CN105027791B - A kind of fertigation device of quick dissolving fertilizer - Google Patents
A kind of fertigation device of quick dissolving fertilizer Download PDFInfo
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- CN105027791B CN105027791B CN201510379077.9A CN201510379077A CN105027791B CN 105027791 B CN105027791 B CN 105027791B CN 201510379077 A CN201510379077 A CN 201510379077A CN 105027791 B CN105027791 B CN 105027791B
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- pond
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 116
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 230000002262 irrigation Effects 0.000 claims abstract description 32
- 238000003973 irrigation Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 12
- 210000003608 Feces Anatomy 0.000 abstract description 6
- 239000010871 livestock manure Substances 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 6
- 241000196324 Embryophyta Species 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- -1 does not hinder root Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004720 fertilization Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 210000003205 Muscles Anatomy 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L Potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 238000011031 large scale production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The invention discloses a kind of fertigation device of quick dissolving fertilizer, including pond, inlet channel, molten fertile pond, fertilizer producing tube road and drip irrigation system, the molten Fei Chi tops are provided with into Fei Kou, provided with annular outlet conduit in molten fertile pond, there are several outlet pipes consistent with the annular tangential direction on the annular outlet conduit；One end of the inlet channel is connected with pond, and the other end is connected with the annular outlet conduit, and the inlet channel is provided with check valve, water pump and inlet valve；The one end in the fertilizer producing tube road is connected with molten fertile pond, and the other end is connected with drip irrigation system, and fertilizer producing tube road is provided with out fertile valve.The process of apparatus of the present invention dissolving fertilizer is very simple and convenient, without using mixing plant or the artificial stirring of progress fertilizer can be made to dissolve rapidly, liquid manure liquid is evenly distributed, saving of work and time, improves fertilising efficiency, and utilization rate of fertilizer is high.
Description
Technical field
The invention belongs to agricultural irrigation fertilizing equipment, in particular it relates to a kind of fertigation device of quick dissolving fertilizer.
Background technology
As population increases, particularly industrialization, Development of China's Urbanization accelerate, the money such as China's cultivated land area, water resources shortage
Source constraint is increasingly becoming tight, at the same time, the basic still extensive style of China's agricultural irrigation, the filling that traditional flood irrigation, border irrigation etc. fall behind
Irrigate mode to be also seen everywhere, the phenomenon that agricultural water is wasted is seen everywhere, and water and fertilizer utilization is not high.According to statistics, the annual agriculture of China
Industry irrigation water total amount is in 3600 billion cubic meters or so, and chemical fertilizer application total amount is up to 57,000,000 tons.
Water-fertilizer integral Precision Irrigation fertilizer practice is to apply fertilizer with irrigating a new skill of precision agriculture being combined together
Art, it by irrigation system, by the solution dissolved by solid fertilizer or liquid fertilizer together it is uniform, be accurately input to crop
Root soil, effectively control duty and dose, improve liquid manure utilization ratio, realize water and fertilizer synchronization management and efficiently utilization
Water-saving agricultural technology.In order to improve water resource and manure resources utilization rate, agricultural sectors at different levels widely popularize water-fertilizer integral
Technology, is organically combined by irrigating with fertilising, realizes water and fertilizer synchronization management and efficiently utilization.
With the popularization of water-fertilizer integral, China obtains certain achievement on water-fertilizer integral field, but in liquid manure
In the extension process of integration, problems are still there are, are mainly manifested in：1. the poor infrastructure of water-saving irrigation, agriculture
Industry irrigation equipment falls behind；2. the dissolving of some fertilizer is slower, such as potassium sulfate, when water temperature is relatively low, the dissolving of fertilizer also can be by shadow
Ring；3. fertilizer mixes uneven during dissolving with water, cause the uniformity for reducing fertilizer；4. some fertilizer apparatuses are not
There is anti-blockage filter, the situation for the easy block system of indissoluble solution easily occur；5. due to the plantation situation of various regions, irrigate custom etc.
There is very big difference, part water-fertilizer integral system is not suitable with local circumstance.
The problem of existing during being applied fertilizer for more than, in the evolution of water-fertilizer integral, water-saving irrigation device factory
Family should accelerate the research and development of water-saving irrigation system.At present, in China's agricultural production, one kind is badly in need of soon in the farm of large-scale production
The problem of fast, efficient, cheap fertigation equipment is to solve to exist during fertilizer application.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of fertigation device of quick dissolving fertilizer, without making
With mixing plant or carrying out artificial stirring can be such that fertilizer dissolves rapidly, liquid manure liquid is set to be evenly distributed, saving of work and time.Present invention dress
The irrigation technique with reference to water-fertilizer integral is put, Tree Precise Fertilization, water-saving fertilizer-saving on demand is carried out, largely reduces and be produced into
This, also mitigates labor intensity.The device is easy to operate, flexibly, and a small amount of repeatedly fertilising can be achieved, timely and appropriately supplements the nutrients
Material, does not hinder root, and water is arrived to fertilizer, is absorbed quickly by root system of plant, and utilization rate of fertilizer is high, is conducive to the popularization of large area and answers
With.
A kind of fertigation device of quick dissolving fertilizer, including pond, inlet channel, molten fertile pond, fertilizer producing tube road and drop
Fill system, the molten Fei Chi tops are provided with into Fei Kou, provided with annular outlet conduit in molten fertile pond, are had on the annular outlet conduit
Several outlet pipes consistent with the annular tangential direction；One end of the inlet channel is connected with pond, the other end and institute
Annular outlet conduit connection is stated, the inlet channel is provided with check valve, water pump and inlet valve；The one end in the fertilizer producing tube road
Connected with molten fertile pond, the other end is connected with drip irrigation system, fertilizer producing tube road is provided with out fertile valve.
Fertilizer is poured into molten fertile pond in use, be first shut off out fertile valve, inlet valve by the present invention from Fei Kou is entered, and is opened
Water pump and inlet valve, are pumped into the water in pond in molten fertile pond by check valve, with the increase of hydraulic pressure, from annular outlet pipe
Water one powerful whirlpool of formation in the outlet pipe in road out, fertilizer is stirred and dissolved with water, and fertilizer is by repeatedly following
After ring stirring, the fertilizer in molten fertile pond is to be completely dissolved in clear water；Inlet valve is closed, fertile valve is opened out, fertilizer is via going out fertilizer
Pipeline enters in drip irrigation system, then the soil that fertilizer is applied near crop root by drip irrigation system, is more prone to allow crop to inhale
Receive.
The outlet pipe consistent with the annular tangential direction is beneficial to make the fertilizer in molten fertile pond on the annular outlet conduit
Quick dissolving, the structure significantly improves the rate of dissolution of fertilizer, without additionally manually being stirred, it is adaptable to large, medium and small agriculture
, saving of work and time.The inlet channel is provided with check valve, water pump and inlet valve, and the setting of wherein check valve is effectively prevented
Outlet liquid reversely fills pump so that the situation for damaging water pump vane occurs.Molten fertile tankage can need to adjust big according to user
Small, the size of the annular outlet conduit can also be adjusted according to the size in molten fertile pond, and the present invention is a kind of suitable for large, medium and small
The Irrigation and fertilization system on farm.
Preferably, the inlet channel is divided into interconnected water inlet supervisor and water inlet pipe, the check valve and water pump
It is sequentially arranged at along water (flow) direction on water supervisor.
Preferably, the inlet valve is equipped with the water inlet supervisor and water inlet pipe, the water inlet is responsible for along current
Direction is sequentially provided with check valve, inlet valve and water pump.
Preferably, the fertilizer producing tube road is passed sequentially through connects into water supervisor, fertilizer supervisor with drip irrigation system, the fertilizer producing tube
One end that road is connected with water inlet supervisor is located between inlet valve and water pump.
Preferably, the fertilizer supervisor is responsible for valve provided with fertilizer.
Preferably, the molten fertile pond is connected by fertilizer outlet with fertilizer producing tube road, and Anti-blocked bottom valve, institute are provided with the fertilizer outlet
State the excessive caused line clogging of viscosity that Anti-blocked bottom valve effectively prevent fertilizer.
The impurity drained for convenience in molten fertile pond, it is preferable that the bottom in the molten fertile pond is provided with blow-off pipe, the blowdown
Pipe is provided with scum cock.
Preferably, the water pump is provided with built-in power, and power switch is placed in the outside of the water pump.
Preferably, the drip irrigation system has several drip irrigation pipes.
Preferably, the material of the annular outlet conduit is PVC plastic expects pipe, PE pipes, PP pipes or stainless steel tube.
Preferably, the annular outlet conduit is connected by several connecting tubes outlet pipe corresponding with several, institute
The junction for stating connecting tube and annular outlet conduit is equipped with tumbler, and all tumblers control to connect by controller
Connect, the controller controls all connecting tube rotation directions consistent by tumbler.When dissolving fertilizer, all connecting tubes
Rotation direction it is consistent, beneficial to the whirlpool for forming different directions, change the direction of whirlpool, promote fertilizer quickly to dissolve.
Preferably, the controller controls all connecting tubes in the plane vertical with annular tangent line by tumbler
Rotate, and rotation direction is consistent.When dissolving fertilizer, the rotation direction of all connecting tubes is consistent, and is hung down with annular tangent line
Straight rotation with surface, forms the size of whirlpool beneficial to control, promotes fertilizer quickly to dissolve.
Preferably, the annular outlet conduit is formed by connecting by several turning sets and device, the turning set and device
For three-port structure, connected respectively with two annular outlet conduits and a connecting tube, the turning set and device are and controller
Control connection, the controller controls all connecting tube rotation directions consistent by turning set and device, the connecting tube and
Outlet pipe is connected.Now, the connecting tube is with turning set and device, in the rotation with surface vertical with annular tangent line, owns
Connecting tube rotation direction it is consistent, the size of whirlpool is formed beneficial to control, promotes fertilizer quickly to dissolve.
Preferably, the outlet pipe includes setting respectively on the delivery port of both direction opposite direction, described two delivery ports
There is flowing water Valve.
Preferably, control to connect along the flowing water Valve on the annular unidirectional delivery port and identical time switch
Connect.Flowing water Valve on opposite direction delivery port is controlled by time switch, the same time opens clockwise outlet valve
Door, closes anticlockwise flowing water Valve；Or, the same time opens anticlockwise flowing water Valve, closes clockwise
The flowing water Valve in direction.Change swirling water current direction, promote fertilizer dissolving.
Preferably, the controller and time switch are located at the outside in the molten fertile pond.
Compared with prior art, beneficial effect of the present invention is：Apparatus of the present invention are simple in construction, equipment cost is low, described
Molten fertile pond is applied to dissolved solid water-soluble fertilizer or liquid water-soluble fertilizer, and the process for dissolving fertilizer is very simple and convenient, without making
With mixing plant or carrying out artificial stirring can be such that fertilizer dissolves rapidly, and liquid manure liquid is set to be evenly distributed, saving of work and time is improved
Fertilising efficiency.The device is easy to operate, flexibly, a small amount of repeatedly fertilising can be achieved, timely and appropriately supplement the nutrients material, does not hinder
Root, water is arrived to fertilizer, is absorbed quickly by root system of plant, and utilization rate of fertilizer is high, is conducive to the promotion and application of large area.Only needing to will
Flexible pipe is dragged to the region for needing to apply fertilizer, it is not necessary to carries fertilizer bucket or fertilizer tank, undoubtedly eliminates muscle power and the labour of fertilising.Together
When, molten fertile tankage can need according to user, changeable, be a kind of Irrigation and fertilization system suitable for large, medium and small farm.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the fertigation device of quick dissolving fertilizer of embodiment 1.
Caption：1- ponds；2- inlet channels；21- check valves；22- water pumps；23- inlet valves；24- water inlet supervisors；25-
Water inlet pipe；The molten fertile ponds of 3-；31- annular outlet conduits；32- outlet pipes；33- enters Fei Kou；34- Anti-blocked bottom valves；35- blow-off pipes；
36- scum cocks；4- fertilizer producing tubes road；41- goes out fertile valve；5- fertilizer is responsible for；51- fertilizer is responsible for valve；6- drip irrigation systems.
Embodiment
With reference to embodiments and the present invention is described in detail accompanying drawing.Wherein, being given for example only property of accompanying drawing illustrates,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the limitation to this patent；In order to which the reality of the present invention is better described
Example is applied, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Embodiment 1
As described in Figure 1, a kind of fertigation device of quick dissolving fertilizer, including pond 1, water inlet are present embodiments provided
Pipeline 2, molten fertile pond 3, fertilizer producing tube road 4, fertilizer supervisor 5 and drip irrigation system 6.
2 points of the inlet channel is interconnected water inlet supervisor 24 and water inlet pipe 25, and the water inlet supervisor's 24 is another
One end is connected with pond 1, and the other end of water inlet pipe 25 is connected with the annular outlet conduit 31 in the molten fertile pond 3.It is described enter
Water supervisor 24 is sequentially provided with check valve 21, inlet valve 23 and water pump 22, the water inlet pipe 25 along water (flow) direction to be additionally provided with
One inlet valve 23；The check valve 21 effectively prevent outlet liquid and reversely fill pump so that making the feelings of the impeller failure of water pump 22
Condition occurs, and water pump 22 is provided with built-in power, and power switch is placed in the outside of water pump 22, is easy to operation.
The molten fertile top of pond 3 is provided with into fertile mouth 33, in order that the fertilizer added in molten fertile pond 3 quickly dissolves, molten fertile pond 3
Interior provided with annular outlet conduit 31, the annular outlet conduit 31 is connected with water inlet pipe 25, current entrance, annular outlet conduit
There are several outlet pipes 32 consistent with the annular tangential direction on 31, the material of the annular outlet conduit is stainless steel
Pipe；The outlet pipe 32 operationally, by certain hydraulic pressure, water one powerful whirlpool of formation out, fertilizer with
Water is stirred and dissolved, and fertilizer is after multiple circulation stirring, and the fertilizer in molten fertile pond 3 quick and complete can be dissolved in clear water.It is described molten
Fertile pond 3 is connected by fertilizer outlet with fertilizer producing tube road 4, and Anti-blocked bottom valve 34 is provided with the fertilizer outlet, the viscosity mistake because of fertilizer is prevented
Line clogging caused by big.The bottom in the molten fertile pond 3 is provided with blow-off pipe 35, and the blow-off pipe 35 is provided with scum cock 36,
The impurity conveniently drained in molten fertile pond 3.
The other end in the fertilizer producing tube road 4 is connected by supervisor 24 of intaking with fertilizer supervisor 5, and the fertilizer producing tube road 4 is with entering
One end of the connection of water supervisor 24 is located between inlet valve 23 and water pump 22.Fertilizer producing tube road 4 is provided with out fertile valve 41, the fertilizer
The end of material supervisor 5 is connected with drip irrigation system 6.The fertilizer supervisor 5 is responsible for valve 51, the drip irrigation system 6 provided with fertilizer
There are several drip irrigation pipes.
The present embodiment device, will in use, be first shut off scum cock 36, go out fertile valve 41 and two inlet valves 23
Fertilizer pours into molten fertile pond 3 from fertile mouth 33 is entered, and the power switch of water pump 22 and two inlet valves 23 is opened, by check valve 21 water
Water in pond 1 is pumped into molten fertile pond 3, with the increase of hydraulic pressure, the water shape from the outlet pipe 32 of annular outlet conduit 31 out
Into a powerful whirlpool, fertilizer is stirred and dissolved with water, and fertilizer is after multiple circulation stirring, the fertilizer in molten fertile pond 3
Material is completely dissolved in clear water.Two inlet valves 23 are closed, fertile valve 41 and fertilizer supervisor's valve 51 is opened out, opens water pump
22, fertilizer is after Anti-blocked bottom valve 34, and the drip irrigation system 6 for being responsible for 5 connections via fertilizer is applied in the soil near crop root,
It is more prone to allow crop to absorb.
The structure significantly improves the rate of dissolution of fertilizer, without additionally manually being stirred, it is adaptable to large, medium and small agriculture
, saving of work and time.
Obviously, the above embodiment of the present invention is just for the sake of clearly demonstrating example of the present invention, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the field, on the basis of the above description also
It can make other changes in different forms, there is no necessity and possibility to exhaust all the enbodiments.It is all
Any modifications, equivalent substitutions and improvements made within the scope of the spirit and principles in the present invention etc., should be included in power of the present invention
Within the protection domain that profit is required.
