CN104170708B - A kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising - Google Patents
A kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising Download PDFInfo
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- CN104170708B CN104170708B CN201410456061.9A CN201410456061A CN104170708B CN 104170708 B CN104170708 B CN 104170708B CN 201410456061 A CN201410456061 A CN 201410456061A CN 104170708 B CN104170708 B CN 104170708B
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Abstract
The invention discloses a kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, improve nursery on the basis of existing float seedling method of cured tobacco, the nursery nutritional solution depth of water is 2.5～3.5cm；The difference draining seedling exercising when tobacco seedling growth to grand cross and seedling standard；During little cross, by day seedling growth greenhouse both sides are open to bottom-up 1/5～1/3 and sentence and be aerated；Seedling growth greenhouse both sides are open to during grand cross 1/3～1/2 by day bottom-up sentence and be aerated.The present invention is on the basis of floating seedlings, use shallow water, ventilate seedling raising manners in advance, be conducive to saving fertilizer, strong sprout, rush root, and effectively prevent and treat moss, raised an infant Seedling can effectively alleviate the inferior position just bringing tobacco seedlings transplanted seedling bigger than normal or less than normal because of temperature, is particularly well-suited to well cellar for storing things formula and transplants.
Description
Technical field
The present invention relates to a kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, belong to growing nursery and culture and the applied technical field of flue-cured tobacco.
Background technology
Floating seedling cultivation of fire-cured tobacco, as a kind of tobacco seedlings method of similar batch production, has that seedling is fast, reduce the superioritys such as labor intensity, and the tobacco seedlings after simultaneously cultivating has that regularity is good, well developed root system, and returns the features such as the Seedling time is short after transplanting.Floating seedling cultivation of fire-cured tobacco technology after the eighties introduces China from last century, is just widelyd popularize, and is achieved bigger benefit in flue-cured tobacco intensive seedling production technology.
Flue-cured tobacco well cellar for storing things formula seedling transplantation technique is to use special well-digging device, diameter 8-10 centimetre, the Jing Jiao of deep 18-20 centimetre is beaten by regulation spacing in the rows in cigarette alley face, then by stem height 3-4cm, 5 true leaves, tobacco seedlings of leaf-cutting is lost in hand-hole, and during transplanting, every strain nursery is used 100-150ml and determined root water.This technology is on the basis of covering with ground sheeting or outdoor cropping, merge seedling transplantation technique, deeply plant technology, reduce seedling raise period, the soil moisture of suitable tobacco seedling growth, humidity environment are preferably built, promote tobacco seedlings early growth and quick tiller, ensure that the optimum period of flue-cured tobacco early plants, improve transplanting efficiency, strengthen drought-resistant ability, alleviate pest and disease damage and occur, reach to subtract work fall this, the effect of upgrading potentiation.Therefore this technology is promoted in recent years the most widely, but requires tobacco seedlings seedling age less than 45 days when this technology is transplanted, and cane is high 35 centimetres, height of seedling 6-8 centimetres, carries 34 green functional leaves, without scab on leaf, rhizome is without black stem and root black rot, tobacco seedling growth is neat, size uniformity, cane height appropriateness, well developed root system, white, side root is many, without obvious main root, seedling well cellar for storing things formula is transplanted or transplanted the general requirement to tobacco seedlings under film is that leaf yellow skin is green, erects and launches；Well developed root system, side root is many, and growth is neat, and size is uniform, the anosis of the right age Seedling of nontoxic health.If there is excessive or too small phenomenon in tobacco seedlings when transplanting; normal transplanting will be affected; subsequent production flue cured tobacco quality is also had adverse influence; the cursory seedling-raising technique of existing flue-cured tobacco is bigger due to the impact of climate factor; the phenomenon that when the most often occurring in predetermined transplanting time, tobacco seedlings is excessive or too small, impact is normal transplants.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, the prosperous length of tobacco seedlings brought because of high temperature can be controlled, can avoid again causing tobacco seedlings thin and weak because of low temperature, can transplant for flue-cured tobacco well cellar for storing things formula and the tobacco seedlings of suitable size is provided, affect the normal problem transplanted to overcome the impact of nursery growing way climate factor in existing floating seedling cultivation of fire-cured tobacco technology.
