CN111670773A - Drip irrigation method for flue-cured tobacco - Google Patents
Drip irrigation method for flue-cured tobacco Download PDFInfo
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- CN111670773A CN111670773A CN202010534448.7A CN202010534448A CN111670773A CN 111670773 A CN111670773 A CN 111670773A CN 202010534448 A CN202010534448 A CN 202010534448A CN 111670773 A CN111670773 A CN 111670773A
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- drip irrigation
- flue
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- blocking
- cured tobacco
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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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- 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
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- 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
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention provides a drip irrigation method for flue-cured tobacco, which relates to the technical field of crop cultivation and comprises the following steps: the preparation drip irrigation device comprises a drip irrigation system and a suspension system, wherein the drip irrigation system comprises a water bag, a control valve, a tee joint and an anti-blocking dripper, a water inlet is formed in the top surface of the water bag, a spiral cover is installed on the water inlet, a water outlet is formed in the bottom surface of the water bag, the water outlet is connected with a main pipe of the tee joint through a connecting pipe, the control valve is installed on the connecting pipe, and the tail ends of two branch pipes of the tee joint are connected with the anti-blocking drippe. Carrying out conventional operations of soil preparation, fertilization, ridging, film mulching and transplantation on a tobacco field, placing a drip irrigation device between two flue-cured tobaccos 30-35 days after transplantation, inserting the lower part of a support rod into soil, respectively inserting two anti-blocking drippers into the bases of the two tobacco plants, rotating a spiral cover, opening a control valve, and carrying out drip irrigation; and after the drip irrigation is finished, the drip irrigation device is withdrawn. The method has the beneficial effects of improving the utilization rate of water resources, effectively relieving the adverse effect caused by drought, promoting the growth and development of tobacco plants and improving the quality of flue-cured tobacco.
Description
Technical Field
The invention relates to the technical field of crop cultivation, in particular to a flue-cured tobacco drip irrigation method.
Background
Among many factors related to the cultivation of flue-cured tobacco, soil moisture is an important ecological factor, and water stress can affect the normal growth and development of tobacco plants, and if the tobacco plants are further developed, the yield and the quality are inevitably reduced. When the soil moisture can not meet the growth of tobacco plants, the water must be supplemented by irrigation, and an appropriate irrigation system and an appropriate irrigation technology have an important basic position in the cultivation process of the flue-cured tobacco. The irrigation mode is more, and for improving the utilization efficiency of water resources in conditional areas, a drip irrigation mode is generally adopted, the conventional drip irrigation mode comprises a main pipe, branch pipes and branch pipes, the main pipe is a pressurized pipeline system and is connected with a plurality of branch pipes, and water is uniformly and slowly dripped into soil in a crop root area by capillary pipes, so that the irrigation system has the effects of saving water and labor, and increasing the yield and income. The conventional drip irrigation is mainly suitable for fields with rich water resources and better terrain conditions. 2016 research results show that more than 70% of tobacco planting areas in China are concentrated in mountainous areas or semi-mountainous areas, the problem of limited water resources exists, drought resistance is basically absent when drought weather is encountered, and tobacco growers have heavy loss. The conventional drip irrigation mode is limited by water resources and topography of the tobacco field, is limited to be popularized and applied in partial areas of flue-cured tobacco planting, and how to improve the drought resistance is an urgent problem to be solved.
Patent CN208387484U provides a water bag type drip irrigation method, in which a water bag part is added in a drip irrigation system to reduce the system pressure difference, increase the irrigation area and reduce the pipeline blockage. However, the above patent still does not depart from the conventional drip irrigation mode, and still consists of a main pipe, branch pipes and branch pipes, the conventional drip irrigation mode is not fundamentally changed, and the drip irrigation device has a large size and is slightly heavy, and cannot be applied to water resource deficient areas and remote mountain areas. The patent publication numbers are: CN210226467U A flower hanging bucket type drip irrigation device, wherein the hanging bucket is open, water cannot be injected in a water source place because the hanging bucket is fixed firstly and then injected with water during drip irrigation, and the water injection process is complicated, so that a large amount of manpower and material resources are consumed, and the labor investment is increased; the hanging is provided with a hook, a supporting rod is not arranged, no hanging position exists on the tobacco plant, the size of the device is large, and the device cannot be installed and used in flue-cured tobacco planting.
Disclosure of Invention
The invention provides a flue-cured tobacco drip irrigation method, which solves the technical problems that in the prior art, a drip irrigation device is difficult to transport, areas with deficient water resources are difficult to irrigate, the utilization rate of the water resources is low, and mountainous areas cannot be covered.
The invention is realized by the following steps:
the method comprises the following steps: (1) preparing a drip irrigation device, wherein the drip irrigation device comprises a drip irrigation system and a suspension system, the drip irrigation system comprises a water bag (1), a control valve (2), a tee joint (4) and an anti-blocking dripper (7), a water inlet is formed in the top surface of the water bag (1), a threaded pipe is arranged at the top end of the water inlet, a spiral cover (5) is installed on the threaded pipe, a water outlet is formed in the bottom surface of the water bag, the water outlet is connected with a main pipe of the tee joint (4), the control valve (2) is installed between the water outlet and the main pipe, two branch pipes of the tee joint (4) are respectively connected with the anti-blocking dripper (7), and the anti-blocking dripper (7); the suspension system (3) comprises a support rod and a fixing ring, and the top end of the water bag (1) is connected with the fixing ring;
(2) preparing land, applying fertilizer, forming ridges and leveling the land, applying tobacco fertilizer by a strip application method, wherein the nitrogen application amount is 4-6.5 kg/mu; ridging after fertilizing, wherein the ridge spacing is 1.2-1.3 m;
(3) mulching and ridging agricultural films, wherein the agricultural films are tightly covered, solid and flat;
(4) transplanting is completed from the middle ten days of 4 months to the last ten days of 5 months, the plant spacing is 50-55 cm, and the number of transplanted plants is 1000 plants/mu;
(5) the field management cultivation measures are operated according to the local tobacco leaf production technical scheme;
(6) placing a drip irrigation device 30-35 days after transplanting, installing the drip irrigation device in the step (1), filling water into a water bag before installation, screwing a spiral cover, installing the drip irrigation device between two flue-cured tobaccos, and inserting two anti-blocking drippers into the bases of the two flue-cured tobaccos respectively;
(7) the spiral cover is convoluted in the drip irrigation, the control valve is opened, the flow rate is controlled, and the drip irrigation is carried out;
(8) and after the drip irrigation device recovers the drip irrigation, recovering the drip irrigation device and cleaning the anti-blocking drippers.
In a preferable embodiment, the threaded pipe is provided with an inner vent hole, the threaded cover (5) is provided with an outer vent hole, the diameter of the inner vent hole is the same as that of the outer vent hole, and the diameter is 2-3 mm; when the screw cap is screwed, the inner exhaust holes and the outer exhaust holes are arranged in a 90-degree crossed manner and are not communicated, when drip irrigation is carried out, the screw cap rotates 90 degrees, and the inner exhaust holes are communicated with the outer exhaust holes.
As a preferred embodiment, 4-6 penetration holes are uniformly distributed on the pipe wall of the anti-blocking dripper (7), and the diameter of the penetration holes is 2-3 mm.
In a preferred embodiment, the water bag (1) is a polyethylene soft bag with a capacity of 2L.
As a preferred embodiment, the suspension system (3) is an iron or bamboo pole.
In a preferable embodiment, the distance between the water bag and the ground is 10-15 cm.
As a preferred embodiment, two anti-blocking drippers (7) are connected with the branch pipe through hoses (6), and the anti-blocking drippers are matched with the hoses (6).
In a preferred embodiment, the hose (6) is made of polyethylene, has a length of 25-30 cm and a diameter of 3-5 mm.
As a preferred embodiment, the alkaline hydrolysis of nitrogen is performed with N: p2O5：K2O=1:1.5～2:3～3.5。
In a preferred embodiment, the flow rate is controlled to be 0.5 to 1L/h.
The invention has the beneficial effects that: the tobacco planting area is mostly the mountain area or half mountain area, and field top of the land water resource condition is limited, does not have supporting irrigation facilities, chooses for use this device can not receive the restriction of water source ground at water source department water injection, effectively solves the difficult problem of irrigation. The invention adopts the design of the single water bag, is small and compact, is convenient for transportation and installation, is not limited by the terrain of a tobacco field, and meets various terrain conditions; the water capacity is designed to be 2L, and a drip irrigation mode is adopted, so that the utilization rate of water resources is improved; after transplanting, the tobacco seedlings are planted for a long time, the water requirement of the tobacco seedlings is the maximum, sufficient water is provided by drip irrigation at the time, the maximum benefit is exerted, the normal growth and development of the tobacco seedlings are promoted, and the adverse effect caused by drought can be effectively relieved; meanwhile, the device is convenient to recycle and reuse after the drip irrigation is finished, and is economical and practical. Compared with the conventional irrigation mode, the method can be combined with operations such as additional fertilizer, pesticide root irrigation and the like, the investment is reduced, the labor is reduced, and the effects of reducing the labor and the cost are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a drip irrigation device of an embodiment;
FIG. 2 is an enlarged schematic view of the structure of the anti-clogging dripper of FIG. 1, wherein the circular holes are penetration holes;
fig. 3 is a schematic view of the placement of the drip irrigation device, wherein the plant is tobacco.
In the figure: 1-water bag; 2-a control valve; 3-a suspension system; 4-a tee joint; 5-screw cap; 6-a hose; 7-anti-blocking dripper.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A flue-cured tobacco drip irrigation method comprises the following steps:
(1) preparation of a drip irrigation device referring to fig. 1, 2 and 3, the drip irrigation device includes two parts, a drip irrigation system and a suspension system. Drip irrigation system includes water pocket 1, control valve 2, tee bend 4, hose 6 and prevents stifled water dropper 7, 1 material of water pocket is polyethylene, and the capacity size is 2L, and 1 top surface of water pocket is equipped with water inlet (not pictorial), and this water inlet top installation connection screwed pipe (not pictorial), the screwed pipe is installed spiral cover 5, by this water inlet (not pictorial) water injection. The screw cap 5 is provided with an outer exhaust hole (not shown), the threaded pipe is provided with an inner exhaust hole (not shown), the inner exhaust hole corresponds to the exhaust hole, the aperture is consistent, and the inner exhaust hole and the exhaust hole are both 2 mm; when the screw cap 5 is screwed, the inner exhaust holes and the outer exhaust holes are arranged in a 90-degree crossed manner and are not communicated, and the water bag 1 is in a closed state at the moment, so that water in the water bag 1 is prevented from overflowing. When in drip irrigation, the spiral cover 5 rotates 90 degrees, the inner exhaust hole is opposite to the outer exhaust hole, and the water sac can be filled with air, so that the drip irrigation is convenient. 1 bottom surface of water pocket is equipped with the delivery port (not pictorial), the delivery port with tee bend 4's the person in charge is connected, two branch pipes of tee bend 4 are connected with one through hose 6 and one prevent stifled water dropper 7 respectively, hose 6 with prevent stifled water dropper 7's diameter adaptation, hose 6 with prevent stifled water dropper 7 junction does not have the infiltration. Referring to fig. 2, the anti-blocking dripper 7 is provided with a plurality of penetration holes. In this embodiment, the hose 6 is made of polyethylene, and has a length of 30cm and a diameter of 3 mm; the diameter of the anti-blocking dripper is 3mm and is consistent with that of the hose 6. 6 penetration holes are uniformly distributed on the pipe wall of the anti-blocking dripper 7, the diameter of each penetration hole is 2.5mm, and the dripper is prevented from being blocked during drip irrigation. The drip irrigation system is fixedly suspended by a suspension system 3. The suspension system 3 comprises a support rod and a fixing ring, the support rod is made of bamboo, the hardness of the support rod can support the water bag to be suspended, the height of the water bag above the ground is 15cm, a certain pressure difference is formed, and the smooth drip irrigation is ensured;
(2) preparing land, fertilizing, ridging and leveling land, applying tobacco fertilizer by a strip application method, keeping the nitrogen application amount at 4.5 kg/mu, and taking the main component proportion as N: p2O5：K2O =1:1.5: 3; ridging is carried out after fertilization, and the ridge spacing is 1.2 m;
(3) covering a polyethylene agricultural film after film covering and ridging, wherein the agricultural film covering is guaranteed to be tight, solid and flat;
(4) transplanting is completed after 5 months and 5 days, the plant spacing is 55cm, and the number of transplanted plants is 1010 plants/mu;
(5) the field management cultivation measures are operated according to the local tobacco leaf production technical scheme, field management is enhanced, and the growth of tobacco plants is promoted;
(6) arranging a drip irrigation device 35d after transplanting, installing the drip irrigation device in the step (1), filling water into a water bag before installation, installing the drip irrigation device between the two flue-cured tobaccos, and respectively inserting anti-blocking drippers into the bases of the two flue-cured tobaccos;
(7) the drip irrigation rotary screw cap is 90 degrees, the control valve is opened, the flow rate is controlled to be 1L/h, and drip irrigation is carried out;
(8) after the drip irrigation device recovers the drip irrigation, the drip irrigation device is recovered, the anti-blocking drippers are cleaned, and the drip irrigation device is kept properly and can be repeatedly used.
Example 2
A flue-cured tobacco drip irrigation method comprises the following steps:
(1) preparation of a drip irrigation device referring to fig. 1, 2 and 3, the drip irrigation device includes two parts, a drip irrigation system and a suspension system. Drip irrigation system includes water pocket 1, control valve 2, tee bend 4, hose 6 and prevents stifled water dropper 7, 1 material of water pocket is polyethylene, and the capacity size is 2L, and 1 top surface of water pocket is equipped with water inlet (not pictorial), and this water inlet top installation connection screwed pipe (not pictorial), the screwed pipe is installed spiral cover 5, by this water inlet (not pictorial) water injection. The screw cap 5 is provided with an outer exhaust hole (not shown), the threaded pipe is provided with an inner exhaust hole (not shown), the inner exhaust hole corresponds to the exhaust hole, the aperture is consistent, and the inner exhaust hole and the exhaust hole are all 3 mm; when the screw cap 5 is screwed, the inner exhaust holes and the outer exhaust holes are arranged in a 90-degree crossed manner and are not communicated, and the water bag 1 is in a closed state at the moment, so that water in the water bag 1 is prevented from overflowing. When in drip irrigation, the spiral cover 5 rotates 90 degrees, the inner exhaust hole is opposite to the outer exhaust hole, and the water sac can be filled with air, so that the drip irrigation is convenient. 1 bottom surface of water pocket is equipped with the delivery port (not pictorial), the delivery port with tee bend 4's the person in charge is connected, two branch pipes of tee bend 4 are connected with one through hose 6 and one prevent stifled water dropper 7 respectively, hose 6 with prevent stifled water dropper 7's diameter adaptation, hose 6 with prevent stifled water dropper 7 junction does not have the infiltration. Referring to fig. 2, the anti-blocking dripper 7 is provided with a plurality of penetration holes. In this embodiment, the hose 6 is made of polyethylene, and has a length of 25cm and a diameter of 2.5 mm; the diameter of the anti-blocking dripper is 2.5mm and is consistent with that of the hose 6. 6 penetration holes are uniformly distributed on the pipe wall of the anti-blocking dripper 7, the diameter of each penetration hole is 3.0mm, and the dripper is prevented from being blocked during drip irrigation. The drip irrigation system is fixedly suspended by a suspension system 3. The suspension system 3 comprises a support rod and a fixing ring, the support rod is made of bamboo, the hardness of the support rod can support the water bag to be suspended, the height of the water bag above the ground is 10cm, a certain pressure difference is formed, and the smooth drip irrigation is ensured;
