CN105917934A - Delayed planting method for temporary planting of tobacco seedlings - Google Patents
Delayed planting method for temporary planting of tobacco seedlings Download PDFInfo
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- CN105917934A CN105917934A CN201610321830.3A CN201610321830A CN105917934A CN 105917934 A CN105917934 A CN 105917934A CN 201610321830 A CN201610321830 A CN 201610321830A CN 105917934 A CN105917934 A CN 105917934A
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- tobacco seedlings
- seedling
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- 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
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- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
Abstract
The invention relates to a delayed planting method for temporary planting of tobacco seedlings, belongs to the technical field of culture of flue-cured tobacco. According to the method, a seedling raising pot is used for temporary planting of the tobacco seedlings, centralized water and fertilizer management is performed, shading is performed with a sunshade net, influence of direct strong sunshine and dry and hot air on the tobacco seedlings is avoided, and normal growth of the tobacco seedlings is guaranteed. Meanwhile, transplanting with soil is performed before a vigorous growth stage of the tobacco seedlings, completeness of root systems of the tobacco seedlings is guaranteed, vigorous growth is started rapidly, normal growth and development of the tobacco seedlings is guaranteed, and the yield and quality of the flue-cured tobacco are improved. The method is simple and convenient to operate, less cost is invested, field production can be delayed in a drought period of the flue-cured tobacco, the influence of bad climate of the field on growth of the flue-cured tobacco is avoided, and time guarantee is provided for maturity of preceding crops.
Description
Technical field
The present invention relates to a kind of tobacco seedlings and heel in delayed cultivation method, belong to flue-cured tobacco cultivation technical field.
Background technology
Flue-cured tobacco, annual or limited perennial herb, Solanaceae.Petiole is inconspicuous or becomes aliform handle.Panicle top is raw.Calyx
Tubular or tubular are bell, corolla funnel-form, end pink.Capsule, seed is circular or wide square circular, yellowish-brown.Originate in
South America, has cultivation all over the world.Nicotiana tabacum L. is the raw material of tobacco industry.Flue-cured tobacco is an important agricultural production in China industrial crops
Product, are the primary raw materials of production of cigarettes, are also one of large agricultural product of China's export, and China's cultivated area and total output occupy generation
The 1st, boundary.
At present, the cultural method of China's flue-cured tobacco is: after flue-cured tobacco drift dish nursery, directly transplants and cultivates in big Tanaka, the most roasting
Cigarette transplant in the time in land for growing field crops be late April to mid-May, and at flue-cured tobacco cultivation arid region, rainy season set is June,
Causing tobacco seedlings to have 1 wheat harvesting period time to be in arid in land for growing field crops, this phase dry weather, illumination is strong, and temperature is high, and unfavorable tobacco seedlings is normal
Growth promoter, simultaneously because of drought, increases flue-cured tobacco early stage keeping crop seedling from drought cost, and because of part tobacco seedling growth slowly, decline
Weak or dead, improve tobacco seedlings sickness rate, increase cost of filling the gaps with seedlings, easily occur that growth and maturation are inconsistent, have influence on Nicotiana tabacum L.
Quality and yield, seriously constrain cured tobacco production.Additionally, the preceding crop in some areas is gathered in the crops in advance because planting flue-cured tobacco, shadow
Ring to crop normal earning.
Therefore, a kind of tobacco seedlings delayed cultivation method is needed badly.
Summary of the invention
Present invention solves the technical problem that being to provide tobacco seedlings heels in delayed cultivation method, carries out pot for growing seedlings to tobacco seedlings before field-transplanting
Heel in centralized management, reduce keeping crop seedling from drought cost.
Tobacco seedlings of the present invention heels in delayed cultivation method, and its step is as follows:
A, the preparation of Nutrition Soil and heap are sealed: soil and farm manure in mass ratio 3～5:1 are mixed, obtain Nutrition Soil, and by pesticide
Being sprayed on Nutrition Soil, control that Nutrition Soil moisture makes that it pinches is agglomerating, and that touches is the most scattered, then seals Nutrition Soil, and heap seals 7～10
My god；
B, build seedling growth greenhouse: build seedling growth greenhouse, seedling growth greenhouse all standing sunshade net in field-transplanting region；
C, tobacco seedlings are heeled in: the Nutrition Soil after being sealed by a step heap loads pot for growing seedlings, tobacco seedlings is heeled in into pot for growing seedlings, first scrapes when heeling in
Remove the main root that drift dish is tried to get to the heart of a matter, then at the centrally disposed aperture of Nutrition Soil, the tobacco seedlings root of carrying substrates is put in aperture, compacting
Nutrition Soil around root；
D, heel in the water and fertilizer management of Seedling: tobacco seedlings irrigates after having heeled in determines root water, then arrange without seedling alms bowl observe soil moisture with
Determine the situation of watering；Within 6th～8 day, apply fertilizer after heeling in, and be spaced fertilising in 4～6 days once, obtain heeling in Seedling；
In a step, the content of organic matter of the most described soil is 1.5～2.5%, and soil and farm manure 4:1 the most in mass ratio mixes
Close.
In b step, the preferably area of seedling growth greenhouse is 10～13/mu, and seedling growth greenhouse height is 2 meters, is shaped as rectangle, nursery
Canopy tripartite is compacted Radix Saposhnikoviae shading, and one can pass in and out tobacco seedlings management.
In step c, when Nutrition Soil is loaded pot for growing seedlings, alms bowl mouth reserves 2 spaces, conveniently applies fertilizer and waters.
In Step d, described fertilising is preferably and carries after seed manure is watered and makes its activity component concentration be 0.5～1.2wt% with flue-cured tobacco is special,
Carrying out watering executing, the individual plant rate of fertilizer of the 1st, 2,3 times is respectively 0.8～1.2,2.5～3.5,3～6 gram；Described fertilising is more
It is preferably and carries after seed manure is watered and makes its activity component concentration be 1wt% with flue-cured tobacco is special, carry out watering executing, the individual plant of the 1st, 2,3 times
Rate of fertilizer is respectively 1,3,4～5 grams, to promote tobacco root system to grow.
In Step d, within the 6th day, apply fertilizer after preferably heeling in, and be spaced fertilising in 5 days once.
In step e, preferably as follows to the method in land for growing field crops by heeling in transplantation of seedlings: to use stay cord to pinpoint and beat nest, nest footpath 25～30cm,
Nest deep 18～20cm, after heeling in Seedling removal pot for growing seedlings, band soil is planted in nest, waters vola water, irrigation amount >=5kg/ nest.Due to
Field soil is dried, and should water vola water and Ding Gen water when heeling in transplantation of seedlings, ensures that tobacco seedlings liquid manure is coordinated.
In step e, the fertilizing method of field production is preferably to be executed base fertilizer circle away from the cigarette strain position 3～4cm from plantation, then
After covering with fine earth, and cigarette nest is organized into " tea tray shape ".
In step e, preferably remove sunshade net and carry out practicing Seedling transplantation of seedlings to before land for growing field crops 2～3 days will be heeled in.
In step e, transplanting and spray insecticide, covering with plastic film after terminating, then rupture of membranes draws Seedling, sealer mouth, firming, it is ensured that cigarette
Nest is tea tray shape；If close to rainy season or there is saturating rain when transplanting, all fertilizer disposably being applied and water and earth up, it is not necessary to cover
Mulch film.
