CN108617198A - Improve the device and method of direct sowing of rice germination percentage - Google Patents
Improve the device and method of direct sowing of rice germination percentage Download PDFInfo
- Publication number
- CN108617198A CN108617198A CN201810443689.3A CN201810443689A CN108617198A CN 108617198 A CN108617198 A CN 108617198A CN 201810443689 A CN201810443689 A CN 201810443689A CN 108617198 A CN108617198 A CN 108617198A
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- Prior art keywords
- rice
- roller
- seed
- germination percentage
- drum apparatus
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/02—Germinating apparatus; Determining germination capacity of seeds or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/04—Machines for making or covering holes for sowing or planting
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Physiology (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The present invention relates to agriculture field, more particularly to a kind of device and method improving direct sowing of rice germination percentage, it is characterised in that：The device includes paddy planter and drum apparatus, and the drum apparatus includes roller and link, and the both ends of the roller are rotationally connected on link, and the drum apparatus further includes liquid storage cylinder and defeated liquid discharging tube；A kind of device and method improving direct sowing of rice germination percentage provided by the invention, the device and method connects drum apparatus at seed-sowing machine rear, seed rice under seed-sowing machine capable of being spilt is pressed onto in soil, not only be avoided that caused by seed rice is exposed burn seedlings, by animal predation phenomena such as, improve live streaming germination percentage, and seed rice is pressed into after soil that position is fixed, the uniform, plant that emerge takes root depth, Later growth is not easy to lodge, in addition, sowing is efficient, be conducive to the development of rice industry.
Description
Technical field
The present invention relates to agriculture field, more particularly to a kind of device and method improving direct sowing of rice germination percentage.
Background technology
Rice is annual gramineae crop, and it is artificial plough to have at least 7000 plantation history, cultivation mode in China
Kind.Each growth cycle of rice is required for the processes such as being sowed, transplanted.With the development of economy, rural laborer is big
Amount transfer, causes present rural laborer to be die-offed, traditional cultivation mode greatly constrains the development of rice industry.In order to
Solve the problems, such as rural laborer, by a large amount of practices, the cultivation modes such as mechanization, live streaming come into being scientists, but answer
It is not high with degree.Existing direct seeding technique has the following disadvantages：1, since technical conditions are limited, field surface height is not
Flat, the low-lying easy ponding in place after planting meets sun exposure, and high temperature be easy to cause burn seedlings, causes rice shoot bud ratio low；2, it after planting meets
The seed that rains heavily easily is flowed with flow, and it is uneven to be easy to cause emergence；3, seed is exposed is easy to be endangered by bird, mouse in earth's surface
Deng, and seed floats on surface, and plant takes root shallow, later stage easy lodging, is unfavorable for mechanical harvesting.
Invention content
It is an object of the invention to overcome disadvantage mentioned above, a kind of device and method improving direct sowing of rice germination percentage is provided,
The device and method connects drum apparatus at seed-sowing machine rear, and the seed rice under capable of spilling seed-sowing machine is pressed onto in soil, can not only keep away
Exempt from caused by seed rice is exposed burn seedlings, by animal predation phenomena such as, improve live streaming germination percentage, and seed rice is pressed into position after soil
It sets fixed, the uniform, plant that emerges and takes root depth, Later growth is not easy to lodge, in addition, sowing is efficient, is conducive to rice industry
Development.
The invention is realized in this way：
Scheme (one)：
A kind of device improving direct sowing of rice germination percentage, it is characterised in that：The device includes paddy planter and connection
Drum apparatus in paddy planter rear, the drum apparatus include roller and are connected between roller and paddy planter
Link, the both ends of the roller are rotationally connected on link, and the drum apparatus further includes coaxial arrangement in roller
Liquid storage cylinder and the defeated liquid discharging tube that is connected between liquid storage cylinder and outside.
Further, in order to adjust the weight of roller each region, the quantity of the liquid storage cylinder is four and along roller
Axial direction be uniformly distributed setting, the quantity of the defeated liquid discharging tube is four, one end of each defeated liquid discharging tube with respectively with one
A liquid storage cylinder is connected and the other end is placed on the end face of roller.
For the ease of the level condition in observation liquid storage cylinder, to adjust the weight in each region of roller, the roller it is outer
It is respectively used to observe the transparent observing window of level condition in each liquid storage cylinder there are four setting on peripheral wall.
