CN105815008B - Rice precisely sows seedling raising device - Google Patents
Rice precisely sows seedling raising device Download PDFInfo
- Publication number
- CN105815008B CN105815008B CN201610336980.1A CN201610336980A CN105815008B CN 105815008 B CN105815008 B CN 105815008B CN 201610336980 A CN201610336980 A CN 201610336980A CN 105815008 B CN105815008 B CN 105815008B
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- Prior art keywords
- seedling
- cultivation plate
- casing
- raising device
- rice
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
- A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
-
- 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
-
- 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
- A01C7/206—Seed pipes
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0293—Seed or shoot receptacles
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The present invention relates to a kind of rice precisely to sow seedling raising device.There is presently no precisely sow seedling raising device for rice.The present invention includes seedling-cultivation plate and seeder, and seedling-cultivation plate includes seedling-cultivation plate body, is characterized in：The bottom of seedling-cultivation plate body is provided with several draining adjustment holes；Several Yu Miao Portland, Yu Miao Portland height 0.5 1.0cm lower than the height of seedling-cultivation plate body is provided with seedling-cultivation plate body；Seeder includes casing and several sowing units, a negative pressure cavity is provided with casing, the bottom of casing is provided with several negative pressure holes, casing is provided with pumping connector, each sowing unit includes at least one seeding head, one and only one sucker for being used to draw a rice paddy seed of the bottom of each seeding head, seeding head are fixed on the bottom of casing, and a sucker connects with a negative pressure hole；Seeder and seedling-cultivation plate coordinate.The present invention is easy to use, can carry out rice precisely sowing and seedling.
Description
Technical field
The present invention relates to a kind of rice precisely to sow seedling raising device, is exclusively used in carrying out rice precisely sowing and seedling.
Background technology
At present rice precisely cultivation by seedling, transplanting, apply fertilizer, pour water, the accurate control of field management, can maximum limit
Degree ground plays the yield potential of kind, is the developing direction of rice cropping from now on most effectively using the various resources of production.
But in accurate seedlings link, it is desirable to accomplish accurate several seeds of bunch planting on seedling-cultivation plate, and it is uniform, then some are difficult.Mesh
The preceding method for realizing accurate seedling is mainly by following three kinds：First, artificial dibbling；Second, after first using machine sowing device light seeding again manually
Pick up and broadcast uniformly；Method of the fuel with seed is broadcast afterwards third, mixing to mix in proportion by every disk sowing quantity and nutrient base material.It is existing
Above-mentioned three kinds of methods, that method is all time-consuming, efficiency is low, and seeding quality is also not fully up to expectations.
Also have some relatively good technologies now, as publication date be on 03 23rd, 2011, Publication No.
In CN201766832U Chinese patent, a kind of rice growing seedling raising device is disclosed, the rice growing seedling raising device includes seedling
Disk and fixed density sowing mechanism, fixed density sowing mechanism include the upper seeding board and bottom plate being placed in parallel, and upper seeding board is provided with
Collection kind frame, collection kind outer frame end are fixed with support, action bars are connected with support, the bottom of the operating lever portion is connected to bottom plate
On, feed outlet and seed leaking hole are correspondingly provided with upper seeding board and bottom plate respectively, the aperture of feed outlet is less than seed leaking hole, and
Feed outlet and seed leaking hole mutually stagger in seeding, overlapping when leaking kind, and described seedling disk is provided with grid hole, and part is planted during seeding
Son can enter feed outlet under seed brush promotion, and shake operation bar relatively moves bottom plate and upper seeding board when leaking kind, row
Kind hole and seed leaking hole are overlapping, hair of being taken root in the clod that the seed in feed outlet is all entered in the grid hole to add to seedling tray by seed leaking hole
Bud, after growing rice shoot, every beam rice shoot number on seedling disk is roughly equal, and precisely, be adapted to manpower to divide in advance makes distance with native rice transplanter
With；But the rice growing seedling raising device is complicated, it is difficult to realizes the function of Precise sowing and seedling.Therefore, it is badly in need of grinding
A kind of accurately rice growing seedling raising device of hair, there is presently no precisely sow seedling raising device for rice.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and offer is a kind of reasonable in design,
Easy to use, can carrying out rice, precisely the rice of sowing and seedling precisely sows seedling raising device.
Technical scheme is used by the present invention solves the above problems：The rice, which precisely sows seedling raising device, includes seedling-cultivation plate
And seeder, the seedling-cultivation plate include seedling-cultivation plate body, the seedling-cultivation plate body is rectangle structure, the seedling-cultivation plate body it is upper
End opening, the length of the seedling-cultivation plate body is 70-80cm, width is 30-40cm and height is 4-5cm；Its design feature exists
In：The rice precisely sow seedling raising device also include pressure pipe, vavuum pump, power supply, for discharge plate and workbench, the seedling-cultivation plate
The bottom of body is provided with several draining adjustment holes, and the draining adjustment hole is through-hole structure, and the draining adjustment hole is circle
Structure, a diameter of 1.5-2mm of the draining adjustment hole, the spacing between two neighboring draining adjustment hole is 1.5-2.0cm；It is described
Several Yu Miao Portland, at least one draining adjustment hole of each Yu Miao Portland bottom, the nursery are provided with seedling-cultivation plate body
Portland is square structure, and the height of the Yu Miao Portland is lower 0.5-1.0cm than the height of seedling-cultivation plate body；The seeder puts control including suction
Switch, exhaust tube, casing, pressure interface tube sum sowing unit are made, a negative pressure cavity, the case are provided with the casing
The bottom of body is planar structure, and the bottom of the casing is provided with several negative pressure holes, and the negative pressure hole is via-like structure, should
Negative pressure hole connects with negative pressure cavity, and the casing is provided with pumping connector, and each unit of sowing includes at least one seeding head,
One and only one sucker for being used to draw a rice paddy seed of the bottom of each seeding head, the sucker be circular configuration, this
A diameter of 1.5-2mm of sucker, is fixed on the bottom of casing at the top of the seeding head, the sucker in a seeding head and one
Negative pressure hole connects, and one end of the exhaust tube connects with the pumping connector in casing, and the exhaust tube connects with negative pressure cavity, described
Pressure interface tube connects with exhaust tube, and the exhaust tube is in handle configuration, and the suction puts controlling switch on exhaust tube；
One end of the pressure pipe connects with pressure interface tube, and the other end of the pressure pipe connects with vavuum pump, the vavuum pump and electricity
Source electrically connects, and the seedling-cultivation plate, is respectively positioned on workbench for discharge plate and seeder；The seeder and seedling-cultivation plate coordinate, described
It is identical with Yu Miao Portland quantity to sow the quantity of unit, a sowing unit and a Yu Miao Portland are corresponding, when seeder is sowed
When, Yu Miao Portland Portland mouths flush in the bottom of seeder middle case and seedling-cultivation plate, and seeding head is located in corresponding Yu Miao Portland.
Preferably, several Yu Miao Portland of the present invention are arranged in several rows in seedling-cultivation plate body.
Preferably, draining adjustment hole of the present invention is evenly distributed in the bottom of seedling-cultivation plate body.
Preferably, Yu Miao Portland of the present invention are evenly distributed in seedling-cultivation plate body.
Preferably, Yu Miao Portland of the present invention quantity is 100 integral multiple.
Preferably, pumping connector of the present invention is located at the top of casing.
Preferably, each sowing unit of the present invention forms by 1-9 seeding head, and the sowing in each sowing unit
The quantity of head is equal.
Preferably, casing of the present invention is in flat structure.
Preferably, the sucker in seeding head of the present invention is located at the centre position of the bottom of seeding head.