The present invention uses Nutrition Soil nursery to be that tobacco seedlings provides suitable illumination and liquid manure environment, beneficially tobacco seedlings to heel in period fast
Speed forms powerful root system；Use pot for growing seedlings nursery to be conducive to the liquid manure centralized management of tobacco seedlings and tobacco seedlings to transport simultaneously；Set up seedling growth greenhouse
And covered with sunshade net can avoid the impact on tobacco seedling growth of strong illumination and hot dry wind；Arrange and fill seedlings and soil alms bowl without Seedling, be conducive to
Observe the humidity of soil in this alms bowl to determine to water, it is to avoid too much or very few watering affect tobacco root system growth；Ensure liquid manure coordinate with
In root strong sprout by force, extend and heel in the time.
The present invention utilizes pot for growing seedlings to carry out tobacco seedlings and heels in, and carries out concentrating water and fertilizer management, and is sheltered from heat or light by sunshade net, it is to avoid sun strongly
Light direct beam and the hot dry wind impact on tobacco seedlings, ensure its normal growth.Balled transplanting before tobacco seedlings prosperous long-term arriving simultaneously, it is ensured that
Tobacco root system complete, quickly enters prosperous length, ensures that tobacco seedlings normal growth is grown, improve the yield and quality of flue-cured tobacco simultaneously.
Compared with prior art, there is advantages that
1) the inventive method is simple, it is simple to operation, input cost is less, it is possible to delays field production at flue-cured tobacco period of drought, keeps away
Open the impact on tobacco growth of the land for growing field crops bad climate.
2) use the inventive method, can ensure and heel in Seedling be transplanted into the tobacco seedling growth in land for growing field crops with the same period Tong Bu, heel in transplantation of seedlings and enter greatly
Behind field, upgrowth situation is excellent, improves the output and quality of flue-cured tobacco, improves the output value.
3) tobacco seedlings of the present invention heels in delayed cultivation method, can postpone to be transplanted to land for growing field crops by tobacco seedlings, and the maturation for preceding crop provides
Time ensures.
Detailed description of the invention
Tobacco seedlings of the present invention heels in delayed cultivation method, and its step is as follows:
A, the preparation of Nutrition Soil and heap are sealed: soil and farm manure in mass ratio 3～5:1 are mixed, obtain Nutrition Soil, and by pesticide
Being sprayed on Nutrition Soil, control that Nutrition Soil moisture makes that it pinches is agglomerating, and that touches is the most scattered, then seals Nutrition Soil, and heap seals 7～10
My god；
B, build seedling growth greenhouse: build seedling growth greenhouse, seedling growth greenhouse all standing sunshade net in field-transplanting region；
C, tobacco seedlings are heeled in: Nutrition Soil loads pot for growing seedlings, first scrape off the main root that drift dish is tried to get to the heart of a matter, then use pyramid when tobacco seedlings is heeled in
Spillikin insert an aperture at Nutrition Soil center, the tobacco seedlings root of carrying substrates is put in aperture, with spillikin compacting root around battalion
Support soil；
D, pot for growing seedlings heel in Seedling water and fertilizer management: tobacco seedlings irrigates after having heeled in determines root water, then arrange without seedling alms bowl observe soil
Humidity is to determine the situation of watering；Within 6th～8 day, apply fertilizer after heeling in, and be spaced fertilising in 4～6 days once, obtain heeling in Seedling；
E, heel in Seedling field production: transplantation of seedlings will be heeled in land for growing field crops, carry out field production.
The present invention is applicable to the delayed cultivation of the tobacco seedlings of drift dish nursery.
In a step, it is preferred to use the soil that the content of organic matter is high prepares Nutrition Soil, the content of organic matter of described soil be 1.5～
2.5%, soil and farm manure 4:1 the most in mass ratio mix.Described pesticide is pesticide commonly used in the art, preferably metalaxyl
MnZn and decis, pesticide dosage is the 0.04% of Nutrition Soil weight.
In b step, determining the area of seedling growth greenhouse according to transplanting tobacco seedlings quantity and convenient transportation situation, the preferably area of seedling growth greenhouse is
10～13/mu, seedling growth greenhouse height is 2 meters, is shaped as rectangle, and seedling growth greenhouse tripartite is compacted Radix Saposhnikoviae shading, one can pass in and out right
Tobacco seedlings manages.
