CN108283046A - High-efficient irrigation system suitable for dense planting crop water-fertilizer integral - Google Patents
High-efficient irrigation system suitable for dense planting crop water-fertilizer integral Download PDFInfo
- Publication number
- CN108283046A CN108283046A CN201810384261.6A CN201810384261A CN108283046A CN 108283046 A CN108283046 A CN 108283046A CN 201810384261 A CN201810384261 A CN 201810384261A CN 108283046 A CN108283046 A CN 108283046A
- Authority
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- China
- Prior art keywords
- water
- pipe
- fertilizer
- liquid manure
- irrigation system
- 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.)
- Pending
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 46
- 238000003973 irrigation Methods 0.000 title claims abstract description 25
- 230000002262 irrigation Effects 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 210000003608 fece Anatomy 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000010871 livestock manure Substances 0.000 claims abstract description 38
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000003621 irrigation water Substances 0.000 claims abstract description 4
- 238000003892 spreading Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The present invention relates to irrigation technique fields, and in particular to is suitable for the high-efficient irrigation system of dense planting crop water-fertilizer integral, including iirigation water source, pipeline, No.1 pump, ferigation component, No. two pumps and fine-spraying belt;The present invention provides the high-efficient irrigation system suitable for dense planting crop water-fertilizer integral, common PVC pipe is constituted as pipeline on the market for use, and cost and service life realize equilibrium, economical and practical, and later maintenance management is convenient;Every fine-spraying belt can be controlled individually, and according to required uniformity when irrigating, the control area convenient for freely regulating and controlling every fine-spraying belt and the uniformity of irrigation water appilcation in control area effectively reduce energy consumption;Switched by triple valve and related valve, realizes the free switching of water or water and fertilizer irrigation, it is easy to use;When carrying out liquid manure pouring, uniformly mixing is realized by agitator tank, is convenient for subsequent sprinkling irrigation.
Description
Technical field
The present invention relates to irrigation technique fields, and in particular to is suitable for the high-efficient irrigation system of dense planting crop water-fertilizer integral
System.
Background technology
Water-fertilizer integral can supply water according to the demand rule to liquid manure of crop growth, timely and appropriate discovery to crop
Divide and nutrient plays the genetic potential of crop itself good quality and high output, to greatest extent while improving liquid manure utilization ratio
It is confirmed by lot of domestic and foreign research and production application.The Integration of Water into Fertilizer is being realized agricultural production abridged edition, is being increased income, synergy
Farmland ecological environment is improved simultaneously, not only contribute to the sustainable development of agricultural and is had to building Socialist New
Highly important meaning.
Existing surface irrigation mostly uses greatly makes liquid manure solution enter crop root layer after broadcast application by pouring water, this
Mode does not ensure that the effect of irrigation, small to the growth-promoting effect of crop;And existing drip irrigation system, especially field pipeline
Big to mostly use PE hard tubes or cross modeling hose, existing greatest problem is that the former installation is convenient and is not easy leak, but at
Ben Taigao;It crosses modeling hose and is laid with recycling conveniently, cost is relatively low, but service life is shorter, and maintenance cost cost is higher.
Invention content
(1) the technical issues of solving
The purpose of the present invention is to overcome the deficiency in the prior art, provides the efficient filling suitable for dense planting crop water-fertilizer integral
Irrigate system.
(2) technical solution
Suitable for the high-efficient irrigation system of dense planting crop water-fertilizer integral, including iirigation water source, pipeline, No.1 pump, fertilising
Component, No. two pumps and fine-spraying belt;The pipeline include water inlet pipe, aqueduct, water guide fertilizer pipe, into liquid manure pipe, draining fertilizer pipe, field
Liquid manure delivery pipe and drainpipe;The pipeline uses PVC pipe;The ferigation component is arranged on ridge, including fertilizer spreading tank and
Agitator tank, fertilising pot bottom are connected by water guide fertilizer pipe at the top of blending tank;Described water inlet pipe one end is stretched into iirigation water source, another
The water inlet end of end connection No.1 pump, the water outlet of No.1 pump connect aqueduct, are equipped with triple valve on aqueduct, triple valve it is another
Outer both ends are separately connected fertilising pot bottom and drainpipe one end;The agitator tank bottom end by into liquid manure pipe connect No. two pump into
Water end (W.E.) is provided with valve into liquid manure pipe, and the water outlet connection draining fertilizer pipe of No. two pumps drains fertile pipe and is also equipped with valve;It is described
The fertile pipe connection of draining is laid on the field liquid manure delivery pipe in field;The field liquid manure delivery pipe water inlet end is additionally provided with pressure
Table;Connector is evenly arranged in the field liquid manure delivery pipe, drainpipe connects the company on the liquid manure delivery pipe water inlet end of field
Fitting, remaining connector connect along crop gap setting fine-spraying belt and connecting pin be also equipped with valve;The field liquid manure
Delivery pipe tail end is provided with drain valve.
Preferably, rotary electric machine is provided at the top of the agitator tank, rotary electric machine is connected with shaft downwards, and shaft stretches into
In to agitator tank and it is provided with helical blade.
Preferably, the fine-spraying belt is arranged on the artificial low bank of earth between fields, and the low bank of earth between fields is along crop gap setting, the wide 20~22cm in bottom,
High 40~50cm.
Preferably, the connector is threeway or increasing interface.
Preferably, bending place is connected using elbow in the pipeline.
Preferably, it is provided with material-feeding port at the top of the fertilizer spreading tank.
(3) advantageous effect
The present invention provides the high-efficient irrigation systems suitable for dense planting crop water-fertilizer integral, have following benefit:
1, common PVC pipe is constituted as pipeline on the market for use, and cost and service life realize equilibrium, economical and practical, and
And later maintenance management is convenient;
2, every fine-spraying belt can be controlled individually, micro- convenient for freely regulating and controlling every according to the uniformity required when irrigating
The control area and the uniformity of irrigation water appilcation in control area for spraying band, effectively reduce energy consumption;
3, it is poured water using fine-spraying belt, uniformity of irrigation water appilcation is high, the band rotation flow soon of small quota may be implemented, to emergent drought resisting
Function;
4, fine-spraying belt is laid on the low bank of earth between fields, can be further increased in effect lifting fine-spraying belt in the height in field and pour water, apply
The fertile uniformity, especially after dense planting crop grows tall;
5, switched by triple valve and related valve, realizes the free switching of water or water and fertilizer irrigation, it is easy to use.
6, when carrying out liquid manure pouring, uniformly mixing is realized by agitator tank, is convenient for subsequent sprinkling irrigation.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments that the present invention protects, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure chart of the present invention;
Fig. 2 is the structure chart of blending tank in the present invention;
Fig. 3 is the lay figure of fine-spraying belt in the present invention.
1- iirigation water sources, 101- water inlet pipes, 2- No.1s pump, 201- aqueducts, 3- fertilizer spreading tanks, 301- water guide fertilizer pipes, 302-
Material-feeding port, 4- blending tanks, 401- are pumped into liquid manure pipe, 402- rotary electric machines, 403- shafts, 404- helical blades, 5- bis-, 501-
Draining fertilizer pipe, 6- pressure gauges, the fields 7- liquid manure delivery pipe, 701- connectors, 8- fine-spraying belts, the 9- low banks of earth between fields, 10- drainpipes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Referring to attached drawing, it is suitable for the high-efficient irrigation system of dense planting crop water-fertilizer integral, including iirigation water source 1, pipeline, one
Number pump 2, ferigation component, No. two pumps 5 and fine-spraying belt 8;Pipeline includes water inlet pipe 101, aqueduct 201, water guide fertilizer pipe 301, water inlet
Fertile pipe 401, the fertile pipe 501 of draining, field liquid manure delivery pipe 7 and drainpipe 10;Pipeline uses PVC pipe, convenient for purchasing associated
Connect accessory;Ferigation component is arranged on ridge, including fertilizer spreading tank 3 and agitator tank 4, and 3 bottom of fertilizer spreading tank is connected by water guide fertilizer pipe 301
Connect 4 top of blending tank;101 one end of water inlet pipe is stretched into iirigation water source 1, and the other end connects the water inlet end of No.1 pump 2, No.1 pump 2
Water outlet connect aqueduct 201, triple valve is installed on aqueduct 201, the other both ends of triple valve are separately connected fertilizer spreading tank 3
10 one end of bottom and drainpipe;4 bottom end of agitator tank is by the water inlet end into No. two pumps 5 of connection of liquid manure pipe 401, into liquid manure pipe 401
Valve is installed, the fertile pipe 501 of water outlet connection draining of No. two pumps 5 drains fertile pipe 501 and is also equipped with valve;Draining fertilizer pipe 501
Connection is laid on the field liquid manure delivery pipe 7 in field;Liquid manure delivery pipe 7 water inlet end in field is also equipped with pressure gauge, for monitoring
Overpressure;Connector 701 is uniformly installed, drainpipe 10 connects field liquid manure delivery pipe 7 and intakes in field liquid manure delivery pipe 7
Connector 701 on end, remaining connector 701 connect along crop gap setting fine-spraying belt 8 and connecting pin be also equipped with valve
Door;Liquid manure delivery pipe 7 tail end in field is equipped with drain valve.
Wherein, 4 top of agitator tank is equipped with rotary electric machine, and rotary electric machine is connected with shaft 403 downwards, and shaft 403 is stretched
Enter into agitator tank 4 and helical blade 404 is installed.
Wherein, fine-spraying belt 8 is placed on the artificial low bank of earth between fields 9, and for the low bank of earth between fields 9 along crop gap setting, the wide 20~22cm in bottom is high by 40
~50cm.
Wherein, connector 701 is threeway or increasing interface.
Wherein, bending place is connected using elbow in pipeline.
Wherein, 3 top of fertilizer spreading tank is machined with material-feeding port 302.
The present apparatus can realize water or water and fertilizer irrigation, specifically, switching three-way valve, makes aqueduct 201, drainpipe 10, field
Liquid manure delivery pipe 7 is connected to, and is started No.1 pump 2 at this time, i.e., the water in iirigation water source 1 is passed directly into fine-spraying belt 8, is carried out to field
Water is irrigated;Switching three-way valve makes aqueduct 201, ferigation component, into liquid manure pipe 401, the fertile pipe 501 of draining, field liquid manure delivery pipe
7 connections, start water pump 2 and the water in iirigation water source 1 is passed through fertilizer spreading tank 3 by rotary electric machine 4, water pump, with it at the beginning of internal fertilizer
Step mixes, and fertilizer is entered by water guide fertilizer pipe 301 in agitator tank 4 with water later, is sufficiently mixed under the action of helical blade, it
No. two pumps 5 are opened afterwards, and liquid manure mixed liquor in agitator tank 4 is imported in field liquid manure delivery pipe 7 and is passed through fine-spraying belt 8, to field
Carry out water irrigation.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific implementation mode that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the original of the present invention
Reason and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (6)
1. the high-efficient irrigation system suitable for dense planting crop water-fertilizer integral, it is characterised in that:Including iirigation water source, pipeline, one
Number pump, ferigation component, No. two pumps and fine-spraying belt;The pipeline include water inlet pipe, aqueduct, water guide fertilizer pipe, into liquid manure pipe, draining
Fertilizer pipe, field liquid manure delivery pipe and drainpipe;The pipeline uses PVC pipe;The ferigation component is arranged on ridge, including
Fertilizer spreading tank and agitator tank, fertilising pot bottom are connected by water guide fertilizer pipe at the top of blending tank;Irrigation water is stretched into described water inlet pipe one end
In source, the other end connects the water inlet end of No.1 pump, and the water outlet of No.1 pump connects aqueduct, triple valve is equipped on aqueduct,
The other both ends of triple valve are separately connected fertilising pot bottom and drainpipe one end;The agitator tank bottom end into liquid manure pipe by connecting
The water inlet end of No. two pumps is provided with valve into liquid manure pipe, and the water outlet connection draining fertilizer pipe of No. two pumps drains fertile pipe and is also equipped with
Valve;The fertile pipe connection of draining is laid on the field liquid manure delivery pipe in field;The field liquid manure delivery pipe water inlet end is also set
It is equipped with pressure gauge;Connector is evenly arranged in the field liquid manure delivery pipe, drainpipe connects the water inlet of field liquid manure delivery pipe
Connector on end, remaining connector connect along crop gap setting fine-spraying belt and connecting pin be also equipped with valve;It is described
Field liquid manure delivery pipe tail end is provided with drain valve.
2. the high-efficient irrigation system according to claim 1 suitable for dense planting crop water-fertilizer integral, it is characterised in that:Institute
It states and is provided with rotary electric machine at the top of agitator tank, rotary electric machine is connected with downwards shaft, and shaft extend into agitator tank and is arranged
There is helical blade.
3. the high-efficient irrigation system according to claim 1 suitable for dense planting crop water-fertilizer integral, it is characterised in that:Institute
It states fine-spraying belt to be arranged on the artificial low bank of earth between fields, the low bank of earth between fields is along crop gap setting, the wide 20~22cm in bottom, high 40~50cm.
4. the high-efficient irrigation system according to claim 1 suitable for dense planting crop water-fertilizer integral, it is characterised in that:Institute
It is threeway or increasing interface to state connector.
5. the high-efficient irrigation system according to claim 1 suitable for dense planting crop water-fertilizer integral, it is characterised in that:Institute
Bending place in pipeline is stated to connect using elbow.
6. the high-efficient irrigation system according to claim 1 suitable for dense planting crop water-fertilizer integral, it is characterised in that:Institute
It states and is provided with material-feeding port at the top of fertilizer spreading tank.
Priority Applications (1)
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CN201810384261.6A CN108283046A (en) | 2018-04-26 | 2018-04-26 | High-efficient irrigation system suitable for dense planting crop water-fertilizer integral |
Applications Claiming Priority (1)
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CN201810384261.6A CN108283046A (en) | 2018-04-26 | 2018-04-26 | High-efficient irrigation system suitable for dense planting crop water-fertilizer integral |
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CN201810384261.6A Pending CN108283046A (en) | 2018-04-26 | 2018-04-26 | High-efficient irrigation system suitable for dense planting crop water-fertilizer integral |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108812618A (en) * | 2018-08-31 | 2018-11-16 | 芜湖玖荣生物科技有限公司 | A kind of multi-functional irrigation equipment of miniaturization |
CN109168528A (en) * | 2018-08-31 | 2019-01-11 | 靖西海越农业有限公司 | A kind of liquid manure wisdom applies fill system |
CN110140504A (en) * | 2019-06-12 | 2019-08-20 | 广西大学 | A kind of Portable mini irrigation fertilizer apparatus and fertilizing method |
CN110558205A (en) * | 2019-10-23 | 2019-12-13 | 江苏鑫瑞源食品有限公司 | wheat sprinkling irrigation equipment |
CN110754335A (en) * | 2019-11-12 | 2020-02-07 | 华北水利水电大学 | Ecological landscape water storage green land structure |
CN111670791A (en) * | 2020-07-09 | 2020-09-18 | 浙江农林大学 | Automatic energy-saving irrigation and drainage dual-purpose system suitable for garden seedling culture |
CN115039553A (en) * | 2022-06-15 | 2022-09-13 | 甘肃农业大学 | Corn is planted and is used fertigation device |
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EP0521539A1 (en) * | 1991-07-04 | 1993-01-07 | Kaj Aage Bräuner | A plant for delivery of a mixture of water and fertilizing substances through an irrigation system |
US20040195372A1 (en) * | 2002-12-25 | 2004-10-07 | Inc. Admn. Agncy, Nat. Agr. & Bio-Orntd Rsrch Org | Intermittent automatic irrigation system |
CN201986484U (en) * | 2011-04-07 | 2011-09-28 | 彭福慧 | Sloping field irrigation system |
KR101407857B1 (en) * | 2013-07-01 | 2014-06-16 | 구지민 | nutrient solution supply system with ventury |
