CN109831994A - A kind of method of Determination of Potassium in raising tobacco leaf - Google Patents
A kind of method of Determination of Potassium in raising tobacco leaf Download PDFInfo
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- CN109831994A CN109831994A CN201710833719.7A CN201710833719A CN109831994A CN 109831994 A CN109831994 A CN 109831994A CN 201710833719 A CN201710833719 A CN 201710833719A CN 109831994 A CN109831994 A CN 109831994A
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Abstract
The present invention relates to technical field of tobacco, and the present invention provides a kind of methods of Determination of Potassium in raising tobacco leaf, comprising: uses nutrient solution, sprays to the tobacco leaf of the middle and late growth stage；The nutrient solution includes water, sylvite, Monododecylphosphate potassium and dimethyl silicone polymer.Compared with prior art, the nutrient solution used main composition of the present invention are as follows: sylvite, Monododecylphosphate potassium and dimethyl silicone polymer and water etc.；The present invention is in the tobacco growing middle and later periods, to the above-mentioned nutrient solution of blade spraying.The present invention, which applies, is formulated novel nourishing liquid adjusted, enables potassium element by blade, enters in tobacco plant, can effectively improve absorption of the tobacco leaf to potassium.Also, the present invention changes mode and the period of application nutrient solution, by the adjustment for spraying period, it is therefore prevented that the migration of potassium.Practice have shown that using technology of the invention, hence it is evident that the content of potassium element in tobacco leaf is improved, to be conducive to the industrial applicability of tobacco leaf.
Description
Technical field
The present invention relates to technical field of tobacco more particularly to a kind of methods for improving Determination of Potassium in tobacco leaf.
Background technique
Potassium is the important composition of plant growth, and in the growth course of tobacco, it can be good at that cigarette strain is promoted to carry out light
Cooperation is used, and tobacco is made to be absorbed into more external nourishment compositions.Meanwhile it also plays important work to the energetic supersession of cigarette strain
With.For example, potassium element can promote the carbohydrate metabolism in tobacco well, the sugar content of tobacco is promoted to continue to increase；
Also, the potassium element in tobacco is also the catalyst and regulator of a part of important enzyme in tobacco body.Reasonable potassium content is kept,
The growth that can be very good the abilities such as drought-resistant ability and the Resistant of enhancing cigarette strain, so that it is guaranteed that tobacco cigarette strain quality etc. mentions
It rises.
Potassium element is also most important to the quality of tobacco leaf.Cigarette can be effectively reduced if height in the potassium content of tobacco tobacco leaf
Nicotine, total alkaloid, puff count, static combustion, particle matter equal size in careless tobacco leaf.Meanwhile the study found that tobacco
Positive correlation is presented in the content height of potassium in tobacco leaf fragrance and tobacco leaf in plantation.In addition, with the potassium member in tobacco tobacco leaf
Plain horizontal is constantly improve, and during its growth and maturity, the resistance to more other tobacco tobacco leaves of maturity will be got well tobacco tobacco leaf, can
There is more long collecting time after guaranteeing tobacco tobacco leaf complete ripeness.It is false to be then more advantageous to cigarette strain lower blade for extension during this
The decline of ripe ratio, while to the condition that the maturation of upper blade has been created, final realization potassium element level improves, to promote
The interior quality of tobacco tobacco leaf steps up.
Currently, the major way for improving potassium contents is the supply level for increasing potassium element, such as applied using pouring root, cave, item
The modes such as apply to improve the external supply capacity of potassium.Therefore, currently in each cigarette district tobacco planting, the supply of potash fertilizer becomes
One vital task.But by the promotion and implementation of so many years, effect is not it is obvious that being mainly the following reason:
1, due to tobacco later period Senescence of Root System, the ability for absorbing potassium is reduced, and is mended potassium and is generally carried out in early period, especially rolls into a ball
Phase and prosperous growth phase, and this period, the increment of potassium is enough in cave fertilizer when general base manure and transplanting, continues growing
The amount of application of potassium, cigarette strain can not absorb.
2, in the middle and later periods, potassium is shifted in plant, is especially shifted, is caused from mature leaf to newborn blade
Potassium contents in mature leaf reduce.
Therefore, it needs to research and develop the effective new technology for improving potassium contents in tobacco leaf.
Summary of the invention
In view of this, the application provides a kind of method for improving Determination of Potassium in tobacco leaf, method energy provided by the invention
Significantly improve the Determination of Potassium in tobacco leaf.
The present invention provides a kind of method for improving Determination of Potassium in tobacco leaf, comprising the following steps:
Using nutrient solution, the tobacco leaf of the middle and late growth stage is sprayed；
The nutrient solution includes water, sylvite, Monododecylphosphate potassium and dimethyl silicone polymer.
