CN109042208A - A kind of cultural method promoting root system development tobacco growth early period - Google Patents
A kind of cultural method promoting root system development tobacco growth early period Download PDFInfo
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- CN109042208A CN109042208A CN201810973158.5A CN201810973158A CN109042208A CN 109042208 A CN109042208 A CN 109042208A CN 201810973158 A CN201810973158 A CN 201810973158A CN 109042208 A CN109042208 A CN 109042208A
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- 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
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0268—Mats or sheets, e.g. nets or fabrics
- A01G13/0275—Films
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
- A01M29/08—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using reflection, colours or films with specific transparency or reflectivity
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M2200/00—Kind of animal
- A01M2200/01—Insects
- A01M2200/012—Flying insects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Abstract
The invention discloses a kind of cultural methods for promoting root system development tobacco growth early period, including site preparation, fertilising, ridging, overlay film, transplanting, the present invention is on the basis of long term test and demonstration, establish a kind of cultural method for promoting root system development tobacco growth early period, this cultural method, which accelerates, stretches root phase cigarette strain root system early growth and quick tiller, promote root growth and cigarette strain growth it is harmonious, it enhances cigarette strain and resists arid ability, improve the quality and hierarchical organization of flue-cured tobacco, promotional value with higher.
Description
Technical field
The invention belongs to technical field of crop cultivation, and in particular to a kind of cultivation for promoting root system development tobacco growth early period
Culture method.
Background technique
Root system is the major organs that crop absorbs soil nutrient and moisture, the development of root system and point of soil moisture nutrient
Cloth, migration, consumption etc. are closely related, and have direct relation with crop field upper grown and yield composition.Tobacco root conduct
Anchoring organ absorbs organ and important synthetic organ, its growing state not only influences the yield of tobacco leaf, prior
It is the quality for influencing tobacco leaf.Therefore powerful root system system is cultivated, improves the ability of the absorption nutrient and moisture of root system, promotes cigarette
Leaf growth, coordinating tobacco leaf intrinsic chemical ingredient is tobacco cultivation one of critical issue urgently to be resolved.
The root system development that ridge body water content grows early period to cigarette strain when overlay film is most important.In the past 10 years, Middle And Upper Reaches of The Yangtze River
Ridge body water content is generally carried out on tobacco cultivation at present there are larger dispute when cigarette district leaf tobacco production manager is to overlay film
There is " excessive growth ", have seriously affected cigarette strain root system in " sufficient moisture in the soil " overlay film (ridge body field capacity >=80%), a group of easily leading to phase cigarette strain
Development, in the prosperous growth phase because cigarette strain root system can not meet growth demand to the absorption of nutrient and moisture, so that the number of blade is on the low side, in,
Inferior leads identity is partially thin, and upper leaf identity is partially thick, and entire cigarette strain blade hacking is poor.
Summary of the invention
The present invention provides a kind of cultural methods for promoting root system development tobacco growth early period, and the present invention is suitable for the Changjiang river
Upstream tobacco leaf producing region, it can accelerate to stretch root phase cigarette strain root system early growth and quick tiller, promote cigarette strain growth and development, improve yield of tobacco and product
Matter.
A kind of cultural method promoting root system development tobacco growth early period, including site preparation, fertilising, ridging, overlay film, transplanting,
Specifically includes the following steps:
A, site preparation: after preceding crop harvest, ploughing deeply soil, and ploughing deeply depth is 25 ~ 30cm, turns over rear rotary tillage and carefully harrows, does
It is fine crushing to upturned soil；
B, ditching-fertilizing: in the tobacco field that site preparation finishes, excavating dressing furrow according to 110 ~ 120cm distance, and fertilising trench depth is 5 ~
10cm, with guarantee tobacco root system on fertilizer layer at 2 ~ 4cm, then 1500 ~ 3000kg/hm2 of row replacement organic fertilizer and according to working as
The fertilizer special for tobacco of ground fertilising habit application corresponding amount；
C, ridging: carrying out ridging centered on dressing furrow, and level land requires the high 30 ~ 35cm in ridge, 60 ~ 70cm of ridge bottom width, and ridge face width 25 ~
30cm；Less than 15 ° hillside fields require the high 25 ~ 30cm in ridge, and 55 ~ 65cm of ridge bottom width, 30 ~ 35cm of ridge face width, the ridge body is required to even
Directly, full；
D, overlay film: the overlay film when ridge body soil moisture content reaches the 55% ~ 70% of field capacity；Mulch uses chequered with black and white film, black
Color is face-down, and white is face-up, mulch 90 ~ 100cm of width, thickness 0.008cm；
E, transplant: selection has 5 ~ 6 true leaves, and the high 4 ~ 6cm of stem, uniformly neat, leaf color yellow green, stem toughness is strong, well developed root system,
The tobacco seedlings that no disease and pests harm infects are transplanted；Beat cave by the spacing in the rows of 50 ~ 55cm before transplanting, cave 10 ~ 12cm of diameter, 15 ~ 18cm of depth,
The top of tobacco seedlings natural height is away from 3 ~ 5cm of pocket；Tobacco seedlings surrounding applies Nutrition Soil again, and every plant of tobacco seedlings are poured 1 ~ 2kg root water, sprayed
Insecticide；
F, it bankets, sealer: when tobacco seedling growth point is higher by 2 ~ 3cm of ridge face, being filled up with fine earth by cave is transplanted, and film mouth soil is close
Envelope；Enter Routine Management later.
In step B, the organic fertilizer is organic commercial fertilizer, its content of organic matter >=45.0% in terms of butt, in terms of butt
Total nutrient (N+P2O5+K2O) content >=5.0%, free water moisture content≤30.0%；
The fertilizer special for tobacco is compound fertilizer, nutrients ratio N:P2O5: K2O=1.0: 1.0~1.5: 3.0~3.5；
Ridging described in step C provides the shape on ridge top according to root phase difference rainfall is stretched；
The region ridge root phase rainfall>100mm top is stretched for a watt back shape, and stretching the region ridge root phase rainfall<100mm top is flat-top
Shape.
In step D, ridge body soil moisture content takes different overlay films according to root phase rainfall difference is stretched when the described overlay film
Standard:
When wherein stretching root phase rainfall > 200mm, overlay film when ridge body soil moisture content reaches the 55% ~ 60% of field capacity；
Stretch root phase rainfall be 100 ~ 200mm when, ridge body soil moisture content reach field capacity 60% ~ 65% when overlay film；
Stretch root phase rainfall be < 100mm when, ridge body soil moisture content reach field capacity 65% ~ 70% when overlay film.
It is described to stretch the root phase between transplanting extremely group's phase, 25 ~ 30 days after specially transplanting.
In step E, the Nutrition Soil is according to per hectare with scalping mountain forest black earth 15000kg, decomposed manure 750kg, calcium
Magnesium-phosphorus fertilizer 75kg, Special compound fertilizer for tobacco 45kg, water content is up to 20% ~ 30%, after overlay film stack retting is mixed in transplanting for first 1 month thoroughly i.e.
?.
Compared with the prior art, the invention has the following advantages that
The present invention establishes a kind of cultivation side for promoting root system development tobacco growth early period on the basis of long term test and demonstration
Method, this cultural method, which accelerates, stretches root phase cigarette strain root system early growth and quick tiller, promote root growth and cigarette strain growth it is harmonious,
It enhances cigarette strain and resists arid ability, improve the quality and hierarchical organization of flue-cured tobacco, promotional value with higher, specific advantage
It is as follows:
(1) it since the rotary cultivator that disturbance 0 ~ 10cm of surface layer soil is used for a long time in tobacco leaf producing region is leveled land, causes topsoil to shoal, leads to
It crosses to plough deeply and can improve soil physical property, increase gas permeability, raising is retained and conserved soil moisture ability, promotes root growth, under dense layer
It moves, the distributed depth and range of root system increase.
(2) root system has " to fertilizer " feature, by opening dressing furrow, increases fertilization depth, can be by flue-cured tobacco root system to soil
Deep Development not only increases Root Distribution depth, and improves utilization rate of fertilizer.
(3) there is " doing long root, wet long shoot " characteristic in flue-cured tobacco, 1-2kg/ plants of root waters be poured after tobacco seedlings transplanting, to guarantee cigarette strain
Root system surrounding aqueous amount guarantees that tobacco seedlings survive up to 90% or more field capacity, and according to stretching root phase rainfall for ridge when overlay film
Body field capacity is adjusted to 55% ~ 70%, can significantly promote and survives tobacco seedlings in the growth and development for stretching root phase root system.
(4) overlay film can stretch root phase blocking rainwater for flue-cured tobacco and largely enter in the body of ridge, keep ridge body soil water content phase
To stabilization, a good soil environment is created for cigarette strain root system development；In addition chequered with black and white mulch can play black portions
Suppression grass can be kept the temperature, white portion can reflective drive aphid etc..
Detailed description of the invention
Fig. 1 is flue-cured tobacco root growth situation data.
Specific embodiment
Embodiment one
Enforcement place is located at the Enshi State of Hubei Province Xuanen County town Jiao Yuan Luo Chuan rock village, and stretching root phase rainfall is 213.5mm.
(1) site preparation: after preceding crop harvest, ploughing deeply soil, and ploughing deeply depth is 30cm, turns over rear rotary tillage and carefully harrows,
Accomplish that upturned soil is fine crushing.
(2) ditching-fertilizing: in the tobacco field that site preparation finishes, excavating dressing furrow according to 120cm distance, and fertilising trench depth is 7cm,
Then row replacement 1800kg/hm2 organic fertilizer and corresponding fertilizer special for tobacco, wherein fertilizer special for tobacco amount of application should be according to 9kg N/
Hm2 amount subtract applying.
(3) ridging, level land ridging, the high 35cm in ridge, ridge bottom width 65cm, ridge face width ridging: are carried out centered on dressing furrow
30cm, even straight, full, the ridge top watt back shape of ridge body.
(4) overlay film: the overlay film when ridge body soil moisture content reaches the 57% of field capacity；Mulch uses chequered with black and white film, black
Color is face-down, and white is face-up, mulch width 100cm, thickness 0.008cm.
(5) transplant: selection has 6 true leaves, and the high 5cm of stem, uniformly neat, leaf color yellow green, stem toughness is strong, root system hair
It reaches, the tobacco seedlings that no disease and pests harm infects are transplanted；Cave is beaten by the spacing in the rows of 55cm before transplanting, cave diameter 10cm, deep 18cm, tobacco seedlings are certainly
The top of right height is away from pocket 4cm；Tobacco seedlings surrounding applies Nutrition Soil again, and every plant of tobacco seedlings pour 1.0kg root water, sprays a desinsection
Agent.The Nutrition Soil is according to per acre with scalping mountain forest black earth 1000kg, decomposed manure 50kg, calcium magnesium phosphate 5kg, and tobacco is dedicated
Compound fertilizer 3kg, water content is up to 25%, after overlay film stack retting is mixed in transplanting for first 1 month thoroughly to obtain the final product.
(6) it bankets, sealer: when tobacco seedling growth point is higher by ridge face 3cm, being filled up with fine earth by cave is transplanted, and film mouth is used
Soil sealing；Enter Routine Management later.
Embodiment two
Enforcement place is located at the Yichang City, Hubei Province town the Xingshan County Huang Liang village Gong Ping, and stretching root phase rainfall is 169.2mm.
(1) site preparation: after preceding crop harvest, ploughing deeply soil, and ploughing deeply depth is 25cm, turns over rear rotary tillage and carefully harrows,
Accomplish that upturned soil is fine crushing.
(2) ditching-fertilizing: in the tobacco field that site preparation finishes, dressing furrow is excavated according to 118cm distance, fertilising trench depth is
10cm, then row replacement 3000kg/hm2 organic fertilizer and corresponding fertilizer special for tobacco, wherein fertilizer special for tobacco amount of application should be according to
15.0kg N/hm2 amount subtract applying.
(3) ridging, level land ridging, the high 30cm in ridge, ridge bottom width 70cm, ridge face width ridging: are carried out centered on dressing furrow
33cm, even straight, full, the ridge top watt back shape of ridge body.
(4) overlay film: the overlay film when ridge body soil moisture content reaches the 62% of field capacity；Mulch uses chequered with black and white film, black
Color is face-down, and white is face-up, mulch width 90cm, thickness 0.008cm.
(5) transplant: selection has 6 true leaves, and the high 4cm of stem, uniformly neat, leaf color yellow green, stem toughness is strong, root system hair
It reaches, the tobacco seedlings that no disease and pests harm infects are transplanted；Cave is beaten by the spacing in the rows of 53cm before transplanting, cave diameter 12cm, deep 15cm, tobacco seedlings are certainly
The top of right height is away from pocket 5cm；Tobacco seedlings surrounding applies Nutrition Soil again, and every plant of tobacco seedlings pour 1.5kg root water, sprays a desinsection
Agent.The Nutrition Soil is according to per acre with scalping mountain forest black earth 1000kg, decomposed manure 50kg, calcium magnesium phosphate 5kg, and tobacco is dedicated
Compound fertilizer 3kg, water content is up to 30%, after overlay film stack retting is mixed in transplanting for first 1 month thoroughly to obtain the final product.
