CN107960242A - Heliogreenhouse subregion trickle irrigation and carbon dioxide add rich system and application process - Google Patents
Heliogreenhouse subregion trickle irrigation and carbon dioxide add rich system and application process Download PDFInfo
- Publication number
- CN107960242A CN107960242A CN201810040822.0A CN201810040822A CN107960242A CN 107960242 A CN107960242 A CN 107960242A CN 201810040822 A CN201810040822 A CN 201810040822A CN 107960242 A CN107960242 A CN 107960242A
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- China
- Prior art keywords
- drip irrigation
- carbon dioxide
- irrigation zone
- subregion
- water dropper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/18—Greenhouses for treating plants with carbon dioxide or the like
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/247—Watering arrangements
-
- 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
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The present invention relates to a kind of heliogreenhouse subregion trickle irrigation and carbon dioxide to add rich system, including subregion drip irrigation appliance and carbon dioxide enrichment device, the subregion drip irrigation appliance includes the middle drip irrigation zone being arranged in cultivating bed and is arranged on the middle drip irrigation zone both sides and the side drip irrigation zone parallel with middle drip irrigation zone, and the water dropper on the middle drip irrigation zone is interspersed with the water dropper on the drip irrigation zone of side;The carbon dioxide enrichment device includes being connected with the caisson of outlet pipe, the solenoid valve on the outlet pipe, and the time switch being electrically connected with the solenoid valve.The present invention uses drip irrigation technique under the conditions of Cultivation in Greenhouse, more accurately drip irrigation zone setting spacing and water dropper spacing, propose the Irrigation of subregion trickle irrigation, carbon dioxide is coordinated to add rich measure, on the premise of irrigation volume is constant, greatly improve raise crop yield and water use efficiency in heliogreenhouse.
Description
Technical field
The present invention relates to installment agriculture growth field, more particularly to heliogreenhouse high yield water-saving culture, is specially one kind
Heliogreenhouse subregion trickle irrigation and carbon dioxide add rich system and application process.
Background technology
2015, the Ministry of Agriculture made《Implementation meaning of the Ministry of Agriculture on accomplishing fluently agricultural non-point source pollution prevention assault of fortified positions
See》, be distinctly claimed the year two thousand twenty, realize the target of " it is basic that a control two subtracts three ", explicitly point out water use efficiency to be improved and
Realize the zero growth rate of fertilizer application amount.Facilities vegetable industry in China's is to pursue economic benefit in recent years, the increase irrigation volume of blindness,
It is low to bring water use efficiency, quality of vegetable is poor, soil texture be deteriorated a series of problems, such as.
To improve water use efficiency, deficit irrigation technology is come into being, and this insufficient irrigation mode can give crop
The appropriate arid of root system stimulates, first, adjusting air cap opening and closing in the plant vegetative growth stage, reduces transpiration, reduces moisture
Consumption, improves water use efficiency, reduces redundancy growth;Second, promoting the growth of plant root, increase rhizosphere scope, improve and plant
Strain is tested and explored in the various plants such as cucumber, grape, pimento, tomato, carrot to the utilization ratio of liquid manure.
Although deficit irrigation plays water-saving result, yield declines.
It is proposed the concept of controlled alternate irrigation again afterwards, be that China's agricultural improves water use efficiency, maintain punja
Area's agricultural sustainable development provides feasible thinking.But the controlled alternate irrigation technology being employed at present still has not
Foot, can make some plant the phenomenon of early ageing occur, and the process of its aging will be faster than the plant of normal irrigation processing, cucumber tool
The present main stem internode elongation of body surface slows down, blade moves back greenish-yellowization is accelerated, Newborn Leaves extension is slow etc.;By counting the whole knot melon phase
Yield data find, knot melon latter stage, using existing alternatively drip irrigating handle plant yield be less than normal irrigation processing
Plant, this crop early ageing produced under controlled alternate irrigation processing and underproduction phenomenon, are referred to as controlling and alternately fill
Irrigate " side effect " of technology.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add rich system and
Application process, had not only improved crop yield in heliogreenhouse, but also improved efficiency of water application.
