CN110651693A - Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage - Google Patents
Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage Download PDFInfo
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- CN110651693A CN110651693A CN201911063285.2A CN201911063285A CN110651693A CN 110651693 A CN110651693 A CN 110651693A CN 201911063285 A CN201911063285 A CN 201911063285A CN 110651693 A CN110651693 A CN 110651693A
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- 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
- A01G25/16—Control of watering
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- 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
-
- 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
- A01G25/16—Control of watering
- A01G25/165—Cyclic operations, timing systems, timing valves, impulse operations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention relates to the technical field of rice planting, and discloses a regular and quantitative irrigation and drainage system for rice planting. This rice planting of regular ration irrigation and drainage is with irritating drainage system, through setting up first water pump, the second water pump, first level sensor, first singlechip and timer, because the design of timer, thereby make the detection time clearance that the plant owner can adjust the paddy field water level, and because first level sensor's design, thereby can detect the water level of paddy field inside, if the water level of paddy field inside surpasss the position that first level sensor located, first water pump operation will be controlled to first controller, with the inside water source suction to the water source case in paddy field inside, if the water level of paddy field inside is less than the position that first level sensor located, the operation of second water pump will be controlled to first controller this moment.
Description
Technical Field
The invention relates to the technical field of rice planting, in particular to a regular and quantitative irrigation and drainage system for rice planting.
Background
At present, plant the family when planting the rice, every rainy season or dry season, often need carry out the drainage or irrigate to the paddy field inside, and in usual, also need monitor the water level of paddy field inside, thereby avoid the water source of paddy field inside to appear too much or too little the condition, however this kind of manual work is to the monitoring mode of paddy field water level, the intensity of labour who plants the family has not only been increased, and the monitoring of water level is relatively poor with the effect of adjustment, can't guarantee the normal development of rice, consequently, need improve it.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the irrigation and drainage system for rice planting, which has the advantages of regular and quantitative irrigation and drainage of water sources and automatic control, and solves the problems that when a planting house plants rice, the interior of a rice field needs to be drained or irrigated frequently in rainy seasons or dry seasons, and the water level in the rice field needs to be monitored in ordinary times, so that the situation that too much or too little water sources exist in the rice field is avoided.
The invention provides the following technical scheme: the irrigation and drainage system for rice planting comprises the ground, a rice field is arranged at the top of the ground, a water source box positioned on the left side of the rice field is fixedly installed inside the top end of the ground, a bottom block is fixedly installed at the top of the water source box, a first control box is fixedly installed at the top of the bottom block, a first water pump is fixedly installed on the right side of an inner cavity of the water source box, a second water pump is fixedly installed on the left side of the inner cavity of the water source box, second water level sensors positioned below the first water pump and the second water pump are fixedly installed on two sides of the inner cavity of the water source box, first water level sensors are fixedly installed on two sides of the inner cavity of the rice field, a first water pumping pipe is fixedly communicated with the top of the first water pump, the other end of the first water pumping pipe sequentially penetrates through the water source box and the ground and extends into the rice field, and a first water drainage pipe is fixedly, the fixed intercommunication in front of second water pump has the second drinking-water pipe, the fixed intercommunication in top of second water pump has the conveyer pipe, the top of conveyer pipe runs through the water supply case and extends to the top of water supply case and fixed intercommunication has the connecting pipe, the fixed intercommunication of right-hand member of connecting pipe has first solenoid valve, the fixed intercommunication of right-hand member of first solenoid valve has the second drain pipe, the other end of second drain pipe runs through the bottom block and extends to the right side of bottom block and is located the inside in paddy field, the equal fixed mounting in one end of second drain pipe and first drinking-water pipe has the filter screen that is located the inside in paddy field.
Preferably, the left end of the connecting pipe is fixedly communicated with a second electromagnetic valve, and the left side of the second electromagnetic valve is fixedly communicated with an external discharge pipe.
Preferably, the inside fixed mounting on ground top has the reserve tank that is located the paddy field right side, the top fixed mounting on ground has the base that is located the reserve tank right side, the top fixed mounting of base has the second control box.
Preferably, a first single chip microcomputer is fixedly mounted inside the first control box, and a timer located on the right side of the first single chip microcomputer is fixedly mounted inside the first control box.
Preferably, the first controller below the first single chip microcomputer is fixedly installed in the first control box, and the wireless signal transmitter below the first controller and the timer is fixedly installed in the first control box.