In order to adjust the rolling region of roller, the drum apparatus further includes that coaxially slide is connected on outer surface of cylinder
Adjusting sleeve and be connected between adjusting sleeve and roller for limit adjusting sleeve opposing roller axial movement limit assembly.
Preferably, the periphery wall of the roller is equipped with two or more and is uniformly arranged along roll circumference direction and along drum shaft
The sliding slot being extended to direction, the adjusting sleeve are equipped with the convex block that shape and quantity match with sliding slot, the convex block
It is snug fit in sliding slot, the limit assembly is the dormant bolt being threadedly connected in convex block, the lower end of the dormant bolt
Top pressure is on the chute.
In order to be rinsed to cylinder surface, the drum apparatus further includes multiple being set on link and being directed at rolling
The water jet of cylinder, each water jet are connected with the water supplying unit being positioned on paddy planter.Scheme (two)：
A method of improving direct sowing of rice germination percentage, it is characterised in that：This approach includes the following steps：
1. basking seeds：Rice paddy seed is dried to the natural drying of 1-5 angel's seeds in the sun, is then 20~28 DEG C in temperature
Carry out ultraviolet sterilization under confined conditions, obtain aseptic seed；
2. impregnating：It will be small by impregnating 4~5 in clear water that step 1. treated seed rice is put into temperature is 15~17 DEG C
When, it is then placed in soaking disinfection in thimerosal, pulls flushing after 3~5 hours out, is dried spare；
3. vernalization：Step will be passed through, and 2. treated that seed rice is fitted into venting bags, close with being put into after clear water flushing 1~3 time
It closes 24 hours or more, takes out seed rice when seed exposes white bud and root does not expose spare in the container closed；
4. sowing：Step will be passed through, and 3. treated that seed rice is put into paddy planter, then moves to paddy planter
It is sowed in rice field, according to the soft or hard degree of soil in rice field, a certain amount of water is injected into liquid storage cylinder by defeated liquid discharging tube,
Drum apparatus is set to sow paddy planter in the seed rice indentation soil of rice field earth surfaces.
Preferably, step 2. in thimerosal use a concentration of 1% lime aqueous solution.
Preferably, step 2. in purging method be seed rice is put into Filter-screen bag, then in the clear water of flowing repeatedly
It rinses, until the thimerosal on seed rice surface is rinsed well.
Preferably, the step 3. in venting bags be woven bag or Nylon Bag.
For the prior art, the present invention has the following advantages：
(1) device and method provided by the invention for improving direct sowing of rice germination percentage, in seed-sowing machine rear connection roller dress
It sets, the seed rice under capable of spilling seed-sowing machine is pressed onto in soil, is not only avoided that caused by seed rice is exposed burn seedlings, by animal predation etc.
Phenomenon, improves live streaming germination percentage, and seed rice is pressed into that position after soil is fixed, the uniform, plant that emerge takes root depth, Later growth
It is not easy to lodge, in addition, sowing is efficient, is conducive to the development of rice industry；
(2) device provided by the invention for improving direct sowing of rice germination percentage, drum apparatus is interior to be equipped with liquid storage cylinder, toward liquid storage cylinder
Interior injection or discharge liquid can adjust the weight of drum apparatus, and the quality of roller can be adjusted according to the hardness in different fields,
To guarantee seed rice being pressed into soil；
(3) device provided by the invention for improving direct sowing of rice germination percentage is set in drum apparatus there are four liquid storage cylinder, can be right
The weight of drum apparatus each region is adjusted, and can be finely adjusted according to the soft or hard degree of rice field different location, be made pressure
Kind best results；
(4) device provided by the invention for improving direct sowing of rice germination percentage, each liquid storage cylinder are equipped with transparent observing window,
The weight of drum apparatus each region can preferably be adjusted；
(5) device provided by the invention for improving direct sowing of rice germination percentage, the outer coaxially slide of roller are arranged with adjusting sleeve, energy
The rolling region of adjustment roller, flexibility are stronger as needed；
(6) device provided by the invention for improving direct sowing of rice germination percentage, link are equipped with the water jet of aligns with drum,
Roller can be rinsed timing as needed, to ensure the rolling effect of roller；
(7) device and method provided by the invention for improving direct sowing of rice germination percentage, seed rice germination percentage is high, sows cost
It is low, the labor intensity of peasant is reduced, economic benefit, application easy to spread are improved.
