of seed is consistent, and regulates the degree of depth of seed according to the arable land soil moisture content; Avoided dark seed and revealed seed, practiced thrift seed, and seed has been in the process of pressing down; Be closely linked with soil, be beneficial to the seed imbibition, emerge; Its two because the line-spacing that broadcasts sowing of wheat is 3-6cm, the wheat spacing in the rows is 3-6cm, according to soil fertility, the situation of watering, confirms the line-spacing and the spacing in the rows of wheat, makes wheat reach even plantation, improves the output of wheat.
Wheat provided by the present invention evenly rolls to be broadcast special use and rolls the machine of broadcasting and compare with prior art and have the following advantages: one of which; Owing to comprise frame, plant case, feed shaft and Duo Gen grain conductor; Keep at a certain distance away between the adjacent said grain conductor, said grain conductor lower end is near ground; Be provided with one at the back at each said grain conductor and roll and broadcast wheel, described rolling broadcast wheel and broadcast the axle serial connection through being fixed on rolling on the said frame, adjacent roll to broadcast between the wheel keep at a certain distance away; Said roll broadcast the wheel rear be provided with clean-up scraper; Said rolling broadcast axle and is connected with described feed shaft through transmission mechanism, and wheat seed drops on the ground via kind of a case, feed shaft, grain conductor, broadcasts wheel seed is pressed in the soil through rolling then; Formation has the kind cunette of seed; Since adjacent roll to broadcast have distance between the wheel, so between adjacent kind of cunette, form the strip soil zone, be positioned at and roll the clean-up scraper of broadcasting the wheel rear a part of soil on the strip soil zone is scraped kind of a cunette; Make ground smooth, and the degree of depth of seed is even; Its two because the frame of described clean-up scraper back is provided with pack roller, the compacting table is native, is beneficial to wheat germination and preserving soil moisture; Its three because 3-6cm at interval between the adjacent said grain conductor, 3-6cm at interval between the adjacent said seed pressing wheel makes wheat cultivation more even, is beneficial to the raising yield of wheat; Its four because said grain conductor lower port is flat mouthful, the width of said seed pressing wheel slightly is wider than the width of grain conductor lower port, makes wheat roll and broadcasts evenly, and guarantee that all seeds are all rolled and broadcast wheel load to go into soil, prevents the seed waste; They are five years old; Because said grain conductor is provided with first depth control mechanism; Described rolling broadcast axle and is provided with second depth control mechanism, can regulate grain conductor and roll the depth of broadcasting axle according to needs such as weather, soil moisture contents, reaches the purpose of regulating sowing depth; They are six years old; Broadcast rolling of a two ends and broadcast wheel and roll with described that to broadcast axle fixing owing to be positioned at said rolling, and other roll and broadcast wheel and rolling the axial limiting of broadcasting axle but be placed on the described pressure kind axle free to rotately, have prevented in the process of walking; Because the foreign material such as weeds in the soil block seed pressing wheel; Cause the seed degree of depth inhomogeneous, also can cause whole seed pressing wheel to stop operating sometimes, the influence amount of sowing; Its seven owing to be provided with rotary tillage mechanism in said grain conductor the place ahead, after the results autumn crops, directly rotary tillage sowing once can be accomplished, and has reduced operation, has shortened man-hour, has improved operating efficiency, has reduced the farming cost; Its eight owing to be provided with fertile case in the place ahead of said kind of case, said fertile case below is connected with fertilizer expelling shaft and fertilizer guiding tube; The lower end of said fertilizer guiding tube is positioned at the place ahead of said rotary tillage mechanism; Can fertilizer directly be sprinkling upon Tanaka when farming is sowed, reduce labour intensity, improve operating efficiency.
Description of drawings
Fig. 1 broadcasts the structural representation that the machine of broadcasting is rolled in special use for wheat provided by the present invention evenly rolls;
Fig. 2 broadcasts the lateral plan that the machine of broadcasting is rolled in special use for wheat evenly rolls;
Fig. 3 rolls the back view of broadcasting wheel.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment wheat provided by the present invention is evenly rolled broadcasting method and do further detailed description with special-purpose structure of rolling the machine of broadcasting.
Wheat provided by the invention evenly rolls broadcasting method, and this method comprises the following steps:
The first step, pine is whole to plough
To plough and cause soil soft through farming;
In second step, sow seeds
The wheat seed bar shaped is sprinkling upon the surface of ploughing;
In the 3rd step, roll and broadcast
Wheat seed is pressed in the soil;
The 4th step, earthing
On seed, cover earthing;
The 5th step, the suppression compacting soil
Through pack roller with soil compaction.
The wheat seed bar shaped is sprinkling upon the surface of ploughing, and adopts to roll and broadcast wheel load and go in the soil, on seed, cover earthing, at last through pack roller with soil compaction; Like this, the uniformity of seed improves, and the degree of depth of seed is consistent; And according to the degree of depth that the arable land soil moisture content is regulated seed, avoided dark seed and revealed seed, practiced thrift seed; And seed is closely linked with soil in the process of pressing down, and is beneficial to the seed imbibition, emerges.
The line-spacing that wheat broadcasts sowing is preferably 3-6cm, and the wheat spacing in the rows is preferably 3-6cm, like this, according to soil fertility, the situation of watering, confirms the line-spacing and the spacing in the rows of wheat, makes wheat reach even plantation, improves the output of wheat.
Like Fig. 1, Fig. 2 and shown in Figure 3; This wheat evenly rolls to be broadcast special use and rolls the machine of broadcasting and comprise frame 1, plant case 2, feed shaft 3 and Duo Gen grain conductor 4, and the lower end of grain conductor 4 keeps at a certain distance away between the adjacent grain conductor 4 near ground; In the back of each grain conductor 4 correspondence be provided with one roll broadcast the wheel 5; Roll and broadcast wheel 5 and broadcast axle 6 serial connections through rolling, roll broadcast axle 6 through bearing fixing on frame 1, adjacent rolling broadcast wheel and kept at a certain distance away between 5.Broadcast wheel 5 rear and be provided with clean-up scraper 7 rolling.Roll and broadcast axle 6 and be connected with feed shaft 3 through transmission mechanism 11.In traveling process, roll and broadcast wheel 5 and drive to roll and broadcast axle 6 and rotate, rotate thereby drive feed shaft 3; Wheat seed drops on the ground via kind of case 2, feed shaft 3, grain conductor 4; Broadcast wheel 5 seed is pressed in the soil through rolling then, form the kind cunette that has seed, owing to have distance between the adjacent seed pressing wheel 5; So between adjacent kind of cunette, form the strip soil zone; Be positioned at roll broadcast the wheel 5 rears clean-up scraper 7 a part of soil on the strip soil zone is scraped kind of a cunette, make ground smooth, and the degree of depth of seed is even.
The frame 1 of the back of clean-up scraper 7 is provided with pack roller 8, and like this, pack roller 8 compacting tables soil is beneficial to wheat germination and preserving soil moisture.
Interval 3-6cm between the adjacent grain conductor 4, adjacent rolling broadcast interval 3-6cm between the wheel 5, makes wheat cultivation more even, is beneficial to the raising yield of wheat.
It is flat mouthful that the lower port of grain conductor 4 is preferably, and rolls the width that the width of broadcasting wheel 5 slightly is wider than grain conductor 4 lower port, makes wheat cultivation even, and guarantee that all seeds are all rolled and broadcast wheel load to go into soil, prevents the seed waste.
Be positioned at and roll the seed pressing wheel 5 of broadcasting axle 6 two ends and roll that to broadcast axle 6 fixing; And other roll and broadcast wheel 5 and broadcast on the axle 6 rolling to broadcast axle 6 axial limiting but be placed in to roll free to rotately; Prevented in the process of walking, broadcast wheel 5, caused the seed degree of depth inhomogeneous because the foreign material such as weeds in the soil block to roll; Sometimes also can cause whole roll broadcast the wheel stop operating, the influence amount of sowing.
Be provided with rotary tillage mechanism 12 in the place ahead of grain conductor 4, after the results autumn crops, directly rotary tillage sowing once can be accomplished, and has reduced operation, has shortened man-hour, has improved operating efficiency, has reduced the farming cost.
Be provided with fertile case 13 in the place ahead of kind of case 2, fertile case 13 belows are connected with fertilizer expelling shaft 14 and fertilizer guiding tube 15, and the lower end of fertilizer guiding tube 15 is positioned at the place ahead of rotovator structure 12, and fertilizer expelling shaft 14 is broadcast spools 6 and is connected with rolling.Can fertilizer directly be sprinkling upon Tanaka when farming is sowed, reduce labour intensity, improve operating efficiency.
The foregoing description is just to explanation of the present invention, and therefore, protection scope of the present invention not only is confined to the foregoing description, and to roll the machine of broadcasting identical as long as structure and wheat of the present invention evenly roll broadcasting method and special use, just drops on the scope that the present invention protects.
Claims (10)
1. wheat evenly rolls type of seeding, it is characterized in that: this method comprises the following steps:
The first step, pine is whole to plough
To plough and cause soil soft through farming;
In second step, sow seeds
The wheat seed bar shaped is sprinkling upon the surface of ploughing;
In the 3rd step, press and plant
Wheat seed is pressed in the soil;
The 4th step, earthing
On seed, cover earthing;
The 5th step, the suppression compacting soil
Through pack roller with soil compaction.
