CN106576557A - Water-fertilizer integrated drop-irrigation system based on intelligent rainwater collecting greenhouse - Google Patents

Water-fertilizer integrated drop-irrigation system based on intelligent rainwater collecting greenhouse Download PDF

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Publication number
CN106576557A
CN106576557A CN201611073129.0A CN201611073129A CN106576557A CN 106576557 A CN106576557 A CN 106576557A CN 201611073129 A CN201611073129 A CN 201611073129A CN 106576557 A CN106576557 A CN 106576557A
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China
Prior art keywords
rain
water
drip irrigation
proof
wire rope
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CN201611073129.0A
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Chinese (zh)
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CN106576557B (en
Inventor
崔宁博
姜守正
庄文化
赵璐
李晨
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Sichuan University
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Sichuan University
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14Greenhouses
    • A01G9/16Dismountable or portable greenhouses ; Greenhouses with sliding roofs
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • 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
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting
    • 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
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Greenhouses (AREA)
  • Fertilizing (AREA)

Abstract

The invention discloses a water-fertilizer integrated drop-irrigation system based on an intelligent rainwater collecting greenhouse. The system includes a rainfall auto-detection apparatus (1), an electric driving apparatus, a rainwater collection apparatus (2) and a water-fertilizer integrated drop-irrigation system. A rain-proof apparatus is composed of a rain-proof thin film (3), a rain-proof framework (4) and a fixing shaft (5). The rainfall auto-detection apparatus (1) includes a PLC (11) electrically connected to a motor (7), and a humidity sensor (12) and an air pressure sensor (13) which are electrically connected to the PLC (11). The water-fertilizer integrated drop-irrigation system is composed of a water pump (14), a drop-irrigation belt (15), a fertilizing tank (16), a soil moisture controller (17), a soil moisture sensor (18), a dropping head (19), and a filter (20) arranged inside the rainwater collection apparatus (2). The system has low manufacturing cost, high utilization efficiency and high automatic degree, is free of manual monitoring and saves water and fertilizer.