Preferably, the inside fixed mounting of second control box has the second singlechip, the inside fixed mounting of second control box has the second controller that is located the second singlechip right side, the inside fixed mounting of second control box has the wireless signal receiver that is located the second singlechip below.
Preferably, the middle part fixed mounting on stand-by water tank top has the third water pump, the fixed intercommunication in front of third water pump has the third drinking-water pipe, the bottom of third drinking-water pipe runs through stand-by water tank and extends to stand-by water tank's inside, stand-by water tank's top fixed mounting has the fixed block that is located the third water pump left, the fixed intercommunication in left side of third water pump has the third drain pipe, the other end of third drain pipe runs through the fixed block and extends to the left side of fixed block and is located the inside in paddy field.
Preferably, the top of reserve tank is fixed the intercommunication has the mouth of adding the water that is located the third water pump right side, the outer surface activity that adds the mouth of a river has cup jointed the top cover.
Compared with the prior art, the invention has the following beneficial effects:
1. the irrigation and drainage system for rice planting capable of realizing regular quantitative irrigation and drainage is characterized in that a first water pump, a second water pump, a first water level sensor, a first single chip microcomputer and a timer are arranged, due to the design of the timer, a grower can adjust the detection time gap of the water level of a rice field, due to the design of the first water level sensor, the water level in the rice field can be detected and signals are transmitted to the first single chip microcomputer, if the water level in the rice field exceeds the position of the first water level sensor, the first single chip microcomputer sends signals to a first controller, the first controller controls the first water pump to operate, a water source in the rice field is pumped into a water source box, if the water level in the rice field is lower than the position of the first water level sensor, the first controller controls the second water pump to operate, and the water source in the rice field is pumped into the water source box, therefore, the regular and quantitative water source control is realized, and meanwhile, the labor intensity of growers can be reduced due to the automatic design.
2. This rice planting of regular ration irrigation and drainage is with irritating drainage system, through setting up the second solenoid valve, outer calandria and second level sensor, because second level sensor's design, will detect the water level of water source incasement portion, if the water level of water source incasement portion surpasss the position that second level sensor locates, first controller will control the second solenoid valve and open and first solenoid valve closes this moment, and start the second water pump, and then discharge the water source of water source incasement portion to the external world through outer calandria, thereby realized the control to the water source incasement portion water level, the phenomenon that exceeds standard has taken place to the water level of water source incasement portion has been avoided.
3. This rice planting of regular ration irrigation and drainage is with irritating drainage system, through setting up wireless signal transmitter, wireless signal receiver and third water pump, if the water source of water source incasement portion can't supply the position to first level sensor place with the inside water level in paddy field, wireless signal transmitter will signals for wireless signal receiver this moment, and wireless signal receiver will signals for the second singlechip, and the second singlechip will be with signal transmission to the second controller in, and the second controller will control the operation of third water pump, and then extract the inside reserve water source of reserve tank, discharge its inside to the paddy field, thereby the sufficient of the inside water source in paddy field has been guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the first control box according to the present invention;
FIG. 4 is a schematic view of the internal structure of a second control box according to the present invention;
FIG. 5 is a schematic view of the connection structure of the top end of the delivery tube of the present invention;
FIG. 6 is a schematic top view of the refill tank of the present invention.
In the figure: 1. a ground surface; 2. a rice field; 3. a water source tank; 4. a first control box; 5. a first water pump; 6. a second water pump; 7. a first water level sensor; 8. a first pumping pipe; 9. a first drain pipe; 10. a second pumping pipe; 11. a delivery pipe; 12. a connecting pipe; 13. a first solenoid valve; 14. a second drain pipe; 15. a second solenoid valve; 16. an outer discharge pipe; 17. a standby water tank; 18. a base; 19. a second control box; 20. a bottom block; 21. filtering with a screen; 22. a second water level sensor; 23. a first single chip microcomputer; 24. a timer; 25. a first controller; 26. a wireless signal transmitter; 27. a wireless signal receiver; 28. a second single chip microcomputer; 29. a second controller; 30. a third water pump; 31. a fixed block; 32. a third pumping pipe; 33. a third drain pipe; 34. a water adding port; 35. and (6) jacking and sleeving.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1-6, a regular and quantitative irrigation and drainage system for rice planting comprises a ground 1, a rice field 2 is arranged on the top of the ground 1, a spare water tank 17 positioned on the right side of the rice field 2 is fixedly installed inside the top of the ground 1, a water filling port 34 positioned on the right side of a third water pump 30 is fixedly communicated with the top of the spare water tank 17, a top sleeve 35 is movably sleeved on the outer surface of the water filling port 34, a third water pump 30 is fixedly installed in the middle of the top of the spare water tank 17, a third water pumping pipe 32 is fixedly communicated with the front of the third water pump 30, the bottom end of the third water pumping pipe 32 penetrates through the spare water tank 17 and extends into the spare water tank 17, a fixed block 31 positioned on the left side of the third water pump 30 is fixedly installed on the top of the spare water tank 17, a third water drainage pipe 33 is fixedly communicated with the left side of the third water pump 30, the other end of, the top of the ground 1 is fixedly provided with a base 18 positioned at the right side of the spare water tank 17, the top of the base 18 is fixedly provided with a second control box 19, the inside of the second control box 19 is fixedly provided with a second single chip microcomputer 28, the output end of the second single chip microcomputer 28 is electrically connected with the input end of a second controller 29 through a lead, the output end of the second controller 29 is electrically connected with the input end of a third water pump 30 through a lead, the inside of the second control box 19 is fixedly provided with a second controller 29 positioned at the right side of the second single chip microcomputer 28, the inside of the second control box 19 is fixedly provided with a wireless signal receiver 27 positioned below the second single chip microcomputer 28, the wireless signal receiver 27 is an existing device, the type of the wireless signal receiver 27 is suitable for DR-200R series, and the output end of the wireless signal receiver 27 is electrically connected with the input end, the water source box 3 positioned on the left side of the rice field 2 is fixedly installed inside the top end of the ground 1, the bottom block 20 is fixedly installed on the top of the water source box 3, the first control box 4 is fixedly installed on the top of the bottom block 20, the first controller 25 positioned below the first single chip microcomputer 23 is fixedly installed inside the first control box 4, the first controller 25 and the second controller 29 are both existing devices, the types of the timer 24 and the second controller 29 are both applicable to SR2-B201BD series, the output end of the first controller 25 is electrically connected with the input ends of the first water pump 5, the second water pump 6, the first electromagnetic valve 13 and the second electromagnetic valve 15 through leads respectively, the wireless signal emitter 26 positioned on the right side of the first controller 25 and below the timer 24 is fixedly installed inside the first control box 4, the wireless signal emitter 26 is an existing device, and the type of the wireless signal emitter 26 is applicable to N51 5171B series, a first single chip microcomputer 23 is fixedly installed inside the first control box 4, the first single chip microcomputer 23 and the second single chip microcomputer 28 are both existing devices, the models of the first single chip microcomputer 23 and the second single chip microcomputer 28 are both applicable to an MSP430 series, the output end of the first single chip microcomputer 23 is electrically connected with the first controller 25 and the input end of the wireless signal transmitter 26 through leads respectively, a timer 24 positioned on the right side of the first single chip microcomputer 23 is fixedly installed inside the first control box 4, the timer 24 is an existing device, the model of the timer 24 is applicable to an XJ1005A series, a first water pump 5 is fixedly installed on the right side of the inner cavity of the water source box 3, the first water pump 5, the second water pump 6 and the third water pump 30 are all existing devices, the models of the first water pump 5, the second water pump 6 and the third water pump 30 are all applicable to an OSM-DN40 series, a second water pump 6 is fixedly installed on the left side of the inner, the two sides of the inner cavity of the water source box 3 are fixedly provided with second water level sensors 22 positioned below the first water pump 5 and the second water pump 6, the two sides of the inner cavity of the paddy field 2 are fixedly provided with first water level sensors 7, the first water level sensors 7 and the second water level sensors 22 are both conventional devices, the types of the first water level sensors 7 and the second water level sensors 22 are both suitable for WL705-003 series, the output ends of the first water level sensors 7 and the second water level sensors 22 are respectively and electrically connected with the input end of the first singlechip 23 through leads, the top of the first water pump 5 is fixedly communicated with a first water pumping pipe 8, the other end of the first water pumping pipe 8 sequentially penetrates through the water source box 3 and the ground 1 and extends to the inside of the paddy field 2, the front of the first water pump 5 is fixedly communicated with a first water drainage pipe 9, the front of the second water pump 6 is fixedly communicated with a second water pumping pipe 10, the top of the second water pump 6 is, the top of conveyer pipe 11 runs through water source case 3 and extends to the top of water source case 3 and fixed intercommunication has connecting pipe 12, the fixed intercommunication of left end of connecting pipe 12 has second solenoid valve 15, the fixed intercommunication in left side of second solenoid valve 15 has outer calandria 16, the fixed intercommunication of right-hand member of connecting pipe 12 has first solenoid valve 13, first solenoid valve 13 and second solenoid valve 15 are current device, and the model of first solenoid valve 13 and second solenoid valve 15 is applicable to LD512.5 series, the fixed intercommunication of right-hand member of first solenoid valve 13 has second drain pipe 14, the other end of second drain pipe 14 runs through bottom block 20 and extends to the right side of bottom block 20 and is located the inside of paddy field 2, the equal fixed mounting of one end of second drain pipe 14 and first drinking-water pipe 8 has the filter screen 21 that is located the inside of paddy field 2.
