CN106489498A - The cultural method of rice stubble flue-cured tobacco - Google Patents
The cultural method of rice stubble flue-cured tobacco Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
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Abstract
The invention provides a kind of cultural method of rice stubble flue-cured tobacco, by improving rice stubble tobacco planting density and reducing nitrogen fertilizer amount, nitrogen ratio of topdressing especially is to increase, early stage nitrogen fertilizer amount is reduced, is increased topdress number of times, the nitrogen water that topdresses and the measure such as apply, other auxiliary Population Regulation cultivation techniques, both can guarantee that flue-cured tobacco high-quality was suitable to produce, the utilization ratio of nitrogen of flue-cured tobacco fertilizer can be significantly improved again, realize that green subtracts nitrogen, the collaboration of high yield potentiation.
Description
Technical field
The invention belongs to agricultural plantation technology field, and in particular to the cultural method of rice stubble flue-cured tobacco.
Background technology
Nitrogen is to affect tobacco growth and the most important element of quality of tobacco.Tobacco Absorbing nitrogen is very few, malnutrition, will lead
Cause yield of flue-cured tobacco low and quality of tobacco declines；Tobacco Absorbing nitrogen excess, the Nicotiana tabacum L. Huang Cheng that is difficult to normally to fall are ripe, and the nicotine of Nicotiana tabacum L.
Content is high, although improve yield of tobacco, but tobacco leaf chemical composition is uncoordinated and industrial applicability is poor.
Rice stubble flue-cured tobacco (in 1 year, re-planting paddy after flue-cured tobacco results) is the major way of Main Tobacco-growing Regions In South flue-cured tobacco cultivation.
Southern rice stubble flue-cured tobacco cultivation early stage, often in low temperature rainy season.Traditional rice stubble flue-cured tobacco cultivation mainly (is planted using dilute value
900-1000 plant/acre of density in planting) high fertile (Shi Chun N12-14kg/ mus) technology realizing high yield target, to pursue higher flue-cured tobacco
Plantation economic benefit.This improve individual plant flue-cured tobacco Biomass to obtain the way of high yield by lift-augmented mechanism, be a kind of
The flue-cured tobacco method for increasing of non-green.One is excessively to apply nitrogen, increases tobacco planting cost；Two is that Nicotiana tabacum L. physical characteristics are poor, chemical
Composition is uncoordinated, judging parameter is poor etc. causes Nicotiana tabacum L. industrial applicability low, reduces quality of tobacco；Three is nitrogenous fertilizer effective rate of utilization
Low, loss of nitrogenous fertilizer is serious, causes tobacco-growing soil quality degradation and pollution agroecological environment.
People attempt various methods and improve nitrogen of flue-cured tobacco effective rate of utilization, for example, monitor on field cigarette strain nitrogen Condition of abundance or deficiency
Come instruct field flue-cured tobacco on the spot Nitrogen Top Dressing (such as Chinese patent 201210532220X), nitrogen fertilizer potentiating agent (such as Chinese patent
201310184622X, 2013101846215), enrich the organic fertilizer such as cake fertilizer and the pig manure that becomes thoroughly decomposed that becomes thoroughly decomposed and make base manure (such as China specially
201010297128.0), although these ways improve chemical nitrogen fertilizer utilization ratio to profit, can reduce applying quantity of chemical fertilizer, but need
Increase production cost, and complex operation；
And for example, a kind of can improve flue-cured tobacco nitrogen fertilizer application effect disposably for nitrogen fertilizing method (such as Chinese patent
2010102971191), this method can cause fertilizer loss serious, and environmental pollution aggravates.
Therefore, existing implantation methods generally existing high cost, fertilizer utilization efficiency are low, and yield of flue-cured tobacco is low and quality of tobacco
Not good, Nicotiana tabacum L. industrial applicability is low, pollution environment the problems such as.
Content of the invention
Present invention aims to tradition rice stubble flue-cured tobacco is dilute at present is worth excessive applied nitrogen, nitrogen in high fertile cultivation mode
Fertile effective rate of utilization is low, causes quality of tobacco to decline (tobacco leaf chemical composition is uncoordinated, physical characteristics are poor), production cost and carries
The problems such as high, pollution environment, occurs, there is provided one kind both can guarantee that the suitable profit that produces, can significantly improve nitrogen of flue-cured tobacco fertilizer again of flue-cured tobacco high-quality
With efficiency, low cost is simple to operate, reaches green and subtracts nitrogen, the synergy of high yield potentiation, the cultivation side of the rice stubble flue-cured tobacco of environmental protection
Method.
Technical program of the present invention lies in providing a kind of cultural method of rice stubble flue-cured tobacco, comprise the following steps：During plantation, plant
Away from being 110 ± 5cm, away from for 50 ± 5cm, planting density is 1200-1300 plant/acre to narrow row to strain wide row, the narrow strain density of wide row；
High ridge zanjon, the big cave of single file are planted deeply, specially：The low wide 80-90cm in ridge, ridge face width 60-70cm, furrow depth 30-
40cm；Per ridge single file plant flue-cured tobacco, cave diameter 10-15cm, cave depth 15-20cm；
In whole cultivation, control to apply nitrogen total amount for 8-9kg/ mus；
Before tobacco seedlings are transplanted, basal dressing, base manure nitrogen consumption are 3-4kg/ mus；Wherein, the consumption of special base fertilizer for tobacco is 30-
40kg/ mus, the consumption of cake fertilizer is 10-12kg/ mus；Special base fertilizer for tobacco and cake fertilizer impose on shifting using spreading manuer in holes before tobacco seedlings are transplanted
Plant in cave, with soil mixing；
Spraying fertilizer, the nitrogen consumption that topdresses are 5-6kg/ mus；After transplanting, 5-7d, 10-14d, 20-25d, 30-35d are carried out
Topdress for four times；For the first time according to 2-3kg/ mus amount with Nicotiana tabacum L. special carry pouring after seed manure is watered apply；Second according to 3-4kg/ mus
Amount with Nicotiana tabacum L. special carry seed manure and be watered to pour apply；Third time carries seed manure and according to 10- according to the amount of 2-3kg/ mus with Nicotiana tabacum L. is special
The amount of 12kg/ mus with Nicotiana tabacum L. special topdress to be watered to pour apply；4th time the amount according to 20-30kg/ mus is watered with special the topdressing of Nicotiana tabacum L.
Pour and apply；
40-45 days after transplanting, it is watered to pour according to the amount potassium sulfate of 10-15kg/ mus and applies；
When flue-cured tobacco Topping Time is more than 80% plant blossom；The average effective number of blade for retaining every plant of plant after pinching is
More than 18/strain.
By high ridge zanjon, the big cave of single file plants the present invention deeply, is conducive to draining, and improves the topsoil soil of flue-cured tobacco root growth
Earth thickness, keeps body moistening in ridge full.
In the present invention, nitrogenous fertilizer total amount is reduced, reduce base manure nitrogen ratio, base manure is spreaded manuer in holes.Traditional flue-cured tobacco is dilute to be worth high fertile cultivation mould
Formula, applies nitrogen total amount more than 12kg/ mus；Base manure nitrogen accounts for more than 70%, and based on heavy dressing base manure, base manure nitrogen is more than 9kg/ mus；
Base manure adopts row replacement, spreads fertilizer over the fields base manure in ridging and is expert at centre or full field is spread fertilizer over the fields, and then earthing is into ridge.
In the present invention, apply nitrogen total amount and reduce more than 20%, control applies nitrogen total amount in 8-9kg/ mus；The amount of nitrogen of minimizing is main
For reducing base manure nitrogen, base manure nitrogen is controlled in 3-4kg/ mus；Base manure nitrogen is imposed in transplanting cave before tobacco seedlings are transplanted using spreading manuer in holes, with
Soil is mixed, and reduces unnecessary waste.