Preferably, seeding head of the present invention is shaped as ball coronal structure, a diameter of 0.5- of the seeding head
1.0cm, a height of 1.5-2mm.
The present invention compared with prior art, has advantages below and effect：It is simple in construction, it is easy to use；Sow efficiency high,
More than 10 times are improved than artificial efficiency of broadcasting；Can be achieved precisely and it is uniform sowed and seedling, be advantageous to accurate calculatings kind
Amount, Basic Seedling etc.；Can uniformly it sow, seeding quality is high, is advantageous to cultivate paddy rice seedling strengthening.In seedling-cultivation plate, two neighboring draining
Spacing between adjustment hole is 1.5-2.0cm, at least one draining adjustment hole of each Yu Miao Portland bottom, and draining adjustment hole is used
Soil in seedling-cultivation plate body carries out balanced draining regulation；Yu Miao Portland height is lower 0.5- than the height of seedling-cultivation plate body
1.0cm, it is easy to precisely sow；The quantity for educating seedling Portland is 100 integral multiple, and such as quantity can be 100,500, be easy to count
Calculate grain number, the seedling number of rice paddy seed.
Brief description of the drawings
Fig. 1 is the structural representation that rice precisely sows seedling raising device in the embodiment of the present invention.
Fig. 2 is the front view structure signal that rice precisely sows the accurate seedling-cultivation plate in seedling raising device in the embodiment of the present invention
Figure.
Fig. 3 is Fig. 2 backsight structural representation.
Fig. 4 is Fig. 2 present invention looks up structural representation.
Fig. 5 is the cross section structure diagram in A-A faces in Fig. 2.
Fig. 6 is the front view structure signal that rice precisely sows the precise seeder in seedling raising device in the embodiment of the present invention
Figure.
Fig. 7 is Fig. 6 backsight structural representation.
Fig. 8 is Fig. 6 present invention looks up structural representation.
Fig. 9 is Fig. 6 cross section structure diagram.
Figure 10 is the structural representation after amplifying in Fig. 9 at A.
Figure 11 is the structural representation after amplifying in Fig. 9 at B.
Figure 12 is the structural representation of the sowing unit containing different seeding heads in the embodiment of the present invention, broadcasting from left to right
In kind unit, successively containing a seeding head, two seeding heads, three seeding heads, four seeding heads and five seeding heads.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following examples are to this hair
Bright explanation and the invention is not limited in following examples.
Embodiment.
Referring to Fig. 1 to Figure 12, the rice in the present embodiment, which precisely sows seedling raising device, includes seedling-cultivation plate, seeder, pressure
Pipe 11, vavuum pump 12, power supply 13, workbench 14 and confession discharge plate 15, the size of wherein seedling-cultivation plate and seeder match.
Seedling-cultivation plate in the present embodiment includes seedling-cultivation plate body 6, seedling-cultivation plate body 6 can use hard material make and
Into.
Seedling-cultivation plate body 6 in the present embodiment is rectangle structure, the upper end open of the seedling-cultivation plate body 6, forms plate-like
Structure, the surrounding of seedling-cultivation plate body 6 form a rectangular frame 10, and the length of seedling-cultivation plate body 6 is 70-80cm, width
For 30-40cm, and height is 4-5cm.
The bottom of seedling-cultivation plate body 6 in the present embodiment is provided with several draining adjustment holes 8, and draining adjustment hole 8 is logical
Pore structure, draining adjustment hole 8 are circular configuration, and the diameter of the draining adjustment hole 8 is usually 1.5-2mm, two neighboring draining
Spacing between the center of circle of adjustment hole 8 is 1.5-2.0cm.
Several Yu Miao Portland 7 are provided with seedling-cultivation plate body 6 in the present embodiment, Yu Miao Portland 7 can directly pass through dividing plate 9
It is separated and forms in seedling-cultivation plate body 6, at least one draining adjustment hole 8 of each Yu Miao Portland 7 bottom, Yu Miao Portland 7 can
Think square structure or cylindrical structural, the height of the Yu Miao Portland 7 is lower 0.5-1.0cm than the height of seedling-cultivation plate body 6, is easy to essence
Quasi- sowing.
The thickness of the frame 10 of seedling-cultivation plate body 6 is more than the thickness of dividing plate 9 in the present embodiment.Several Yu Miao Portland 7 are educating
It is arranged in several rows in seedling disk body 6, in two neighbouring row Yu Miao Portland 7, corresponding Yu Miao Portland 7 are mutually aligned.Draining is adjusted
Knothole 8 is evenly distributed in the bottom of seedling-cultivation plate body 6 so as to the drainage effect of the soil in seedling-cultivation plate body 6 evenly,
Be advantageous to more accurately carry out raising rice seedlings.
Yu Miao Portland 7 in the present embodiment are evenly distributed in seedling-cultivation plate body 6, are easy to sow.Yu Miao Portland 7 quantity is
100 integral multiple, such as quantity can be 100,200,300,400,500,600, be easy to calculate rice seed
The grain number and rice shoot number of son.
Seeder in the present embodiment is put controlling switch 1, exhaust tube 2, casing 3, pressure interface tube 4 including suction and several broadcast
Kind unit, wherein, casing 3 is generally in flat structure.
It is provided with a negative pressure cavity 31 in casing 3 in the present embodiment, the bottom of casing 3 is planar structure, the casing 3
Bottom be provided with several negative pressure holes 33, negative pressure hole 33 is via-like structure, and the negative pressure hole 33 connects with negative pressure cavity 31, case
Body 3 is provided with pumping connector 32, and pumping connector 32 is usually located at the top of casing 3.
Each sowing unit in the present embodiment includes at least one seeding head 5, it is generally the case that each sowing unit is equal
It is made up of 1-9 seeding head 5, and the quantity of the seeding head 5 in each sowing unit is equal.Each seeding head in the present embodiment
One and only one sucker 51 for being used to draw a rice paddy seed of 5 bottom, sucker 51 is circular configuration, the sucker 51 it is straight
Footpath is 1.5-2mm, and the sucker 51 in seeding head 5 is usually located at the central position in the centre position, i.e. bottom of the bottom of seeding head 5
Put.
Seeding head 5 in the present embodiment is fixed on the bottom of casing 3, it is generally the case that the top of seeding head 5 is fixed on case
The bottom of body 3.Sucker 51 in one seeding head 5 connects with a negative pressure hole 33, the sucker 51 in a seeding head 5 and one
Negative pressure hole 33 is corresponding, and the axis in a negative pressure hole 33 passes through the center of circle of corresponding sucker 51.
Under normal circumstances, the seeding head 5 in the present embodiment is shaped as ball coronal structure, a diameter of 0.5- of seeding head 5
1.0cm a height of 1.5-2mm of seeding head 5.
Pumping connector 32 in one end and casing 3 of exhaust tube 2 in the present embodiment connects, the exhaust tube 2 and negative pressure
Chamber 31 connects, and pressure interface tube 4 and exhaust tube 2 connect, and exhaust tube 2 is in handle configuration, i.e. exhaust tube 2 is also equipped with handle work(
Can, can be by exhaust tube 2 as handle during operation, portable exhaust tube 2, the concrete shape of handle configuration is for art technology
It is common knowledge for personnel.Suction in the present embodiment puts controlling switch 1 on exhaust tube 2, and suction is put controlling switch 1 and is used for
Opening and closing for the pressure air in exhaust tube 2 is controlled, so as to control absorption of the seeding head 5 to rice paddy seed and put down work(
Energy.
One end of pressure pipe 11 and pressure interface tube 4 connect in the present embodiment, the other end and vavuum pump of the pressure pipe 11
12 connections, vavuum pump 12 and power supply 13 are electrically connected, and seedling-cultivation plate, seeder and confession discharge plate 15 are respectively positioned on workbench 14.
Seeder and seedling-cultivation plate coordinate in the present embodiment, sow that the quantity of unit is identical with Yu Miao Portland 7 quantity, and one is broadcast
Kind unit and a Yu Miao Portland 7 are corresponding, when seeder is sowed, Yu Miao Portland 7 in the bottom of seeder middle case 3 and seedling-cultivation plate
Portland mouths flush, and seeding head 5 is located in corresponding Yu Miao Portland 7.
Rice in the present embodiment precisely sows seedling raising device and is exclusively used in precisely sowing rice, in use, using hand
Lift the exhaust tube 2 of handle configuration, the bottom of casing 3 is placed in the confession discharge plate 15 equipped with rice paddy seed, open suction and put control
System switch 1 so that vacuum is formed in the negative pressure cavity 31 of casing 3, the sucker 51 of seeding head 5 also produces negative pressure so that each sucker
51 have and only adsorb a rice paddy seed, then lift casing 3, casing 3 is placed in the seedling-cultivation plate covered with Nutrition Soil,
The Portland mouths of Yu Miao Portland 7 flush in the bottom of seeder middle case 3 and seedling-cultivation plate, and seeding head 5 is located in corresponding Yu Miao Portland 7,
Close suction and put controlling switch 1 so that the rice paddy seed drawn in sucker 51 is fallen within the Nutrition Soil in Yu Miao Portland 7, can be effective
Control the quantity and density of rice paddy seed.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, it is named
Title etc. can be different, and the above content described in this specification is only to structure example explanation of the present invention.It is all according to
The equivalence changes or simple change done according to the construction described in inventional idea of the present invention, feature and principle, are included in this hair
In the protection domain of bright patent.Those skilled in the art can do various to described specific embodiment
The modification of various kinds or supplement are substituted using similar mode, without departing from structure of the invention or surmount present claims
Scope defined in book, protection scope of the present invention all should be belonged to.
Claims (9)
1. a kind of rice precisely sows seedling raising device, including seedling-cultivation plate and seeder, the seedling-cultivation plate includes seedling-cultivation plate body, institute
It is rectangle structure to state seedling-cultivation plate body, and the upper end open of the seedling-cultivation plate body, the length of the seedling-cultivation plate body is 70-
80cm, width are 30-40cm and height is 4-5cm；It is characterized in that：The rice, which precisely sows seedling raising device, also includes pressure
Pipe, vavuum pump, power supply, discharge plate and workbench, the bottom of the seedling-cultivation plate body be provided with several draining adjustment holes, the row
Water adjustment hole is through-hole structure, and the draining adjustment hole is circular configuration, and a diameter of 1.5-2mm of the draining adjustment hole is adjacent
Spacing between two draining adjustment holes is 1.5-2.0cm；Several are provided with the seedling-cultivation plate body and educates seedling Portland, Mei Geyu
At least one draining adjustment hole of Miao Portland bottom, the Yu Miao Portland are square structure, and the height of the Yu Miao Portland is than seedling-cultivation plate sheet
The low 0.5-1.0cm of height of body；The seeder is put controlling switch, exhaust tube, casing, pressure interface tube sum including suction and broadcast
Unit is planted, a negative pressure cavity is provided with the casing, the bottom of the casing is planar structure, and the bottom of the casing is set
There are several negative pressure holes, the negative pressure hole is via-like structure, and the negative pressure hole connects with negative pressure cavity, and the casing, which is provided with, to be taken out
Gas connector, each unit of sowing include at least one seeding head, the bottom of each seeding head one and only one for drawing
The sucker of one rice paddy seed, the sucker are circular configuration, a diameter of 1.5-2mm of the sucker, the top of the seeding head
It is fixed on the bottom of casing, the sucker in a seeding head connects with a negative pressure hole, in one end and casing of the exhaust tube
The connection of pumping connector, the exhaust tube connects with negative pressure cavity, and the pressure interface tube connects with exhaust tube, and the exhaust tube is in
Handle configuration, the suction put controlling switch on exhaust tube；One end of the pressure pipe connects with pressure interface tube, should
The other end of pressure pipe connects with vavuum pump, the vavuum pump and power electric connection, the seedling-cultivation plate, equal for discharge plate and seeder
On workbench；The seeder and seedling-cultivation plate coordinate, and the quantity of the sowing unit is identical with Yu Miao Portland quantity, one
Sow unit and a Yu Miao Portland is corresponding, when seeder is sowed, Yu Miao Portland in the bottom of seeder middle case and seedling-cultivation plate
Portland mouths flush, and seeding head is located in corresponding Yu Miao Portland；The seeding head is shaped as ball coronal structure, the seeding head
A diameter of 0.5-1.0cm, a height of 1.5-2mm.
2. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：Several Yu Miao Portland are in seedling-cultivation plate
It is arranged in body several rows.
3. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：The draining adjustment hole is uniform
It is distributed in the bottom of seedling-cultivation plate body.
4. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：The Yu Miao Portland are uniformly distributed
In seedling-cultivation plate body.
5. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：The quantity of the Yu Miao Portland is
100 integral multiple.
6. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：The pumping connector is located at case
The top of body.
7. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：Each sowing unit is by 1-9
Individual seeding head composition, and the quantity of the seeding head in each sowing unit is equal.
8. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：The casing is in flat knot
Structure.
9. rice according to claim 1 precisely sows seedling raising device, it is characterised in that：Sucker position in the seeding head
In the centre position of the bottom of seeding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610336980.1A CN105815008B (en) | 2016-05-20 | 2016-05-20 | Rice precisely sows seedling raising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610336980.1A CN105815008B (en) | 2016-05-20 | 2016-05-20 | Rice precisely sows seedling raising device |
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| Publication Number | Publication Date |
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| CN105815008A CN105815008A (en) | 2016-08-03 |
| CN105815008B true CN105815008B (en) | 2017-12-05 |
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| CN201610336980.1A Expired - Fee Related CN105815008B (en) | 2016-05-20 | 2016-05-20 | Rice precisely sows seedling raising device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100540A (en) * | 2019-05-31 | 2019-08-09 | 云南中医药大学 | A kind of quick seeding apparatus of paris polyphylla seedling fostering multirow |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6463866B2 (en) * | 1999-12-08 | 2002-10-15 | Edward Huffmeyer | Apparatus for varying the rate of seed population |
| CN201178609Y (en) * | 2008-03-28 | 2009-01-14 | 中国水稻研究所 | Double-disk combined earthen bowl shaped rice seedling raising disk |
| CN201243459Y (en) * | 2008-08-07 | 2009-05-27 | 中国水稻研究所 | Device for sowing seed and cultivating seedling of rice |
| CN201341318Y (en) * | 2009-01-14 | 2009-11-11 | 张国梁 | Potted seeding tray and potted seeding machine |
| CN201682840U (en) * | 2010-04-27 | 2010-12-29 | 中国水稻研究所 | Miniature rice seedling raising tray |
| CN201938053U (en) * | 2010-12-21 | 2011-08-24 | 袁良友 | Negative pressure type precise seeding tobacco seed seeder |
| CN203261689U (en) * | 2013-05-10 | 2013-11-06 | 湖南农业大学 | Air-suction rotary drum type small-size-seed sowing device |
| CN204697612U (en) * | 2015-03-11 | 2015-10-14 | 中国水稻研究所 | The Degradable seedling cultivation disc of the two degradation speed of a kind of combined type |
| CN104885659B (en) * | 2015-05-30 | 2016-11-02 | 同济大学 | A kind of novel precision seeder machine |
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2016
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