When the water source control system works, a grower sets the starting time of the system through the timer 24, when the system is started, the operation of the first water level sensor 7 can detect the water level in the rice field 2, if the water source exceeds the position of the first water level sensor 7, the first water level sensor 7 can send a signal to the first single chip microcomputer 23, the first single chip microcomputer 23 can send a signal to the first controller 25, the first controller 25 can control the first water pump 5 to operate, the water source in the rice field 2 is extracted through the first water pumping pipe 8 and is conveyed to the interior of the water source box 3 through the first water drainage pipe 9, if the water source is lower than the position of the first water level sensor 7, the first controller 25 can control the second electromagnetic valve 15 to close and open the first electromagnetic valve 13, and the second water pump 6 is started to extract the water source in the water source box 3 through the second water pumping pipe 10, and the water is sequentially conveyed into the connecting pipe 12 and the second water discharge pipe 14 through the conveying pipe 11 and finally flows into the rice field 2, so that the water source in the rice field is supplemented, if the water source in the water source box 3 is continuously increased due to the operation of the first water pump 5 in rainy season, the water level in the water source box 3 is detected by the operation of the second water level sensor 22 at the moment, if the water source exceeds the position of the second water level sensor 22, the second water level sensor 22 sends a signal to the first single chip microcomputer 23, the first single chip microcomputer 23 sends a signal to the first controller 25, the first controller 25 controls the second water pump 6 to operate, the second electromagnetic valve 15 is opened to close the first electromagnetic valve 13, the water source in the water source box 3 is pumped by the operation of the second water pump 6 through the second water suction pipe 10 and is discharged from the outer discharge pipe 16 through the conveying pipe 11 and the connecting pipe 12 in sequence, therefore, the situation that the water level inside the water source box 3 exceeds the standard is avoided, if in continuous drought, when no water source or little water source exists inside the water source box 3 at the moment, the first single chip microcomputer 23 sends a signal to the wireless signal transmitter 26, the wireless signal transmitter 26 transmits the signal to the wireless signal receiver 27 through wireless transmission, the wireless signal receiver 27 transmits the signal to the second single chip microcomputer 28, the second single chip microcomputer 28 sends a signal to the second controller 29 at the moment, the second controller 29 controls the third water pump 30 to operate, the third water pump 30 operates to pump the standby water source inside the standby water tank 17 through the third water pumping pipe 32, and the standby water source is conveyed to the inside of the rice field 2 through the third water discharging pipe 33, and the healthy growth of rice is effectively guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Regularly irrigate rice planting of arranging with irritating drainage system in ration, including ground (1), its characterized in that: the top of ground (1) is equipped with paddy field (2), the inside fixed mounting on ground (1) top has and is located left water supply box (3) in paddy field (2), the top fixed mounting of water supply box (3) has bottom block (20), the top fixed mounting of bottom block (20) has first control box (4), the right side fixed mounting of water supply box (3) inner chamber has first water pump (5), the left side fixed mounting of water supply box (3) inner chamber has second water pump (6), the equal fixed mounting in both sides of water supply box (3) inner chamber has second water level sensor (22) that are located first water pump (5) and second water pump (6) below, the equal fixed mounting in both sides of paddy field (2) inner chamber has first water level sensor (7), the top fixed intercommunication of first water pump (5) has first drinking-water pipe (8), the other end of first drinking-water pipe (8) runs through water supply box (3) and ground (1) in proper order and extends to paddy field (1) A first drainage pipe (9) is fixedly communicated with the front surface of the first water pump (5) in the rice field (2), a second water pumping pipe (10) is fixedly communicated with the front surface of the second water pump (6), a delivery pipe (11) is fixedly communicated with the top of the second water pump (6), the top end of the conveying pipe (11) penetrates through the water source box (3) and extends to the upper part of the water source box (3) and is fixedly communicated with a connecting pipe (12), the right end of the connecting pipe (12) is fixedly communicated with a first electromagnetic valve (13), the right end of the first electromagnetic valve (13) is fixedly communicated with a second water discharge pipe (14), the other end of the second drain pipe (14) penetrates through the bottom block (20) and extends to the right side of the bottom block (20) and is positioned in the rice field (2), the equal fixed mounting of one end of second drain pipe (14) and first drinking-water pipe (8) has filter screen (21) that are located paddy field (2) inside.
2. The irrigation and drainage system for rice planting according to claim 1, characterized in that: the left end of the connecting pipe (12) is fixedly communicated with a second electromagnetic valve (15), and the left side of the second electromagnetic valve (15) is fixedly communicated with an external discharge pipe (16).
3. The irrigation and drainage system for rice planting according to claim 1, characterized in that: the inside fixed mounting on ground (1) top has stand-by water tank (17) that are located paddy field (2) right side, the top fixed mounting on ground (1) has base (18) that are located stand-by water tank (17) right side, the top fixed mounting of base (18) has second control box (19).
4. The irrigation and drainage system for rice planting according to claim 1, characterized in that: the inside fixed mounting of first control box (4) has first singlechip (23), the inside fixed mounting of first control box (4) has timer (24) that are located first singlechip (23) right side.
5. The irrigation and drainage system for rice planting according to claim 1, characterized in that: the inside fixed mounting of first control box (4) has first controller (25) that is located first singlechip (23) below, the inside fixed mounting of first control box (4) has wireless signal transmitter (26) that is located first controller (25) right side and timer (24) below.
6. The irrigation and drainage system for rice planting according to claim 3, wherein: the inside fixed mounting of second control box (19) has second singlechip (28), the inside fixed mounting of second control box (19) has second controller (29) that is located second singlechip (28) right side, the inside fixed mounting of second control box (19) has wireless signal receiver (27) that is located second singlechip (28) below.
7. The irrigation and drainage system for rice planting according to claim 3, wherein: middle part fixed mounting on stand-by water tank (17) top has third water pump (30), the fixed intercommunication in front of third water pump (30) has third drinking-water pipe (32), the bottom of third drinking-water pipe (32) runs through stand-by water tank (17) and extends to the inside of stand-by water tank (17), the top fixed mounting of stand-by water tank (17) has and is located left fixed block (31) of third water pump (30), the fixed intercommunication in left side of third water pump (30) has third drain pipe (33), the other end of third drain pipe (33) runs through fixed block (31) and extends to the left side of fixed block (31) and is located the inside of paddy field (2).
8. The irrigation and drainage system for rice planting according to claim 3, wherein: the fixed intercommunication in top of reserve tank (17) has and is located water filling opening (34) on third water pump (30) right side, the surface activity that adds water filling opening (34) has cup jointed top cover (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063285.2A CN110651693A (en) | 2019-10-31 | 2019-10-31 | Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911063285.2A CN110651693A (en) | 2019-10-31 | 2019-10-31 | Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage |
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| Publication Number | Publication Date |
|---|---|
| CN110651693A true CN110651693A (en) | 2020-01-07 |
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ID=69042882
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911063285.2A Withdrawn CN110651693A (en) | 2019-10-31 | 2019-10-31 | Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage |
Country Status (1)
| Country | Link |
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| CN (1) | CN110651693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112285310A (en) * | 2020-10-20 | 2021-01-29 | 武汉大学 | A system for monitoring nitrogen and phosphorus nutrients in irrigation and drainage |
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| CN208509788U (en) * | 2018-04-27 | 2019-02-19 | 宁夏大学 | Rice field water-saving fills row's control system |
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2019
- 2019-10-31 CN CN201911063285.2A patent/CN110651693A/en not_active Withdrawn
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| CN203775831U (en) * | 2014-01-23 | 2014-08-20 | 江苏冠甲水利科技有限公司 | Automatic intelligent irrigation system for rice field |
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| CN105850674A (en) * | 2016-04-15 | 2016-08-17 | 湖南农业大学 | System and method for rice field aeration irrigation and drainage simulation control |
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| CN112285310A (en) * | 2020-10-20 | 2021-01-29 | 武汉大学 | A system for monitoring nitrogen and phosphorus nutrients in irrigation and drainage |
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Application publication date: 20200107 |
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