CN105850678A - Underground percolation irrigation system for railway sand-prevention forestation of drought and water shortage area and irrigation method of system - Google Patents

Underground percolation irrigation system for railway sand-prevention forestation of drought and water shortage area and irrigation method of system Download PDF

Info

Publication number
CN105850678A
CN105850678A CN201610304665.0A CN201610304665A CN105850678A CN 105850678 A CN105850678 A CN 105850678A CN 201610304665 A CN201610304665 A CN 201610304665A CN 105850678 A CN105850678 A CN 105850678A
Authority
CN
China
Prior art keywords
irrigation
water
area
sand
underground
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.)
Granted
Application number
CN201610304665.0A
Other languages
Chinese (zh)
Other versions
CN105850678B (en
Inventor
李成
柯贞东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway First Survey and Design Institute Group Ltd
Original Assignee
China Railway First Survey and Design Institute Group Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway First Survey and Design Institute Group Ltd filed Critical China Railway First Survey and Design Institute Group Ltd
Priority to CN201610304665.0A priority Critical patent/CN105850678B/en
Publication of CN105850678A publication Critical patent/CN105850678A/en
Application granted granted Critical
Publication of CN105850678B publication Critical patent/CN105850678B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G29/00Root feeders; Injecting fertilisers into the roots
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The invention relates to an underground percolation irrigation system for railway sand-prevention forestation of a drought and water shortage area and an irrigation method of the system. In the railway sand hazard prevention and control practice, main canals and branch canals are constructed for artesian flood irrigation, although a good sand-fixing effect is achieved, canal irrigation is large in water consumption and high in cost. The underground percolation irrigation system is adopted for irrigation, a water pump unit is utilized for water diversion, and water is filtered through a filter device and then led to a water conveying pipeline laid under the ground of an irrigation area; the water conveying pipeline is divided into a main pipe, branch pipes and distribution pipes, the branch pipes are grouped according to areas to form multi-area irrigation units, irrigation water conducts grouping rotational irrigation on all irrigation units through the main pipe, and finally the irrigation water is dropwise irrigated to plant roots after pressure relief and energy dissipation are conducted by means of the distribution pipes and a turbulent-flow pressure compensation type drip irrigation belt. According to the underground percolation irrigation system for railway sand-prevention forestation of the drought and water shortage area and the irrigation method of the system, an underground pipe percolation irrigation technology is adopted for enabling water droplets to percolate sand to wet the plant roots, and the problems that ground capillaries are prone to aging and prone to be destroyed by sand-driven flow under the radiation effect of the sun are solved.