Preferably, the sylvite is selected from one of potassium nitrate, potassium sulfate, potassium dihydrogen phosphate and dipotassium hydrogen phosphate or more
Kind；Concentration of the sylvite in nutrient solution is 3~5g/L.
Preferably, concentration of the Monododecylphosphate potassium in nutrient solution is 0.005~0.01mL/L；It is described poly-
Concentration of the dimethyl siloxane in nutrient solution is 0.0005~0.001mL/L.
Preferably, the nutrient solution further includes phosphoric acid；The pH value of the nutrient solution is 5~7.
Preferably, the tobacco plant is 1100~1200 plants/acre, and the dosage of the nutrient solution is 20L~30L/ mus.
Preferably, using nutrient solution, 40 days after transplanting~50 days tobacco leafs are sprayed.
Preferably, the spraying time be nine o'clock of morning before or 5 PM.
Preferably, the frequency that sprays is once a week；The tobacco leaf front and back sides of the middle and late growth stage are carried out every time
It sprays.
Compared with prior art, the main composition of the nutrient solution used in the present invention are as follows: sylvite, Monododecylphosphate potassium
With dimethyl silicone polymer and water etc.；The present invention is in the tobacco growing middle and later periods, to the above-mentioned nutrient solution of blade spraying.The present invention applies
With novel nourishing liquid adjusted is formulated, enables potassium element by blade, enter in tobacco plant, can effectively improve cigarette
Absorption of the leaf to potassium.Also, mode and the period that the present invention changes application nutrient solution are prevented by spraying the adjustment in period
The migration of potassium is stopped.Practice have shown that using technology of the invention, hence it is evident that improve the content of potassium element in tobacco leaf.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of nutrient solutions of Determination of Potassium in raising tobacco leaf, including water, sylvite, single dodecyl phosphorus
Acid esters potassium and dimethyl silicone polymer.
Using novel nourishing liquid provided by the invention, the Determination of Potassium in tobacco leaf can be significantly improved, to promote tobacco
Interior quality of tobacco leaf etc. is promoted.
Nutrient solution provided by the invention includes sylvite, to externally supply potassium element.In an embodiment of the present invention, described
Sylvite is selected from potassium nitrate (KNO3), potassium sulfate (K2SO4), potassium dihydrogen phosphate (KH2PO4) and dipotassium hydrogen phosphate (K2HPO4) in one
Kind is a variety of.In some embodiments of the invention, the sylvite includes potassium sulfate and dipotassium hydrogen phosphate.Of the invention another
In a little embodiments, the sylvite includes potassium nitrate, potassium sulfate and potassium dihydrogen phosphate.
In an embodiment of the present invention, concentration of the sylvite in nutrient solution can be 3~5g/L.Wherein, the sylvite
It may include potassium sulfate and dipotassium hydrogen phosphate, concentration of the potassium sulfate in nutrient solution is 2~3g/L.The potassium sulfate is being sought
Concentration in nutrient solution is preferably 3g/L, and concentration of the dipotassium hydrogen phosphate in nutrient solution is 2g/L.The sylvite may include
Potassium nitrate, potassium sulfate and potassium dihydrogen phosphate；Concentration of the potassium sulfate in nutrient solution is 1~2g/L, the potassium dihydrogen phosphate
Concentration in nutrient solution is 1~2g/L.Concentration of the potassium sulfate in nutrient solution is preferably 2g/L, the potassium dihydrogen phosphate
Concentration in nutrient solution is preferably 2g/L, and concentration of the potassium nitrate in nutrient solution is 1g/L.
Nutrient solution provided by the invention includes Monododecylphosphate potassium, abbreviation 1-isobutyl-3,5-dimethylhexylphosphoric acid potassium, molecule
Formula is C12H25OPO3K2.In a preferred embodiment of the invention, concentration of the Monododecylphosphate potassium in nutrient solution
For 0.005~0.01mL/L.
In the present invention, the nutrient solution includes dimethyl silicone polymer, is a kind of different polymerization degree chain structure
Organosiloxane.The present invention can use the commercial product of dimethyl silicone polymer；The dimethyl silicone polymer is in nutrient solution
In concentration can be 0.0005~0.001mL/L.Sylvite, Monododecylphosphate potassium and poly- diformazan in nutrient solution of the present invention
The components collective effect such as radical siloxane effectively improves absorption of the tobacco leaf to potassium.
The nutrient solution prescription of the preferred embodiment of the present invention is as follows: the concentration of sylvite is 3~5g/L, Monododecylphosphate
The concentration of potassium is 0.005~0.01mL/L, and the concentration of dimethyl silicone polymer is 0.0005~0.001mL/L.Wherein, single 12
If the concentration of alkyl phosphate potassium and dimethyl silicone polymer is too small, absorption of the tobacco leaf to potassium can be influenced to a certain extent；
If concentration is excessive, quality of tobacco can be reduced, reduces the industrial applicability of tobacco leaf.
Nutrient solution provided by the invention includes water；In an embodiment of the present invention, the pH value of the nutrient solution be generally 5~
7.Preferably, the nutrient solution further includes phosphoric acid, have the effects that adjust pH value.Preparation side of the present invention to the nutrient solution
Method is not particularly limited, and is prepared according to the mixed method of this field routine.
In some embodiments of the invention, the specific formula of 1L nutrient solution is as follows: potassium nitrate 0.1%, potassium sulfate
0.2%, potassium dihydrogen phosphate 0.2%, 0.0005%~0.001% volume fraction of Monododecylphosphate potassium, poly dimethyl silicon
0.00005%~0.0001% volume fraction of oxygen alkane.Specific preparation method is as follows:
By taking the nutrient solution for preparing 10L as an example, 10g potassium nitrate, 20g potassium sulfate, 20g potassium dihydrogen phosphate are weighed respectively, uses water
After being completely dissolved, pour into the container of 10L, then be added 0.05mL~0.1mL Monododecylphosphate potassium, 0.005mL~
0.01mL dimethyl silicone polymer, after mixing well, constant volume is to 10L, then with phosphorus acid for adjusting pH value to 6 or so, compounding
It completes.
In other embodiments of the invention, the specific formula of the nutrient solution is as follows: potassium sulfate 0.3%, phosphoric acid hydrogen
Dipotassium 0.2%, 0.001% volume fraction of Monododecylphosphate potassium, 0.0001% volume fraction of dimethyl silicone polymer.
Present invention also provides a kind of methods of Determination of Potassium in raising tobacco leaf, comprising the following steps:
Using nutrient solution, the tobacco leaf of the middle and late growth stage is sprayed；
The nutrient solution includes water, sylvite, Monododecylphosphate potassium and dimethyl silicone polymer.
Method provided by the present application can improve the content of potassium element in tobacco leaf, to be conducive to the industrial applicability of tobacco leaf.
The main composition of nutrient solution used in the present invention are as follows: sylvite, Monododecylphosphate potassium and polydimethylsiloxanes
Alkane and water etc.；The content of the nutrient solution is as it was noted above, this is no longer going to repeat them.
Tradition is also paid to ping the method for spraying and improving potassium contents in blade, but since anaphase blade structure is careful
Close, the potassium sprayed hardly enters blade.The method of the present invention is applied to tobacco leaf by the formula of change nutrient solution,
Enable potassium by blade, enter in plant, to effectively raise absorption of the tobacco leaf to potassium.
The present invention sprays above-mentioned nutrient solution to the tobacco leaf of the middle and late growth stage.The present invention changes tradition and mends potassium period,
Benefit potassium is carried out in the middle and later periods of tobacco leaf growth, reduces transfer of the potassium from old leaf to young leaves.Meanwhile the present invention changes tradition
The mode for mending potassium, takes the mode effectively sprayed, avoids the drop because of potassium absorption efficiency caused by middle and later periods Senescence of Root System
It is low.
Tobacco belongs to Solanaceae cigarette category, tubular flower subject, is the limited herbaceos perennial of annual work, and cultivation type has Huang
Henbane and Nicotiana tabacum etc.；It originates from South America, is distributed mainly on South America, South Asia and China.The all one's life of tobacco according to
Its growth characteristic and procreation enviroment and managerial convenience were divided into it two big stages: being seedbed phase and field period respectively.
The seedbed phase refers to from being seeded into before seedling is transplanted to crop field this period, about 60~70 days, when can be roughly divided into four fertilities
Phase: 1, seeding stage；2, the cross phase；3, it takes root the phase；4, seedling stage.It and is for a period of time crop field from being transplanted to tobacco leaf picking to finish this
Phase successively includes also these fertilities of seedling stage, group's phase (also known as stretching the root phase), prosperous growth phase and maturity period generally at 100~130 days
Period.
In the present invention, the middle and late growth stage of tobacco refer to group interim back segment after or the prosperous growth phase after period.This
Inventive embodiments can be carried out in table mountain Ye County Guizhou base Zhong Yan unit；In an embodiment of the present invention, after tobacco transplant
40 days~50 days, preferably 45 days beginning blade sprayings.
For the concrete mode that the present invention sprays, can spray weekly primary；And the front and back sides of blade are sprayed.
In an embodiment of the present invention, spraying time was generally before nine o'clock of morning or the preparation of the 5 PM sun is set；Or
It sprays at the cloudy day, not sprayed in the rainy day never.In an embodiment of the present invention, plant per acre 1100~1200 plants of cigarette,
It is preferred that 1120 plants, nutrient solution dosage is 20L~30L per acre；Other cultivation steps are according to local conventional High Quality Tobacco production technology
It carries out.
In conclusion the present invention changes the formula of nutrient solution, by the application of novel nourishing liquid, cigarette is effectively improved
Absorption of the leaf to potassium.The present invention changes mode and the period of application nutrient solution, by the adjustment for spraying period, it is therefore prevented that potassium
The migration of element.Practice have shown that using technology of the invention, hence it is evident that improve the content of potassium element in tobacco leaf.
For a further understanding of the application, below with reference to embodiment to Determination of Potassium in raising tobacco leaf provided by the present application
Method be specifically described.
Embodiment 1
10g potassium nitrate, 20g potassium sulfate, 20g potassium dihydrogen phosphate are weighed respectively, after being completely dissolved with water, pour into the appearance of 10L
Then 0.05mL Monododecylphosphate potassium (the modest and amiable Chemical Co., Ltd.'s production in Nantong City), the poly- diformazan of 0.005mL is added in device
Radical siloxane (production of Guangzhou dongle Chemical Co., Ltd.), after mixing well, constant volume is to 10L, then with phosphorus acid for adjusting pH value to 6,
Obtain nutrient solution.
Embodiment 2
10g potassium nitrate, 20g potassium sulfate, 20g potassium dihydrogen phosphate are weighed respectively, after being completely dissolved with water, pour into the appearance of 10L
Then 0.1mL Monododecylphosphate potassium, 0.01mL dimethyl silicone polymer is added in device, after mixing well, constant volume to 10L,
Nutrient solution is obtained to 6 with phosphorus acid for adjusting pH value again.
Embodiment 3
By 30g (0.3%) K2SO4, 20g (0.2%) K2HPO4It after being completely dissolved with water, pours into the container of 10L, then
0.1mL (0.001%) 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, 0.001mL (0.0001%) dimethyl silicone polymer is added, mixes well
Afterwards, constant volume is to 10L, then with phosphorus acid for adjusting pH value to 6, obtains nutrient solution.
Embodiment 4
- 2015 years 2013 3 years continuous, and in table mountain Ye County Guizhou base Zhong Yan, unit is tested, the base cigarette
Determination of Potassium is lower in leaf, seriously affects the industrial applicability of the base tobacco leaf.For this purpose, having carried out novel raising in the base
The implementation of potassium method, the specific method is as follows:
The base tobacco leaf transplanting time is April 25, is sprayed within 10th in June；1120 plants of cigarette are planted per acre, per acre
Nutrient solution dosage is 20L.It sprays weekly once, the front and back sides of blade is sprayed, each spraying time is 8 a.m.
To between 9 points, continuous spraying two months, 10 end of day of August.
Contrast groups are as follows: spray the KH that mass concentration is 0.3%2PO4Aqueous solution (contrast groups 1) and spray clear water (contrast groups
2), contrast groups 3 are same as Example 1 but are free of dimethyl silicone polymer, and contrast groups 4 are same as Example 1 but are free of ten
Dialkyl phosphate sylvite.Contrast groups are consistent with the spraying method of test group of the embodiment of the present invention, through flame photometer to tobacco leaf
In potassium ion detected, as a result referring to table 1, table 1 is the spraying effect comparison of the embodiment of the present invention and contrast groups.
The comparison of the spraying effect of 1 embodiment of the present invention of table and contrast groups
According to above-mentioned test, compared with spraying clear water, 0.3%KH is only sprayed2PO4Potassium contents improve in the tobacco leaf of processing
6% or so, but do not reach significant level；And potassium in the tobacco leaf of novel nourishing liquid of the present invention processing is used to improve
21.5% or more, significant difference.
By the application of 3 years this method, the potassium element of cigarette tobacco bases is significantly improved in the Guizhou of table mountain Ye County, and 2013
Determination of Potassium is 1.1% in the unit tobacco leaf of table mountain Ye County base, and 2014 are 1.35%, and 2015 are 1.57%.Thus
Show that the present invention sprays formula novel nourishing liquid adjusted in the middle and late growth stage, can effectively improve suction of the tobacco leaf to potassium
It receives, the migration of potassium is prevented, to significantly improve the content of potassium in tobacco leaf.
The above is only a preferred embodiment of the present invention, it is noted that for making the professional technique of the art
Personnel are that by various modifications to these embodiments without departing from the technical principles of the invention, and these
Modification also should be regarded as the range that the present invention should protect.
Claims (8)
1. a kind of method for improving Determination of Potassium in tobacco leaf, comprising the following steps:
Using nutrient solution, the tobacco leaf of the middle and late growth stage is sprayed；
The nutrient solution includes water, sylvite, Monododecylphosphate potassium and dimethyl silicone polymer.
2. the method according to claim 1, wherein the sylvite is selected from potassium nitrate, potassium sulfate, potassium dihydrogen phosphate
With one of dipotassium hydrogen phosphate or a variety of；Concentration of the sylvite in nutrient solution is 3~5g/L.
3. according to the method described in claim 2, it is characterized in that, the Monododecylphosphate potassium is dense in nutrient solution
Degree is 0.005~0.01mL/L；Concentration of the dimethyl silicone polymer in nutrient solution is 0.0005~0.001mL/L.
4. according to the method described in claim 3, it is characterized in that, the nutrient solution further includes phosphoric acid；The pH of the nutrient solution
Value is 5~7.
5. method according to any one of claims 1 to 4, which is characterized in that the tobacco plant is 1100~1200
Plant/acre, the dosage of the nutrient solution is 20L~30L/ mus.
6. the method according to claim 1, wherein using nutrient solution, to 40 days after transplanting~50 days tobaccos
Blade is sprayed.
7. the method according to claim 1, wherein the spraying time be nine o'clock of morning before or afternoon
5 points.
8. the method according to claim 1, wherein the frequency that sprays is once a week；Every time in growth
The tobacco leaf front and back sides in later period are sprayed.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117953A (en) * | 1995-06-29 | 1996-03-06 | 贾宏山 | High-activity foliage-dressing fertilizer |
| CN101693636A (en) * | 2009-10-21 | 2010-04-14 | 河南农业大学 | High-potash fertilizer special for tobaccos |
| CN102249801A (en) * | 2011-05-11 | 2011-11-23 | 中国烟草总公司郑州烟草研究院 | Solvent for increasing potassium content of tobacco leaves and application method thereof |
| CN102598947A (en) * | 2012-03-20 | 2012-07-25 | 湖南金叶肥料有限责任公司 | Tobacco package fertilization method |
| CN104909908A (en) * | 2015-06-17 | 2015-09-16 | 广东中烟工业有限责任公司 | Field flue-cured tobacco regulator, and preparation method and application thereof |
| CN105580550A (en) * | 2015-12-11 | 2016-05-18 | 湖南农业大学 | Fertilizing method for increasing content of potassium in tobacco leaves of K326 flue-cured tobacco variety |
-
2017
- 2017-09-15 CN CN201710833719.7A patent/CN109831994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117953A (en) * | 1995-06-29 | 1996-03-06 | 贾宏山 | High-activity foliage-dressing fertilizer |
| CN101693636A (en) * | 2009-10-21 | 2010-04-14 | 河南农业大学 | High-potash fertilizer special for tobaccos |
| CN102249801A (en) * | 2011-05-11 | 2011-11-23 | 中国烟草总公司郑州烟草研究院 | Solvent for increasing potassium content of tobacco leaves and application method thereof |
| CN102598947A (en) * | 2012-03-20 | 2012-07-25 | 湖南金叶肥料有限责任公司 | Tobacco package fertilization method |
| CN104909908A (en) * | 2015-06-17 | 2015-09-16 | 广东中烟工业有限责任公司 | Field flue-cured tobacco regulator, and preparation method and application thereof |
| CN105580550A (en) * | 2015-12-11 | 2016-05-18 | 湖南农业大学 | Fertilizing method for increasing content of potassium in tobacco leaves of K326 flue-cured tobacco variety |
Non-Patent Citations (5)
| Title |
|---|
| 上海钾盐工程技术研究中心: "《中国钾盐工业概览》", 31 July 2009, 上海交通大学出版社 * |
| 国家烟草专卖局科技教育司编: "《跨世纪烟草农业科技展望和持续发展战略研讨会论文集》", 31 December 1999, 中国商业出版社 * |
| 杨继生: "《表面活性剂原理与应用》", 31 December 2012, 东南大学出版社 * |
| 章基凯: "《有机硅材料》", 31 October 1999, 中国物资出版社 * |
| 陈怡儒等: "《图解日用品安全全书》", 31 May 2015, 湖南科学技术出版社 * |
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