(6) it bankets, sealer: when tobacco seedling growth point is higher by ridge face 2cm, being filled up with fine earth by cave is transplanted, and film mouth is used
Soil sealing；Enter Routine Management later.
Embodiment three
Enforcement place is located at Shiyan City of the Hubei Province Yunxi County village great Xin Chuan of the township Hu Beikou, and stretching root phase rainfall is 92.1mm.
(1) site preparation: after preceding crop harvest, ploughing deeply soil, and ploughing deeply depth is 25cm, turns over rear rotary tillage and carefully harrows,
Accomplish that upturned soil is fine crushing.
(2) ditching-fertilizing: in the tobacco field that site preparation finishes, excavating dressing furrow according to 120cm distance, and fertilising trench depth is 8cm,
Then row replacement 2100kg/hm2 organic fertilizer and corresponding fertilizer special for tobacco, wherein fertilizer special for tobacco amount of application should be according to 10.5kg
N/hm2 amount subtract applying.
(3) ridging: it is the implementation less than 15 ° hillside fields, ridging, the high 25cm in ridging ridge, ridge is carried out centered on dressing furrow
Flat-top shape is pushed up on bottom width 65cm, ridge face width 35cm, even straight, the full, ridge of ridge body.
(4) overlay film: the overlay film when ridge body soil moisture content reaches the 68% of field capacity, mulch uses chequered with black and white film, black
Color is face-down, and white is face-up, mulch 90 ~ 100cm of width, thickness 0.008cm.
(5) transplant: selection has 6 true leaves, and the high 5cm of stem, uniformly neat, leaf color yellow green, stem toughness is strong, root system hair
It reaches, the tobacco seedlings that no disease and pests harm infects are transplanted；Cave is beaten by the spacing in the rows of 54cm before transplanting, cave diameter 10cm, deep 16cm, tobacco seedlings are certainly
The top of right height is away from pocket 5cm；Tobacco seedlings surrounding applies Nutrition Soil again, and every plant of tobacco seedlings pour 2.0kg root water, sprays a desinsection
Agent.The Nutrition Soil is according to per acre with scalping mountain forest black earth 1000kg, decomposed manure 50kg, calcium magnesium phosphate 5kg, and tobacco is dedicated
Compound fertilizer 3kg, water content is up to 30%, after overlay film stack retting is mixed in transplanting for first 1 month thoroughly to obtain the final product.
(6) it bankets, sealer: when tobacco seedling growth point is higher by ridge face 3cm, being filled up with fine earth by cave is transplanted, and film mouth is used
Soil sealing；Enter Routine Management later.
As shown in Figure 1, under the conditions of 3 different ecological regions, using cultural method of the present invention, flue-cured tobacco extent of the root system,
Surface area, average diameter and root volume are all larger than conventional cultivation mode, and (conventional cultivation takes rotary tillage, rotary tillage depth 10cm, no
Ditching-fertilizing, ridging height 20cm, ridge body soil moisture content is the 80% of field capacity, transplanting and sealer and this hair when overlay film
Bright cultural method is identical).
Claims (6)
1. a kind of cultural method for promoting root system development tobacco growth early period, the steps include:
A, site preparation: after preceding crop harvest, ploughing deeply soil, and ploughing deeply depth is 25 ~ 30cm, turns over rear rotary tillage and carefully harrows, does
It is fine crushing to upturned soil；
B, ditching-fertilizing: in the tobacco field that site preparation finishes, excavating dressing furrow according to 110 ~ 120cm distance, and fertilising trench depth is 5 ~
10cm, with guarantee tobacco root system on fertilizer layer at 2 ~ 4cm, then 1500 ~ 3000kg/hm2 of row replacement organic fertilizer and according to working as
The fertilizer special for tobacco of ground fertilising habit application corresponding amount；
C, ridging: carrying out ridging centered on dressing furrow, and level land requires the high 30 ~ 35cm in ridge, 60 ~ 70cm of ridge bottom width, and ridge face width 25 ~
30cm；Less than 15 ° hillside fields require the high 25 ~ 30cm in ridge, and 55 ~ 65cm of ridge bottom width, 30 ~ 35cm of ridge face width, the ridge body is required to even
Directly, full；
D, overlay film: the overlay film when ridge body soil moisture content reaches the 55% ~ 70% of field capacity；Mulch uses chequered with black and white film, black
Color is face-down, and white is face-up, mulch 90 ~ 100cm of width, thickness 0.008cm；
E, transplant: selection has 5 ~ 6 true leaves, and the high 4 ~ 6cm of stem, uniformly neat, leaf color yellow green, stem toughness is strong, well developed root system,
The tobacco seedlings that no disease and pests harm infects are transplanted；Beat cave by the spacing in the rows of 50 ~ 55cm before transplanting, cave 10 ~ 12cm of diameter, 15 ~ 18cm of depth,
The top of tobacco seedlings natural height is away from 3 ~ 5cm of pocket；Tobacco seedlings surrounding applies Nutrition Soil again, and every plant of tobacco seedlings are poured 1 ~ 2kg root water, sprayed
Insecticide；
F, it bankets, sealer: when tobacco seedling growth point is higher by 2 ~ 3cm of ridge face, being filled up with fine earth by cave is transplanted, and film mouth soil is close
Envelope；Enter Routine Management later.