In step c, pot for growing seedlings selects the specification of 13 × 12, and during pack, Nutrition Soil is not filled, reserved 2 height, in order to
Fertilizing, watering, is mutually close between bowl simultaneously.
It should be noted that reject sick Seedling, weak Seedling during the heeling in of step c.
In Step d, within first 5 days after tobacco seedlings is heeled in, chemical fertilizer can not be used, in order to avoid burn seedlings.Preferably, latter 6th day is heeled in
Apply fertilizer, and be spaced fertilising in 5 days once.
In Step d, described fertilising is preferably and carries after seed manure is watered and makes its activity component concentration be 0.5～1.2wt% with flue-cured tobacco is special,
Carrying out watering executing, the individual plant rate of fertilizer of the 1st, 2,3 times is respectively 0.8～1.2,2.5～3.5,3～6 gram；Described fertilising is more
It is preferably and carries after seed manure is watered and makes its activity component concentration be 1wt% with flue-cured tobacco is special, carry out watering executing, the individual plant of the 1st, 2,3 times
Rate of fertilizer is respectively 1,3,4～5 grams, to promote tobacco root system to grow.
In Step d, carry out observing soil moisture to determine the situation of watering without seedling alms bowl by arranging, it is to avoid water water excess or mistake
Few, affect tobacco root system and grow, within preferably 5～6 days, water 1 time, ensure soil moisture content 13.4～16.3%, beneficially root
System grows.
In step e, within 2～3 days before field-transplanting, remove sunshade net and carry out practicing Seedling.
The determination heeling in the time is to transplant in time when tobacco root system is weaker than the tobacco root system being transplanted into land for growing field crops the same period, otherwise, false
Plant seedlings and can be weaker than field plant at grown in field.General, heel in 15～20 days and be i.e. available for field-transplanting, when weather excessively arid
Can suitably continue.2～3 days removal sunshade nets should be shifted to an earlier date before transplanting carry out practicing Seedling.
In step e, as follows to the method in land for growing field crops by heeling in transplantation of seedlings: using stay cord fixed point to beat nest, nest footpath 25～30cm, nest is deep
18～20cm, after heeling in Seedling removal pot for growing seedlings, band soil is planted in nest, waters vola water, irrigation amount >=5kg/ nest.Due to land for growing field crops
Antecedent soil moisture, should water vola water and Ding Gen water when heeling in transplantation of seedlings, ensures that tobacco seedlings liquid manure is coordinated.
Field production is the cultivation technique that this area is conventional, owing to fertilizer used during nursery is to carry seed manure or a small amount of compound fertilizer, because of
This Amount of Base Fertilizer when field-transplanting is that land for growing field crops compound fertilizer deducts nursery fertilizer amount with the total amount carrying seed manure, fosters and apply fertilizer and normally executes for this area
With.Fertilizing method is to be executed, after then covering with fine earth, and by cigarette nest by base fertilizer circle away from the cigarette strain position 3～4cm from plantation
It is organized into " tea tray shape ".The fertilizer amount of field-transplanting should deduct tobacco seedlings and heel in the fertilizer amount used by the phase.Final-period management is planted with conventional
Train identical.
Planting after cigarette terminates and spray covering with plastic film behind face, railway carriage or compartment with insecticide, rupture of membranes draws Seedling, sealer mouth, firming, and cigarette simultaneously
Nest is tea tray shape, is conducive to accepting rainwater and the operation of later stage farming.If close to rainy season or there is saturating rain when transplanting, can be by all fertilizer
Material disposably applies and waters and earth up, it is not necessary to covering with plastic film.