Increase nitrogen ratio of topdressing, topdress number of times and the water that topdresses is applied.Traditional rice stubble flue-cured tobacco is dilute to be worth high fertile cultivation mode, topdresses
Nitrogen ratio is 30%, and general Nitrogen Top Dressing 1-2 time, using dry application.
In preferred scheme, after flue-cured tobacco is pinched, effective blade number is more than 20000 pieces/mu.
In preferred scheme, Nicotiana tabacum L. is special to topdress that to be watered to its mass percentage concentration be 3-5%, then pours that to impose on rhizosphere attached
Closely.
In preferred scheme, it is 1～3% that Nicotiana tabacum L. is special to be carried seed manure and be watered to its mass percentage concentration, then drips along leaf
Line is poured to be applied.
In preferred scheme, in special base fertilizer for tobacco, nitrogen, phosphorus, the weight/mass percentage composition of potassium are respectively 8%-10%, 8%-
10%th, 10%-11%.
In preferred scheme, in cake fertilizer, nitrogen, phosphorus, the weight/mass percentage composition of potassium be respectively 5 ± 1%, 0.8 ± 0.1%, 1 ±
0.1%.
In preferred scheme, Nicotiana tabacum L. is special to be carried in seed manure, and nitrogen, the weight/mass percentage composition of potassium are respectively 18%-20%, 8%-
10%.
In preferred scheme, Nicotiana tabacum L. is special to topdress, nitrogen, phosphorus, the weight/mass percentage composition of potassium be respectively 10%-20%,
5.0%-6.0%, 29.0%-30%.
Optimum period, pinches, and rationally stays leaf, cultivates a cigarette in cartridge type plant type, appropriate increase colony effective blade number.Traditional Rice
Stubble flue-cured tobacco cultivation is to see that the flower bud button heart is pinched, weight of pinching, leaves remained less (16 or so), causes that upper tobacco leaf is long, blocked up, mistake
Weight, forms the plant type of falling tower, and colony's effective blade number is below 15000 pieces/mu.The present invention postpones flue-cured tobacco and pinches to full field 80%
Carry out during above plant blossom；Retain more than the 18/strain of effective number of blade after pinching；Cultivation cartridge type cigarette strain type, a cigarette in formation,
Control colony effective blade number is more than 20000 pieces/mu.
Other field management measures such as remaining requirement of flue-cured tobacco cultivation kind, seedling raising mannerses and strong sprout, the prevention and control of plant diseases, pest control are same
As conventional flue-cured tobacco cultivation.
And the wide row in the distance between rows and hills collocation mode of the present invention is easy to farming to operate.
High ridge zanjon in such scheme, favourable increase topsoil depth, favourable flue-cured tobacco robust growth are also beneficial to fill
Draining.
Topdress to be watered to pour in such scheme and apply requirement fertilising uniformly.Can be filled with water to pour using dosing container and apply, preferably with applying
Fertile device.
Beneficial effects of the present invention
The rice stubble flue-cured tobacco cultivation method of the present invention, by improving rice stubble tobacco planting density and reducing nitrogen fertilizer amount, especially
Nitrogen ratio of topdressing is to increase, early stage nitrogen fertilizer amount is reduced, is increased topdress number of times, the nitrogen water that topdresses and measure, other auxiliary colonies such as apply
Controlling and cultivating technology, both can guarantee that the suitable utilization ratio that produces, can significantly improve nitrogen of flue-cured tobacco fertilizer again of flue-cured tobacco high-quality, had realized that green subtracted
Nitrogen, the collaboration of high yield potentiation.
Instant invention overcomes fertilizer utilization efficiency is low caused by traditional rice stubble flue-cured tobacco cultivation method institute, environment, flue-cured tobacco is polluted
Yield poorly, Nicotiana tabacum L. industrial applicability low problem not good with quality of tobacco, there is provided one kind can improve fertilizer utilization efficiency, reduces
The waste of nitrogenous fertilizer, saves production cost, improves quality of tobacco, reduces and wastes the environmental pollution for causing due to nitrogenous fertilizer, and can
A kind of green potentiation flue-cured tobacco cultivation method of tobacco planting benefit is significantly improved, meets agricultural sustainable development needs.
In the present invention, by planting density, N application method and amount of nitrogen, 4 times are watered apply pour, the synthesis of implantation methods etc.
Control, obtains the beneficial effect of the Synergistic of highly significant.
The cultural method of the present invention can realize the requirement of " high-quality is suitable to produce ", and quality of tobacco is excellent, and yield of flue-cured tobacco appropriateness can
The waste of development of flue-cured tobacco early stage nitrogen is enough reduced, is strengthened flue-cured tobacco colony and soil nutrient is absorbed, significantly improve nitrogen
Fertile utilization ratio.By the coordinated of each step and parameter in the cultural method of the present invention, flue-cured tobacco high-quality can either be ensured
The suitable utilization ratio that produces, can significantly improve nitrogen of flue-cured tobacco fertilizer again, realizes that green subtracts nitrogen, the collaboration beneficial effect of high yield potentiation.
The yield of flue-cured tobacco of the present invention is more than 150kg/ mus.Loss of nitrogenous fertilizer is few, safety and environmental protection；Flue-cured tobacco growing way is uniform.
Substantial amounts of research is carried out to the cultural method of flue-cured tobacco in prior art, but existing method has still been present a lot
Deficiency, inventor have carried out substantial amounts of research and exploration, through substantial amounts of test, have been finally obtained this for this present situation
Bright scheme, the present invention can reduce production cost, the utilization ratio for improving Flue-cured tobacco Quality, improving nitrogenous fertilizer to a great extent.Suitable
Close large-scale promotion application.
The aesthetic quality of flue-cured tobacco that particularly present invention cultivation is obtained greatly promoted, and this effect is even more
Inventor had not been expected at the beginning of cultivation.
Specific embodiment
Following instance is intended to for the present invention is described, but the present invention is not limited to following examples.
Embodiment 1：
Proving ground in Xiang Nan cigarette districts carries out rice stubble flue-cured tobacco different land use patterns comparative test, flue-cured tobacco cultivars within 2015
For cloud and mist 87.
Traditional planting models A：1. 927 plants/acre of planting density, line-spacing 120cm, spacing in the rows 60cm；2. single file ridge plants, furrow depth
20cm；3. purity nitrogen 12kg/ mus are applied, and base manure nitrogen accounts for the 71% of total amount of nitrogen, and special base fertilizer for tobacco 100kg and cake fertilizer 10kg spread fertilizer over the fields
Be expert at middle ridging, the 5 days mu of topdressing for the 1st time after transplanting apply Nicotiana tabacum L. special carry seed manure 3kg and be watered to pour apply, topdress for the 2nd time and to move
After cultivation, 20 days mu carries seed manure 2kg and the special 25kg that topdresses of Nicotiana tabacum L. spreads manuer in holes in cigarette strain both sides with Nicotiana tabacum L. is special；4. see that the flower bud button heart is pinched,
Leaves remained 16.
Improve cropping pattern B：1. 1212 plants/acre of planting density, line-spacing 110cm, spacing in the rows 50cm；2. the big cave of single file plants deeply,
The low wide 80cm in ridge, ridge face width 60cm, furrow are deep in 35cm；3. purity nitrogen 9kg/ mus are applied, and base manure nitrogen accounts for the 41% of total amount of nitrogen,
Tobacco seedlings before transplanting impose on special base fertilizer for tobacco 40kg and cake fertilizer 10kg in transplanting cave, and with soil mixing, topdress for the 1st time and to transplant
Afterwards 5 days with 3kg/ mu Nicotiana tabacum L.s special carry seed manure and be watered pour, topdressing 10 days after transplanting for the 2nd time carries seed manure with 3kg/ mu Nicotiana tabacum L.s are special
Be watered to pour and apply, topdress for the 3rd time after transplanting 20 days and seed manure is carried and 10kg/ special the topdressing of mu Nicotiana tabacum L. is watered with 3kg/ mu Nicotiana tabacum L.s are special
Pour and apply, the 4th topdress after transplanting 35 days with 25kg/ mu Nicotiana tabacum L.s special topdress to be watered to pour apply；4., 45 days after transplanting, use
10kg/ mu potassium sulfate is watered to pour to be applied；5. pinch during complete more than 80% plant blossom of field, retain effective number of blade 18.
Other field management measures are identical.Both compare the density increase for improving cropping pattern compared with traditional planting models
30.74%, amount of nitrogen reduces 25%, and effective blade number increased 47.08%.Result of the test is as follows：
(1) impact to flue-cured tobacco economic characters
As shown in Table 1, upper medium grade cigarette ratio, average price, yield and the output value for improving cropping pattern (B process) is above tradition
Cropping pattern (A process).Wherein, the yield for improving cropping pattern increased 20.31%, and the output value increased 21.54%, economic effect
Fruit index improves 12.51%.
The flue-cured tobacco economic characters of 1 different disposal of table
(2) impact to flue-cured tobacco physical characteristics
By taking upper tobacco leaf as an example.As shown in Table 2, the hacking degree for improving cropping pattern (B process) is high, and weight per leaf is low,
Blade thickness and leaf weight of remained are moderate, and physical characteristics index will height.Wherein, the physical characteristics index for improving cropping pattern improves
10.73%.
The upper tobacco leaf physical behavior of 2 different disposal of table
(3) impact to Chemical Compositions of Flue-cured Tobacco
By taking upper tobacco leaf as an example.As shown in Table 3, the total sugar and content of reducing sugar of cropping pattern (B) are improved higher than tradition kind
Implant model (A), improves the nicotine and total nitrogen content of cropping pattern (B) less than traditional planting models (A), improves cropping pattern (B)
Potassium content be higher than traditional planting models (A).The chemical composition availability indexes of cropping pattern (B) are improved compared with traditional planting models
(B) 30.81% is improve.
The Chemical Compositions of Flue-cured Tobacco of 3 different disposal of table
(4) impact to flue-cured tobacco judging parameter
By taking upper tobacco leaf as an example.As shown in Table 4, the aesthetic quality's index for improving cropping pattern (B) is significantly higher than traditional kind
Implant model (A).It is mainly shown as that sensory evaluating smoking's mass such as the aroma quality for improving cropping pattern and processing, miscellaneous QI, zest, pleasant impression refer to
Mark score value is relatively excellent.Wherein, the aesthetic quality's index for improving cropping pattern improves 16.24%.
4 different disposal cured tobacco leaf aesthetic quality of table
Embodiment 2：
The proving ground of certain cigarette district in Hunan in 2014 carries out rice stubble flue-cured tobacco different land use patterns comparative test, flue-cured tobacco cultivars
For K326.
Traditional planting models A：1. 1010 plants/acre of planting density, line-spacing 120cm, spacing in the rows 55cm；2. single file ridge plants, furrow
Deep 25cm；3. purity nitrogen 11.9kg/ mus are applied, and base manure nitrogen accounts for the 64.71% of total amount of nitrogen, special base fertilizer for tobacco 90kg and cake fertilizer
10kg spreads fertilizer over the fields middle ridging of being expert at, the 7 days mu of topdressing for the 1st time after transplanting apply Nicotiana tabacum L. special carry seed manure 3kg and be watered to pour apply, the 2nd time
The 21 days mu that topdresses after transplanting carries seed manure 3kg and the special 3kg that topdresses of Nicotiana tabacum L. spreads manuer in holes in cigarette strain both sides with Nicotiana tabacum L. is special；4. transplanting
45 days afterwards, it is watered to pour with 10kg/ mu potassium sulfate and applies；5. see that the flower bud button heart is pinched, leaves remained 16.
Improve cropping pattern B：1. 1212 plants/acre of planting density, line-spacing 110cm, spacing in the rows 50cm；2. the big cave of single file plants deeply,
The low wide 85cm in ridge, ridge face width 65cm, furrow are deep in 35cm；3. purity nitrogen 8.7kg/ mus are applied, and base manure nitrogen accounts for the 33% of total amount of nitrogen,
Special base fertilizer for tobacco 30kg and cake fertilizer 10kg is imposed on before tobacco seedlings are transplanted in transplanting cave, and with soil mixing, topdress for the 1st time in shifting
After cultivation 7 days with 3kg/ mu Nicotiana tabacum L.s special carry seed manure and be watered pour, topdressing 14 days after transplanting for the 2nd time carries Seedling with 3kg/ mu Nicotiana tabacum L.s are special
Fertilizer is watered to pour and applies, and topdresses for the 3rd time after transplanting 21 days and carries seed manure and 10kg/ special the topdressing of mu Nicotiana tabacum L. is converted with 3kg/ mu Nicotiana tabacum L.s are special
Water is poured to be applied, the 4th topdress after transplanting 35 days with 30kg/ mu Nicotiana tabacum L.s special topdress to be watered to pour apply；4. complete more than 80% plant of field
Pinch when blooming, retain effective number of blade 18.
Result of the test is as follows：
(5) impact to flue-cured tobacco economic characters
As shown in Table 5, upper medium grade cigarette ratio, average price, yield and the output value for improving cropping pattern (B process) is above tradition
Cropping pattern (A process).Wherein, the yield for improving cropping pattern increased 15.53%, and the output value increased 21.62%, economic effect
Fruit index improves 11.14%.
The flue-cured tobacco economic characters of 5 different disposal of table
(6) impact to flue-cured tobacco physical characteristics
By taking upper tobacco leaf as an example.As shown in Table 6, the hacking degree for improving cropping pattern (B process) is high, and weight per leaf is low,
Blade thickness and leaf weight of remained are moderate, and physical characteristics index will height.Wherein, the physical characteristics index for improving cropping pattern improves
12.17%.
The upper tobacco leaf physical behavior of 6 different disposal of table
(7) impact to Chemical Compositions of Flue-cured Tobacco
By taking upper tobacco leaf as an example.As shown in Table 7, the total sugar and content of reducing sugar of cropping pattern (B) are improved higher than tradition kind
Implant model (A), improves the nicotine and total nitrogen content of cropping pattern (B) less than traditional planting models (A), improves cropping pattern (B)
Potassium content be higher than traditional planting models (A).The chemical composition availability indexes of cropping pattern (B) are improved compared with traditional planting models
(B) 26.68% is improve.
The Chemical Compositions of Flue-cured Tobacco of 7 different disposal of table
(8) impact to flue-cured tobacco judging parameter
By taking upper tobacco leaf as an example.As shown in Table 8, the aesthetic quality's index for improving cropping pattern (B) is significantly higher than traditional kind
Implant model (A).It is mainly shown as that sensory evaluating smoking's mass such as the aroma quality for improving cropping pattern and processing, miscellaneous QI, zest, pleasant impression refer to
Mark score value is relatively excellent.Wherein, the aesthetic quality's index for improving cropping pattern improves 15.56%.
8 different disposal cured tobacco leaf aesthetic quality of table
Claims (8)
1. the cultural method of rice stubble flue-cured tobacco, it is characterised in that comprise the following steps：During plantation, plant wide row away from for 110 ± 5cm,
Away from for 50 ± 5cm, planting density is 1200-1300 plant/acre to narrow row；
High ridge zanjon, the big cave of single file are planted deeply, specially：The low wide 80-90cm in ridge, ridge face width 60-70cm, furrow depth 30-40cm；Per
Ridge single file plant flue-cured tobacco, cave diameter 10-15cm, cave depth 15-20cm；
In whole cultivation, control to apply nitrogen total amount for 8-9kg/ mus；
Before tobacco seedlings are transplanted, basal dressing, base manure nitrogen consumption are 3-4kg/ mus；Wherein, the consumption of special base fertilizer for tobacco is 30-40kg/
Mu, the consumption of cake fertilizer is 10-12kg/ mus；Special base fertilizer for tobacco and cake fertilizer impose on transplanting cave before tobacco seedlings are transplanted using spreading manuer in holes
Interior, with soil mixing；
Spraying fertilizer, the nitrogen consumption that topdresses are 5-6kg/ mus；After transplanting, 5-7d, 10-14d, 20-25d, 30-35d carry out four times
Topdress；For the first time according to 2-3kg/ mus amount with Nicotiana tabacum L. special carry pouring after seed manure is watered apply；Second amount according to 3-4kg/ mus
With Nicotiana tabacum L. special carry seed manure and be watered to pour apply；Third time carries seed manure and according to 10-12kg/ according to the amount of 2-3kg/ mus with Nicotiana tabacum L. is special
Mu amount with Nicotiana tabacum L. special topdress to be watered to pour apply；4th amount according to 20-30kg/ mus with Nicotiana tabacum L. special topdress to be watered to pour apply；
40-45 days after transplanting, it is watered to pour according to the amount potassium sulfate of 10-15kg/ mus and applies；
When flue-cured tobacco Topping Time is more than 80% plant blossom；The average effective number of blade for retaining every plant of plant after pinching is 18
Above/strain.
2. cultural method according to claim 1, it is characterised in that flue-cured tobacco Topping Time for the overall effectively number of blade is
More than 20000 pieces/mu.
3. cultural method according to claim 1, it is characterised in that special the topdressing of Nicotiana tabacum L. is watered to its mass percentage concentration
For 3-5%, then pour and impose near rhizosphere.
4. the cultural method according to claim 1 or 3, it is characterised in that the special seed manure that carries of Nicotiana tabacum L. is watered to its quality hundred
It is 1～3% to divide concentration, then pours along leaf drip and applies.
5. cultural method according to claim 1, it is characterised in that in special base fertilizer for tobacco, nitrogen, phosphorus, the quality hundred of potassium
Content is divided to be respectively 8%-10%, 8%-10%, 10%-11%.
6. cultural method according to claim 1 or 5, it is characterised in that in cake fertilizer, nitrogen, phosphorus, the weight/mass percentage composition of potassium
Respectively 5 ± 1%, 0.8 ± 0.1%, 1 ± 0.1%.
7. cultural method according to claim 1, it is characterised in that Nicotiana tabacum L. is special to be carried in seed manure, nitrogen, the quality percentage of potassium
Content is respectively 18%-20%, 8%-10%.
8. the cultural method according to claim 1 or 7, it is characterised in that Nicotiana tabacum L. is special to topdress, nitrogen, phosphorus, the quality of potassium
Percentage composition is respectively 10%-20%, 5.0%-6.0%, 29.0%-30%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934888A (en) * | 2018-06-11 | 2018-12-07 | 广西中烟工业有限责任公司 | A kind of cultural method for blocking defence tobacco diseases to infect using microbial bacterial agent |
| CN110651580A (en) * | 2019-09-04 | 2020-01-07 | 湖南农业大学 | Fertilizing method for tobacco in rice-crop tobacco area |
| CN111837860A (en) * | 2020-06-17 | 2020-10-30 | 红塔烟草(集团)有限责任公司 | Production method for improving two-sugar coordination of flue-cured tobacco |
| CN114009297A (en) * | 2021-10-27 | 2022-02-08 | 湖南农业大学 | Fertilizing method for promoting early growth and fast growth of rice stubble flue-cured tobacco |
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| CN110651580B (en) * | 2019-09-04 | 2022-10-18 | 湖南农业大学 | Fertilizing method for tobacco in rice-crop tobacco area |
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| CN114009297A (en) * | 2021-10-27 | 2022-02-08 | 湖南农业大学 | Fertilizing method for promoting early growth and fast growth of rice stubble flue-cured tobacco |
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