CN204762543U - Tobacco seedling transplants protection device with adjust window - Google Patents
Tobacco seedling transplants protection device with adjust window Download PDFInfo
- Publication number
- CN204762543U CN204762543U CN201520174522.3U CN201520174522U CN204762543U CN 204762543 U CN204762543 U CN 204762543U CN 201520174522 U CN201520174522 U CN 201520174522U CN 204762543 U CN204762543 U CN 204762543U
- Authority
- CN
- China
- Prior art keywords
- cover
- window
- seedling
- protective device
- hole
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Protection Of Plants (AREA)
Abstract
The utility model provides a tobacco seedling transplants protection device with adjust window, the device is arranged tobacco seedling in and is transplanted conduct hole cover use on the hole, including the cover body that has the holding chamber, the cover body coupling covers top and cover edge, and the cover is personally experienced sth. Part of the body and is connected the cover top respectively and cover the edge, the cover is along pasting the border that touches the hole mouth, the side of the cover body is equipped with the regulation window, it is equipped with seal structure to adjust the window. The utility model discloses having realized not only that tobacco seedling transplants the fertile effect of required heat preservation, bao shui and guarantor, having avoided loaded down with trivial details rupture of membranes and the operation of drawing the seedling, reduced because draw the disease spread that the seedling operation brought, the extreme disasters weather during the transplantation is crossed to help tobacco seedling degree of safety, in addition based on the regulation window that sets up at cover side face conveniently humidity and temperature in the adjusting device, further improves flue -cured tobacco's resistance and resistance against diseases.
Description
Technical field
The utility model relates to a kind of cigarette transplantation of seedlings protective device being provided with adjustment window.
Background technology
In order to improve soil temperature, water conservation soil conservation, fertilizer conservation, raising fertilizer efficiency, usually at covered ground film (mulch film), mulch film has the short length of mulch and waits effect.But a large amount of plastic film covered in field is difficult to reclaim, after crop harvesting, mulch film remains in soil, be difficult to degraded, pollution and harm is caused to soil, stretching especially along with plasticiser disturbance, whether mulch film cannot sedimentation can cause content of plasticizing agent in soil too high and the problem affecting the health of people makes us extremely worrying.
Mulch film is widely used in the cultivation aspect of cigarette seedling.Transplanting is the key link of tobacco leaf production aspect.Tobacco growers are often one of transplanting five high pointes being classified as tobacco leaf production, significant.Because cigarette seedling is to very temperature sensitive reason, if when ambient air temperature is lower than about 8 DEG C, easily causes the early blossoming of cigarette seedling, cause the reduction of income and Quality Down, so usually adopt plastic mulching in transplanting process.General according to transplanting time requirement, deep plough to plot in good time, carefully harrow, high ridging, transplant cigarette seedling, cover mulch film, mulch film againsts soil.The same day beats the pool, the same day transplant, the same day epiphragma.This mode is transplanted, and the growing space of cigarette seedling is very limited, and mulch film will soon hinder tobacco seedling growth, so need rupture of membranes and draw seedling, breaks the hole of 5 ~ 6 centimetres, drawn out by the leaf of cigarette seedling above cigarette seedling.This mode of operation is more loaded down with trivial details, and time limit requires relatively stricter (not so cigarette seedling easily occurs and presses close to mulch film generation burning seedling), and the operation of drawing seedling easily causes again the propagation of disease and the damage of cigarette seedling.
The little transplantation of seedlings of flue-cured tobacco " Jing Jiao " formula is the new paragon of a kind of mulch film cigarette transplantation of seedlings, first ridging covering with plastic film, be coated with the face, ridge of mulch film by prescribed distance well-digging cellar for storing things, then cigarette seedling is put into hole, cover cigarette shoot root portion matrix with a small amount of fine earth, cigarette seedling leaf can not stretch out outside hole, when the blade of cigarette seedling grows after outside hole completely, use wet soil sealing of hole and mulch film mouth again, other management is identical with conventional mulch film cigarette.Simultaneously this mode is first punched in face, ridge and mulch film, and cigarette seedling is growth in " Jing Jiao ".Only preserve plastic mulching at the soil locations do not punched, the form that the mouth of " Jing Jiao " opens wide is unfavorable for being incubated preserve moisture and fertility, limited efficiency.