Description

A kind of water-fertilizer integral drip irrigation system based on intelligence collection rain booth
Technical field
The present invention relates to the technical field of facility drip irrigation, particularly a kind of water-fertilizer integral drop based on intelligence collection rain booth Fill system.
Background technology
Berries crop is one important source of finance of peasant, and most of berries crop is all outdoor plantation, In berries process of crop growth, short-term precipitation can excessively cause stain to do harm to, and precipitation can also affect crop to pollinate, in fructescence A large amount of precipitation can also make fruit taste bad, rotten etc., so as to cause heavy economic lossess.Booth traditional at present is from two Side is rolled, and not only working procedure is complicated, and also can have a significant impact to crop daylighting after rolling, and affects the growth of crop.It is existing Support is aside built in some intelligent control plastic tents, longitudinal contraction carries out rain cover, relatively costly, but longitudinal contraction efficiency comparison Slowly, it is little for the precaution that suddenly rains cats and dogs.
The content of the invention
Instant invention overcomes the defect that prior art is present, there is provided a kind of compact conformation, low cost of manufacture, effectively utilizes rain Water, high degree of automation, the water-fertilizer integral drip irrigation system based on intelligence collection rain booth without the need for artificially monitoring, saving liquid manure.
The purpose of the present invention is achieved through the following technical solutions:A kind of water-fertilizer integral drop based on intelligence collection rain booth Fill system, it includes precipitation automatic detection device, electric driver, rain insensitive device, collection rain device and water-fertilizer integral drip irrigation System;Described rain insensitive device is made up of rain-proof thin film, rain-proof skeleton and fixing axle, and the two ends of fixing axle are cased with retainer ring, Jing slip rings are provided with many rain-proof skeletons that can be rotated around fixing axle between two retainer rings, between every adjacent two rain-proof skeletons Scalable rain-proof thin film is provided with, the both sides of described rain insensitive device are provided with the catchment tray connected with collection rain device;Institute The electric driver stated include the motor for being installed on top rain-proof thin film upper surface, the spool that is installed on motor output shaft with And the head end of the steel wire rope a and steel wire rope b on spool, described steel wire rope a be fixed on one it is thin with top rain-proof On the connected rain-proof skeleton of film, the head end of steel wire rope b is fixed on another rain-proof skeleton being connected with top rain-proof thin film;Institute The precipitation automatic detection device stated is arranged at top rain-proof thin film top surface, and precipitation automatic detection device includes being electrically connected with motor The gentle pressure induction apparatuss of humidity sensor that electrically connect with PLC of PLC;Described water-fertilizer integral drip irrigation system System is by water pump, drip irrigation zone, fertilizer spreading tank, soil moisture controller, soil humidity sensor, water dropper and is arranged in collection rain device Filter composition, described drip irrigation zone is laid in the crop-planting region ground below rain insensitive device, sets on drip irrigation zone Water dropper is equipped with, the water sucking mouth of water pump is connected with filter, and the outlet of water pump is connected with drip irrigation zone, drip irrigation zone also connects with fertilizer spreading tank Logical, soil humidity sensor is inserted in crop-planting regional soil, and soil humidity sensor is connected with soil moisture controller, Soil moisture controller is connected with water pump.
Described integrates rain device as collecting-tank.
Described collection rain device side is provided with filling pipe.
Described crop-planting region ground is provided with a plurality of drip irrigation zone being arranged parallel to.
It is provided with described drip irrigation zone lower surface and along its length multiple water droppers.
The water inlet pipe being connected between the water sucking mouth of described water pump and filter in collection rain device.
It also includes the gsm module electrically connected with PLC.
The lower surface of described top rain-proof thin film is provided with manual driving device.
Described manual driving device includes bearing fixing device, crank, drive shaft, steel wire rope c, steel wire rope d, described Bearing fixing device is fixed on the lower section of top rain-proof thin film, and the bottom of bearing fixing device is provided with rotation in bearing, bearing Drive shaft is installed, steel wire rope c and steel wire rope d is wound with drive shaft, the head end of steel wire rope c is fixed on one with top rain-proof On the connected rain-proof skeleton of thin film, the head end of steel wire rope d is fixed on another rain-proof skeleton being connected with top rain-proof thin film.