Description

Infiltrating irrigation system and irrigation method thereof under drought and water-scarce area railway sand prevention reproducing area
Technical field
The present invention relates to a kind of irrigation method, be specifically related to infiltrating irrigation system and irrigation method thereof under a kind of drought and water-scarce area railway sand prevention reproducing area.
Background technology
Vegetative sand control afforestation is the essential measure preventing railway from being attacked by drift sand.Utilize biological control measure raising roughness of ground surface to reduce wind energy, be that people recognize and commonly used method very early.Vegetative sand control can not only weaken wind speed, stop external husky source, simultaneously can also be by the soil-forming process of plant with fixing sand drift, it may be said that dune-fixating forestation is to control and effective measures the most basic with tackling quicksand.
Carrying out dune-fixating forestation along the railway, educate grass and set up vegetation, tool is of great significance, and on the one hand can prevent new husky source, the most also can promote the growth naturally of plant, often can receive the effect got twice the result with half the effort.
Vegetative sand control has the irreplaceable effect of other measure as the important measures that sand damage to railway is prevented and treated, but is the most strictly limited by natural conditions, such as precipitation, sand bed natural moisture content, earth's surface degree of stability etc..In sand damage to railway prevention practice, by smooth for tall and big sand dune one-tenth terraced fields, build is dry, branch canal carries out flood irrigation of flowing automatically, though obtaining preferable sand-fixing effect, but canal irrigation water consumption is greatly, costly.Arid-desert areas natural conditions complexity is harsh, although the sufficient beneficially growth and development of plants of photo-thermal, but drought and water shortage, wind-sand activity, soil depletion etc., it is unfavorable for plant growing and settles down.Therefore, in the vegetative sand control activity of arid-desert areas, drought and water shortage is then the problem being always relatively difficult to overcome.
Summary of the invention
It is an object of the invention to provide infiltrating irrigation system and irrigation method thereof under a kind of drought and water-scarce area railway sand prevention reproducing area, overcome open channel flood irrigation to take up an area the technological deficiency of water wasting.
The technical solution adopted in the present invention is:
Infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
Include water pump assembly, stem filter plant, hydraulic pipeline, irrigation control system and douche, be separately provided with irrigation control room;
Water pump assembly is made up of the water pump in being arranged on water supply well or in clear water reserviors and the startup cabinet being arranged on irrigation control indoor;
It is indoor that stem filter plant is installed on irrigation control, including stem intake and exhaust relief valve, sandstone separator, automatic backwash sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, effusion meter and non-return valve;
Hydraulic pipeline uses the nontoxic rigid PVC plastic pipeline of U-PVC and pipe fitting, and be laid in underground, irrigated area, is divided into main, arm and sparge pipe;
Irrigation control system is by being arranged on irrigation control indoor irrigation controller, power amplification case and the laying installation power transmission line in irrigation district and electromagnetic valve forms;
Douche (5) is the end-equipment of sub-irrigation system, be laid in underground, irrigated area, it is connected with the sparge pipe bleeder in hydraulic pipeline and lays along vegetational zone, using the 10~30cm turbulent pressure compensating drip irrigation belts laid below earth's surface, forest belt, outlet is hollow billet one-time formed with douche.
Chemical fertilizer decanting point it is provided with between water pump assembly and stem filter plant.
Relief valve and automatic inlet and outlet valve it is provided with on hydraulic pipeline.
Filtration irrigation method under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
Use sub-irrigation system to irrigate, utilize water pump assembly diversion, after stem filter plant filtration treatment, cause the hydraulic pipeline of the underground, irrigated area that is laid in;
Hydraulic pipeline is divided into main, arm and sparge pipe, and arm forms multi-region irrigating unit by group areas, and irrigation water is grouped rotation flow through main to the arm of each irrigating unit, after after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating drip irrigation in plant root.
The invention have the advantages that
Sub-irrigation irrigation method provided by the present invention, obviate the open channel flood irrigation mode taking up an area water wasting, use the infiltration irrigation technology of hidden pipe water delivery, water droplet is made to penetrate into the irrigation method of moistening plant root in sand, owing to its hollow billet and douche are all embedded in below earth's surface, overcome ground hollow billet the most aging and by problems such as stream destructions under solar radiation effect, and decrease the invalid evaporation of irrigation water, have good popularizing application prospect.
Accompanying drawing explanation
Fig. 1 is infiltrating irrigation system structure chart under drought and water-scarce area railway sand prevention reproducing area.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention will be described in detail.
Infiltrating irrigation system under the drought and water-scarce area railway sand prevention reproducing area that the present invention relates to, includes water pump assembly (1), stem filter plant (2), hydraulic pipeline (3), irrigation control system (4) and douche (5), is separately provided with irrigation control room.
Water pump assembly (1) is made up of the water pump in being arranged on water supply well or in clear water reserviors and the startup cabinet being arranged on irrigation control indoor.
It is indoor that stem filter plant (2) is installed on irrigation control, including stem intake and exhaust relief valve, sandstone separator, automatic backwash sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, effusion meter and non-return valve.
Hydraulic pipeline (3) uses the nontoxic rigid PVC plastic pipeline of U-PVC and pipe fitting, and be laid in underground, irrigated area, is divided into main, arm and sparge pipe.
Irrigation control system (4) is by being arranged on irrigation control indoor irrigation controller, power amplification case and the laying installation power transmission line in irrigation district and electromagnetic valve forms.