The present invention uses Nutrition Soil nursery to be that tobacco seedlings provides the quickly formation during heeling in of suitable soil environment, beneficially tobacco seedlings
Powerful root system；Use pot for growing seedlings nursery to be conducive to the liquid manure centralized management of tobacco seedlings and tobacco seedlings to transport simultaneously；Set up seedling growth greenhouse and cover
Sunshade net can avoid the impact on tobacco seedling growth of strong illumination and hot dry wind；Arrange and fill seedlings and soil alms bowl without Seedling, facilitate look at this
In alms bowl, the humidity of soil determines to water, it is to avoid too much or very few watering affects tobacco root system growth；Ensure that liquid manure is coordinated with Qiang Genzhuan
Seedling, extends and heels in the time.
The present invention utilizes pot for growing seedlings to carry out tobacco seedlings and heels in, and carries out concentrating water and fertilizer management, and is sheltered from heat or light by sunshade net, it is to avoid sun strongly
Light direct beam and the hot dry wind impact on tobacco seedlings, ensure its normal growth.Balled transplanting before tobacco seedlings prosperous long-term arriving simultaneously, it is ensured that
Tobacco root system complete, quickly enters prosperous length, ensures that tobacco seedlings normal growth is grown, improve the yield and quality of flue-cured tobacco simultaneously.
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described, the most therefore limits the present invention to institute
Among the scope of embodiments stated.
Embodiment 1
Carry out the delayed cultivation of flue-cured tobacco as follows:
A, the preparation of Nutrition Soil and heap are sealed: every mu prepares the soil 400 that the content of organic matter is high, farm manure 100 in small, broken bits, mixes
Conjunction is mixed all, and is uniformly sprayed on soil by pesticide (metalaxyl-mn-zn and decis each 0.1), and soil moisture control makes it pinch
Agglomerating, touch the most scattered, then seal Nutrition Soil, heap seals time 7～10 days.
B, build seedling growth greenhouse: build seedling growth greenhouse, seedling growth greenhouse all standing sunshade net in field-transplanting region；According to transplanting tobacco seedlings quantity
With the area (generally 10～13/mu) that convenient transportation situation determines seedling growth greenhouse, height is 2 meters, is shaped as rectangle, educates
Seedling canopy tripartite is compacted Radix Saposhnikoviae shading, and one can pass in and out tobacco seedlings management.
C, tobacco seedlings are heeled in: the time of heeling in is May 4.Nutrition Soil loads pot for growing seedlings, and pot for growing seedlings selects the specification of 13 × 12,
During pack, Nutrition Soil is not filled, reserved 2 height, in order to apply fertilizer and water, be mutually close to simultaneously between bowl.Tobacco seedlings is false
First scrape off the main root that drift dish is tried to get to the heart of a matter when planting, then insert an aperture with the spillikin of pyramid at Nutrition Soil center, the tobacco seedlings of carrying substrates
Root is put in aperture, with the Nutrition Soil around spillikin compacting root；It should be noted that reject sick Seedling, weak Seedling during heeling in.
D, pot for growing seedlings cultivate: irrigate after heeling in and determine root water, then arrange without seedling alms bowl (5) carry out observation soil moisture with
Determine the situation of watering, it is to avoid water water excess or very few, affect tobacco root system and grow, within generally 5～6 days, water 1 time；After heeling in
Within 6th day, apply fertilizer, be watered (concentration is 1%) and water with the special seed manure that carries of flue-cured tobacco and execute, be separated by 5 days 1 time, the 1st, 2,3
Secondary individual plant rate of fertilizer is respectively 1,3,4～5 grams, to promote tobacco root system to grow, obtains heeling in Seedling；
Observing the economical character heeling in Seedling and field plant of different time, it the results are shown in Table 1.Wherein, field plant refers to and heels in
The same period is directly transplanted to the tobacco seedlings in land for growing field crops, the tobacco seedlings being i.e. transplanted to land for growing field crops May 4 from drift dish, is designated as CK.