Described steel wire rope a, steel wire rope b, steel wire rope c and steel wire rope d are both secured to the middle part of rain-proof skeleton.
The present invention has advantages below:(1)Intelligence collection rain booth simply can block crop when precipitation, during non-precipitation Section is folded to booth both sides, does not affect crop daylighting.Sun direct projection always is avoided, the service life of rain-proof thin film is extended. (2)Collection rain device pack up from both sides, efficiency high and without support support booth.(3)Realized to precipitation by building catchment tray Accumulation utilize, saved water resource.(4)Present invention achieves utilize to precipitation, and avoid precipitation crop is pollinated And the impact of fruit development;Rain-proof thin film is in contraction state in the case of without precipitation, it is ensured that crop ventilation and lighting, no Affect photosynthesis.(5)The present invention passes through soil humidity sensor real-time detection crop root zone soil moisture, and by the soil water Sub-controller fertilizer applicator applies the fat existing real-time water replenishment to crop of dissolving when irrigating.
Description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the front view that Fig. 1 omits collection rain device;
Fig. 3 is the I portions partial enlarged view of Fig. 1;
Fig. 4 is the circuit diagram of precipitation automatic detection device of the present invention;
Fig. 5 is the structural representation of manual driving device;
Fig. 6 is the right view of Fig. 5;
In figure, 1- precipitation automatic detection devices, 2- collection rain devices, 3- rain-proof thin film, 4- rain-proof skeletons, 5- fixing axles, 6- charges for remittance Groove, 7- motors, 8- spools, 9- steel wire rope a, 10- steel wire rope b, 11-PLC controllers, 12- humidity sensors, 13- air pressure senses Answer device, 14- water pumps, 15- drip irrigation zones, 16- fertilizer spreading tanks, 17- soil moisture controllers, 18- soil humidity sensors, 19- water droppers, 20- filters, 21- filling pipes, 22- water inlet pipes, 23-GSM modules, 24- manual driving devices, 25- bearing fixing devices, 26- Crank, 27- drive shafts, 28- steel wire rope c, 29- steel wire rope d, 30- bearings.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described, and protection scope of the present invention is not limited to described below:
As shown in Figure 1 and 2, a kind of water-fertilizer integral drip irrigation system based on intelligence collection rain booth, it is filled including precipitation automatic detection Put 1, electric driver, rain insensitive device, collection rain device 2 and water-fertilizer integral drip irrigation system;Described rain insensitive device is by rain-proof Thin film 3, rain-proof skeleton 4 and fixing axle 5 are constituted, and the two ends of fixing axle 5 are cased with retainer ring, Jing slip rings peace between two retainer rings Equipped with many rain-proof skeletons 4 that can be rotated around fixing axle 5, between every adjacent two rain-proof skeletons 4 scalable rain-proof is provided with Thin film 3.The both sides of described rain insensitive device are provided with the catchment tray 6 connected with collection rain device 2, integrate rain device 2 as collecting-tank, The side of collection rain device 2 is provided with filling pipe 21.Described rain-proof skeleton 4 is the support that rain-proof thin film 3 provides power, works as rain It is unlikely to cause the stress deformation of rain-proof thin film 3 in turn result in water storage thereon when on rain-proof thin film 3, ultimately results in rain-proof thin film 3 Destroyed, served the effect of protection rain-proof thin film.The rain-proof skeleton 4 of rain insensitive device is folded in booth two under original state Side.
As shown in figures 1 and 3, described electric driver include being installed on the upper surface of top rain-proof thin film 3 motor 7, The spool 8 being installed on the output shaft of motor 7 and the steel wire rope a9 on spool 8 and steel wire rope b10, described steel The head end of cord a9 is fixed on a rain-proof skeleton 4 being connected with top rain-proof thin film 3, and the head end of steel wire rope b10 is fixed on On another rain-proof skeleton 4 being connected with top rain-proof thin film 3.