Douche (5) is the end-equipment of sub-irrigation system, and be laid in underground, irrigated area, is connected with the sparge pipe bleeder in hydraulic pipeline (3) and lays along vegetational zone, uses the 10~30cm turbulent pressure compensating drip irrigation belts laid below earth's surface, forest belt.Drip irrigation zone is manufactured with douche one-shot forming by hollow billet, and douche is integrated into a whole well with hollow billet, and the inside and outside wall of outlet is smooth, and drip irrigation zone is as common hollow billet, and installation and maintenance are very convenient.Owing to drip irrigation zone is embedded in below earth's surface, overcome ground hollow billet the most aging and by problems such as stream destructions under solar radiation effect, and decrease the invalid evaporation of irrigation water.Douche has turbulent pressure and compensates function, and irrigation uniformity is high, requires low to slight irrigation water transfer pipe network pressure harmony, it is possible to adapt to various rugged landform, and the maximum allowable discrepancy in elevation reaches 6m.Douche performance basic demand is: operating pressure is 5~25m heads, and crossing water flow passage aperture is 0.3~2.5mm, and outflow is 1~about 4L/h.
It is provided with chemical fertilizer (pesticide) decanting point between water pump assembly (1) and stem filter plant (2), non-return valve is installed, to prevent solution (pesticide) from recharging and polluted source between decanting point and water source.Relief valve and automatic inlet and outlet valve it is provided with on hydraulic pipeline (3);Relief valve is to prevent owing to arm valve is not opened, and constantly the pressurize high pressure that causes pipe network of water pump destroys;Automatically inlet and outlet valve is the gas in order to get rid of in pipe network, or supplements air in pipe network when termination of pumping, to there is negative pressure in preventing pipe.
Fertilizer applicator selects differential pressure type fertilizer spreading tank, Wen Qiulishi infusion appliance or fertilizer injection pump.Notably: the decanting point of chemical fertilizer (pesticide) have to be placed between water source and filter, make solution enter back into irrigation conduit after first passing through filter, make undissolved chemical fertilizer and other impurity be disposed of, in order to avoid blocking pipeline and douche;After fertilising (pesticide), it is necessary to utilize clear water all to rinse well remaining in intrasystem solution (pesticide), prevent equipment to be corroded;At chemical fertilizer (pesticide) between decanting point and water source, it is necessary to non-return valve is installed, to prevent solution (pesticide) from recharging and polluted source.
The present invention uses sub-irrigation system to irrigate, and utilizes the pipelines at different levels in drip irrigation system that water is delivered to douche, after douche will have the current energy dissipating of pressure, infiltrates sand prevention plant roots district with water droplet, and growing for plant normal growth provides nutrient water.Before implementing infiltrating irrigation engineering, it is necessary to water source used is carried out water quality test, grasps water quality condition comprehensively, and according to the douche kind selected by infiltrating irrigation system and performance of anti-blockage, reasonable selection cleaning equipment and facility, to ensure that irrigation system is properly functioning, improve quality of pouring water.After water pump assembly (1) diversion, after stem filter plant (2) filtration treatment, cause the hydraulic pipeline (3) of the underground, irrigated area that is laid in;Hydraulic pipeline (3) is divided into main, arm and sparge pipe, arm forms multi-region irrigating unit by group areas, irrigation water is grouped rotation flow through main to the arm of each irrigating unit, after after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating drip irrigation in plant root.Rotation flow group is divided by following principle: 1) rotation flow group divide should meet plant need water requirement, plan irrigated area should be coordinated mutually with the water source water yield;2) area that each rotation flow group is controlled is the most equal, in order to make pump working stable, and improves the efficiency of dynamic power machine and water pump, reduces energy consumption;3) division of rotation flow group should be looked after sand-break as far as possible manage and protect so that it is work is convenient;4) in the infiltrating irrigation system automatically controlled, for reducing the flow of delivery main, rotation flow group preferably uses the mode of symmetrical flower arrangement.
In infiltrating irrigation system, drip irrigation zone is connected with final stage sparge pipe, douche above drip irrigation zone is end distribution apparatus, also it is the equipment that in infiltrating irrigation system, consumption is maximum, its installation cost and price have an important impact to the cost of infiltrating irrigation system, and the performance of douche directly influences infiltrating irrigation system and pours water the quality of quality, therefore, douche plays very important effect in infiltrating irrigation system, is the critical component of infiltrating irrigation system.
The laying of drip irrigation zone and water outlet inspection method:
Before laying drip irrigation zone, be according to forest belt planting requirement unwrapping wire.Foreign material are amassed in the earthwork removing sparge pipe place pipe trench section, according to drip irrigation zone paving location, punch on sparge pipe, install O-ring seal, joint, PE pipe, bypass, and are connected with bypass drip irrigation zone.Such as buildings such as irrigation control room and water supply well roads, then should be according to drip irrigation zone paving location and road width, pre-buried PE pipe and PVC pillar, at the two ends of PE pipe, it is respectively mounted bypass, then drip irrigation zone is connected with bypass.Drip irrigation zone should be embedded in below the earth's surface of trees side 10~30cm along landform.Drip irrigation zone must be smooth, without twisting, tiing a knot.
Check whether drip irrigation zone leaks with bypass junction, confirming without leaking tailing edge drip irrigation zone inspection drip irrigation zone water outlet situation to drip irrigation zone tail end.Open drip irrigation zone tail end draining 10~re-closed after 15 minutes.Drip irrigation zones as indivedual in same irrigating unit tail end not water outlet or water yield are less, then illustrate that certain position, this drip irrigation zone has breakage to leak, gives a discount or have foreign body in PE pipe, should give eliminating.In aforementioned manners, in units of rotation flow group, each drip irrigation zone is checked until all the normal water outlet in drip irrigation zone is irrigated.
Present disclosure is not limited to cited by embodiment, and the conversion of any equivalence that technical solution of the present invention is taked by those of ordinary skill in the art by reading description of the invention, the claim being the present invention is contained.