In fact; rupture of membranes and the period after drawing seedling are approximately annual by the end of February to the beginning of March; cigarette seedling also often can run into some extreme weathers (frost and ice damage etc.), and existing cultivation method cannot avoid extreme weather to the damage of cigarette seedling, causes the reduction of income and quality of tobacco to decline.
Moreover, no matter to transplant under traditional film or " Jing Jiao " formula is transplanted, all use mulch film, because mulch film is very thin, behind exposing to the weather after a while, cannot reclaim at all, the same with other crop film-mulching cultivations, insurmountable problem is that mulch film remains in soil, is difficult to degraded, causes pollution and harm to soil.
Utility model content
The technical problems to be solved in the utility model is to overcome existing cigarette transplantation of seedlings technical deficiency; a kind of protective device being applicable to cigarette transplantation of seedlings is provided; the humidity of the conveniently adjusted tobacco seedling growth environment of described device, and specific aim solves heating cold-resistant problem and overcoming the soil pollution defect that plastic mulching causes in cigarette transplantation of seedlings process.
Above-mentioned purpose of the present utility model is achieved by the following technical programs:
There is provided a kind of and be provided with the cigarette transplantation of seedlings protective device regulating window, described device is placed on cigarette transplantation of seedlings hole and uses as hole cover, comprises the cover body with accommodating cavity, and cover body connects cover top and cover edge, and described cover is along the edge pasting contact hole cave mouth; The side of described cover body is provided with adjustment window, and described adjustment window is provided with hermetically-sealed construction.
Preferably, described adjustment window is perforate, and described hermetically-sealed construction is the seal cover of seal and opening.
Preferably, described seal cover is provided with projection.
Or preferably, the seal cover of described adjustment window is provided with syndeton and connects cover body.
The projection of above-mentioned seal cover or access node structure can as the handles of protective device, and seal cover is opened from adjustment window or closed and regulates window by handled easily person.
Preferably, the area of described adjustment window is 0.5 ~ 1cm
2.
Further preferably, the number regulating window is 1 ~ 4.
Described hole can be the various shapes such as square, oval, circular, polygon, and the shape in its port lid and described hole is suitable.Preferably, described hole is circular hole.Described hole can be on cover top or cover body, directly cut open a hole, by the part self-assembling formation seal cover cut open; Also the seal cover that sealing regulates window can be designed in addition.
Preferably, the degree of depth of described cover body is 8 ~ 12cm, and the diameter of cover body is 18 ~ 20cm, and the width on described cover edge is 1 ~ 2cm.
Preferably, described cover body is semicircle or close to semicircle.
Preferably, described cover body is also provided with the groove with seal cover adaptation, seal cover can embed groove after opening conversely.Seal cover automatic-sealed is so just avoided to regulate window.
Preferably, described cover body is semicircle.Cigarette transplantation of seedlings protective device scientific offering is semicircle by the utility model, and in the manufacture situation of equivalent material amount, this protective device provides maximum space for tobacco seedling growth.
Described device in use; first soil punching is formed hole; the aperture in hole is about 8 ~ 10cm; the degree of depth is about 18 ~ 20cm; preferably when cigarette seedling grows to " five leaf one cores ", cigarette transplantation of seedlings is entered hole; cover hole mouth with the utility model device, bury the described cover edge for the broadside protective device of the anti-low temperature of cigarette seedling with soil, prevent protective device from will being moved or being blown away.This protective device can reclaim easily and reuse.Can stack up one by one during recovery and conveniently deposit and transport.When the utility model device adopts light transmissive material to be prepared from.Such as adopt the material preparing disposable plastic bowl or water tumbler.Conveniently according to the moisture situation in protective cover, adjustment window can be opened easily, by regulating window to distribute portion of water, or regulate case temperature, or utilize seal cap sealing minor adjustment window, pin moisture in cover.