Table 1 field plant and the economical character heeling in Seedling
Visible, heel in Seedling due under sunshade net concentrate water and fertilizer management, avoid sunburst and hot dry wind, save labor, cigarette
Seedling well developed root system, Miao Qi, Miao Zhuan.After tobacco seedlings heels in 20 days, although root length is further added by, but root dry weight, leaf dry weight index
Strengthen with contrast difference, be not suitable for continuing to heel in.
E, heel in Seedling field production: transplantation of seedlings will be heeled in land for growing field crops respectively at May 15, May 20 and May 25,
Carry out field production.
2～3 days removal sunshade nets should be shifted to an earlier date before transplanting carry out practicing Seedling.
As follows to the method in land for growing field crops by heeling in transplantation of seedlings: to use stay cord to pinpoint and beat nest, nest footpath 25～30cm, nest deep 18～20cm,
Planting density is 1235 plants/acre (120cm × 45cm), and after heeling in Seedling removal pot for growing seedlings, band soil is planted in nest, waters vola water,
Irrigation amount >=5kg/ nest.Owing to field soil is dried, vola water and Ding Gen water should be watered when heeling in transplantation of seedlings, ensure tobacco seedlings liquid manure
Coordinate.
Amount of Base Fertilizer when field-transplanting is that land for growing field crops compound fertilizer deducts nursery fertilizer amount with the total amount carrying seed manure, fosters and apply fertilizer normal into this area
Use.Fertilizing method is to be executed, after then covering with fine earth, and by cigarette by base fertilizer circle away from the cigarette strain position 3～4cm from plantation
Nest is organized into " tea tray shape ".The fertilizer amount of field-transplanting should deduct tobacco seedlings and heel in the fertilizer amount used by the phase.Later stage Routine Management.
Planting after cigarette terminates and spray covering with plastic film behind face, railway carriage or compartment with insecticide, rupture of membranes draws Seedling, sealer mouth, firming, and cigarette simultaneously
Nest is tea tray shape, is conducive to accepting rainwater and the operation of later stage farming.
By heeling in Seedling balled transplanting, survival rate 100%, there is no seedling-slowing stage, it is possible at big Tanaka's fast-growth, balck shank is more normal
Rule field plant reduces by 5.28 percentage points, and disease index reduces by 2.37 percentage points, 8.72 percentages of the more conventional reduction of rust
Point, disease index reduces by 3.9 percentage points, and cigarette group of hill bulk-growth regularity falls yellow consistent with tobacco leaf-layering.
Calculating yield and the output value, obtain the results are shown in Table 2.Wherein, CK is directly to be transplanted to greatly from drift dish May 4
The tobacco seedlings in field.Remaining heels in Seedling is to heel in, from drift dish, the tobacco seedlings that pot for growing seedlings carries out cultivating May 4.
Table 2 heels in Seedling and the yield of field plant and the output value
By table 2, heeling in prolongation cultural method by tobacco seedlings of the present invention, the flue-cured tobacco output value of cultivation increases by 755.15 yuan/mu
(meansigma methodss of 3365.5 and 2681.4), good smoke rate improves 10.55 percentage points.According to every mu of recruitment measuring and calculating, tobacco seedlings dress alms bowl
2 works, 1 work of seedling management, transplant 1.5 works, add up to 4.5 works (450 yuan/mu), sunshade net and pot for growing seedlings cost
It is 80 yuan/mu (sunshade net depreciations in 3 years, pot for growing seedlings is without depreciation), disregards conventional Seedling and water and fill the gaps with seedlings recruitment, heel in nursery and postpone
Cultivate more conventional cultivation (CK) every mu and increase income 225.15 yuan.Example shows simultaneously, heels in the time of heeling in of Seedling more than 20 days,
Its economical character and yield and output value relatively compare and can decline, and therefore nutritive cube tobacco seedlings heeled in the time no more than 20 days.
Claims (10)
1. tobacco seedlings heels in delayed cultivation method, it is characterised in that its step is as follows:
A, the preparation of Nutrition Soil and heap are sealed: soil and farm manure in mass ratio 3～5:1 are mixed, obtain Nutrition Soil, and by pesticide
Being sprayed on Nutrition Soil, control that Nutrition Soil moisture makes that it pinches is agglomerating, and that touches is the most scattered, then seals Nutrition Soil, and heap seals 7～10
My god；
B, build seedling growth greenhouse: build seedling growth greenhouse, seedling growth greenhouse all standing sunshade net in field-transplanting region；
C, tobacco seedlings are heeled in: the Nutrition Soil after being sealed by a step heap loads pot for growing seedlings, tobacco seedlings is heeled in into pot for growing seedlings, first scrapes when heeling in
Remove the main root that drift dish is tried to get to the heart of a matter, then at the centrally disposed aperture of Nutrition Soil, the tobacco seedlings root of carrying substrates is put in aperture, compacting
Nutrition Soil around root；
D, heel in the water and fertilizer management of Seedling: tobacco seedlings irrigates after having heeled in determines root water, then arrange without seedling alms bowl observe soil moisture with
Determine the situation of watering；Within 6th～8 day, apply fertilizer after heeling in, and be spaced fertilising in 4～6 days once, obtain heeling in Seedling；
E, heel in Seedling field production: will heel in after Seedling removes nutritive cube and be transplanted to land for growing field crops, and carry out field production.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in a step, described soil
The content of organic matter is 1.5～2.5%, and soil and farm manure 4:1 in mass ratio mixes.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in b step, the face of seedling growth greenhouse
Amassing is 10～13/mu, and height is 2 meters, is shaped as rectangle, and seedling growth greenhouse tripartite is compacted Radix Saposhnikoviae shading, one can pass in and out right
Tobacco seedlings manages.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in step c, Nutrition Soil is filled
When entering pot for growing seedlings, alms bowl mouth reserves 2 spaces, conveniently applies fertilizer and waters.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in Step d, described fertilising is
With carrying after seed manure is watered and makes its activity component concentration be 0.5～1.2wt%, carry out watering executing, the individual plant Term Fertilization of the 1st, 2,3 times
Amount is respectively 0.8～1.2,2.5～3.5,3～6 gram；The most described fertilising is for being watered and make its activity component concentration be with carrying seed manure
After 1wt%, carrying out watering executing, the individual plant rate of fertilizer of the 1st, 2,3 times is respectively 1,3,4～5 grams.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in Step d, heel in the rear 6th
It applies fertilizer, and is spaced fertilising in 5 days once.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in step e, Seedling will be heeled in fixed
Plant to the method in land for growing field crops as follows: use stay cord fixed point to beat nest, nest footpath 25～30cm, nest deep 18～20cm, Seedling will be heeled in and remove
After pot for growing seedlings, band soil is planted in nest, waters vola water, irrigation amount >=5kg/ nest.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in step e, field production
Fertilizing method is to be executed by base fertilizer circle away from the cigarette strain position 3～4cm from plantation, after then covering with fine earth, and is arranged by cigarette nest
Become " tea tray shape ".
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in step e, Seedling will heeled in
Within before being transplanted to land for growing field crops 2～3 days, remove sunshade net to carry out practicing Seedling.
Tobacco seedlings the most according to claim 1 heels in delayed cultivation method, it is characterised in that: in step e, transplanting terminates
After spray insecticide, covering with plastic film, then rupture of membranes draws Seedling, sealer mouth, firming, it is ensured that cigarette nest is tea tray shape；If transplanted
Close to rainy season or there is saturating rain, all fertilizer are disposably applied and waters and earth up, it is not necessary to covering with plastic film.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111567349A (en) * | 2020-06-29 | 2020-08-25 | 郑州轻工业大学 | Cigar tobacco field shading device and using method thereof |
| CN112602560A (en) * | 2020-12-21 | 2021-04-06 | 中国农业科学院农业资源与农业区划研究所 | Organic nutrient soil composition, organic nutrient body, preparation method and application thereof |
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