The technical scheme is that
A kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, improve nursery on the basis of existing float seedling method of cured tobacco, and the nursery nutritional solution depth of water is 2.5～3.5cm；The difference draining seedling exercising when tobacco seedling growth to grand cross and seedling standard；During little cross, by day seedling growth greenhouse both sides are open to bottom-up 1/5～1/3 and sentence and be aerated；Seedling growth greenhouse both sides are open to during grand cross 1/3～1/2 by day bottom-up sentence and be aerated.
Aforementioned employing syllogic adds water fertilizer, and respectively when sowing, little cross and grand cross, add fertile amount is all 180 grams/48 dishes every time.
The aforementioned seedling exercising time wilts specific to tobacco seedlings blade noon, sooner or later can recover again to be advisable.
Beneficial effects of the present invention:
The present invention is on the basis of floating seedlings, uses shallow water, in advance ventilation and the seedling raising manners of seedling exercising, and this kind of mode has several advantages that
1, nursery Depth Nutrient Solution is 2.5～3.5cm in the present invention, and the Depth Nutrient Solution of compared with normal floating seedlings is shallow, and this kind of mode not only has minimizing fertilizer amount, and the benefit of saving water resource is additionally favorable for seedling exercising simultaneously, can promote the growth of tobacco root system.
2, the present invention starts draining seedling exercising when tobacco seedling growth to grand cross, floating seedlings just starts the present situation of seedling exercising when tobacco seedlings seedling relatively at present, can play and control tobacco seedlings growing way and promote the effect of tobacco root system growth, and controlling tobacco seedlings growing way can be that more transplanting time is striven in the late well cellar for storing things little transplantation of seedlings of formula, after promoting tobacco root system growth that tobacco seedlings can be made to transplant, survival rate and growing way are preferable.
3, in the present invention, the seedling exercising time wilts specific to tobacco seedlings blade noon, when sooner or later can recover again, both can guarantee that effective seedling exercising, is unlikely to again to make tobacco seedlings wither, and then affects the normal growth of tobacco seedlings.
4, tobacco seedlings was just aerated in the little cross phase, and the mode that this kind ventilates in advance can reduce the temperature in seedling growth greenhouse, controlled the growing way of tobacco seedlings, allowed tobacco seedlings progressively adapt to external environment in advance, it is possible to strengthen the antibiotic property of tobacco seedlings simultaneously.
5, the ventilation that seedling growth greenhouse is opened wide more greatly by tobacco seedlings in the grand cross phase, it is possible to further make seedling growth greenhouse internal medium combine together with external environment, thus reach more preferably control tobacco seedlings growing way and prevent the effect of moss.
6, add fertile amount is 180 grams/48 dishes (as a example by 160 aperture specification seedlings nursing plates) every time, can meet the needs of tobacco seedling growth, be unlikely to again waste.
In sum, the present invention uses shallow water, the in advance seedling raising manners of ventilation and seedling exercising to be conducive to saving fertilizer, strong sprout, rush root, and effectively prevent moss, raised an infant Seedling can effectively alleviate the inferior position just bringing tobacco seedlings transplanted seedling bigger than normal or less than normal because of temperature, being particularly well-suited to well cellar for storing things formula transplant, the method for the invention is also applied for all kinds of seedling growth greenhouse of large, medium and small type.
Detailed description of the invention
Embodiment:
A kind of shallow water of the present invention, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, improve on the basis of float seedling method, the basic operations such as sterilization, sabot, sowing, thinning and final singling are strictly carried out by floating seedlings rule of operation, and the nursery nutritional solution depth of water is 2.5～3.5cm；The draining seedling exercising when tobacco seedling growth has 4 true leaves, the seedling exercising time wilts to tobacco seedlings blade noon, sooner or later can recover again to be advisable, water is added after seedling exercising, and floating disc is added the fertile amount of 180 grams/48 dishes (as a example by 160 aperture specification seedlings nursing plates), it is open at 1/5～1/3 be aerated by seedling growth greenhouse both sides when temperature is higher by day simultaneously；When tobacco seedling growth to grand cross, again add the fertile amount of 180 grams/48 dishes, and be open to seedling growth greenhouse both sides at 1/3～1/2 when temperature is higher by day be aerated；The seedling exercising again when tobacco seedling growth to seedling standard, method is identical with first time.