The beneficial effects of the utility model are as follows:
What the utility model provided is provided with the cigarette transplantation of seedlings protective device regulating window; be placed on cigarette transplantation of seedlings hole and use as hole cover; the utility model achieves the effect of insulation required for cigarette transplantation of seedlings, water conservation and fertilizer conservation; can recycle and reuse; do not use mulch film, solve mulch film and remain in soil the problem of environmental pollution that being difficult to degrades causes.
The utility model is for the growth characteristics of cigarette seedling, the hole that the protective cover of design not only structure is applicable to cigarette seedling is transplanted, overcome the defect that mulch film brings, and the degree of depth of described cover body accurately determining described protective device is 8 ~ 12cm, the diameter of cover body is 18 ~ 20cm, adopt light transmissive material, form printing opacity vault, be 1 ~ 2cm at the width on described cover edge, growth time is had more about about 20 days than existing mulch film transplanting method after the space that the protective cover dimensions of careful design is formed can ensure cigarette transplantation of seedlings, ensure that the cigarette seedling of transplanting grows to when the blade on cigarette seedling top is about to touch cover top from " five leaf one cores ", just in time that temperature gets warm again after a cold spell the time, the growth period slitless connection " going out cover " with the weather got warm again after a cold spell and cigarette seedling after opening protective cover, open described protective device, economic and practical.The utility model avoids loaded down with trivial details rupture of membranes and draws the operation of seedling, decrease and operate because draw seedling the disease spread brought, ensure that cigarette seedling avoids suffering the destruction of the extreme disasters weather such as frost ice damage (easily occurring during this period of time from transplanting to early and middle ten days in March).
Cover body is offered and regulates window and seal cover is set; can easily according to the moisture situation in protective cover; open seal cover easily; portion of water is distributed by the adjustment window at cover body place; or utilize seal cap sealing to regulate window; pin moisture in cover, the application demand that more gears to actual circumstances realize the functions such as the water conservation of protective device, and case temperature can be regulated simultaneously.
Further, being semicircle by the profile design of overall cover body, like this under the preparation condition of equivalent material amount, can be that cigarette seedling obtains growing space in maximum cover.
Further, semicircular hood top design and back down to establish to regulate window and arrange sealing seal cover at cover and also ensure that the specialized application of this device, avoids being taken away divert to other purpose by from cigarette transplantation of seedlings.
Further; after adopting the utility model to cover the cigarette seedling after transplanting as protective device; when spraying herbicide or other agricultural chemicals; can by weed killer herbicide or other pesticide sprayings on furrow face; because cigarette seedling is in protective cover, spray less than and protected, furrow face is owing to having sprayed agricultural chemicals; grass seeds one is sprouted, and touches weed killer herbicide or other agricultural chemicals are just killed.And in prior art, if do not adopt safeguard measure, cigarette seedling contact weed killer herbicide or other agricultural chemicals, be all difficult to avoid coming to harm, if adopt mulch film, weed killer herbicide or other agricultural chemicals cannot relate to again furrow face, do not play weeding or other effects of removing the evil.So, compared with prior art, adopt the utility model device to achieve significant progress!
Accompanying drawing explanation
Fig. 1 the utility model apparatus structure schematic diagram.
Fig. 2 the utility model apparatus structure schematic diagram (being provided with groove).
Fig. 3 cover body is semicircular the utility model apparatus structure schematic diagram.
Fig. 4 cover body is semicircular the utility model apparatus structure schematic diagram, and seal cover is provided with connector and connects cover body.
