CN107646280A - A kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus and its control method - Google Patents
A kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus and its control method Download PDFInfo
- Publication number
- CN107646280A CN107646280A CN201710887778.2A CN201710887778A CN107646280A CN 107646280 A CN107646280 A CN 107646280A CN 201710887778 A CN201710887778 A CN 201710887778A CN 107646280 A CN107646280 A CN 107646280A
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- China
- Prior art keywords
- somebody
- fertilizer
- fertile
- liquid level
- fluid reservoir
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A01C23/007—Metering or regulating 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
- A01C23/042—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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The present invention relates to a kind of automatic irrigation of the invention to match somebody with somebody fertile fertilizer apparatus, including multiple fertilizer bins, with fertile tank and fluid reservoir, fertilizer producing tube is set below the fertilizer bin, fertile valve is set out on the fertilizer producing tube, meausring apparatus is set below the fertilizer producing tube, fertile tank is matched somebody with somebody in connection below the meausring apparatus, it is described to match somebody with somebody setting liquid level sensor in fertile tank, it is described to connect water inlet pipe and connecting tube with fertile tank, electromagnetic valve is set in the water inlet pipe and connecting tube, it is described to match somebody with somebody setting agitating device in fertile tank, the connecting tube lower end connects fluid reservoir, upper liquid level sensor and lower liquid level sensor are set in the fluid reservoir, solution outlet pipe is set on the fluid reservoir, electromagnetic valve is set in the solution outlet pipe.The method that the present invention changes the amount for calculating clear water by flowmeter in the prior art so that control is more accurate, and maintenance cost is lower, greatly improves the stability of concentration and uniformity of drip irrigation solution.
Description
Technical field
The present invention relates to a kind of automatic irrigation to match somebody with somebody fertile fertilizer apparatus and its control method.
Background technology
It is right in order to improve crop yield during proportion of crop planting with the development of modern agriculture drip irrigation under film
It adds fertilising and poured water turns into the inexorable trend of modern agricultural development.Planted because the plantation of most crops uses under film
Pattern, very burden is brought to additional fertilising under the film of crops for this.Under film fertilising need solid fertilizer be dissolved in irrigation water with
Irrigation water to come together to apply fertilizer, homogeneous, accurate, the stable irrigation solution that adaptation plant growth needs are prepared for this just particularly closes
Key, thus birth of a set of automatic drip-irrigation with fertile device is just particularly important.Under-film drip irrigation fertilising is mainly by drip irrigation
Device, will be accurate, uniform, stabilization required for the adaptation plant growth prepared with fertile device by the use of dripping irrigation water as carrier
Nutrient input gives plant, realizes water and fertilizer integration utilizes and management, make water and fertilizer in soil with the combination shape of optimization
State supply crop absorbs.
In general research process, the stability of concentration and uniformity control difficulties of drip irrigation solution are larger, and traditional is artificial
With fertile mode is inefficient, low precision.And facility deficiency during manual operation and empiricism can cause the profit of fertilizer
With the shortcomings of rate is low, fertilizer solution concentration lack of homogeneity, field task labor intensity are big, non real-time nature, it is impossible to meet current agriculture precisely,
The demand applied fertilizer in real time.Therefore, the comprehensive automation such as accuracy, the uniformity and stability there is an urgent need to lift solution integrates skill
Art is prepared automatically with realizing to farmland drip irrigation solution, it is ensured that provides reliable irrigation solution for peasant household.Irrigation quantity can so be made, filled
Water time, the fertilising uniformity, fertilization time all reach necessarily accurately degree, there is water and fertilizer synchronization concentrated supply once to invest more
The characteristics of year is benefited, so as to reach the purpose for improving water and fertilizer utilization, it instead of and crops are caused during artificially applying fertilizer
Unnecessary harm so that the yield of crops gets a promotion.
The content of the invention
The problem to be solved in the present invention is to provide a kind of automatic irrigation and matches somebody with somebody fertile fertilizer apparatus and its control method, can be accurate
Control the concentration ratio of each component in liquid fertilizer.
In order to solve the above technical problems, the automatic irrigation of the present invention matches somebody with somebody fertile fertilizer apparatus, including multiple fertilizer bins, with fertile tank
And fluid reservoir, the fertilizer bin lower section set fertilizer producing tube, and fertile valve is set out on the fertilizer producing tube, is set below the fertilizer producing tube
Meausring apparatus, the meausring apparatus lower section, which connects, matches somebody with somebody fertile tank, described with setting liquid level sensor in fertile tank, described to match somebody with somebody the connection of fertile tank
Water inlet pipe and connecting tube, set electromagnetic valve on the water inlet pipe and connecting tube, described with setting agitating device in fertile tank, described
Connecting tube lower end connects fluid reservoir, is set in the fluid reservoir and goes up liquid level sensor and lower liquid level sensor, on the fluid reservoir
Solution outlet pipe is set, electromagnetic valve is set in the solution outlet pipe, it is described go out fertile valve, meausring apparatus, liquid level sensor, upper liquid
Level sensor, lower liquid level sensor connect control device with electromagnetic valve.