2. a kind of cultural method for promoting root system development tobacco growth early period as described in claim 1, it is characterised in that:
In step B, the organic fertilizer is organic commercial fertilizer, its content of organic matter >=45.0% in terms of butt is total in terms of butt to support
Divide (N+P2O5+K2O) content >=5.0%, free water moisture content≤30.0%；
The fertilizer special for tobacco is compound fertilizer, nutrients ratio N:P2O5: K2O=1.0: 1.0~1.5: 3.0~3.5。
3. a kind of cultural method for promoting root system development tobacco growth early period as described in claim 1, it is characterised in that:
Ridging described in step C provides the shape on ridge top according to root phase difference rainfall is stretched；
The region ridge root phase rainfall>100mm top is stretched for a watt back shape, and stretching the region ridge root phase rainfall<100mm top is flat-top
Shape.
4. a kind of cultural method for promoting root system development tobacco growth early period as described in claim 1, it is characterised in that:
In step D, ridge body soil moisture content takes different overlay film standards according to root phase rainfall difference is stretched when the described overlay film:
When wherein stretching root phase rainfall > 200mm, overlay film when ridge body soil moisture content reaches the 55% ~ 60% of field capacity；
Stretch root phase rainfall be 100 ~ 200mm when, ridge body soil moisture content reach field capacity 60% ~ 65% when overlay film；
Stretch root phase rainfall be < 100mm when, ridge body soil moisture content reach field capacity 65% ~ 70% when overlay film.
5. a kind of cultural method of promotion tobacco growth root system development early period as described in claim 3 or 4, it is characterised in that:
It is described to stretch the root phase between transplanting extremely group's phase, 25 ~ 30 days after specially transplanting.
6. a kind of cultural method for promoting root system development tobacco growth early period as described in claim 1, it is characterised in that:
In step E, the Nutrition Soil is according to per hectare with scalping mountain forest black earth 15000kg, decomposed manure 750kg, calcium and magnesium phosphorus
Fertile 75kg, Special compound fertilizer for tobacco 45kg, water content is up to 20% ~ 30%, after overlay film stack retting is mixed in transplanting for first 1 month thoroughly to obtain the final product.
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Cited By (5)
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|---|---|---|---|---|
| CN109588252A (en) * | 2019-01-22 | 2019-04-09 | 云南省烟草农业科学研究院 | A kind of cultural method of flue-cured tobacco interplanting sana prevention and control tobacco root-knot |
| CN110122262A (en) * | 2019-06-19 | 2019-08-16 | 吉安市烟草公司峡江分公司 | A kind of tobacco Nutrition Soil and its preparation method |
| CN111742806A (en) * | 2020-07-01 | 2020-10-09 | 云南省烟草公司红河州公司 | Tobacco seedling drought-resistant water-retention early-growing and fast-growing cultivation method |
| CN113973680A (en) * | 2021-11-27 | 2022-01-28 | 安徽省农业科学院烟草研究所 | Method for limiting root growth |
| CN115104496A (en) * | 2022-07-26 | 2022-09-27 | 云南省烟草公司昆明市公司 | Cultivation method of Honghuadajinyuan flue-cured tobacco |
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| CN113973680A (en) * | 2021-11-27 | 2022-01-28 | 安徽省农业科学院烟草研究所 | Method for limiting root growth |
| CN115104496A (en) * | 2022-07-26 | 2022-09-27 | 云南省烟草公司昆明市公司 | Cultivation method of Honghuadajinyuan flue-cured tobacco |
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