Description of the drawings
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings：
Fig. 1 is the structural schematic diagram for the device that the present invention improves direct sowing of rice germination percentage；
Fig. 2 is the longitudinal section view of roller in Fig. 1；
Fig. 3 is the structural schematic diagram of roller in embodiment 2；
Fig. 4 is the structural schematic diagram of roller and adjusting sleeve in embodiment 3.
Symbol description in figure：1, paddy planter, 2, drum apparatus, 21, roller, 211, watch window, 212, sliding slot,
22, link, 23, liquid storage cylinder, 24, defeated liquid discharging tube, 25, adjusting sleeve, 251, convex block, 26, limit assembly, 27, water jet.
Specific implementation mode
The content of present invention is described in detail with specific embodiment with reference to the accompanying drawings of the specification：
Specific implementation mode (one)：
It is a kind of device improving direct sowing of rice germination percentage provided by the invention as shown in Figs 1-4, it is characterised in that：The dress
The drum apparatus 2 at 1 rear of paddy planter is set including paddy planter 1 and is connected to, the drum apparatus 2 includes roller 21
And it is connected to the link 22 between roller 21 and paddy planter 1, the both ends of the roller 21 are rotationally connected with link
On 22, the drum apparatus 2 further include be coaxially disposed in roller 21 liquid storage cylinder 23 and be connected to liquid storage cylinder 23 and outside
Between defeated liquid discharging tube 24.Seed-sowing machine 1 shown in Fig. 1 is hand pulling type, naturally it is also possible to using dilatory head extending type, or
Other existing seed-sowing machines.
As shown in figure 3, further, in order to adjust the weight of roller each region, the quantity of the liquid storage cylinder 23 is
Four and it is uniformly distributed setting along the axial direction of roller 21, the quantity of the defeated liquid discharging tube 24 is four, each defeated liquid discharging tube
24 one end be connected respectively with a liquid storage cylinder 23 and the other end is placed on the end face of roller 21.
As shown in figure 3, for the ease of the level condition in observation liquid storage cylinder, to adjust the weight in each region of roller, institute
It states and is respectively used to observe the transparent observing window of level condition in each liquid storage cylinder 23 there are four setting on the periphery wall of roller 21
211。
As shown in figure 4, in order to adjust the rolling region of roller, the drum apparatus 2 further includes that coaxially slide is connected to
It adjusting sleeve 25 on 21 outer surface of roller and is connected to opposite for limiting adjusting sleeve 25 between adjusting sleeve 25 and roller 21
The limit assembly 26 that roller 21 moves axially.
As shown in Figure 4, it is preferred that the periphery wall of the roller 21 is equipped with more than two uniformly distributed along 21 circumferencial direction of roller
It is arranged and along the sliding slot 212 that 21 axial direction of roller is extended, the adjusting sleeve 25 is equipped with shape and quantity and sliding slot
212 convex blocks 251 to match, the convex block 251 are snug fit in sliding slot 212, and the limit assembly 26 is to be threadedly connected to
Dormant bolt in convex block 251, the lower end top pressure of the dormant bolt is on sliding slot 212.
As shown in Figure 1, in order to be rinsed to cylinder surface, the drum apparatus 2 further includes multiple being set to connection
On frame 22 and the water jet of aligns with drum 21 27, each water jet 27 with the water supplying unit phase that is positioned on paddy planter 1
Connection.
Specific implementation mode (two)：
A method of improving direct sowing of rice germination percentage, it is characterised in that：This approach includes the following steps：
1. basking seeds：Rice paddy seed is dried to the natural drying of 1-5 angel's seeds in the sun, is then 20~28 DEG C in temperature
Carry out ultraviolet sterilization under confined conditions, obtain aseptic seed；
2. impregnating：It will be small by impregnating 4~5 in clear water that step 1. treated seed rice is put into temperature is 15~17 DEG C
When, it is then placed in soaking disinfection in thimerosal, pulls flushing after 3~5 hours out, is dried spare；
3. vernalization：Step will be passed through, and 2. treated that seed rice is fitted into venting bags, close with being put into after clear water flushing 1~3 time
It closes 24 hours or more, takes out seed rice when seed exposes white bud and root does not expose spare in the container closed；
4. sowing：Step will be passed through, and 3. treated that seed rice is put into paddy planter 1, then moves paddy planter 1
To being sowed in rice field, according to the soft or hard degree of soil in rice field, injected centainly into liquid storage cylinder 23 by defeated liquid discharging tube 24
The water of amount enables drum apparatus 2 to sow paddy planter 1 in the seed rice indentation soil of rice field earth surfaces.