(2) preparing land, fertilizing, ridging and leveling land, applying tobacco fertilizer by a strip application method, wherein the nitrogen application amount is 5 kg/mu, and the main component proportion is N: p2O5：K2O =1:2: 3.5; ridging is carried out after fertilization, and the ridge spacing is 1.25 m;
(3) covering a polyethylene agricultural film after film covering and ridging, wherein the agricultural film covering is guaranteed to be tight, solid and flat;
(4) transplanting is completed after 5 months and 5 days, the plant spacing is 53cm, and the number of transplanted plants is ensured to be 1000 plants/mu;
(5) the field management cultivation measures are operated according to the local tobacco leaf production technical scheme, field management is enhanced, and the growth of tobacco plants is promoted;
(6) arranging a drip irrigation device 30 days after transplanting, installing the drip irrigation device, preparing a potassium sulfate solution according to the concentration of 1% before installation, injecting the solution into a water bag, referring to the attached figure 3, installing the drip irrigation device between two flue-cured tobaccos, and respectively inserting anti-blocking drippers into the base parts of the two flue-cured tobaccos;
(7) the spiral cover is rotated by 90 degrees in a drip irrigation mode, the control valve is opened, the flow rate is controlled to be 0.5L/h, and drip irrigation is carried out;
(8) after the drip irrigation device recovers the drip irrigation, the drip irrigation device is recovered, the anti-blocking drippers are cleaned, and the drip irrigation device is kept properly and can be repeatedly used.
The invention has the beneficial effects that: the tobacco planting area is mostly the mountain area or half mountain area, and field top of the land water resource condition is limited, does not have supporting irrigation facilities, chooses for use this device can not receive the restriction of water source ground at water source department water injection, effectively solves the difficult problem of irrigation. The invention adopts the design of the single water bag, is small and compact, is convenient for transportation and installation, is not limited by the terrain of a tobacco field, and meets various terrain conditions; the water capacity is designed to be 2L, and a drip irrigation mode is adopted, so that the utilization rate of water resources is improved; after transplanting, the tobacco seedlings are planted for a long time, the water requirement of the tobacco seedlings is the maximum, sufficient water is provided by drip irrigation at the time, the maximum benefit is exerted, the normal growth and development of the tobacco seedlings are promoted, and the adverse effect caused by drought can be effectively relieved; meanwhile, the device is convenient to recycle and reuse after the drip irrigation is finished, and is economical and practical. Compared with the conventional irrigation mode, the method can be combined with operations such as additional fertilizer, pesticide root irrigation and the like, the investment is reduced, the labor is reduced, and the effects of reducing the labor and the cost are achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A flue-cured tobacco drip irrigation method is characterized by comprising the following steps:
(1) preparing a drip irrigation device, wherein the drip irrigation device comprises a drip irrigation system and a suspension system, the drip irrigation system comprises a water bag (1), a control valve (2), a tee joint (4) and an anti-blocking dripper (7), a water inlet is formed in the top surface of the water bag (1), a threaded pipe is arranged at the top end of the water inlet, a spiral cover (5) is installed on the threaded pipe, a water outlet is formed in the bottom surface of the water bag, the water outlet is connected with a main pipe of the tee joint (4), the control valve (2) is installed between the water outlet and the main pipe, two branch pipes of the tee joint (4) are respectively connected with the anti-blocking dripper (7), and the anti-blocking dripper (7); the suspension system (3) comprises a support rod and a fixing ring, and the top end of the water bag (1) is connected with the fixing ring;