The present invention is achieved through the following technical solutions, there is provided a kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add richness
System, including subregion drip irrigation appliance and carbon dioxide enrichment device, the subregion drip irrigation appliance include being arranged in cultivating bed
Middle drip irrigation zone and it is arranged on the middle drip irrigation zone both sides and the side drip irrigation zone parallel with middle drip irrigation zone, the middle trickle irrigation
The water dropper taken is interspersed with the water dropper on the drip irrigation zone of side, and the water dropper spacing on middle drip irrigation zone and the drop on the drip irrigation zone of side
Head spacing is different;The carbon dioxide enrichment device includes being connected with the caisson of outlet pipe, installed in the air outlet pipe
Solenoid valve on road, and the time switch being electrically connected with the solenoid valve.
This programme carries out subregion trickle irrigation by using the drip irrigation of three drip irrigation zones, and the water dropper on middle drip irrigation zone with
Water dropper on the drip irrigation zone of side is interspersed, and makes water dropper is triangular in shape to be interspersed, and reduces the moistening between three water dropper on drip irrigation belt
Cutting edge of a knife or a sword is overlapping, reduce moisture vertical migration it is too fast caused by leakage, middle drip irrigation zone and both sides drip irrigation zone is used alternatingly in when irrigation;
By setting time switch to control carbon dioxide to the indoor discharge of sunlight, to the controllability higher of CO2 emissions,
It is combined with the trickle irrigation of subregion, on the premise of irrigation volume is constant, makes raise crop yield and water utilization effect in heliogreenhouse
Rate greatly improves.
As an optimization, the spacing of water dropper is 15cm on the middle drip irrigation zone, and the spacing of water dropper is 30cm on the drip irrigation zone of side,
The spacing of middle drip irrigation zone and side drip irrigation zone is 20cm.The spacing of this prioritization scheme, which is set, can cause in the identical feelings of irrigation quantity
The overlapping minimum of wetting front between lower three water dropper on drip irrigation belt of condition, oozes caused by farthest reduction moisture vertical migration is too fast
Leakage.
Preferably, the caisson includes some carbon dioxide steel cylinders, the gas outlet connection of each carbon dioxide steel cylinder
To the solenoid valve.The air-out apparatus cost of this preferred solution is low, ensure that enough tolerance, avoids frequently replacing.
As an optimization, some equally distributed ventholes are offered on the outlet pipe.It can make carbon dioxide
Uniform discharge is in heliogreenhouse.
A kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add rich systematic difference method, specific as follows:
(1)Be arranged in parallel three drip irrigation zones in cultivating bed, and the water dropper on middle drip irrigation zone is handed over the water dropper on the drip irrigation zone of both sides
Middle drip irrigation zone and both sides Liang Tiao drip irrigation zones are used alternatingly in mistake distribution, when trickle irrigation;
(2)The flow of each water dropper is 2.7 L/h during trickle irrigation, and maximum working pressure (MWP) is 0.25 Mpa;
(3)The break-make of solenoid valve is controlled by time switch, to supplementing carbon dioxide in greenhouse.
When being irrigated using this method, drip irrigation zone is used alternatingly, regulating crop growth, promotes output increased, carries at the same time
The high utilization rate of dripping irrigation water, saves drip-irrigation water, the water dropper distribution mode interlocked subtracts in the case where ensureing normal demand
Small wetting front is overlapping;Using the supplement of time switch control carbon dioxide, the degree of automation is high, and easy to control.
Existing alternate irrigation technology can cause plant leaf blade air cap to be closed, in the influence net photosynthesis speed of lower degree
Transpiration rate is significantly reduced while rate, so as to achieve the purpose that water-saving.By analyzing existing photosynthetic number it has been found that existing friendship
Plant photochemical energy for irrigation technique processing has surplus, and superfluous excitation can be scattered and disappeared by the approach of heat dissipation;And send out at the same time
Now reduced using the Net Photosynthetic Rate of the plant of existing alternate irrigation technical finesse(Reduced by its Net Photosynthetic Rate same
When, stomatal conductance and intercellular CO2Also reduce at the same time, it is known that be that stomatal factor limits its Net Photosynthetic Rate), the reason is that intercellular CO2
Concentration limits the Net Photosynthetic Rate of the plant of alternate irrigation technical finesse and continues to raise, and carbon assimilation process is obstructed, result in
The accumulation of NADPH, ATP, ultimately cause non-ring type electron transport chain and are obstructed, and superfluous excitation must can be dissipated by heat dissipation approach
Lose.