2. wheat according to claim 1 evenly rolls type of seeding, it is characterized in that: the line-spacing that wheat broadcasts sowing is 3-6cm, and the wheat spacing in the rows is 3-6cm.
3. realize that wheat that aforesaid right requires wheat evenly to roll kind of method evenly sows special use and roll the machine of broadcasting; Comprise frame, plant case, feed shaft and Duo Gen grain conductor; It is characterized in that: keep at a certain distance away between the adjacent said grain conductor, said grain conductor lower end is near ground; Be provided with one at the back at each said grain conductor and roll and broadcast wheel, described rolling broadcast wheel and broadcast the axle serial connection through being fixed on rolling on the said frame, adjacent roll to broadcast between the wheel keep at a certain distance away; Broadcast the wheel rear and be provided with clean-up scraper said rolling, said rolling broadcast axle and is connected with described feed shaft through transmission mechanism.
4. wheat according to claim 3 evenly rolls kind of a special use and rolls the machine of broadcasting, and it is characterized in that: the frame of described clean-up scraper back is provided with pack roller.
5. wheat according to claim 3 evenly rolls to be broadcast special use and roll the machine of broadcasting, and it is characterized in that: 3-6cm at interval between the adjacent said grain conductor, adjacent said rolling broadcast between the wheel 3-6cm at interval.
6. wheat according to claim 3 evenly rolls to be broadcast special use and roll the machine of broadcasting, and it is characterized in that: said grain conductor lower port is flat mouthful, saidly rolls the width that the width of broadcasting wheel slightly is wider than the grain conductor lower port.
7. wheat according to claim 3 evenly rolls to be broadcast special use and rolls the machine of broadcasting, and it is characterized in that: said grain conductor is provided with first depth control mechanism, and described rolling broadcast axle and be provided with second depth control mechanism.
8. wheat according to claim 3 evenly rolls to be broadcast special use and rolls the machine of broadcasting; It is characterized in that: be positioned at said rolling and broadcast rolling of a two ends and broadcast wheel and roll with described that to broadcast axle fixing, and other roll and broadcast wheel and broadcast on the axle pressing kind of the axial limiting of axle but be placed in described rolling free to rotately.
9. wheat according to claim 3 evenly rolls to be broadcast special use and rolls the machine of broadcasting, and it is characterized in that: be provided with rotary tillage mechanism in said grain conductor the place ahead.
10. wheat according to claim 3 evenly rolls to be broadcast special use and roll the machine of broadcasting, and it is characterized in that: be provided with fertile case in the place ahead of said kind of case, said fertile case below is connected with fertilizer expelling shaft and fertilizer guiding tube, and the lower end of said fertilizer guiding tube is positioned at the place ahead of said rotary tillage mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100149939A CN102550171A (en) | 2012-01-18 | 2012-01-18 | Uniform wheat rolling sowing method and special rolling sowing machine |
| PCT/CN2013/070253 WO2013107317A1 (en) | 2012-01-18 | 2013-01-09 | Uniform wheat rolling sowing method and special rolling sowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100149939A CN102550171A (en) | 2012-01-18 | 2012-01-18 | Uniform wheat rolling sowing method and special rolling sowing machine |
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| CN102550171A true CN102550171A (en) | 2012-07-11 |
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| CN2012100149939A Pending CN102550171A (en) | 2012-01-18 | 2012-01-18 | Uniform wheat rolling sowing method and special rolling sowing machine |
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| WO (1) | WO2013107317A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107317A1 (en) * | 2012-01-18 | 2013-07-25 | Hao Deyou | Uniform wheat rolling sowing method and special rolling sowing machine |