Fig. 5 the utility model covers in schematic diagram behind hole.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the utility model can be implemented by the multitude of different ways covered based on the utility model design philosophy.The utility model embodiment accompanying drawing, only for exemplary illustration, can not be interpreted as restriction of the present utility model.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Embodiment 1
In order to improve soil temperature, water conservation soil conservation, fertilizer conservation, raising fertilizer efficiency, usually at covered ground film, the normally transparent or black PE film of mulch film, also has green, silver thin film.For the seedling of being just unearthed, there is the short length of mulch and wait effect.But mulching film planting covers a large amount of plastic films in field, after crop harvesting, mulch film remains in soil, be difficult to reclaim, also be difficult to degraded, lump together with soil, such soil species crop all can affect the growth of root system of plant and absorb nutrient, and pollution and harm is caused to soil, stretching especially along with plasticiser disturbance, mulch film cannot sedimentation content of plasticizing agent in soil whether can be caused too high and affect people health still in detection, troubling.Because cigarette seedling is to very temperature sensitive reason, usually adopts plastic mulching in transplanting process, there are the problems referred to above equally.Moreover, the mulch film being adjacent to upper soll layer covering can not give cigarette seedling 6 enough growing spaces, be easy to cause burning seedling, even " Jing Jiao " formula of employing is transplanted, also need carry out rupture of membranes in time and draw seedling to ensure the growing space of cigarette seedling, cause the propagation of operational loaded down with trivial details and disease, and to drawing the damage of seedling operation to cigarette seedling.The cigarette seedling drawing out mulch film still cannot avoid suffering frost the destruction of the extreme disasters weather such as ice damage, cause early blossoming to make the tobacco leaf reduction of income or Quality Down.
For overcoming existing cigarette transplantation of seedlings technical deficiency; the present embodiment provides a kind of and is provided with the cigarette transplantation of seedlings protective device regulating window; be placed on cigarette transplantation of seedlings hole and use as hole cover, as shown in Figure 1, described device comprises the cover body 1 with accommodating cavity; cover body 1 connects cover top 3 respectively and covers along 2; the degree of depth of described cover body 1 is 8 ~ 12cm, and the diameter of cover body 1 is 18 ~ 20cm, adopts light transmissive material; form printing opacity vault, described cover is 1 ~ 2cm along the width of 2.The width design just in time convenient effect native cover shroud edge being played sealing and fixing protector on cover edge.The side of described cover body 1 is provided with the seal cover 9 regulating window 8 and sealing to regulate window.Preferably, seal cover 9 is provided with protruding 11, is easy to open or covers the operation of seal cover 9.
The area of described adjustment window 8 is 0.5 ~ 1cm
2.
Described adjustment window 8 can be the various shape such as square, oval, circular, and its seal cover 9 is suitable with the shape of described adjustment window 8.
Embodiment 2
Other are with shown in embodiment 1, unlike, described cover top 3 is also provided with groove 12, as shown in Figure 2, after being opened by described seal cover 9, the bossing of seal cover 9 can be embedded groove 12.
Embodiment 3
Other are with shown in embodiment 1, unlike, be semicircle on described cover top 3.Arrange at semicircular Zhao Ding center and regulate window 8 and the seal cover 9 regulating window 8 can be closed.
The manufacture method of described seal cover 9 and adjustment window 8 can be: cutting out an area on cover top 3 is 0.5 ~ 1cm
2adjustment window 8, the part cut out forms seal cover 9, but not exclusively cut, stays a part as connection seal cover 9 and the connector 10 covering top 3.When needing sealing adjustment window 8, seal cover is pressed go back to the position originally cut out.As shown in accompanying drawing 3 and accompanying drawing 4.
The utility model includes but not limited to the arbitrary example of above-described embodiment 1 to 3, the cigarette transplantation of seedlings protective device being provided with adjustment window provided in use, first soil 5 is punched and form hole 7, the aperture in hole 7 is about 8 ~ 10cm, the degree of depth is about 18 ~ 20cm, preferably when cigarette seedling 6 grows to " five leaf one cores ", cigarette seedling 6 is transplanted into hole 7, the broadside protective device being used for the anti-low temperature of cigarette seedling through the utility model covers hole mouth, as shown in Figure 5, (not indicating in figure) described cover for the broadside protective device of the anti-low temperature of cigarette seedling is buried along 2 with soil, can prevent protective device from moving well or be blown away.This protective device can reclaim easily and reuse.If be provided with hole and seal cover at top, cover top 3, regulate the humidity and temperature situation in protective device more easily.
The utility model provides protective device; as shown in Figure 5; be placed on cigarette transplantation of seedlings hole 7 and use as hole cover; the utility model achieves the effect that cigarette seedling 6 transplants required insulation, water conservation and fertilizer conservation; can recycle and reuse; do not use mulch film, solve mulch film and remain in soil 5 and be difficult to the problem of environmental pollution caused of degrading.
The utility model is for the growth characteristics of cigarette seedling 6, the hole that the protective cover of design not only structure is applicable to cigarette seedling 6 is transplanted, overcome the defect that mulch film brings, and the degree of depth of cover body 1 accurately determining described protective device is 8 ~ 12cm, the diameter of cover body 1 is 18 ~ 20cm, adopt light transmissive material, form printing opacity vault, be 1 ~ 2cm at the width of described cover along 2, the space that the protective cover dimensions of careful design is formed can ensure that cigarette seedling 6 has more growth time about about 20 days than existing mulch film transplanting method after transplanting, ensure that the cigarette seedling 6 of transplanting grows to when the blade on cigarette seedling 6 top is about to touch cover top from " five leaf one cores ", just in time that temperature gets warm again after a cold spell the time, with the weather of improvements and the growth period slitless connection of cigarette seedling 6 " going out cover " after opening protective cover, open described protective device, economic and practical.Offer on cover top 3 and regulate window 8 and sealing seal cover 9 is set; can easily according to the moisture situation in protective cover; open seal cover easily; portion of water is distributed by the hole at cover top place; or seal with seal cover 9 and regulate window 8; pin cover in moisture, the application demand that more gears to actual circumstances realize the functions such as the water conservation of protective device.
The utility model avoids loaded down with trivial details rupture of membranes and draws the operation of seedling, decrease and operate because draw seedling the disease spread brought, ensure that cigarette seedling 6 avoids suffering the destruction of the extreme disasters weather such as frost, ice damage (easily occurring during this period of time from transplanting to early and middle ten days in March).The hole of the with closure arranged on cover top can humidity easily in adjusting device, improves resistance and the resistance against diseases of cigarette strain further.
Meanwhile, the design of semicircular hood top shown in embodiment 3, backs down to establish at cover and regulates window and arrange the specialized application that sealing seal cover also ensure that this device, avoids being taken away divert to other purpose by from cigarette transplantation of seedlings.Compare through field trial; with the protective cover of flat-top, do not offer the protective cover regulating window applicable cases compared with; semicircle of the present utility model, band perforate and the removed situation of diverting to other purpose of protective device of seal cover greatly reduce, and protect cigarette seedling safety well, spend transplanting vegetative period to high-quality.
Further; after adopting the utility model to cover the cigarette seedling after transplanting as protective device; when spraying herbicide or other agricultural chemicals; can by weed killer herbicide or other pesticide sprayings on furrow face; because cigarette seedling is in protective cover, spray less than and protected, furrow face is owing to having sprayed agricultural chemicals; grass seeds one is sprouted, and touches weed killer herbicide or other agricultural chemicals are just killed.And in prior art, if do not adopt safeguard measure, cigarette seedling contact weed killer herbicide or other agricultural chemicals, be all difficult to avoid coming to harm, if adopt mulch film, weed killer herbicide or other agricultural chemicals cannot relate to again furrow face, do not play weeding or other effects of removing the evil.So, compared with prior art, adopt the utility model device to achieve significant progress.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included in of the present utility model comprising within scope.
Claims (9)
1. be provided with the cigarette transplantation of seedlings protective device regulating window, it is characterized in that, described device is placed on cigarette transplantation of seedlings hole and uses as hole cover, comprises the cover body with accommodating cavity, and cover body connects cover top and cover edge, and described cover is along the edge pasting contact hole cave mouth; The side of described cover body is provided with adjustment window, and described adjustment window is provided with hermetically-sealed construction.
2. be provided with the cigarette transplantation of seedlings protective device regulating window according to claim 1, it is characterized in that, the area of described adjustment window is 0.5 ~ 1cm
2.
3. be provided with the cigarette transplantation of seedlings protective device regulating window according to claim 1, it is characterized in that, described adjustment window is perforate, and described hermetically-sealed construction is the seal cover of seal and opening.
4. according to claim 1 or 3, be applicable to the protective device of cigarette transplantation of seedlings, it is characterized in that, described adjustment window is circular hole.
5. be provided with the cigarette transplantation of seedlings protective device regulating window according to claim 4, it is characterized in that, the number regulating window is 1 ~ 4.
6. be provided with the cigarette transplantation of seedlings protective device regulating window according to claim 1, it is characterized in that, the seal cover of described adjustment window is provided with syndeton and connects cover body.
7. according to any one of claim 1,2,3 or 6, be provided with the cigarette transplantation of seedlings protective device regulating window, it is characterized in that, the number regulating window is 1 ~ 4.
8. be provided with the cigarette transplantation of seedlings protective device regulating window according to claim 1, it is characterized in that, the degree of depth of described cover body is 8 ~ 12cm, and the diameter of cover body is 18 ~ 20cm, and the width on described cover edge is 1 ~ 2cm.
9. according to any one of claim 1,5 or 7, be provided with the cigarette transplantation of seedlings protective device regulating window, it is characterized in that, described cover body is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174522.3U CN204762543U (en) | 2015-03-26 | 2015-03-26 | Tobacco seedling transplants protection device with adjust window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174522.3U CN204762543U (en) | 2015-03-26 | 2015-03-26 | Tobacco seedling transplants protection device with adjust window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204762543U true CN204762543U (en) | 2015-11-18 |
Family
ID=54502715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520174522.3U Expired - Fee Related CN204762543U (en) | 2015-03-26 | 2015-03-26 | Tobacco seedling transplants protection device with adjust window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204762543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171664A (en) * | 2016-07-04 | 2016-12-07 | 湖北省烟草科学研究院 | One temperature control that grows tobacco inspires bowl |
-
2015
- 2015-03-26 CN CN201520174522.3U patent/CN204762543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171664A (en) * | 2016-07-04 | 2016-12-07 | 湖北省烟草科学研究院 | One temperature control that grows tobacco inspires bowl |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103125243B (en) | Method for raising seedlings of camellia chrysantha plants by top grafting | |
| CN105941065B (en) | Soft seed pomegranate greenhouse planting method | |
| CN102124924B (en) | Method for planting organic rice | |
| CN103081710B (en) | Tobacco half-film-covering cultivation method | |
| CN101416593A (en) | Single-node cutting seed-raising method of tea plant | |
| CN103340070A (en) | Standardized planting technology of polygonatum | |
| CN103039242A (en) | Pollution-free and high-yield cultivation method for corns | |
| CN103518584A (en) | Method for cultivating table grapes in high-cold and high-latitude area in winter | |
| CN104584836A (en) | Secondary fruit setting cultivation method of Hami melons | |
| CN103975735B (en) | A kind of tulip seed balls breeds rejuvenation production method | |
| CN204762544U (en) | Multi -functional tobacco seedling transplants protection device | |
| CN103503666A (en) | Redrlowered loropetalum cutting propagation method | |
| CN109429853A (en) | A kind of Propagation of Actinidia Arguta By Green Cutting method | |
| CN204598647U (en) | Replanting system under seedling cap | |
| CN104969776A (en) | Intensification root-breaking grafting and seedling cultivating method for thin-skinned melons | |
| CN111727753B (en) | Method for quickly growing seedlings and cultivating golden camellia | |
| CN204762543U (en) | Tobacco seedling transplants protection device with adjust window | |
| CN204762540U (en) | Prevent that tobacco seedling who burns transplants protection device | |
| CN103329718B (en) | Protected area watermelon continuous cropping no-tillage cultivation method | |
| CN104620742B (en) | Replanting system under a kind of seedling cap | |
| CN204762542U (en) | Tobacco seedling who takes trompil small cap transplants protection device | |
| CN104303918A (en) | Regenerated rice cultivation method | |
| CN204762539U (en) | Tobacco seedling transplants protection device with annular arris structure | |
| CN204598845U (en) | A kind of broadside protective device for the anti-low temperature of tobacco | |
| CN106613919B (en) | Hybrid corn seed breeding process under a kind of low temperature environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |