CN109258040A - A kind of fertilizing method improving junior tobacco leaf nicotine content - Google Patents
A kind of fertilizing method improving junior tobacco leaf nicotine content Download PDFInfo
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- CN109258040A CN109258040A CN201811377976.5A CN201811377976A CN109258040A CN 109258040 A CN109258040 A CN 109258040A CN 201811377976 A CN201811377976 A CN 201811377976A CN 109258040 A CN109258040 A CN 109258040A
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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
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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
- A01G22/45—Tobacco
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Abstract
The invention discloses a kind of fertilizing methods for improving junior tobacco leaf nicotine content, include the following steps: (1) basal dressing；(2) a phase top dressing is rolled into a ball；(3) prosperous growth top dressing early period；(4) prosperous growth mid-term top dressing.The present invention can effectively improve flue-cured tobacco nicotine content, promote quality of tobacco and its industrial applicability；Production cost is reduced, the economic benefit of tobacco leaf is improved；The utilization efficiency of nitrogenous fertilizer is improved, pollution of area source risk caused by excessive fertilization is reduced；The artificial investment during fertilising is substantially reduced, fertilising efficiency is improved.
Description
Technical field
The invention belongs to tobacco planting fields, and in particular to a kind of fertilizing method for improving junior tobacco leaf nicotine content.
Background technique
Nicotine is the main alkaloid being accumulated in tobacco leaf, and the acceptability of it and quality of tobacco and product has important
Connection, be influence quality of tobacco an important factor for one of.When nicotine content in tobacco leaf is lower, quality of tobacco will affect, lead
Cause tobacco incense tolerance obviously insufficient, miscellaneous gas is lighter, and jealous slightly puckery, smoke is thin.Nitrogen application and the close phase of nicotine content of tobacco leaves
It closes.Studies have shown that nicotine content of tobacco leaves is in 2.5% ~ 3.5%(middle leaf) between when, tobacco leaf chemical quality is preferable, industrial utilization
It is higher.
2 months 2015 Ministry of Agriculture have printed and distributed " to fertilizer application amount zero growth rate action scheme in 2020 ", ask to 2020
Year, strive that staple crops fertilizer application amount realizes zero growth rate.In this context, flue-cured tobacco amount of nitrogen gradually decontrol, so that in recent years
Carry out junior tobacco leaf nicotine content to be declined, part cigarette district nicotine content of tobacco leaves is lower than 2.0%, affects quality of tobacco and its work
Industry availability.It is generally realized by increasing dose merely currently, improving blade nicotine content, under the technical approach: a side
Face, junior tobacco leaf nicotine content controllability is not high, often leads to leaf-nitrogen and absorbs excessively, influences quality of tobacco；On the other hand,
It is unfavorable for the control fertilizer synergy of production process of flue-cured tobacco, reduces fertilizer (nitrogen) utilization efficiency, increase production cost, it is raw reduces flue-cured tobacco
Produce benefit.
In this regard, the present invention has developed a kind of fertilizing method for improving junior tobacco leaf nicotine content, while controlling nitrogenous fertilizer investment,
Cured tobacco production benefit improves the utilization efficiency of nitrogenous fertilizer, reduces pollution of area source risk caused by excessive fertilization.
Summary of the invention
The purpose of the present invention is to provide a kind of fertilizing methods for improving junior tobacco leaf nicotine content.
The object of the present invention is achieved like this, the described method comprises the following steps:
(1) basal dressing: 0~7 day before flue-cured tobacco transplanting, by 20 ~ 30 kg/667m of cake fertilizer2With 10 ~ 20kg/ of Special compound fertilizer for tobacco
667m2It after mixing, uniformly imposes on the soil to ridging, moisture in the soil is managed on the ridge that then recurs；
(2) a phase top dressing is rolled into a ball: 30~35 days after cigarette strain transplanting, by 5 ~ 10kg/667m of potassium nitrate fertilizer2Carry out liquid manure soluble in water
Integrated drop irrigation fertilising, concentration of fertilizer control is 0.2%~0.4% during fertilising；
(3) prosperous growth top dressing early period: 37~44 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.3%~0.5% during fertilising；
(4) prosperous growth mid-term top dressing: 44~51 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.4%~0.6% during fertilising.
Compared with prior art, the invention has the following advantages:
1, the present invention can effectively improve flue-cured tobacco nicotine content, promote quality of tobacco and its industrial applicability；Production cost is reduced, is mentioned
The economic benefit of high tobacco leaf；The utilization efficiency of nitrogenous fertilizer is improved, pollution of area source risk caused by excessive fertilization is reduced；It substantially reduces and applies
Artificial investment during fertilizer improves fertilising efficiency.
2, nitrogen (fertilizer) amount is applied the present invention is based on lower, that is, realizes the production of high-nicotine raw tobacco material, reduces and be produced into
This, improves the economic benefit of tobacco leaf；
3, stage of topdressing of the present invention is all made of the fertigation of water-fertilizer integral, effectively increases the utilization efficiency of nitrogenous fertilizer, reduces
Pollution of area source risk caused by excessive fertilization；
4, stage of topdressing of the present invention is all made of the fertigation of water-fertilizer integral, significantly reduces the artificial throwing during fertilising
Enter, improves fertilising efficiency.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
The fertilizing method of the present invention for improving junior tobacco leaf nicotine content, comprising the following steps:
(1) basal dressing: 0~7 day before flue-cured tobacco transplanting, by 20 ~ 30 kg/667m of cake fertilizer2With 10 ~ 20kg/ of Special compound fertilizer for tobacco
667m2It after mixing, uniformly imposes on the soil to ridging, moisture in the soil is managed on the ridge that then recurs；
(2) a phase top dressing is rolled into a ball: 30~35 days after cigarette strain transplanting, by 5 ~ 10kg/667m of potassium nitrate fertilizer2Carry out liquid manure soluble in water
Integrated drop irrigation fertilising, concentration of fertilizer control is 0.2%~0.4% during fertilising；
(3) prosperous growth top dressing early period: 37~44 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.3%~0.5% during fertilising；
(4) prosperous growth mid-term top dressing: 44~51 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.4%~0.6% during fertilising.
Further, uniform impose on is specially the soil center line uniformly imposed on to ridging on the soil to ridging
The two sides region 8 ~ 12cm.
Further, the cake fertilizer is the sesame cake fertilizer after abundant fermentation maturity, the content of organic matter >=45%.
Further, the Special compound fertilizer for tobacco N:P2O5:K2O =10:10:24。
Further, the flue-cured tobacco is field cigarette, and Special compound fertilizer for tobacco dosage is 10 kg/667m2。
Further, the flue-cured tobacco is mountainous region cigarette, and Special compound fertilizer for tobacco dosage is 20 kg/667m2。
Further, calcium ammonium nitrate fertilizer nitrogen content >=15.5%.
Further, during the water-fertilizer integral fertigation, the paving mode of dropper band is single ridge uniline, drop
Head spacing is 30cm.
Further, the total amount of nitrogen of whole fertilizer of the fertilizing method is 3.0 ~ 6.0 kgN/667m2。
In following embodiment 1-4, the kind of the tobacco seedlings used is identical, and plot used in soil of the same race belongs to the same area.
The baking method of tobacco leaf is also identical.Field management is carried out by sound tobacco production technology, the flowers are in blossom at center first bind, single plant stays
Number of sheets 18-20 piece.
The analysis of junior tobacco leaf nicotine (YC/T160-2002) content is carried out with AA3 Continuous Flow Analysis instrument.
Economic benefit measuring method: production as unit picking and roasting and is surveyed using cell.It is classified, is calculated as unit of processing
Upper medium grade cigarette ratio, the output value.
Nitrogen utilization efficiency calculation method: 4 plants of cigarettes are acquired in the flue-cured tobacco maturity period, H is used after water-removing2SO4Mixing accelerates
Agent-way of distillation measures total nitrogen.N-fertilizer efficiency, the nitrogen utilization efficiency=(area Shi Dan amount of nitrogen sucking-are calculated using minusing
Control treatment amount of nitrogen sucking)/amount of nitrogen × 100%.
Embodiment 1: fertilizing method (grinding and field cigarette Yunnan Yuxi) of the invention
(1) basal dressing: 1 day before flue-cured tobacco transplanting, by cake fertilizer 20kg/667m2With Special compound fertilizer for tobacco (N:P2O5:K2O =10:
10:24) 10kg/667m2(center line two sides about 10 cm region) after mixing, is uniformly applied on the soil to ridging, then again
Ridging manages moisture in the soil；
(2) a phase top dressing is rolled into a ball: 30 days after cigarette strain transplanting, by potassium nitrate 5kg/667m2Fertilizer progress fertigation (water soluble in water
Fertile integration), concentration of fertilizer control is 0.3% during fertilising；
(3) prosperous growth top dressing early period: 37 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 5kg/667m2It is soluble in water carry out irrigate apply
Fertile (water-fertilizer integral), concentration of fertilizer control is 0.4% during fertilising；
(4) prosperous growth mid-term top dressing: 44 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 5kg/667m2It is soluble in water carry out irrigate apply
Fertile (water-fertilizer integral), concentration of fertilizer control is 0.5% during fertilising；
Embodiment 2: traditional fertilization method (is ground and field cigarette Yunnan Yuxi)
(1) site preparation basal dressing: transplanting first 1 day, before tobacco field ridging, applies Special compound fertilizer for tobacco (N:P2O5:K2O =10:10:
24) 25kg/667m2, (about 10 region cm of center line two sides) is uniformly applied on the soil to ridging, and moisture in the soil is managed on the ridge that then recurs；
(2) band liquid manure is transplanted: when transplanting tobacco seedlings, by Special compound fertilizer for tobacco (N:P2O5:K2O=10:10:24) 5kg/
667m2, with water 1650kg/667m2Rich water is prepared, is poured later by 1.5kg/ plants of rich water amount；
(3) it applies and mentions seed manure: 7 days after transplanting tobacco seedlings, potassium nitrate 5kg/667m2 being watered 500kg/667m2It pours and applies；
(4) spraying fertilizer: transplanting tobacco seedlings after 35 days, a duck eye is made a call in ridge face at from cigarette strain 20cm, by Special compound fertilizer for tobacco (N:
P2O5:K2O=10:10:24) 25kg/667m2, 10 kg/667m of potassium nitrate2After mixing, apply hole in simultaneously blinding.
Embodiment 3: fertilizing method (the Yunnan Yuxi mountainous region E Shan cigarette) of the invention
(1) basal dressing: 1 day before flue-cured tobacco transplanting, by cake fertilizer 30kg/667m2With Special compound fertilizer for tobacco (N:P2O5:K2O =10:
10:24) 20kg/667m2(center line two sides about 10 cm region) after mixing, is uniformly applied on the soil to ridging, then again
Ridging manages moisture in the soil；
(2) a phase top dressing is rolled into a ball: 30 days after cigarette strain transplanting, by potassium nitrate 10kg/667m2Fertilizer carry out fertigation soluble in water
(water-fertilizer integral), concentration of fertilizer control is 0.3% during fertilising；
(3) prosperous growth top dressing early period: 37 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 10kg/667m2It is soluble in water carry out irrigate apply
Fertile (water-fertilizer integral), concentration of fertilizer control is 0.4% during fertilising；
(4) prosperous growth mid-term top dressing: 44 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 5kg/667m2It is soluble in water carry out irrigate apply
Fertile (water-fertilizer integral), concentration of fertilizer control is 0.5% during fertilising；
Embodiment 4: traditional fertilization method (the Yunnan Yuxi mountainous region E Shan cigarette)
(1) site preparation basal dressing: transplanting first 1 day, before tobacco field ridging, applies Special compound fertilizer for tobacco (N:P2O5:K2O =10:10:
24) 30kg/667m2, (about 10 region cm of center line two sides) is uniformly applied on the soil to ridging, and moisture in the soil is managed on the ridge that then recurs；
(2) band liquid manure is transplanted: when transplanting tobacco seedlings, by Special compound fertilizer for tobacco (N:P2O5:K2O=10:10:24) 5kg/
667m2, with water 1650kg/667m2Rich water is prepared, is poured later by 1.5kg/ plants of rich water amount；
(3) it applies and mentions seed manure: 7 days after transplanting tobacco seedlings, by potassium nitrate 10kg/667m2It is watered 500kg/667m2It pours and applies；
(4) spraying fertilizer: transplanting tobacco seedlings after 35 days, a duck eye is made a call in ridge face at from cigarette strain 20cm, by Special compound fertilizer for tobacco (N:
P2O5:K2O=10:10:24) 30kg/667m2, 10 kg/667m of potassium nitrate2After mixing, apply hole in simultaneously blinding.
Test example 1 --- yield of flue-cured tobacco, the output value, junior tobacco leaf nicotine content and nitrogen utilization efficiency analysis
As shown in table 1 by yield of flue-cured tobacco, the output value, junior tobacco leaf nicotine content and the nitrogen utilization efficiency analysis in embodiment 1 ~ 4.
Table 1: middle leaf (C3F grade) nicotine content of tobacco leaves, flue-cured tobacco economic benefit and Nitrogen utility situation
As shown in Table 1, compared with Example 2,1 middle part junior tobacco leaf nicotine content of embodiment improves 26.1%；With embodiment 4
It compares, 3 middle part junior tobacco leaf nicotine content of embodiment improves 36.8%.As it can be seen that the present invention effectively improves flue-cured tobacco nicotine content,
Improve quality of tobacco and its industrial applicability.
In terms of flue-cured tobacco economic characters, compared with Example 2,1 yield of tobacco of embodiment, the output value and better-than-average cigarette ratio difference
10.6%, 19.7% and 10.7% is improved, while recruitment cost of applying fertilizer reduces 1.7 works；Compared with Example 4, embodiment 3
Yield of tobacco, the output value and better-than-average cigarette ratio have been respectively increased 15.7%, 25.8% and 13.3%, while recruitment cost reduction of applying fertilizer
1.7 works.As it can be seen that stage of topdressing of the present invention is all made of fertigation (water-fertilizer integral), during significantly reducing fertilising
Artificial investment, improve fertilising efficiency.
In terms of Nitrogen utility situation, compared with Example 2,1 tobacco field nitrogen input amount of embodiment reduces 57.3%, simultaneously
Nitrogen utilization efficiency improves 34.3 percentage points；Compared with Example 4,3 tobacco field nitrogen input amount of embodiment reduces 39.1%,
Nitrogen utilization efficiency improves 37.9 percentage points simultaneously.As it can be seen that one aspect of the present invention can apply nitrogen (fertilizer) amount based on lower, i.e., in fact
The production of high-nicotine raw tobacco material is showed, has reduced production cost, improve the economic benefit of tobacco leaf；On the other hand, due to the present invention
Stage of topdressing is all made of fertigation (water-fertilizer integral), effectively increases the utilization efficiency of nitrogenous fertilizer, reduces excessive fertilization and leads
The pollution of area source risk of cause.
Embodiment 5
A kind of fertilizing method improving junior tobacco leaf nicotine content, comprising the following steps:
(1) basal dressing: 0 day before flue-cured tobacco transplanting, by 20 kg/667m of cake fertilizer2With Special compound fertilizer for tobacco 10kg/667m2Mixing
Afterwards, the soil center line two sides region 8cm to ridging is uniformly imposed on, moisture in the soil is managed on the ridge that then recurs；The cake fertilizer is sufficiently to be sent out
Sesame cake fertilizer after ferment is decomposed, the content of organic matter >=45%；The Special compound fertilizer for tobacco N:P2O5:K2O =10:10:24；Institute
The flue-cured tobacco stated is field cigarette；
(2) a phase top dressing is rolled into a ball: 30 days after cigarette strain transplanting, by potassium nitrate fertilizer 5kg/667m2Carry out water-fertilizer integral soluble in water
Fertigation, concentration of fertilizer control is 0.4% during fertilising；
(3) prosperous growth top dressing early period: 37 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 5kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.5% during fertilising；
(4) prosperous growth mid-term top dressing: 44 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 5kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.6% during fertilising.
Calcium ammonium nitrate fertilizer nitrogen content >=15.5%.During the water-fertilizer integral fertigation, dropper band
Paving mode be single ridge uniline, water dropper spacing is 30cm.The total amount of nitrogen of whole fertilizer of the fertilizing method is 3.0 kgN/
667m2。
Embodiment 6
A kind of fertilizing method improving junior tobacco leaf nicotine content, comprising the following steps:
(1) basal dressing: 7 days before flue-cured tobacco transplanting, by 30 kg/667m of cake fertilizer2With Special compound fertilizer for tobacco 20kg/667m2Mixing
Afterwards, the soil center line two sides region 12cm to ridging is uniformly imposed on, moisture in the soil is managed on the ridge that then recurs；The cake fertilizer is sufficiently to be sent out
Sesame cake fertilizer after ferment is decomposed, the content of organic matter >=45%；The Special compound fertilizer for tobacco N:P2O5:K2O =10:10:24；Institute
The flue-cured tobacco stated is mountainous region cigarette；
(2) a phase top dressing is rolled into a ball: 35 days after cigarette strain transplanting, by potassium nitrate fertilizer 10kg/667m2Carry out water-fertilizer integral soluble in water
Fertigation, concentration of fertilizer control is 0.2% during fertilising；
(3) prosperous growth top dressing early period: 44 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 10kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.3% during fertilising；
(4) prosperous growth mid-term top dressing: 51 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 10kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.4% during fertilising.
Calcium ammonium nitrate fertilizer nitrogen content >=15.5%.During the water-fertilizer integral fertigation, dropper band
Paving mode be single ridge uniline, water dropper spacing is 30cm.The total amount of nitrogen of whole fertilizer of the fertilizing method is 6.0 kgN/
667m2。
Embodiment 7
A kind of fertilizing method improving junior tobacco leaf nicotine content, comprising the following steps:
(1) basal dressing: 3 days before flue-cured tobacco transplanting, by 25 kg/667m of cake fertilizer2With Special compound fertilizer for tobacco 15kg/667m2Mixing
Afterwards, the soil center line two sides region 10cm to ridging is uniformly imposed on, moisture in the soil is managed on the ridge that then recurs；The cake fertilizer is sufficiently to be sent out
Sesame cake fertilizer after ferment is decomposed, the content of organic matter >=45%；The Special compound fertilizer for tobacco N:P2O5:K2O =10:10:24；
(2) a phase top dressing is rolled into a ball: 32 days after cigarette strain transplanting, by potassium nitrate fertilizer 8kg/667m2Carry out water-fertilizer integral soluble in water
Fertigation, concentration of fertilizer control is 0.3% during fertilising；
(3) prosperous growth top dressing early period: 40 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 8kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.4% during fertilising；
(4) prosperous growth mid-term top dressing: 48 days after cigarette strain transplanting, by calcium ammonium nitrate fertilizer 8kg/667m2Progress liquid manure one soluble in water
Body fertigation, concentration of fertilizer control is 0.5% during fertilising.
Calcium ammonium nitrate fertilizer nitrogen content >=15.5%.During the water-fertilizer integral fertigation, dropper band
Paving mode be single ridge uniline, water dropper spacing is 30cm.The total amount of nitrogen of whole fertilizer of the fertilizing method is 5.0 kgN/
667m2。
Claims (9)
1. a kind of fertilizing method for improving junior tobacco leaf nicotine content, it is characterised in that the following steps are included:
(1) basal dressing: 0~7 day before flue-cured tobacco transplanting, by 20 ~ 30 kg/667m of cake fertilizer2With 10 ~ 20kg/ of Special compound fertilizer for tobacco
667m2It after mixing, uniformly imposes on the soil to ridging, moisture in the soil is managed on the ridge that then recurs；
(2) a phase top dressing is rolled into a ball: 30~35 days after cigarette strain transplanting, by 5 ~ 10kg/667m of potassium nitrate fertilizer2Carry out liquid manure soluble in water
Integrated drop irrigation fertilising, concentration of fertilizer control is 0.2%~0.4% during fertilising；
(3) prosperous growth top dressing early period: 37~44 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.3%~0.5% during fertilising；
(4) prosperous growth mid-term top dressing: 44~51 days after cigarette strain transplanting, by 5 ~ 10kg/667m of calcium ammonium nitrate fertilizer2Progress soluble in water
Water-fertilizer integral fertigation, concentration of fertilizer control is 0.4%~0.6% during fertilising.
2. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that described is uniform
Imposing on is specially the soil center line two sides region 8 ~ 12cm uniformly imposed on to ridging on the soil to ridging.
3. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the cake fertilizer
For the sesame cake fertilizer after abundant fermentation maturity, the content of organic matter >=45%.
4. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the tobacco
Special complex fertilizer N:P2O5:K2O =10:10:24。
5. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the flue-cured tobacco
For field cigarette, Special compound fertilizer for tobacco dosage is 10 kg/667m2。
6. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the flue-cured tobacco
For mountainous region cigarette, Special compound fertilizer for tobacco dosage is 20 kg/667m2。
7. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the nitric acid
Ammonium calcareous fertilisers material nitrogen content >=15.5%.
8. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the liquid manure
During integrated drop irrigation fertilising, the paving mode of dropper band is single ridge uniline, and water dropper spacing is 30cm.
9. the fertilizing method according to claim 1 for improving junior tobacco leaf nicotine content, it is characterised in that the fertilising side
The total amount of nitrogen of whole fertilizer of method is 3.0 ~ 6.0 kgN/667m2。
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Cited By (5)
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| CN109699426A (en) * | 2019-02-25 | 2019-05-03 | 上海烟草集团有限责任公司 | Suitable for tobacco liquid manure integrated planting method |
| CN112470653A (en) * | 2020-12-09 | 2021-03-12 | 云南省烟草农业科学研究院 | Reduce and drip irrigation tobacco field N2Water and fertilizer integration method for O discharge |
| CN113179900A (en) * | 2021-05-25 | 2021-07-30 | 中国烟草总公司陕西省公司 | Planting method for promoting growth of flue-cured tobacco and improving yield and quality of flue-cured tobacco |
| CN113207601A (en) * | 2021-05-17 | 2021-08-06 | 云南省烟草公司文山州公司 | Method for improving tobacco nicotine yield per unit land area |
| CN113973560A (en) * | 2021-10-21 | 2022-01-28 | 云南省烟草农业科学研究院 | Fertilizing method for improving nicotine content of tobacco leaves |
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| 韩天华等: "云南丽江山地烤烟滴灌水肥一体化技术", 《农业工程技术•综合版》 * |
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| CN109699426A (en) * | 2019-02-25 | 2019-05-03 | 上海烟草集团有限责任公司 | Suitable for tobacco liquid manure integrated planting method |
| CN112470653A (en) * | 2020-12-09 | 2021-03-12 | 云南省烟草农业科学研究院 | Reduce and drip irrigation tobacco field N2Water and fertilizer integration method for O discharge |
| CN113207601A (en) * | 2021-05-17 | 2021-08-06 | 云南省烟草公司文山州公司 | Method for improving tobacco nicotine yield per unit land area |
| CN113207601B (en) * | 2021-05-17 | 2023-08-29 | 云南省烟草公司文山州公司 | Method for improving nicotine yield of tobacco in unit land area |
| CN113179900A (en) * | 2021-05-25 | 2021-07-30 | 中国烟草总公司陕西省公司 | Planting method for promoting growth of flue-cured tobacco and improving yield and quality of flue-cured tobacco |
| CN113973560A (en) * | 2021-10-21 | 2022-01-28 | 云南省烟草农业科学研究院 | Fertilizing method for improving nicotine content of tobacco leaves |
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Application publication date: 20190125 |