The wheel that stirs of longitudinal direction is set in the fertilizer producing tube, the wheel that stirs is strung by drive shaft, the driving axis connection motor,
The motor connection control device.
The meausring apparatus is belt scale.
Mixing arrangement is set below the meausring apparatus, and fertile tank is matched somebody with somebody in the mixing arrangement connection.
Filter is set in the connecting tube.
The invention further relates to a kind of method automatic irrigation to match somebody with somebody fertilizer fertilising control method, comprises the following steps,
Control the fertile valve that goes out on each different types of fertilizer bin to open, drive motor and stir wheel rotation, by fertilizer bin
Each different types of fertilizer drain on meausring apparatus, close out fertile valve when the amount for reaching the fertilizer set in advance
Door；
After the fertilizer of certain component is weighed, the matching somebody with somebody in fertile tank of sky is poured into, continues to open on next kind of fertilizer fertilizer bin and goes out fertile valve
Door, continues next kind of fertilizer of weighing, and pour into fertile tank；
The injected clear water in fertile tank of the electromagnetic valve on water inlet pipe is opened, the water level in fertile tank reaches liquid set in advance
During position, electromagnetic valve is closed, the water for making to match somebody with somebody in fertile tank reaches volume set in advance；
The agitating device stirring certain time matched somebody with somebody in fertile tank is opened, then opens the electromagnetic valve in connecting tube, makes to match somebody with somebody in fertile tank
The liquid fertilizer prepared fully enters fluid reservoir；
Closing electromagnetic valve repetition is above-mentioned to match somebody with somebody fertile step, until the liquid level in fluid reservoir reaches the liquid level upper limit set in advance；
When the liquid fertilizer liquid level in fluid reservoir is reduced to liquid level lower limit set in advance, continuation is above-mentioned to match somebody with somebody fertile step, until reaching
The liquid level upper limit.
The solid fertilizer of each component enters mixing arrangement after being weighed, when the solid fertilizer of all components is all matched somebody with somebody
After complete, mixing arrangement is opened, the fertilizer of each component is stirred.
The automatic irrigation of the present invention with fertile fertilizer apparatus by preparing liquid fertilizer in advance in fertile tank, with the water in fertile tank and
The amount of solid fertilizer can be controlled accurately, and concentration can be very accurate, and the liquid fertilizer of the certain volume prepared is imported into fluid reservoir,
Continue after being emptied with fertile tank with fertilizer.The method that such device changes the amount for calculating clear water by flowmeter in the prior art,
So that control is more accurate, maintenance cost is lower, greatly improves the stability of concentration and uniformity of drip irrigation solution.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation with fertile tank 2.
Reference：Fertilizer bin 1, with fertile tank 2, fluid reservoir 3, fertilizer producing tube 4, go out fertile valve 5, meausring apparatus 6, stir wheel 7, drive
Moving axis 8, motor 9, liquid level sensor 10, water inlet pipe 11, connecting tube 12, electromagnetic valve 13, stirring motor 14, stirring vane 15,
Upper liquid level sensor 16, lower liquid level sensor 17, solution outlet pipe 18, control device 20, mixing arrangement 21, filter 22.
Embodiment
As depicted in figs. 1 and 2, automatic irrigation of the invention matches somebody with somebody fertile fertilizer apparatus, including multiple fertilizer bins 1, with the fertile and of tank 2
Fluid reservoir 3, different solid fertilizers is equipped with each fertilizer bin 1, and the lower section of fertilizer bin 1 sets fertilizer producing tube 4, set in fertilizer producing tube 4
Wheel 7 is stirred in longitudinal direction, stirs wheel 7 and is strung by drive shaft 8, and drive shaft 8 connects motor 9, sets out fertile valve 5 on fertilizer producing tube 4, goes out fertilizer
The lower section of pipe 4 sets meausring apparatus 6, and meausring apparatus can be belt scale, and fertile tank 2 is matched somebody with somebody in the connection of the lower section of meausring apparatus 6, with fertile tank
Liquid level sensor 10 is set in 2, water inlet pipe 11 and connecting tube 12 is connected with fertile tank 2, filter 22 is set in connecting tube 12, entered
Electromagnetic valve 13 is set on water pipe 11 and connecting tube 12, and with agitating device is set in fertile tank 2, agitating device includes being arranged on fertilizer
The stirring motor 14 and stirring vane 15 in the outside of tank 2, the lower end of connecting tube 12 connection fluid reservoir 3, fluid reservoir 3 is interior to set upper liquid level to pass
Sensor 16 and lower liquid level sensor 17, solution outlet pipe 18 is set on fluid reservoir 3, electromagnetic valve 13 is set in solution outlet pipe 18, gone out
Fertile valve 5, motor 9, meausring apparatus 6, liquid level sensor 10, upper liquid level sensor 16, lower liquid level sensor 17 and electromagnetic valve
13 connection control devices 20.