Beneficial effects of the present invention are:Air and intercellular CO are improved by carbon dioxide enrichment device2Concentration difference, increases born of the same parents
Between CO2Concentration, compensates the carbon assimilation insufficient raw material brought due to stomatal resistance increase, is not influenced while transpiration rate is reduced
Photosynthetic carbon assimilation, achievees the purpose that water-saving and yield-increasing;Meanwhile to reduce the ratio of iirigation water source leakage, in Cultivation in Greenhouse bar
Drip irrigation technique is used under part, more accurately drip irrigation zone setting spacing and water dropper spacing, it is proposed that the Irrigation of subregion trickle irrigation, matches somebody with somebody
Close carbon dioxide and add rich measure, on the premise of irrigation volume is constant, make raise crop yield and water utilization effect in heliogreenhouse
Rate greatly improves.
Brief description of the drawings
Fig. 1 is carbon dioxide enrichment device structure diagram in the present invention;
Fig. 2 is subregion drip irrigation appliance structure diagram in the present invention;
Fig. 3 is colonized ideograph for drip irrigation zone of the present invention and crop;
Fig. 4 is drip irrigation zone of the present invention and wetted area schematic diagram;
Shown in figure:
1st, carbon dioxide steel cylinder, 2, solenoid valve, 3, time switch, 4, outlet pipe, 5, side drip irrigation zone, 6, middle drip irrigation zone.
Embodiment
In order to clarify the technical characteristics of the invention, below by embodiment, this programme is illustrated.
A kind of heliogreenhouse subregion trickle irrigation as shown in Figure 1 and carbon dioxide add rich system, including subregion drip irrigation appliance and two
Carbonoxide enrichment device, the subregion drip irrigation appliance include middle the drip irrigation zone 6 that is arranged in cultivating bed be arranged on it is described in
Between 6 both sides of drip irrigation zone and the side drip irrigation zone 5 parallel with middle drip irrigation zone, water dropper and side drip irrigation zone 5 on the middle drip irrigation zone 6
On water dropper be interspersed.The spacing C of water dropper is 15cm on middle drip irrigation zone 6, and the spacing A of water dropper is 30cm on side drip irrigation zone 5,
The spacing B of middle drip irrigation zone 6 and side drip irrigation zone 5 is 20cm.
The carbon dioxide enrichment device includes being connected with the caisson of outlet pipe 4, installed in the outlet pipe 4
On solenoid valve 2, and the time switch 3 being electrically connected with the solenoid valve 2.Caisson includes some carbon dioxide steel cylinders 1,
The gas outlet of each carbon dioxide steel cylinder is connected to the solenoid valve.Some equally distributed ventholes are offered on outlet pipe 4.
A kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add rich systematic difference method, specific as follows:
(1)Be arranged in parallel three drip irrigation zones in cultivating bed, and the water dropper on middle drip irrigation zone is handed over the water dropper on the drip irrigation zone of both sides
Middle drip irrigation zone and both sides Liang Tiao drip irrigation zones are used alternatingly in mistake distribution, when trickle irrigation;
(2)The flow of each water dropper is 2.7 L/h during trickle irrigation, and maximum working pressure (MWP) is 0.25 Mpa;
(3)The break-make of solenoid valve is controlled by time switch, to supplementing carbon dioxide in greenhouse.
During concrete application, in heliogreenhouse after planting plants, take the mode of subregion trickle irrigation to water, pass through time switch
Periodically, daily 9:00 to 11:00 and 13:00 to 15:00 starts solenoid valve, makes the gas in carbon dioxide steel cylinder by going out
Feed channel is discharged, and carbon dioxide is supplemented for crop.
The arrangement of subregion trickle irrigation is:Cultivating bed 7 m long from south to north, wide 1.2 m of thing, wherein wide 0.7 m of cultivating bed, mistake
0.5 m of road width, crop take duplicate rows triangle to interlock cultivation mode, small 30 cm of line-spacing, 120 cm of wide row space, 30 cm of spacing in the rows.
Under-film drip irrigation mode is taken, three drip irrigation zones are arranged in cultivating bed, middle water dropper on drip irrigation belt spacing is 15 cm, is arranged in cultivation
Furrow centre position is trained, both sides water dropper on drip irrigation belt spacing is 30 cm, is arranged at left and right sides of middle drip irrigation zone, with middle drip irrigation zone
Spacing is 20 cm;All water dropper on drip irrigation belt flows are 2.7 L/h, and maximum working pressure (MWP) is 0.25 Mpa.