Claims (10)
1. a kind of fertigation device of quick dissolving fertilizer, it is characterised in that including pond, inlet channel, molten fertile pond, go out fertilizer
Pipeline and drip irrigation system, the molten Fei Chi tops are provided with into Fei Kou, provided with annular outlet conduit, the annular water outlet in molten fertile pond
There are several outlet pipes consistent with the annular tangential direction on pipeline；One end of the inlet channel is connected with pond, separately
One end is connected with the annular outlet conduit, and the inlet channel is provided with check valve, water pump and inlet valve；The fertilizer producing tube
The one end in road is connected with molten fertile pond, and the other end is connected with drip irrigation system, and fertilizer producing tube road is provided with out fertile valve；The annular water outlet
Pipeline is connected by several connecting tubes outlet pipe corresponding with several, the connecting tube and the connection of annular outlet conduit
Place is equipped with tumbler, and all tumblers control to connect by controller, and the controller passes through tumbler control
All connecting tube rotation directions are consistent；The annular outlet conduit is formed by connecting by several turning sets and device, described turn
Dynamic set and device are three-port structure, are connected respectively with two annular outlet conduits and a connecting tube, the turning set and device
It is connected with controller control, the controller controls all connecting tube rotation directions consistent by turning set with device, institute
Connecting tube is stated to connect with outlet pipe；Now, the connecting tube is with turning set and device, in the plane vertical with annular tangent line
Rotate, the rotation direction of all connecting tubes is consistent, and the size of whirlpool is formed beneficial to control, promotes fertilizer quickly to dissolve.
2. fertigation device according to claim 1, it is characterised in that the inlet channel, which is divided into, interconnected to be entered
Water is responsible for and water inlet pipe, and the check valve and water pump are sequentially arranged at on water supervisor along water (flow) direction.
3. fertigation device according to claim 2, it is characterised in that be all provided with the water inlet supervisor and water inlet pipe
There is the inlet valve, the water inlet supervisor is sequentially provided with check valve, inlet valve and water pump along water (flow) direction.
4. fertigation device according to claim 3, it is characterised in that the fertilizer producing tube road is passed sequentially through into water master
Pipe, fertilizer supervisor connect with drip irrigation system, and one end that the fertilizer producing tube road is connected with water inlet supervisor is located at inlet valve and water pump
Between.
5. fertigation device according to claim 4, it is characterised in that the fertilizer supervisor is provided with fertilizer main pipe valve
Door.
6. fertigation device according to claim 1, it is characterised in that the molten fertile pond passes through fertilizer outlet and fertilizer producing tube
Road is connected, and Anti-blocked bottom valve is provided with the fertilizer outlet.
7. fertigation device according to claim 1, it is characterised in that the bottom in the molten fertile pond is provided with blow-off pipe,
The blow-off pipe is provided with scum cock.
8. fertigation device according to claim 1, it is characterised in that the water pump is provided with built-in power, power supply is opened
Close the outside for being placed in the water pump.
9. fertigation device according to claim 1, it is characterised in that the drip irrigation system has several drip irrigation pipes.
10. fertigation device according to claim 1, it is characterised in that the material of the annular outlet conduit is PVC
Plastic tube, PE pipes, PP pipes or stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510379077.9A CN105027791B (en) | 2015-07-02 | 2015-07-02 | A kind of fertigation device of quick dissolving fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510379077.9A CN105027791B (en) | 2015-07-02 | 2015-07-02 | A kind of fertigation device of quick dissolving fertilizer |
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| Publication Number | Publication Date |
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| CN105027791A CN105027791A (en) | 2015-11-11 |
| CN105027791B true CN105027791B (en) | 2017-08-18 |
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| CN201510379077.9A Active CN105027791B (en) | 2015-07-02 | 2015-07-02 | A kind of fertigation device of quick dissolving fertilizer |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106605485A (en) * | 2016-01-12 | 2017-05-03 | 武汉微动机器人科技有限公司 | Remote field intelligent automatic irrigation and fertilization system based on coriolis force |
| CN105794601A (en) * | 2016-05-22 | 2016-07-27 | 中山弗雷德机械有限公司 | Novel agricultural water irrigation device |
| CN107787773A (en) * | 2017-10-30 | 2018-03-13 | 务川自治县九叶青花椒有限责任公司 | A kind of breeding method of Chinese prickly ash seedling |
| CN107852935A (en) * | 2017-12-12 | 2018-03-30 | 湖北南轻法麦克斯作物营养有限公司 | A kind of water-fertilizer integral system suitable for earth surface water source |
| CN111149499A (en) * | 2020-01-08 | 2020-05-15 | 江苏农林职业技术学院 | Simple tea garden water and fertilizer management integrated device and application thereof |
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| JP3928009B1 (en) * | 2006-07-31 | 2007-06-13 | 徳島県 | Cultivation device for cultivation nutrient solution |
| CN202759790U (en) * | 2012-09-04 | 2013-03-06 | 天津市绿视野节能工程设备有限公司 | Combined device of drip irrigation system |
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| CN105027791A (en) | 2015-11-11 |
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