The lower section of meausring apparatus 6 can also set mixing arrangement 21, and fertile tank 2 is matched somebody with somebody in the connection of mixing arrangement 21.Each component is consolidated
Body fertilizer enters mixing arrangement 21 after being weighed, and after the solid fertilizer of all components has all been matched somebody with somebody, opens mixing arrangement 21, will
The fertilizer of each component is stirred.
The invention further relates to a kind of method automatic irrigation to match somebody with somebody fertilizer fertilising control method, comprises the following steps,
Control the fertile valve that goes out on each different types of fertilizer bin to open, drive motor and stir wheel rotation, by fertilizer bin
Each different types of fertilizer drain on meausring apparatus, close out fertile valve when the amount for reaching the fertilizer set in advance
Door；
After the fertilizer of certain component is weighed, the matching somebody with somebody in fertile tank of sky is poured into, continues to open on next kind of fertilizer fertilizer bin and goes out fertile valve
Door, continues next kind of fertilizer of weighing, and pour into fertile tank；
The injected clear water in fertile tank of the electromagnetic valve on water inlet pipe is opened, the water level in fertile tank reaches liquid set in advance
During position, electromagnetic valve is closed, the water for making to match somebody with somebody in fertile tank reaches volume set in advance；
The agitating device stirring certain time matched somebody with somebody in fertile tank is opened, then opens the electromagnetic valve in connecting tube, makes to match somebody with somebody in fertile tank
The liquid fertilizer prepared fully enters fluid reservoir；
Closing electromagnetic valve repetition is above-mentioned to match somebody with somebody fertile step, until the liquid level in fluid reservoir reaches the liquid level upper limit set in advance；
When the liquid fertilizer liquid level in fluid reservoir is reduced to liquid level lower limit set in advance, continuation is above-mentioned to match somebody with somebody fertile step, until reaching
The liquid level upper limit.
The solid fertilizer of each component enters mixing arrangement after being weighed, when the solid fertilizer of all components has all been matched somebody with somebody
Afterwards, mixing arrangement is opened, the fertilizer of each component is stirred.
Multiple fertilizer bins 1 are disposed over by the automatic irrigation of the present invention with fertile fertilizer apparatus, the liquid fertilizer in fluid reservoir 3
Liquid level when being less than setting value, open out fertile valve 5 successively, while open motor 9, drive is stirred wheel 7 and rotated, and leaks solid fertilizer
Onto weighing device 6, according to ratio requirement, according to the volume of the middle water inlet with fertile tank, the weight of the fertilizer of each component is calculated
Amount, reaches ratio requirement until draining to the weight of fertilizer on weighing device 6, closes out fertile valve 5, by the fertilizer on weighing device
Mixing arrangement 21 is imported, when all components are all assorted, opening mixing arrangement mixes.Then fertilizer is imported and matches somebody with somebody fertile tank 2.Open into
Water pipe 11, the injected clear water in fertile tank 2, when the water level in fertile tank 2 reaches liquid level set in advance, close electromagnetic valve
13, the water for making to match somebody with somebody in fertile tank 2 reaches volume set in advance；So can be accurate with the water in fertile tank and the amount of solid fertilizer
Control, concentration can be very accurate.Say that the liquid fertilizer of the certain volume prepared imports fluid reservoir 3, continue after being emptied with fertile tank 2 above-mentioned
Step, stop after fluid reservoir 3 is filled with fertilizer.After the liquid fertilizer in fluid reservoir 3 using certain liquid is reached for a period of time, opening
Open fertilizer-matching process.Such method for changing the amount for calculating clear water by flowmeter in the prior art so that control is more smart
Really, more stable, maintenance cost is lower.
Claims (7)
1. a kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus, it is characterised in that：Including multiple fertilizer bins, with fertile tank and fluid reservoir, it is described
Fertilizer producing tube is set below fertilizer bin, fertile valve is set out on the fertilizer producing tube, meausring apparatus is set below the fertilizer producing tube, it is described
Fertile tank is matched somebody with somebody in connection below meausring apparatus, described with setting liquid level sensor in fertile tank, described with fertile tank connection water inlet pipe and connection
Manage, electromagnetic valve is set on the water inlet pipe and connecting tube, and described with agitating device is set in fertile tank, the connecting tube lower end connects
Fluid reservoir is connect, upper liquid level sensor and lower liquid level sensor are set in the fluid reservoir, solution outlet pipe is set on the fluid reservoir,
Electromagnetic valve is set in the solution outlet pipe, it is described go out fertile valve, meausring apparatus, liquid level sensor, upper liquid level sensor, lower liquid
Level sensor connects control device with electromagnetic valve.
2. match somebody with somebody fertile fertilizer apparatus according to the automatic irrigation described in claim 1, it is characterised in that：Longitudinal direction is set in the fertilizer producing tube
Stir wheel, the wheel that stirs is strung by drive shaft, the driving axis connection motor, the motor connection control device.
3. match somebody with somebody fertile fertilizer apparatus according to the automatic irrigation described in claim 2, it is characterised in that：The meausring apparatus is belt electricity
Sub- scale.
4. match somebody with somebody fertile fertilizer apparatus according to the automatic irrigation described in claim 2, it is characterised in that：Set below the meausring apparatus
Fertile tank is matched somebody with somebody in mixing arrangement, the mixing arrangement connection.
5. the automatic irrigation stated according to claim 4 matches somebody with somebody fertile fertilizer apparatus, it is characterised in that：Filtering dress is set in the connecting tube
Put.
6. a kind of method automatic irrigation is with fertilizer fertilising control method, it is characterised in that：Comprise the following steps,
Control the fertile valve that goes out on each different types of fertilizer bin to open, drive motor and stir wheel rotation, by fertilizer bin
Each different types of fertilizer drain on meausring apparatus, close out fertile valve when the amount for reaching the fertilizer set in advance
Door；
After the fertilizer of certain component is weighed, the matching somebody with somebody in fertile tank of sky is poured into, continues to open on next kind of fertilizer fertilizer bin and goes out fertile valve
Door, continues next kind of fertilizer of weighing, and pour into fertile tank；
The injected clear water in fertile tank of the electromagnetic valve on water inlet pipe is opened, the water level in fertile tank reaches liquid set in advance
During position, electromagnetic valve is closed, the water for making to match somebody with somebody in fertile tank reaches volume set in advance；
The agitating device stirring certain time matched somebody with somebody in fertile tank is opened, then opens the electromagnetic valve in connecting tube, makes to match somebody with somebody in fertile tank
The liquid fertilizer prepared fully enters fluid reservoir；
Closing electromagnetic valve repetition is above-mentioned to match somebody with somebody fertile step, until the liquid level in fluid reservoir reaches the liquid level upper limit set in advance；
When the liquid fertilizer liquid level in fluid reservoir is reduced to liquid level lower limit set in advance, continuation is above-mentioned to match somebody with somebody fertile step, until reaching
The liquid level upper limit.
7. automatic irrigation is with fertilizer fertilising control method in accordance with the method for claim 6, it is characterised in that：Each component is consolidated
Body fertilizer enters mixing arrangement after being weighed, and after the solid fertilizer of all components has all been matched somebody with somebody, opens mixing arrangement, will be each
The fertilizer of component is stirred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887778.2A CN107646280A (en) | 2017-09-27 | 2017-09-27 | A kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887778.2A CN107646280A (en) | 2017-09-27 | 2017-09-27 | A kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN107646280A true CN107646280A (en) | 2018-02-02 |
Family
ID=61116784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710887778.2A Pending CN107646280A (en) | 2017-09-27 | 2017-09-27 | A kind of automatic irrigation matches somebody with somebody fertile fertilizer apparatus and its control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064530A (en) * | 2018-02-24 | 2018-05-25 | 云南省农业科学院园艺作物研究所 | It is a kind of automatically to match somebody with somebody fertile system |
| CN108142061A (en) * | 2018-02-24 | 2018-06-12 | 云南省农业科学院园艺作物研究所 | One kind is with fertile system |
| CN108383575A (en) * | 2018-02-26 | 2018-08-10 | 深圳春沐源控股有限公司 | A kind of preparation method and device of nutrient solution |
| CN108905659A (en) * | 2018-06-26 | 2018-11-30 | 合肥赑歌数据科技有限公司 | Farmland site intelligent precisely matches fertile system |
| CN109089654A (en) * | 2018-08-28 | 2018-12-28 | 南京鼎态丰农业科技有限公司 | Balcony greenhouse intelligent control method, greenhouse control terminal and intelligent mobile terminal |
| CN110245853A (en) * | 2019-06-05 | 2019-09-17 | 北京农业智能装备技术研究中心 | Decision-making technique and device are applied in moisture filling synchronous with nitrogenous fertilizer |
| CN111357459A (en) * | 2020-04-01 | 2020-07-03 | 山东胜伟盐碱地科技有限公司 | Fertigation integrated device |
| CN111543163A (en) * | 2020-06-08 | 2020-08-18 | 深圳信息职业技术学院 | Accurate regulation and control device of liquid manure |
| CN113181991A (en) * | 2021-04-29 | 2021-07-30 | 重庆渝粒乡米业有限公司 | Rice processing technology |
| CN113207402A (en) * | 2021-05-31 | 2021-08-06 | 贵州省茶叶研究所 | Mountain tea garden fertilization irrigation system |
| CN118266314A (en) * | 2024-06-01 | 2024-07-02 | 安徽农业大学 | Liquid fertilizer precision quantitative proportioning irrigation and fertilization equipment |
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| CN204616360U (en) * | 2015-05-14 | 2015-09-09 | 石河子大学 | A kind of radio remote manipulation essence amount joins fertile device automatically |
| CN106416570A (en) * | 2016-05-24 | 2017-02-22 | 中国农业科学院农田灌溉研究所 | Light and small semi-automatic drip irrigation differential-pressure fertilization vehicle and fertilization method thereof |
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2017
- 2017-09-27 CN CN201710887778.2A patent/CN107646280A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204616360U (en) * | 2015-05-14 | 2015-09-09 | 石河子大学 | A kind of radio remote manipulation essence amount joins fertile device automatically |
| CN106416570A (en) * | 2016-05-24 | 2017-02-22 | 中国农业科学院农田灌溉研究所 | Light and small semi-automatic drip irrigation differential-pressure fertilization vehicle and fertilization method thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108064530B (en) * | 2018-02-24 | 2024-01-02 | 云南省农业科学院园艺作物研究所 | Full-automatic fertilizer preparation system |
| CN108142061A (en) * | 2018-02-24 | 2018-06-12 | 云南省农业科学院园艺作物研究所 | One kind is with fertile system |
| CN108064530A (en) * | 2018-02-24 | 2018-05-25 | 云南省农业科学院园艺作物研究所 | It is a kind of automatically to match somebody with somebody fertile system |
| CN108142061B (en) * | 2018-02-24 | 2024-01-30 | 云南省农业科学院园艺作物研究所 | Fertilizer distribution system |
| CN108383575A (en) * | 2018-02-26 | 2018-08-10 | 深圳春沐源控股有限公司 | A kind of preparation method and device of nutrient solution |
| CN108905659A (en) * | 2018-06-26 | 2018-11-30 | 合肥赑歌数据科技有限公司 | Farmland site intelligent precisely matches fertile system |
| CN109089654A (en) * | 2018-08-28 | 2018-12-28 | 南京鼎态丰农业科技有限公司 | Balcony greenhouse intelligent control method, greenhouse control terminal and intelligent mobile terminal |
| CN110245853A (en) * | 2019-06-05 | 2019-09-17 | 北京农业智能装备技术研究中心 | Decision-making technique and device are applied in moisture filling synchronous with nitrogenous fertilizer |
| CN111357459A (en) * | 2020-04-01 | 2020-07-03 | 山东胜伟盐碱地科技有限公司 | Fertigation integrated device |
| CN111543163A (en) * | 2020-06-08 | 2020-08-18 | 深圳信息职业技术学院 | Accurate regulation and control device of liquid manure |
| CN113181991A (en) * | 2021-04-29 | 2021-07-30 | 重庆渝粒乡米业有限公司 | Rice processing technology |
| CN113207402A (en) * | 2021-05-31 | 2021-08-06 | 贵州省茶叶研究所 | Mountain tea garden fertilization irrigation system |
| CN118266314A (en) * | 2024-06-01 | 2024-07-02 | 安徽农业大学 | Liquid fertilizer precision quantitative proportioning irrigation and fertilization equipment |
| CN118266314B (en) * | 2024-06-01 | 2024-08-20 | 安徽农业大学 | Liquid fertilizer precision quantitative proportioning irrigation and fertilization equipment |
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