Both sides Liang Tiao drip irrigation zones or a middle drip irrigation zone is used alternatingly in subregion trickle irrigation when irrigating.Water dropper on drip irrigation belt takes three
Angular staggeredly mode is arranged, to ensure that three drip irrigation zones of subregion trickle irrigation are that the triangle mode of interlocking is arranged, middle drip irrigation zone
Water dropper spacing be 15 cm so that the overlapping minimum of wetting front between three water dropper on drip irrigation belt in the case that irrigation quantity is identical, most
Leakage caused by the reduction moisture vertical migration of big degree is too fast.
Certainly, described above is also not limited to the example above, the technical characteristic of the invention without description can by or
Realized using the prior art, details are not described herein;Above example and attached drawing are merely to illustrate technical scheme
It is limitation of the present invention, the present invention is described in detail with reference to preferred embodiment, the ordinary skill people of this area
Member is it should be appreciated that change, remodeling, the addition that those skilled in the art are made in the essential scope of the present invention
Or replace the claims that without departure from spirit of the invention, should also belong to the present invention.
Claims (5)
1. a kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add rich system, it is characterised in that:Including subregion drip irrigation appliance and two
Carbonoxide enrichment device, the subregion drip irrigation appliance include the middle drip irrigation zone being arranged in cultivating bed(6)It is described with being arranged on
Middle drip irrigation zone(6)Both sides and the side drip irrigation zone parallel with middle drip irrigation zone(5), the middle drip irrigation zone(6)On water dropper with
Side drip irrigation zone(5)On water dropper be interspersed, and middle drip irrigation zone(6)On water dropper spacing and side drip irrigation zone(5)On water dropper
Spacing is different;The carbon dioxide enrichment device includes being connected with outlet pipe(4)Caisson, installed in the air outlet pipe
Road(4)On solenoid valve(2), and with the solenoid valve(2)The time switch of electrical connection(3).
2. heliogreenhouse subregion trickle irrigation according to claim 1 and carbon dioxide add rich system, it is characterised in that:In described
Between drip irrigation zone(6)The spacing of upper water dropper is 15cm, side drip irrigation zone(5)The spacing of upper water dropper is 30cm, middle drip irrigation zone(6)With side
Drip irrigation zone(5)Spacing be 20cm.
3. heliogreenhouse subregion trickle irrigation according to claim 1 and carbon dioxide add rich system, it is characterised in that:The storage
Device of air includes some carbon dioxide steel cylinders(1), the gas outlet of each carbon dioxide steel cylinder is connected to the solenoid valve.
4. the heliogreenhouse subregion trickle irrigation and carbon dioxide according to claim 1 or 3 add rich system, it is characterised in that:Institute
State outlet pipe(4)On offer some equally distributed ventholes.
5. a kind of heliogreenhouse subregion trickle irrigation and carbon dioxide add rich systematic difference method, it is characterised in that:
(1)Be arranged in parallel three drip irrigation zones in cultivating bed, and the water dropper on middle drip irrigation zone is handed over the water dropper on the drip irrigation zone of both sides
Middle drip irrigation zone and both sides Liang Tiao drip irrigation zones are used alternatingly in mistake distribution, when trickle irrigation;
(2)The flow of each water dropper is 2.7 L/h during trickle irrigation, and maximum working pressure (MWP) is 0.25 Mpa;
(3)The break-make of solenoid valve is controlled by time switch, to supplementing carbon dioxide in greenhouse.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111512806A (en) * | 2020-05-29 | 2020-08-11 | 上海市农业科学院 | Factory seedling raising method for Chinese rose plants |
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2018
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AUPM743994A0 (en) * | 1994-08-12 | 1994-09-08 | Grain Security Foundation Ltd | Root zone irrigation system |
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JP2014161337A (en) * | 2013-02-27 | 2014-09-08 | Nippon Ekitan Corp | Device and method for applying carbon dioxide gas to crop cultivated in greenhouse, etc. |
CN104267769A (en) * | 2014-09-22 | 2015-01-07 | 浙江大学 | Growing environment following system and method for dendrobium candidum |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111512806A (en) * | 2020-05-29 | 2020-08-11 | 上海市农业科学院 | Factory seedling raising method for Chinese rose plants |
CN111512806B (en) * | 2020-05-29 | 2022-01-07 | 上海市农业科学院 | Factory seedling raising method for Chinese rose plants |
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