(2) preparing land, applying fertilizer, forming ridges and leveling the land, applying tobacco fertilizer by a strip application method, wherein the nitrogen application amount is 4-6.5 kg/mu; ridging after fertilizing, wherein the ridge spacing is 1.2-1.3 m;
(3) mulching and ridging agricultural films, wherein the agricultural films are tightly covered, solid and flat;
(4) transplanting is completed from the middle ten days of 4 months to the last ten days of 5 months, the plant spacing is 50-55 cm, and the number of transplanted plants is 1000 plants/mu;
(5) the field management cultivation measures are operated according to the local tobacco leaf production technical scheme;
(6) placing a drip irrigation device 30-35 days after transplanting, installing the drip irrigation device in the step (1), filling water into a water bag before installation, screwing a spiral cover, installing the drip irrigation device between two flue-cured tobaccos, and inserting two anti-blocking drippers into the bases of the two flue-cured tobaccos respectively;
(7) the spiral cover is convoluted in the drip irrigation, the control valve is opened, the flow rate is controlled, and the drip irrigation is carried out;
(8) and after the drip irrigation device recovers the drip irrigation, recovering the drip irrigation device and cleaning the anti-blocking drippers.
2. A flue-cured tobacco drip irrigation method according to claim 1, characterized in that the threaded pipe is provided with inner vent holes, the threaded cap (5) is provided with outer vent holes, the inner vent holes and the outer vent holes have the same diameter, and the diameter is 2-3 mm; when the screw cap is screwed, the inner exhaust holes and the outer exhaust holes are arranged in a 90-degree crossed manner and are not communicated, when drip irrigation is carried out, the screw cap rotates 90 degrees, and the inner exhaust holes are communicated with the outer exhaust holes.
3. The drip irrigation method for flue-cured tobacco according to claim 1, characterized in that 4-6 penetration holes are uniformly distributed on the pipe wall of the anti-blocking dripper (7), and the diameter of the penetration holes is 2-3 mm.
4. A flue-cured tobacco drip irrigation method according to claim 2 or 3, characterized in that the water bag (1) is a polyethylene soft bag with a capacity of 2L.
5. A flue-cured tobacco drip irrigation method according to claim 4, characterized in that the suspension system (3) is an iron or bamboo pole.
6. The drip irrigation method for flue-cured tobacco according to claim 5, wherein the water bag is 10-15 cm away from the ground.
7. A flue-cured tobacco drip irrigation method according to claim 6, characterized in that two of the anti-blocking drippers (7) are connected with the branch pipes through hoses (6), and the anti-blocking drippers are adapted to the hoses (6).
8. A drip irrigation method for flue-cured tobacco according to claim 7, characterized in that the hose (6) is made of polyethylene, has a length of 25-30 cm and a diameter of 3-5 mm.
9. The drip irrigation method for flue-cured tobacco according to claim 8, wherein the alkaline hydrolysis of nitrogen is performed in a way that the ratio of N: p2O5：K2O=1:1.5～2:3～3.5。
10. The drip irrigation method for flue-cured tobacco according to claim 9, characterized in that the flow rate is controlled to be 0.5-1L/h.
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| CN202010534448.7A CN111670773A (en) | 2020-06-12 | 2020-06-12 | Drip irrigation method for flue-cured tobacco |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN203554987U (en) * | 2013-08-22 | 2014-04-23 | 杭州市上城区青少年科技辅导员协会 | Automatic flower watering device |
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| CN209403220U (en) * | 2018-11-27 | 2019-09-20 | 北京莲顺农业开发有限公司 | A kind of cherry adjustable drip irrigation device |
| CN210275422U (en) * | 2019-05-20 | 2020-04-10 | 元谋碧丰果业有限公司 | Support is planted to grape |
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| 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 |
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Application publication date: 20200918 |