| CN103270829A (en) * | 2013-06-04 | 2013-09-04 | 郝德有 | Multi-crop united screening and sowing machine for wheat, rice, grass and vegetables |
| CN104255204A (en) * | 2014-09-21 | 2015-01-07 | 张春平 | Fertilization and seeding rotary cultivator capable of pressing down and reversely pulverizing tips of prostrate straw |
| CN105009878A (en) * | 2015-07-01 | 2015-11-04 | 中国农业科学院作物科学研究所 | Method for three-dimensional and uniformly sowing wheat |
| CN105145216A (en) * | 2015-08-19 | 2015-12-16 | 南丹兴农科技有限公司 | Paddy rice broadcasting method |
| CN107409513A (en) * | 2017-08-08 | 2017-12-01 | 张春平 | Powder sesame seeder is cut to turning rotary tillage straw |
| CN107466495A (en) * | 2017-07-28 | 2017-12-15 | 高峰 | One kind balance self-regulation agricultural machinery |
| CN110352643A (en) * | 2019-07-26 | 2019-10-22 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Wheat is even the deep covering device such as to broadcast |
| CN111727700A (en) * | 2020-07-02 | 2020-10-02 | 内蒙古自治区农牧业科学院 | A no-tillage reseeding machine for grassland and dry land |
| CN111837525A (en) * | 2020-08-04 | 2020-10-30 | 沈均林 | Seeding machine |
| CN114287183A (en) * | 2021-12-24 | 2022-04-08 | 南县伟业机械制造有限公司 | Integrated intelligent automatic rape seeder |
| CN114982431A (en) * | 2022-06-13 | 2022-09-02 | 北京德邦大为科技股份有限公司 | Air-blowing type forage no-tillage seeder and seeding process |
| CN117084025A (en) * | 2023-10-19 | 2023-11-21 | 安徽农业大学 | A kind of wheat late spring cold experimental sowing device |
| CN118120375A (en) * | 2024-04-30 | 2024-06-04 | 安徽省农业科学院土壤肥料研究所 | Rape seed sowing equipment and sowing method thereof |
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| CN104255096A (en) * | 2014-09-15 | 2015-01-07 | 河南农业大学 | Wheat seed broadcaster |
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| CN88210780U (en) * | 1988-01-31 | 1988-11-30 | 孔庆震 | Interplanting dibbling device |
| CN2088324U (en) * | 1991-04-20 | 1991-11-13 | 宁夏农机鉴定技术推广站 | Dibbler for maize seed fertilizer |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107317A1 (en) * | 2012-01-18 | 2013-07-25 | Hao Deyou | Uniform wheat rolling sowing method and special rolling sowing machine |
| CN103270829A (en) * | 2013-06-04 | 2013-09-04 | 郝德有 | Multi-crop united screening and sowing machine for wheat, rice, grass and vegetables |
| CN104255204A (en) * | 2014-09-21 | 2015-01-07 | 张春平 | Fertilization and seeding rotary cultivator capable of pressing down and reversely pulverizing tips of prostrate straw |
| CN105009878A (en) * | 2015-07-01 | 2015-11-04 | 中国农业科学院作物科学研究所 | Method for three-dimensional and uniformly sowing wheat |
| CN105145216A (en) * | 2015-08-19 | 2015-12-16 | 南丹兴农科技有限公司 | Paddy rice broadcasting method |
| CN107466495A (en) * | 2017-07-28 | 2017-12-15 | 高峰 | One kind balance self-regulation agricultural machinery |
| CN107409513A (en) * | 2017-08-08 | 2017-12-01 | 张春平 | Powder sesame seeder is cut to turning rotary tillage straw |
| CN110352643A (en) * | 2019-07-26 | 2019-10-22 | 宁夏农林科学院农作物研究所（宁夏回族自治区农作物育种中心） | Wheat is even the deep covering device such as to broadcast |
| CN111727700A (en) * | 2020-07-02 | 2020-10-02 | 内蒙古自治区农牧业科学院 | A no-tillage reseeding machine for grassland and dry land |
| CN111837525A (en) * | 2020-08-04 | 2020-10-30 | 沈均林 | Seeding machine |
| CN114287183A (en) * | 2021-12-24 | 2022-04-08 | 南县伟业机械制造有限公司 | Integrated intelligent automatic rape seeder |
| CN114982431A (en) * | 2022-06-13 | 2022-09-02 | 北京德邦大为科技股份有限公司 | Air-blowing type forage no-tillage seeder and seeding process |
| CN114982431B (en) * | 2022-06-13 | 2023-08-04 | 北京德邦大为科技股份有限公司 | Air-blowing type forage no-tillage planter and planting process |
| CN117084025A (en) * | 2023-10-19 | 2023-11-21 | 安徽农业大学 | A kind of wheat late spring cold experimental sowing device |
| CN117084025B (en) * | 2023-10-19 | 2024-01-02 | 安徽农业大学 | A wheat late-spring cold experimental sowing device |
| CN118120375A (en) * | 2024-04-30 | 2024-06-04 | 安徽省农业科学院土壤肥料研究所 | Rape seed sowing equipment and sowing method thereof |
| CN118120375B (en) * | 2024-04-30 | 2024-07-30 | 安徽省农业科学院土壤肥料研究所 | Rape seed sowing equipment and sowing method thereof |
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| WO2013107317A1 (en) | 2013-07-25 |
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Application publication date: 20120711 |