CN104303677A (en) * | 2014-10-27 | 2015-01-28 | 宿州学院 | Integrated water-fertilizer micro-jetting irrigation fertilizing system |
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CN206481608U (en) * | 2017-01-13 | 2017-09-12 | 山东省烟台市农业科学研究院 | A kind of integrated irrigation system of the simple rich water in hilly and mountainous land sweet cherry garden |
CN107241956A (en) * | 2017-06-07 | 2017-10-13 | 南京创生物科技有限公司 | A kind of water-fertilizer integral equipment for low temperature environment |
CN206808057U (en) * | 2017-03-28 | 2017-12-29 | 泉州壕行机械有限公司 | A kind of agricultural drop irrigation device |
CN107593069A (en) * | 2017-08-24 | 2018-01-19 | 中国农业科学院农田灌溉研究所 | A kind of micro spray irrigation fertilization system of water-fertilizer integral |
CN207118286U (en) * | 2017-08-06 | 2018-03-20 | 菏泽市农业科学院 | A kind of liquid manure integral drop filling device |
CN208095187U (en) * | 2018-04-26 | 2018-11-16 | 中国农业科学院农田灌溉研究所 | High-efficient irrigation system suitable for dense planting crop water-fertilizer integral |
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EP0521539A1 (en) * | 1991-07-04 | 1993-01-07 | Kaj Aage Bräuner | A plant for delivery of a mixture of water and fertilizing substances through an irrigation system |
US20040195372A1 (en) * | 2002-12-25 | 2004-10-07 | Inc. Admn. Agncy, Nat. Agr. & Bio-Orntd Rsrch Org | Intermittent automatic irrigation system |
CN201986484U (en) * | 2011-04-07 | 2011-09-28 | 彭福慧 | Sloping field irrigation system |
KR101407857B1 (en) * | 2013-07-01 | 2014-06-16 | 구지민 | nutrient solution supply system with ventury |
CN104303677A (en) * | 2014-10-27 | 2015-01-28 | 宿州学院 | Integrated water-fertilizer micro-jetting irrigation fertilizing system |
CN206226996U (en) * | 2016-12-05 | 2017-06-09 | 温州科技职业学院 | A kind of integrated irrigation system |
CN206481608U (en) * | 2017-01-13 | 2017-09-12 | 山东省烟台市农业科学研究院 | A kind of integrated irrigation system of the simple rich water in hilly and mountainous land sweet cherry garden |
CN206808057U (en) * | 2017-03-28 | 2017-12-29 | 泉州壕行机械有限公司 | A kind of agricultural drop irrigation device |
CN107241956A (en) * | 2017-06-07 | 2017-10-13 | 南京创生物科技有限公司 | A kind of water-fertilizer integral equipment for low temperature environment |
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CN208095187U (en) * | 2018-04-26 | 2018-11-16 | 中国农业科学院农田灌溉研究所 | High-efficient irrigation system suitable for dense planting crop water-fertilizer integral |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108812618A (en) * | 2018-08-31 | 2018-11-16 | 芜湖玖荣生物科技有限公司 | A kind of multi-functional irrigation equipment of miniaturization |
CN109168528A (en) * | 2018-08-31 | 2019-01-11 | 靖西海越农业有限公司 | A kind of liquid manure wisdom applies fill system |
CN109168528B (en) * | 2018-08-31 | 2021-01-15 | 靖西海越农业有限公司 | Intelligent water and fertilizer irrigation system |
CN110140504A (en) * | 2019-06-12 | 2019-08-20 | 广西大学 | A kind of Portable mini irrigation fertilizer apparatus and fertilizing method |
CN110558205A (en) * | 2019-10-23 | 2019-12-13 | 江苏鑫瑞源食品有限公司 | wheat sprinkling irrigation equipment |
CN110754335A (en) * | 2019-11-12 | 2020-02-07 | 华北水利水电大学 | Ecological landscape water storage green land structure |
CN111670791A (en) * | 2020-07-09 | 2020-09-18 | 浙江农林大学 | Automatic energy-saving irrigation and drainage dual-purpose system suitable for garden seedling culture |
CN115039553A (en) * | 2022-06-15 | 2022-09-13 | 甘肃农业大学 | Corn is planted and is used fertigation device |
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