Preferably, step 2. in thimerosal use a concentration of 1% lime aqueous solution.
Preferably, step 2. in purging method be seed rice is put into Filter-screen bag, then in the clear water of flowing repeatedly
It rinses, until the thimerosal on seed rice surface is rinsed well.
Preferably, the step 3. in venting bags be woven bag or Nylon Bag.
Above-mentioned specific implementation mode is only explained in detail technical scheme of the present invention, the present invention not only only office
It is limited to above-described embodiment, any improvement or replacement of every principle according to the present invention should all be within protection scope of the present invention.
Claims (10)
1. a kind of device improving direct sowing of rice germination percentage, it is characterised in that：The device includes paddy planter (1) and connection
Drum apparatus (2) in paddy planter (1) rear, the drum apparatus (2) include roller (21) and are connected to roller
(21) both ends of the link (22) between paddy planter (1), the roller (21) are rotationally connected on link (22),
The drum apparatus (2) further include coaxial arrangement in roller (21) liquid storage cylinder (23) and be connected to liquid storage cylinder (23) and outside
Defeated liquid discharging tube (24) between portion.
2. the device according to claim 1 for improving rice germination percentage, it is characterised in that：The quantity of the liquid storage cylinder (23)
It is uniformly distributed setting for four and along the axial direction of roller (21), the quantity of the defeated liquid discharging tube (24) is four, each defeated
One end of liquid discharging tube (24) be connected respectively with a liquid storage cylinder (23) and the other end is placed on the end face of roller (21).
3. the device according to claim 2 for improving rice germination percentage, it is characterised in that：The periphery wall of the roller (21)
On set there are four being respectively used to observe the transparent observing window (211) of each liquid storage cylinder (23) interior level condition.
4. the device according to claim 1 for improving rice germination percentage, it is characterised in that：The drum apparatus (2) is also wrapped
Include adjusting sleeve (25) that coaxially slide is connected on roller (21) outer surface and be connected to adjusting sleeve (25) and roller (21) it
Between for limit adjusting sleeve (25) opposing roller (21) axial movement limit assembly (26).
5. the device according to claim 4 for improving rice germination percentage, it is characterised in that：The periphery wall of the roller (21)
It is equipped with the sliding slot that two or more is uniformly arranged along roller (21) circumferencial direction and is extended along roller (21) axial direction
(212), the adjusting sleeve (25) is equipped with the convex block (251) that shape and quantity match with sliding slot (212), the convex block
(251) it being snug fit in sliding slot (212), the limit assembly (26) is the dormant bolt being threadedly connected in convex block (251),
The lower end top pressure of the dormant bolt is on sliding slot (212).
6. the device according to claim 1 for improving rice germination percentage, it is characterised in that：The drum apparatus (2) is also wrapped
Include it is multiple be set on link (22) and the water jet of aligns with drum (21) (27), each water jet (27) be positioned over water
Water supplying unit on direct sowing of rice machine (1) is connected.
7. a kind of method improving direct sowing of rice germination percentage, it is characterised in that：This approach includes the following steps：
1. basking seeds：Rice paddy seed is dried to the natural drying of 1-5 angel's seeds in the sun, is then 20~28 DEG C close in temperature
Ultraviolet sterilization is carried out under the conditions of closing, and obtains aseptic seed；
2. impregnating：It will be by impregnating 4~5 hours in clear water that step 1. treated seed rice is put into temperature is 15~17 DEG C, so
After be put into soaking disinfection in thimerosal, pull flushing after 3~5 hours out, dry spare；
3. vernalization：Step will be passed through, and 2. treated that seed rice is fitted into venting bags, closed with being put into after clear water flushing 1~3 time
It closes 24 hours or more, takes out seed rice when seed exposes white bud and root does not expose spare in container；
4. sowing：Step will be passed through, and 3. treated that seed rice is put into paddy planter (1), then moves paddy planter (1)
To being sowed in rice field, according to the soft or hard degree of soil in rice field, the injection into liquid storage cylinder (23) by defeated liquid discharging tube (24)
A certain amount of water makes drum apparatus (2) that can sow paddy planter (1) in the seed rice indentation soil of rice field earth surfaces.
8. the method according to claim 7 for improving rice germination percentage, it is characterised in that：Step 2. in thimerosal use
A concentration of 1% lime aqueous solution.
9. the method according to claim 7 for improving rice germination percentage, it is characterised in that：Step 2. in purging method be
Seed rice is put into Filter-screen bag, is then rinsed repeatedly in the clear water of flowing, until the thimerosal on seed rice surface is rinsed well.
10. the method according to claim 7 for improving rice germination percentage, it is characterised in that：The step 3. in it is ventilative
Bag is woven bag or Nylon Bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443689.3A CN108617198B (en) | 2018-05-10 | 2018-05-10 | Device and method for improving direct seeding germination rate of rice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443689.3A CN108617198B (en) | 2018-05-10 | 2018-05-10 | Device and method for improving direct seeding germination rate of rice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108617198A true CN108617198A (en) | 2018-10-09 |
| CN108617198B CN108617198B (en) | 2021-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443689.3A Active CN108617198B (en) | 2018-05-10 | 2018-05-10 | Device and method for improving direct seeding germination rate of rice |
Country Status (1)
| Country | Link |
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| CN (1) | CN108617198B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496495A (en) * | 2018-12-28 | 2019-03-22 | 河北省林业科学研究院 | Oak class seed breeding device and implantation methods |
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| CA2049839A1 (en) * | 1991-06-18 | 1992-12-19 | Peter D. Almen | Seed bed packer implement |
| CN2375074Y (en) * | 1999-07-02 | 2000-04-26 | 赵成业 | Rice seeds dibbler |
| CN105123023A (en) * | 2015-09-10 | 2015-12-09 | 安徽同大现代农业科技园有限公司 | Sowing accelerating method for rapid sprouting and once-sowing full stand of direct-seeding rice |
| CN105401509A (en) * | 2015-12-14 | 2016-03-16 | 湖南三一路面机械有限公司 | Steel wheel type road roller and rolling wheel thereof |
| CN205430975U (en) * | 2015-12-09 | 2016-08-10 | 张国伟 | Hand seeder |
| CN207040181U (en) * | 2017-04-18 | 2018-02-27 | 三亚三力源生态农业有限公司 | A kind of efficient sowing machine |
| CN207305315U (en) * | 2017-08-25 | 2018-05-04 | 南京裕泉生态园林有限公司 | Rice Cropping machine |
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2018
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR592314A (en) * | 1925-02-02 | 1925-07-31 | Improvements in vibration machines | |
| DE2337695A1 (en) * | 1973-07-25 | 1975-02-06 | Koehring Gmbh Bomag Division | VIBRATION GENERATOR |
| CA2049839A1 (en) * | 1991-06-18 | 1992-12-19 | Peter D. Almen | Seed bed packer implement |
| CN2375074Y (en) * | 1999-07-02 | 2000-04-26 | 赵成业 | Rice seeds dibbler |
| CN105123023A (en) * | 2015-09-10 | 2015-12-09 | 安徽同大现代农业科技园有限公司 | Sowing accelerating method for rapid sprouting and once-sowing full stand of direct-seeding rice |
| CN205430975U (en) * | 2015-12-09 | 2016-08-10 | 张国伟 | Hand seeder |
| CN105401509A (en) * | 2015-12-14 | 2016-03-16 | 湖南三一路面机械有限公司 | Steel wheel type road roller and rolling wheel thereof |
| CN207040181U (en) * | 2017-04-18 | 2018-02-27 | 三亚三力源生态农业有限公司 | A kind of efficient sowing machine |
| CN207305315U (en) * | 2017-08-25 | 2018-05-04 | 南京裕泉生态园林有限公司 | Rice Cropping machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496495A (en) * | 2018-12-28 | 2019-03-22 | 河北省林业科学研究院 | Oak class seed breeding device and implantation methods |
| CN109496495B (en) * | 2018-12-28 | 2021-07-20 | 河北省林业和草原科学研究院 | Quercus seed breeding device and planting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108617198B (en) | 2021-10-08 |
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