When tobacco seedling growth to grand cross and seedling standard, each seedling exercising is once respectively for the present invention.Concrete operations are: first discharge the rich water in seedbed, and tobacco seedlings is slowly dried along with moisture slow evaporation, substrate, and tobacco seedlings blade is wilted noon by the time, terminates seedling exercising when sooner or later can recover again, supplements the rich water discharged.During seedling exercising, tobacco seedlings is by decreased growth after mild drought, but can promote root growth, and after transplanting, the drought resistance of tobacco seedlings will greatly improve, and the survival rate of tobacco seedlings will be higher.
In the present invention, fertilizer uses the special flue-cured tobacco seedling-cultivating in Guizhou province fertile；The nursery nutritional solution depth of water is 2.5～3.5cm, make the seedling medium most of the time be maintained at hands pinch agglomerating relieving i.e. dissipate be suitable to tobacco seedling growth state；The present invention is to be aerated seedling growth greenhouse in the case of temperature is higher by day, is not aerated in the evening that temperature is relatively low.
Claims (2)
1. shallow water, in advance ventilation and a cured tobacco seedling culturing method for seedling exercising, store formula transplanting Seedling standard for flue-cured tobacco well, improve nursery on the basis of existing float seedling method of cured tobacco, it is characterised in that: the nursery nutritional solution depth of water is 2.5～3.5cm；The difference draining seedling exercising when tobacco seedling growth to grand cross and seedling standard；Seedling growth greenhouse both sides are open to during the little cross of tobacco seedlings 1/5～1/3 by day bottom-up sentence and be aerated；Seedling growth greenhouse both sides are open to during tobacco seedlings grand cross 1/3～1/2 by day bottom-up sentence and be aerated；Using syllogic to add water fertilizer, respectively when sowing, little cross and grand cross, add fertile amount is all 180 grams/48 dishes every time.
A kind of shallow water the most according to claim 1, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising, it is characterised in that: the seedling exercising time wilts, when sooner or later can recover again specific to tobacco seedlings blade noon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410456061.9A CN104170708B (en) | 2014-09-10 | 2014-09-10 | A kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410456061.9A CN104170708B (en) | 2014-09-10 | 2014-09-10 | A kind of shallow water, in advance ventilation and the cured tobacco seedling culturing method of seedling exercising |
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| CN104170708A CN104170708A (en) | 2014-12-03 |
| CN104170708B true CN104170708B (en) | 2016-08-31 |
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| CN106718276A (en) * | 2016-12-09 | 2017-05-31 | 贵州省烟草公司遵义市公司 | It is a kind of to promote well cellar for storing things formula to transplant the method that tobacco seedlings adventitious root occurs |
| CN108353778A (en) * | 2018-01-05 | 2018-08-03 | 湖南省烟草公司湘西自治州公司 | A kind of floating tobacco seedling raising pond inflation dehydration device and use its hardening off method |
| CN108207595A (en) * | 2018-01-05 | 2018-06-29 | 湖南省烟草公司湘西自治州公司 | A kind of fence type inflation dehydration hardening device and the method using its hardening |
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| FR2671455B1 (en) * | 1991-01-10 | 1993-04-30 | Ind Tabacs Allume Exploit | IMPROVEMENT IN THE PRODUCTION OF TOBACCO PLANTS ACCORDING TO THE FLOATING SYSTEM. |
| CN1849867A (en) * | 2006-05-24 | 2006-10-25 | 湖南烟草公司湘西自治州公司 | Tobacoo plate-overlapping seedling-cultivation technology and device |
| CN103828699B (en) * | 2014-03-12 | 2016-03-23 | 中国烟草总公司福建省公司 | A kind of improvement method of cigarette seedling floating seedlings |
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