Claims (4)

1. infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
Include water pump assembly (1), stem filter plant (2), hydraulic pipeline (3), irrigation control system (4) and douche (5), be separately provided with irrigation control room;
Water pump assembly (1) is made up of the water pump in being arranged on water supply well or in clear water reserviors and the startup cabinet being arranged on irrigation control indoor;
It is indoor that stem filter plant (2) is installed on irrigation control, including stem intake and exhaust relief valve, sandstone separator, automatic backwash sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, effusion meter and non-return valve;
Hydraulic pipeline (3) uses the nontoxic rigid PVC plastic pipeline of U-PVC and pipe fitting, and be laid in underground, irrigated area, is divided into main, arm and sparge pipe;
Irrigation control system (4) is by being arranged on irrigation control indoor irrigation controller, power amplification case and the laying installation power transmission line in irrigation district and electromagnetic valve forms;
Douche (5) is the end-equipment of sub-irrigation system, be laid in underground, irrigated area, it is connected with the sparge pipe bleeder in hydraulic pipeline (3) and lays along vegetational zone, using the 10~30cm turbulent pressure compensating drip irrigation belts laid below earth's surface, forest belt, outlet is hollow billet one-time formed with douche.
Infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area the most according to claim 1, it is characterised in that:
It is provided with chemical fertilizer decanting point between water pump assembly (1) and stem filter plant (2).
Infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area the most according to claim 1, it is characterised in that:
Relief valve and automatic inlet and outlet valve it is provided with on hydraulic pipeline (3).
4. filtration irrigation method under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
Use sub-irrigation system to irrigate, utilize water pump assembly (1) diversion, after stem filter plant (2) filtration treatment, cause the hydraulic pipeline (3) of the underground, irrigated area that is laid in;
Hydraulic pipeline (3) is divided into main, arm and sparge pipe, arm forms multi-region irrigating unit by group areas, irrigation water is grouped rotation flow through main to the arm of each irrigating unit, after after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating drip irrigation in plant root.
CN201610304665.0A 2016-05-10 2016-05-10 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area Active CN105850678B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610304665.0A CN105850678B (en) 2016-05-10 2016-05-10 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610304665.0A CN105850678B (en) 2016-05-10 2016-05-10 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area

Publications (2)

Publication Number Publication Date
CN105850678A true CN105850678A (en) 2016-08-17
CN105850678B CN105850678B (en) 2018-11-09

Family

ID=56631663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610304665.0A Active CN105850678B (en) 2016-05-10 2016-05-10 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area

Country Status (1)

Country Link
CN (1) CN105850678B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108990766A (en) * 2017-06-07 2018-12-14 翟世彦 Farmland underground, which fills, seeps water-saving new technique
CN109088945A (en) * 2018-09-20 2018-12-25 嘉兴鑫铭源农业科技有限公司 Multi purpose pumping station and its control method
CN110249984A (en) * 2019-07-09 2019-09-20 河北农业大学 A kind of water-fertilizer integral profit fill system
CN110663512A (en) * 2019-10-25 2020-01-10 济南大学 Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area
CN110754333A (en) * 2019-12-24 2020-02-07 中苏科技股份有限公司 Irrigation scheduling method suitable for irrigation area
CN112167012A (en) * 2020-09-07 2021-01-05 中铁第一勘察设计院集团有限公司 Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1042961A (en) * 1988-11-21 1990-06-13 吴中威 Flood-controlling and soil-conserving irrigation and drainage system
MX2014006907A (en) * 2014-06-09 2015-12-09 Univ Autónoma Chapingo Equipment for applying drip irrigation with accuracy without the air stored inside the hydraulic system.
CN205727440U (en) * 2016-05-10 2016-11-30 中铁第一勘察设计院集团有限公司 Infiltrating irrigation system under a kind of drought and water-scarce area railway sand prevention reproducing area

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1042961A (en) * 1988-11-21 1990-06-13 吴中威 Flood-controlling and soil-conserving irrigation and drainage system
MX2014006907A (en) * 2014-06-09 2015-12-09 Univ Autónoma Chapingo Equipment for applying drip irrigation with accuracy without the air stored inside the hydraulic system.
CN205727440U (en) * 2016-05-10 2016-11-30 中铁第一勘察设计院集团有限公司 Infiltrating irrigation system under a kind of drought and water-scarce area railway sand prevention reproducing area

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108990766A (en) * 2017-06-07 2018-12-14 翟世彦 Farmland underground, which fills, seeps water-saving new technique
CN109088945A (en) * 2018-09-20 2018-12-25 嘉兴鑫铭源农业科技有限公司 Multi purpose pumping station and its control method
CN110249984A (en) * 2019-07-09 2019-09-20 河北农业大学 A kind of water-fertilizer integral profit fill system
CN110663512A (en) * 2019-10-25 2020-01-10 济南大学 Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area
CN110663512B (en) * 2019-10-25 2021-11-12 济南大学 Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area
CN110754333A (en) * 2019-12-24 2020-02-07 中苏科技股份有限公司 Irrigation scheduling method suitable for irrigation area
CN112167012A (en) * 2020-09-07 2021-01-05 中铁第一勘察设计院集团有限公司 Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof

Also Published As

Publication number Publication date
CN105850678B (en) 2018-11-09

Similar Documents

Publication Publication Date Title
CN105850678A (en) Underground percolation irrigation system for railway sand-prevention forestation of drought and water shortage area and irrigation method of system
CN105794597B (en) It is a kind of that layering constant-pressure infiltration irrigation system and method are carried out according to root system of plant distribution
CN102763587A (en) Plant root water injection irrigation system
CN106342656A (en) Film mulching and drip irrigation method for saline-alkali land in Yellow-river irrigated region
CN106576561A (en) Automatic agricultural water-saving irrigation system
CN205052408U (en) Whole capillary water delivery permeation irrigation device
CN205727440U (en) Infiltrating irrigation system under a kind of drought and water-scarce area railway sand prevention reproducing area
CN205567318U (en) Crops irrigation and water conservancy circulation irrigation and drainage system
CN101361452A (en) Fruit-tree tubule outflow irrigation system and method
CN204031996U (en) Intelligent remote water pump controller and magnetic valve regulator control system
CN105432433B (en) A kind of buried irrigation circuit system and irrigation method for cotton field
CN106879440A (en) Plant irrigating device
CN105961148A (en) Drip irrigation belt installing method based on internet of things intelligent agricultural plantation
CN206949115U (en) A kind of drip irrigation irrigation equipment of agricultural planting
CN205320773U (en) A loop system is irrigated to ground formula of burying for cotton field
CN104863087B (en) A kind of concrete dam dam crest, the application of dam slope ecological slope protection device
CN206949100U (en) A kind of micro- profit irrigation system of terraced fields for knob
CN106211901A (en) Agricultural product under-film drip irrigation method based on Internet of Things
CN207151458U (en) A kind of citrus seedling intellectuality spray irrigation system
CN110301334A (en) A kind of irrigation dropper system of desertificated area long-term cropping
CN206776277U (en) A kind of drip-irrigation device
CN207252436U (en) A kind of row for automatically controlling soil moisture content irrigates system
Satpute et al. Pipe distribution nerwork for irrigation–an alternative to flow irrigation
CN204291929U (en) Greening seedling shallow embedding formula irrigation and drainage facility
CN201986484U (en) Sloping field irrigation system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant