CN214206402U - Large-scale accurate planting liquid manure system - Google Patents
Large-scale accurate planting liquid manure system Download PDFInfo
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- CN214206402U CN214206402U CN202023080076.XU CN202023080076U CN214206402U CN 214206402 U CN214206402 U CN 214206402U CN 202023080076 U CN202023080076 U CN 202023080076U CN 214206402 U CN214206402 U CN 214206402U
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- 239000007788 liquid Substances 0.000 title claims abstract description 132
- 210000003608 fece Anatomy 0.000 title claims description 26
- 239000010871 livestock manure Substances 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 239000003337 fertilizer Substances 0.000 claims abstract description 141
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 230000001502 supplementing effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 13
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000004720 fertilization Effects 0.000 abstract description 9
- 239000000575 pesticide Substances 0.000 abstract description 8
- 239000002689 soil Substances 0.000 description 19
- 239000003621 irrigation water Substances 0.000 description 13
- 239000012224 working solution Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 235000021049 nutrient content Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- Fertilizing (AREA)
Abstract
The application relates to a large-scale accurate planting water and fertilizer system, which belongs to an agricultural planting water and fertilizer system and comprises a water source, a water and fertilizer integrated machine, a fertilizer tank, a first water pump, a second water pump and a working liquid pool; the liquid inlet end of the water and fertilizer integrated machine is communicated with a water source through a first water pump, the pesticide inlet of the water and fertilizer integrated machine is communicated with a fertilizer tank, and the liquid outlet end of the water and fertilizer integrated machine is communicated with a working liquid pool; the water and fertilizer integrated machine is used for conveying the water and fertilizer mixture into the working liquid pool through a pipeline; the liquid inlet of the working liquid pool is communicated with the water and fertilizer integrated machine and is used for caching a water and fertilizer mixture; the liquid outlet of the working liquid pool is connected with a watering pipe paved in the planting area through a second water pump. The working liquid pool caches the water and fertilizer mixture and performs auxiliary mixing, so that the water and fertilizer are mixed more uniformly, more water and fertilizer mixture can be accumulated in the working liquid pool, and larger water pressure can be generated to realize fertilization of a large-scale planting area.
Description
Technical Field
The application relates to the field of agricultural planting liquid manure systems, in particular to a large-scale accurate planting liquid manure system.
Background
At present, watering devices are arranged aiming at small planting bases, test fields of communities, gardens and the like.
The water and fertilizer integrated machine is characterized in that liquid fertilizer is configured according to the content of soil nutrients and the fertilizer requirement rule and characteristics of crops by means of a pressure system, and blended fertilizer liquid is mixed with irrigation water together and irrigated to soil by utilizing a pipeline system.
Most of the irrigation systems use the water and fertilizer integrated machine, and in the process of irrigating the soil, the water and fertilizer integrated machine can be used for supplementing the fertilizer required by the soil. However, can add liquid fertilizer in irrigation water in the use of liquid fertilizer all-in-one, the homogeneity and the mixing efficiency that liquid fertilizer and irrigation water mixed in transportation process are not very high, when required watering scope is hour, the homogeneity requirement to liquid fertilizer and irrigation water mixture is not high, but when watering scope is big, will be because the liquid fertilizer and the irrigation water of misce bene are in long-time one-way transportation process, the shared pipeline space of the little part of fertilizer concentration can crescent, the uneven situation of fertilization will appear when irrigating soil.
SUMMERY OF THE UTILITY MODEL
In order to realize the uniform watering and fertilizing of large-scale planting areas, the application provides a large-scale accurate planting water and fertilizer system.
The application provides a large-scale accurate planting liquid manure system adopts following technical scheme:
a large-scale accurate planting water and fertilizer system comprises a water source, a water and fertilizer integrated machine, a fertilizer tank, a first water pump, a second water pump and a working liquid pool;
the liquid inlet end of the water and fertilizer integrated machine is communicated with a water source through a first water pump, the pesticide inlet of the water and fertilizer integrated machine is communicated with a fertilizer tank, and the liquid outlet end of the water and fertilizer integrated machine is communicated with a working liquid pool;
the liquid inlet of the working liquid pool is communicated with the water and fertilizer integrated machine and is used for caching a water and fertilizer mixture; a liquid outlet of the working liquid pool is connected with an irrigation water pipe paved in the planting area through a second water pump;
the planting area corresponds to the working liquid pool and the second water pumps one by one.
By adopting the technical scheme, the water and fertilizer integrated machine pumps water and fertilizer into the machine body for mixing, and then conveys the mixture to the working liquid pool; the working liquid pool caches the water and fertilizer mixture and performs auxiliary mixing, so that the water and fertilizer are mixed more uniformly, more water and fertilizer mixture can be accumulated in the working liquid pool, and larger water pressure can be generated to realize fertilization of a large-scale planting area.
Optionally, the device further comprises a filtering device; the liquid inlet end of the filtering device is connected with a water source, and the liquid outlet end of the filtering device is communicated with the water and fertilizer integrated machine through a first water pump.
Through adopting above-mentioned technical scheme, filter equipment realizes the filtration to the water source, reduces the impurity in the water source for the liquid manure mixture purity after water and fertilizer mix is higher, has improved the efficiency of liquid manure mixture to soil.
Optionally, a plurality of fertilizer tanks are arranged, and liquid fertilizer is stored in the fertilizer tanks; the liquid manure all-in-one is provided with a plurality ofly equally, and every liquid manure all-in-one communicates a plurality of fertilizer and irritates.
Through adopting above-mentioned technical scheme, be provided with nitrogenous fertilizer, phosphorus fertilizer and potash fertilizer etc. in the fertilizer can jar, can be according to the demand of different soil, with the different fertilizer of water and fertilizer all-in-one extraction, realize the fertilization to soil, improved the selection degree of freedom and the scientificity that soil fertilizied.
Optionally, the working solution pool is provided with a plurality of, all is provided with the valve on the inlet liquid pipeline in every working solution pool.
Through adopting above-mentioned technical scheme, every working solution pond all connects the planting area, can control valve fertilize specific planting area, has improved the selection degree of freedom that soil fertilizied.
Optionally, the liquid inlet pipeline is communicated to the top opening of the working liquid pool; the liquid outlet end of the working liquid pool is arranged at the bottom of the working liquid pool.
Through adopting above-mentioned technical scheme, during liquid manure mixture entered into the working solution pond from the inlet liquid pipeline, the working solution pond carried out the secondary to liquid manure mixture and mixed for liquid manure mixture is more even.
Optionally, the second water pump is a variable frequency pump.
By adopting the technical scheme, the variable frequency pump can freely control the liquid discharge amount, the fertilizing amount can be selected according to the requirement of soil, and the freedom degree of selection of soil fertilization is improved.
Optionally, the water source is a water tank, tap water or an underground reservoir.
Through adopting above-mentioned technical scheme, the water source can have multiple mode to provide, and the degree of freedom is higher, can select according to planting regional field situation or relevant demand.
Optionally, the system further comprises a humidity sensor and a water replenishing controller;
a humidity sensor is arranged in the planting area and used for detecting the soil humidity of the planting area and outputting a humidity detection signal;
the water replenishing controller is connected with the water and fertilizer all-in-one machine and the humidity sensor and used for receiving a humidity detection signal, and a high humidity threshold value and a low humidity threshold value are preset in the water replenishing controller;
when the humidity value reflected by the humidity detection signal received by the water supplementing controller is larger than the high humidity threshold value, the water supplementing controller outputs a first control signal; the water and fertilizer integrated machine receives a first control signal and closes;
when the humidity value reflected by the humidity detection signal received by the water supplementing controller is smaller than the low humidity threshold value, the water supplementing controller outputs a second control signal; and the water and fertilizer all-in-one machine receives the second control signal and starts.
By adopting the technical scheme, the humidity value of the planting area can be effectively controlled, so that the humidity of the planting area is kept in a proper range, the environment of the planting area is more suitable for crop growth, and the scientificity and the adaptability of the system are improved.
In summary, the present application includes at least one of the following beneficial technical effects:
can mix liquid manure through using the liquid manure all-in-one, the liquid manure mixture after mixing enters into the working solution pond through the feed liquor pipeline, and the working solution pond has improved the secondary for the liquid manure mixture on the one hand and has mixed for the self concentration of liquid manure mixture is more even, and on the other hand for the buffer memory of buffer memory liquid manure mixture, the planting region is connected through the inverter pump to the play liquid end in working solution pond, can the effective control infusion volume, the realization is fertilizeed to the science in planting region.
Drawings
Fig. 1 is a topology diagram of an embodiment of the present application.
Fig. 2 is a structural schematic diagram of a fertilization system in an embodiment of the application.
Fig. 3 is a schematic structural diagram of a control system according to an embodiment of the present application.
Description of reference numerals: 1. a water source; 11. a filtration device; 12. a first water pump; 2. fertilizer irrigation; 3. a water and fertilizer integrated machine; 4. a working fluid pool; 5. a variable frequency pump; 6. a planting area; 61. a humidity sensor; 7. a water replenishing controller; 8. and (4) a valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a large-scale accurate planting liquid manure system. Referring to fig. 1 and 2, the large-scale accurate planting water and fertilizer system comprises a water source 1, a filtering device 11, a first water pump 12, a fertilizer tank 2, a water and fertilizer integrated machine 3, a working liquid pool 4 and a second water pump.
The water source 1 is communicated with a filtering device 11, and the filtering device 11 filters the water source 1; the filtering device 11 is communicated with the liquid inlet end of the water and fertilizer integrated machine 3 through a first water pump 12; a pesticide inlet of the water and fertilizer integrated machine 3 is communicated with the fertilizer tank 2; the liquid outlet end of the water and fertilizer integrated machine 3 is communicated with a liquid inlet of the working liquid pool 4 through a liquid inlet pipeline, and a water and fertilizer mixture is conveyed to the working liquid pool 4; a valve 8 for controlling the opening or closing of the pipeline is arranged on the liquid inlet pipeline; the 4 liquid outlets of the working liquid pool are connected with a watering pipe paved in the planting area 6 through a second water pump, so that the planting area 6 is fertilized.
The water source 1 can adopt one of a water tank, tap water and an underground reservoir, different supply modes of the water source 1 can be selected in different terrain planting areas 6 and different situations, and the water source 1 provides irrigation water for the planting areas 6. The filtering device 11 is a common filter in the market, and the water source 1 is filtered. The filter is communicated to the liquid inlet end of the water and fertilizer integrated machine 3 through a first water pump 12, and the first water pump 12 is used for conveying irrigation water at a water source to the water and fertilizer integrated machine 3.
The fertilizer tanks 2 are provided with a plurality of fertilizer tanks, and liquid fertilizers in different fertilizer tanks 2 are different according to different requirements of soil nutrients, and comprise nitrogen fertilizers, phosphate fertilizers, potassium fertilizers, compound fertilizers and the like; the fertilizer tank 2 is communicated to a pesticide inlet of the water and fertilizer integrated machine 3.
In the embodiment, the water and fertilizer all-in-one machine 3 is a plurality of water and fertilizer all-in-one machines 3 which are common in the market, and the water and fertilizer all-in-one machines 3 can be IRRI-2000 type or IRRI-1000 type; in the related technology, the water and fertilizer integrated machine 3 mixes liquid fertilizer or pesticide into fertilizer liquid or liquid medicine by means of a pressure system according to the requirements and the rules and characteristics of soil nutrient content and crop species; the fertilizer liquid or the liquid medicine is mixed with irrigation water and then is conveyed to a planting area 6 through a pipeline, so that the soil can always keep proper water content, meanwhile, different demand designs are carried out according to the characteristics of fertilizer and pesticide demand of different soils, the soil environment and nutrient content conditions and the regulation conditions of water, fertilizer and pesticide demand of different growth periods of vegetables, and the water, the nutrient and the pesticide are regularly and quantitatively provided for crops according to the proportion.
A liquid pump is arranged in the water-fertilizer all-in-one machine 3, the liquid pump pumps the fertilizer in the fertilizer barrel and mixes the fertilizer with the irrigation water pumped by the first water pump 12 to form a water-fertilizer mixture; the liquid outlet end of the liquid-fertilizer all-in-one machine 3 is connected with the working liquid pool 4 through a liquid receiving pipeline, a liquid inlet pipeline is communicated to the top opening of the working liquid pool 4, the liquid-fertilizer all-in-one machine 3 conveys a liquid-fertilizer mixture into the working liquid pool 4 through the liquid inlet pipeline, and a valve 8 is arranged on the liquid inlet pipeline and used for controlling the opening and closing of the pipeline.
The working liquid pools 4 correspond to the planting areas 6 one by one, and the working liquid pools 4 are arranged at the positions of the planting areas 6; working solution pond 4 can save a certain amount of liquid manure mixture, compares simple one-way pipeline fast transmission, and working solution pond 4 can also carry out the supplementary mixture of secondary to the liquid manure mixture, makes liquid fertile and watering more even of mixing, when carrying out extensive planting, can be so that the fertilizer concentration of planting region 6 everywhere is comparatively average, has reduced the inhomogeneous probability of 6 large tracts of land fertilizations that appear planting region.
The liquid outlet end of the working liquid pool 4 is arranged at the bottom of the working liquid pool 4 and is connected with the planting area 6 through a second water pump. The second water pump is a variable frequency pump 5, and the variable frequency pump 5 can control the water yield, namely the liquid yield of the water-fertilizer mixture, so that the degree of freedom of the controllability of the fertilization of the planting area 6 is improved.
In this embodiment, working solution pond 4 and planting area 6 all are provided with a plurality ofly, and the liquid inlet pipe says and is provided with a plurality ofly correspondingly equally, all is provided with valve 8 on every liquid inlet pipe way, through control valve 8, realizes the fertilization of watering to specific planting area 6.
Referring to fig. 2, the large-scale precision planting water and fertilizer system further includes a water supply controller 7 and a humidity sensor; the water replenishing controller 7 may be an independent controller, or may be a functional module disposed on the cloud platform.
The humidity sensor 61 is disposed in the planting area 6, and is configured to detect humidity of the planting area 6 and output a humidity detection signal. The water replenishing controller 7 is connected with the humidity sensor 61 and receives a humidity detection signal; the water replenishing controller 7 is also connected with a first water pump 12, a variable frequency pump 5 and the water and fertilizer integrated machine 3.
A low humidity threshold value and a high humidity threshold value are preset in the water supplementing controller 7, when the humidity threshold value reflected by the humidity detection signal received by the water supplementing controller 7 is greater than the high humidity threshold value, the water supplementing controller 7 outputs a first control signal, and the water and fertilizer all-in-one machine 3, the first water pump 12, the variable frequency pump 5 and the valve 8 all receive the first control signal and are closed.
When the humidity threshold value reflected by the humidity detection signal received by the water supplement controller 7 is smaller than the low humidity threshold value, the water supplement controller 7 outputs a second control signal, and the water and fertilizer all-in-one machine 3, the first water pump 12, the variable frequency pump 5 and the valve 8 are all opened after receiving the second control signal.
The soil humidity in the planting area 6 can be better controlled by matching the water supplementing controller 7 with the humidity sensor 61, so that the environment in the planting area 6 is more suitable, and the planting efficiency is improved.
In order to better illustrate the system principle of the embodiment of the present application, the following describes the operation process of the system in detail:
the first water pump 12 pumps irrigation water from the water source 1 and conveys the irrigation water into the water-fertilizer integrated machine 3, and a liquid pump in the water-fertilizer integrated machine 3 pumps fertilizer in the fertilizer tank 2 and mixes the fertilizer with the irrigation water to form a water-fertilizer mixture; the liquid manure all-in-one machine 3 conveys a liquid manure mixture to the working liquid pool 4 through a liquid inlet pipeline, and the frequency conversion pump 5 conveys the liquid manure mixture in the working liquid pool 4 to the planting area 6, so that watering and fertilizing of the planting area 6 are realized.
The humidity sensor 61 detects the humidity in the planting area 6 and outputs a humidity detection signal; the water supplementing controller 7 receives the humidity detection signal, when the humidity value reflected by the humidity detection signal is higher than the high humidity threshold value, the water supplementing controller 7 outputs a first control signal, and the water and fertilizer all-in-one machine 3 receives the first control signal and is closed; when the humidity value reflected by the humidity detection signal is lower than the low humidity threshold value, the water supplementing controller 7 outputs a second control signal, and the water and fertilizer all-in-one machine 3 receives the second control signal and closes.
The working liquid pool 4 buffers the water and fertilizer mixture and performs auxiliary mixing, so that the water and fertilizer are mixed more uniformly, more water and fertilizer mixture can be accumulated in the working liquid pool 4, and higher water pressure can be generated, so that the fertilizer can be applied to a large-scale planting area; through the cooperation of moisturizing controller 7 and liquid manure all-in-one 3, can effective control planting area 6 humidity value for planting area 6 humidity keeps in a suitable scope, makes planting area 6's environment more suitable crop growth, has improved the scientificity and the suitability of system.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. The utility model provides a large-scale accurate planting liquid manure system which characterized in that: the fertilizer production device comprises a water source (1), a water-fertilizer integrated machine (3), a fertilizer tank (2), a first water pump (12), a second water pump and a working liquid pool (4);
the liquid inlet end of the water-fertilizer integrated machine (3) is communicated with the water source (1) through a first water pump (12), the liquid inlet of the water-fertilizer integrated machine (3) is communicated with the fertilizer tank (2), and the liquid outlet end of the water-fertilizer integrated machine (3) is communicated with the working liquid pool (4);
a liquid inlet of the working liquid pool (4) is communicated with the water and fertilizer integrated machine (3) and is used for caching a water and fertilizer mixture; a liquid outlet of the working liquid pool (4) is connected with a watering pipe paved in the planting area (6) through a second water pump;
the planting areas (6) correspond to the working liquid pools (4) and the second water pumps one by one.
2. The large-scale precision planting water and fertilizer system according to claim 1, wherein: also comprises a filtering device (11); the liquid inlet end of the filtering device (11) is connected with the water source (1), and the liquid outlet end of the filtering device is communicated with the water-fertilizer all-in-one machine (3) through the first water pump (12).
3. The large-scale precision planting water and fertilizer system according to claim 1, wherein: a plurality of fertilizer tanks (2) are arranged, and liquid fertilizer is stored in the fertilizer tanks (2); the water and fertilizer integrated machines (3) are provided with a plurality of water and fertilizer integrated machines, and each water and fertilizer integrated machine (3) is communicated with a plurality of fertilizer tanks (2).
4. The large-scale precision planting water and fertilizer system according to claim 1, wherein: the working liquid pool (4) is provided with a plurality of working liquid pools, and a valve (8) is arranged on a liquid inlet pipeline of each working liquid pool (4).
5. The large-scale precision planting water and fertilizer system according to claim 4, wherein: the liquid inlet pipeline is communicated to the top opening of the working liquid pool (4); the liquid outlet end of the working liquid pool (4) is arranged at the bottom of the working liquid pool (4).
6. The large-scale precision planting water and fertilizer system according to claim 1, wherein: the second water pump is a variable frequency pump (5).
7. The large-scale precision planting water and fertilizer system according to claim 1, wherein: the water source (1) is a water tank, tap water or an underground reservoir.
8. The large-scale precision planting water and fertilizer system according to claim 1, wherein: the device also comprises a humidity sensor (61) and a water replenishing controller (7);
a humidity sensor (61) is arranged in the planting area (6), and the humidity sensor (61) is used for detecting the humidity of the planting area (6) and outputting a humidity detection signal;
the water supplementing controller (7) is connected with the water and fertilizer integrated machine (3) and the humidity sensor (61) and receives the humidity detection signal, and a high humidity threshold value and a low humidity threshold value are preset in the water supplementing controller (7);
when the humidity value reflected by the humidity detection signal received by the water supplementing controller (7) is larger than the high humidity threshold value, the water supplementing controller (7) outputs a first control signal; the water and fertilizer integrated machine (3) receives the first control signal and closes;
when the humidity value reflected by the humidity detection signal received by the water supplementing controller (7) is smaller than the low humidity threshold value, the water supplementing controller (7) outputs a second control signal; and the water and fertilizer integrated machine (3) receives the second control signal and starts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202023080076.XU CN214206402U (en) | 2020-12-18 | 2020-12-18 | Large-scale accurate planting liquid manure system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023080076.XU CN214206402U (en) | 2020-12-18 | 2020-12-18 | Large-scale accurate planting liquid manure system |
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| CN214206402U true CN214206402U (en) | 2021-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616964A (en) * | 2022-02-17 | 2022-06-14 | 河北省农林科学院农业资源环境研究所 | Intelligent water and fertilizer irrigation system and method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114616964A (en) * | 2022-02-17 | 2022-06-14 | 河北省农林科学院农业资源环境研究所 | Intelligent water and fertilizer irrigation system and method |
| CN114616964B (en) * | 2022-02-17 | 2022-12-23 | 河北省农林科学院农业资源环境研究所 | Intelligent water and fertilizer irrigation system and method |
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Granted publication date: 20210917 |