As shown in Figure 1 and Figure 4, described precipitation automatic detection device 1 is arranged at the top surface of top rain-proof thin film 3, precipitation Automatic detection device 1 includes the humidity sensor 12 that the PLC 11 electrically connected with motor 7 is electrically connected with PLC 11 Gentle pressure induction apparatuss 13;When there is precipitation, air pressure induction apparatuss 13 and humidity sensor 12 gather respectively ambient pressure and humidity And convert a signal into the signal of telecommunication and pass to PLC 11,11 controlled motor of PLC 7 drives spool 8 to do clockwise Rotate, steel wire rope a9 and steel wire rope b10 is unreeled, launch the rain insensitive device in folded state, effectively prevent precipitation pair Crop pollinate and fruit development impact, in addition rainwater Jing rain-proofs thin film 3 towards ground direction flow, at ground import catchment tray 6, then come together in collection rain device 2 by catchment tray 6, to provide water source as irrigation, realize the accumulation to precipitation and utilize;When without drop During the generation of water, 11 controlled motor of PLC 7 drives spool 8 to rotate counterclockwise, and steel wire rope a9 and steel wire rope b10 are equal Winding, rain insensitive device is packed up rapidly from both sides, so as to ensure that ventilation and lighting, does not affect crop photosynthesis.
As shown in Figure 1 and 2, described water-fertilizer integral drip irrigation system is by water pump 14, drip irrigation zone 15, the fertilizer spreading tank 16, soil water Sub-controller 17, soil humidity sensor 18, water dropper 19 and the filter 20 being arranged in collection rain device 2 are constituted, described Drip irrigation zone 15 is laid in the crop-planting region ground below rain insensitive device, and water dropper 19, water pump are provided with drip irrigation zone 15 14 water sucking mouth is connected with filter 20, and the outlet of water pump 14 is connected with drip irrigation zone 15, and drip irrigation zone 15 also connects with fertilizer spreading tank 16 Logical, soil humidity sensor 18 is inserted in crop-planting regional soil, soil humidity sensor 18 and soil moisture controller 17 connections, soil moisture controller 17 is connected with water pump 14.Multiple soil are evenly distributed with described crop-planting regional soil Earth humidity sensor 18, soil humidity sensor 18 can detect soil moisture content and these data are passed to soil moisture control Device 17, soil moisture controller 17 determines the opening and closing of water pump according to the soil moisture content of setting.
As shown in Fig. 1,2,4, described crop-planting region surface is provided with a plurality of drip irrigation zone 15 being arranged parallel to; It is provided with the described lower surface of drip irrigation zone 15 and along its length multiple water droppers 19;The water sucking mouth of described water pump 14 and mistake The water inlet pipe 22 being connected between filter 20 in collection rain device 2;It also includes the GSM moulds electrically connected with PLC 11 Block 23, gsm module 23, can be current environment humidity, air pressure, rain-proof thin film for realizing PLC 11 and mobile communication Expansion situation is dealt into mobile phone terminal in the form of note, and the expansion or closing of rain-proof thin film can be controlled by mobile phone remote.
As shown in Fig. 5 ~ 6, the lower surface of described top rain-proof thin film 3 is provided with manual driving device 24, described handss Dynamic driving means 24 include bearing fixing device 25, crank 26, drive shaft 27, steel wire rope c28, steel wire rope d29, described bearing Fixing device 25 is fixed on the lower section of top rain-proof thin film 3, and the bottom of bearing fixing device 25 is provided with bearing 30, in bearing 30 Drive shaft 27 is rotatably installed with, steel wire rope c28 and steel wire rope d29 is wound with drive shaft 27, the head end of steel wire rope c28 is fixed on On a piece rain-proof skeleton 4 being connected with top rain-proof thin film 3, the head end of steel wire rope d29 be fixed on another it is thin with top rain-proof On the connected rain-proof skeleton 4 of film 3.When electric driver breaks down, crank 26 is rotated clockwise or counterclockwise, you can make steel Cord c28 and steel wire rope d29 are unreeled or wound simultaneously, are realized the manual expansion of rain insensitive device or are packed up.
Described steel wire rope a9, steel wire rope b10, steel wire rope c28 and steel wire rope d29 are both secured to the middle part of rain-proof skeleton 4, In order to avoid unbalance stress.
The course of work of the present invention is as follows:According to different crops and crop growth stage in soil moisture controller 17 The upper and lower limit index of soil moisture content in upper setting crop-planting region, the detection of soil humidity sensor 18 soil moisture content is simultaneously These data are passed to soil moisture controller 17, soil moisture controller 17 respectively enters the data of acquisition with the data of setting Row contrast, if soil moisture content is unsatisfactory for crop normal development requirement, the control He of water pump 14 of soil moisture controller 17 after contrast Fertilizer spreading tank 16 starts, and water pump 14 is transported to the water in rain device 2 is collected in drip irrigation zone 15, while the water solublity fertilizer in fertilizer spreading tank 16 Into in drip irrigation zone 15, crop root zone is applied to finally by water dropper 19, realizes the real-time supply to crop liquid manure, improved Water-saving fertilizer-saving, increasing both production and income are realized while liquid manure utilization ratio.

Claims (10)

1. a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that:It includes precipitation automatic detection Device(1), electric driver, rain insensitive device, collection rain device(2)And water-fertilizer integral drip irrigation system;Described rain insensitive device By rain-proof thin film(3), rain-proof skeleton(4)And fixing axle(5)Composition, fixing axle(5)Two ends be cased with retainer ring, two fixations Between ring Jing slip rings be provided with many can be around fixing axle(5)The rain-proof skeleton of rotation(4), per adjacent two rain-proof skeletons(4)It Between be provided with scalable rain-proof thin film(3), the both sides of described rain insensitive device are provided with and collection rain device(2)The remittance of connection Tank(6);Described electric driver includes being installed on top rain-proof thin film(3)The motor of upper surface(7), be installed on motor (7)Spool on output shaft(8)And wound on spool(8)On steel wire rope a(9)With steel wire rope b(10), described steel Cord a(9)Head end be fixed on one with top rain-proof thin film(3)Connected rain-proof skeleton(4)On, steel wire rope b(10)Head End is fixed on another with top rain-proof thin film(3)Connected rain-proof skeleton(4)On;Described precipitation automatic detection device(1) It is arranged at top rain-proof thin film(3)Top surface, precipitation automatic detection device(1)Including with motor(7)The PLC of electrical connection (11)With PLC(11)The humidity sensor of electrical connection(12)Gentle pressure induction apparatuss(13);Described water-fertilizer integral drop Fill system is by water pump(14), drip irrigation zone(15), fertilizer spreading tank(16), soil moisture controller(17), soil humidity sensor(18)、 Water dropper(19)And be arranged at collection rain device(2)Interior filter(20)Composition, described drip irrigation zone(15)It is laid in positioned at anti- Crop-planting region ground below rain device, drip irrigation zone(15)On be provided with water dropper(19), water pump(14)Water sucking mouth and mistake Filter(20)Connection, water pump(14)Outlet and drip irrigation zone(15)Connection, drip irrigation zone(15)Also with fertilizer spreading tank(16)Connection, soil Earth humidity sensor(18)It is inserted in crop-planting regional soil, soil humidity sensor(18)With soil moisture controller (17)Connection, soil moisture controller(17)With water pump(14)Connection.
2. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described collection rain device(2)For collecting-tank.
3. according to claim 2 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described collection rain device(2)Side is provided with filling pipe(21).
4. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described crop-planting region ground is provided with a plurality of drip irrigation zone being arranged parallel to(15).
5. according to claim 4 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described drip irrigation zone(15)It is provided with lower surface and along its length multiple water droppers(19).
6. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described water pump(14)Water sucking mouth and filter(20)Between be connected with positioned at collection rain device(2)Interior water inlet pipe(22).
7. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: It also includes and PLC(11)The gsm module of electrical connection(23).
8. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described top rain-proof thin film(3)Lower surface be provided with manual driving device(24).
9. according to claim 8 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, it is characterised in that: Described manual driving device(24)Including bearing fixing device(25), crank(26), drive shaft(27), steel wire rope c(28), steel Cord d(29), described bearing fixing device(25)It is fixed on top rain-proof thin film(3)Lower section, bearing fixing device(25) Bottom be provided with bearing(30), bearing(30)Inside it is rotatably installed with drive shaft(27), drive shaft(27)On be wound with steel wire rope c (28)With steel wire rope d(29), steel wire rope c(28)Head end be fixed on one with top rain-proof thin film(3)Connected rain-proof skeleton (4)On, steel wire rope d(29)Head end be fixed on another with top rain-proof thin film(3)Connected rain-proof skeleton(4)On.
10. according to claim 1 a kind of based on the intelligent water-fertilizer integral drip irrigation system for collecting rain booth, its feature exists In:Described steel wire rope a(9), steel wire rope b(10), steel wire rope c(28)With steel wire rope d(29)It is both secured to rain-proof skeleton(4)'s Middle part.
CN201611073129.0A 2016-11-29 2016-11-29 Water and fertilizer integrated drip irrigation system based on intelligent rain collecting greenhouse Active CN106576557B (en)

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Cited By (7)

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CN107155733A (en) * 2017-07-04 2017-09-15 贵州创宇生物科技有限公司 A kind of intelligent drip-irrigation device
CN107455185A (en) * 2017-08-15 2017-12-12 湖北科技学院 A kind of automatic drip on three-dimensional agriculture planting shed pours device
CN107926645A (en) * 2017-10-25 2018-04-20 昆明理工大学 A kind of packaged type water light automatic regulating system
CN108668704A (en) * 2018-05-18 2018-10-19 台州创投环保科技有限公司 A kind of intelligent greenhouse system of agricultural
CN109479482A (en) * 2018-11-19 2019-03-19 安徽丰絮农业科技股份有限公司 A kind of greenhouse gardening water-fertilizer integral system
CN109924043A (en) * 2019-04-29 2019-06-25 李彩华 A kind of water-saving irrigation device with water collecting function for greenhouse
CN112577877A (en) * 2020-12-02 2021-03-30 武汉大学 Water and fertilizer integrated drip irrigation control migration testing device and method for black soil and multiple soil layers in cold region

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