CN105850674A - System and method for rice field aeration irrigation and drainage simulation control - Google Patents
System and method for rice field aeration irrigation and drainage simulation control Download PDFInfo
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- CN105850674A CN105850674A CN201610235676.8A CN201610235676A CN105850674A CN 105850674 A CN105850674 A CN 105850674A CN 201610235676 A CN201610235676 A CN 201610235676A CN 105850674 A CN105850674 A CN 105850674A
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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
- A01G25/165—Cyclic operations, timing systems, timing valves, impulse operations
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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
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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
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Water Supply & Treatment (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Botany (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a system and method for rice field aeration irrigation and drainage simulation control. The system comprises a simulated rice field device, a controller, a reservoir, a water collecting tank, a water level sensor, a humidity sensor, a dissolved oxygen sensor and an air adding pump. The simulated rice field device is an uncovered container containing soil; an air adding pipe is arranged in the soil of the container; the air adding pipe is connected with the air adding pump outside the container; and the air adding pump is controlled by the controller. The reservoir is connected with the simulated rice field device through a water inlet pipe, and the water inlet pipe is provided with a first solenoid valve. The simulated rice field device is connected with the water collecting tank through a drain pipe, and the drain pipe is provided with a second solenoid valve. The water level sensor, the humidity sensor and the dissolved oxygen sensor are connected with the controller. The system further comprises a drainage reutilization mechanism which mainly collects return water of a rice field through a channel and collects the return water to the water collecting tank so as to sustainably utilize irrigation water, and the problem of difficulty in water transfer in a mountainous area during the drought is solved. The system is simple and efficient and has a huge promotion potential.
Description
Technical field
The invention belongs to agricultural technology field, relate to the oxygenation of a kind of rice field and fill row's analog control system and method.
Background technology
Paddy rice is chronically at waterflooding or close to saturated moisture state so that root region soil is in reducing condition more, can cause reduction
The enrichment of property material, although rice root has oxygen effect of secreting, but also there will be the phenomenons such as black root, thus affects Root Growth of Rice.
The improvement that can realize rhizosphere gaseous environment is irrigated in aerating, promotes plant growth, improves improving activity of root system, increases water and fertilizer utilization, carries
High crop yield and quality, reaches the purpose of efficient high yield, high-quality.Paddy rice normal irrigation causes the every of root for hypoxgia
Index declines, and becomes microbial bacterial and the target of pathogenic infection attack, causes pest and disease damage, and root system water and fertilizer utilization declines, and causes work
Thing yield and quality declines.And the photosynthetic rate of blade been significantly enhanced in the different bearing stage. Liu Jie etc. have studied root district and add
The gas impact on peach in hothouse morphological index " yield " quality, result shows that root district adds gas disposal and descends condition of drip irrigation lower day over the ground
Light peach in hothouse morphological index " yield " quality creates and significantly affects, and aerating frequency uses 1 time/2d process to be better than other
Add gas disposal.In prior art, special analogue means is not had to arrange and the oxygenation impact on paddy growth with the filling of Study On Rice.
Summary of the invention
The technical problem to be solved is to provide the oxygenation of a kind of rice field and fills row's analog control system and method, this rice field oxygenation
The row's of filling analog control system uses focus control mode, compact conformation, it is easy to implements, and has good water-saving result.
The technical solution of invention is as follows:
The oxygenation of a kind of rice field fills row's analog control system, passes including simulation rice field device, controller, cistern, collecting-tank, water level
Sensor, humidity sensor, dissolved oxygen sensor and add air pump；
Simulation rice field device is the container of the interior Sheng soil of uncovered；The soil of container is provided with aerating pipeline；Aerating pipeline and container
The outer air pump that adds is connected；Add air pump and be controlled by controller；
Cistern is connected with simulation rice field device by water inlet pipe, and water inlet pipe is provided with the first magnetic valve being controlled by controller；
Simulation rice field device is connected with collecting-tank by drainpipe, and drainpipe is provided with the second magnetic valve being controlled by controller；
Level sensor, humidity sensor are all connected with controller with dissolved oxygen sensor.
Controller is single-chip microcomputer, DSP or arm processor.
Controller is placed in intelligent control box.
Remote communication module it is provided with in intelligent control box.
Cistern is connected with collecting-tank by feed pipe, and feed pipe is provided with the water pump being controlled by controller；It is provided with floating in cistern
Ball valve.
The oxygenation of a kind of rice field fills row's analog control method, uses aforesaid rice field oxygenation to fill row's analog control system simulation rice field and increases
Oxygen fills row.
During the tiller of paddy rice, by adding air pump oxygenation 2-5 minute between morning 7-9 point and between the 4-6 point in afternoon.
Preferably 7 points in the morning, 5 thirty in afternoon.
The oxygenation time is 3 minutes.
At the period of seedling establishment of paddy rice, tillering stage, grouting heading stage, using paddy field water layer depth as controlling foundation, water depth is less than
1CM, irrigation water, until water depth is 3CM, water depth is higher than 3CM then draining；
Period of seedling establishment refers to after rice transplanting 15-25 days, refers to tillering stage after tiller 25-30 days；Jointing-booting stage refers to 18-25 after jointing
My god；Grouting heading stage refer to grouting after the 15-30 days；The fingering stage of yellow ripeness enters after yellow maturity 10-15 days.It is in the milk after terminating heading stage just to enter
Entering the stage of yellow ripeness, this stage continues 10-15 days.
At period of seedling establishment and the heading stage of being in the milk of paddy rice, 7 of the morning and the 5:30 in afternoon are passed through gas 2-5 minute, preferably 3 minutes.
The present invention is using the bound of paddy field water layer depth and field moisture content as automatic irrigation standard, by level sensor chaining pin
Obtain field water level or field moisture content, it compared with the optimum value of setting, the difference obtained as the input variable of controller,
Set up control system, drive, control the unlatching of electric valve, it is achieved the row of filling automatically, meanwhile, utilize rice field surface soil water
The dissolved oxygen content variation tendency of a day, controls oxygenation irrigation time, reaches timely and appropriate discovery efficient water-saving irrigation purpose.This oxygenation fills
Irrigating the row's of filling control system mainly uses the level sensor of monitoring automatically that water level regulates and controls to reach wet-shallow irrigation, development height
Effect agricultural purpose, utilizes the Clear Days Summer rice field surface soil water dissolved oxygen content variation tendency of a day, controls oxygenation irrigation time；
Control system takes the versatility of control signal when design, can control motor, can control again magnetic valve.
Beneficial effect:
There is advantages below in the present invention:
The present invention, according to the water requirement in different paddy growth rice fields in period and soil moisture content, utilizes magnetic valve regulation to fill displacement.
First pass through water level, humidity sensor and dissolved oxygen sensor monitoring rice field water layer, rice field topsoil water dissolved oxygen content, paddy rice
The change of root parameter water content obtains profit and loss aqueous condition and the oxygenation irrigation time of paddy growth, and feeds back to central authorities' process
Device, and preprocessor regulates the duty in rice field according to the water requirement of paddy rice different growing stage and irrigation technique, to reach
The optimization irrigated.Such as, when rice field water layer is too high, then by regulating the magnetic valve draining of raised path through fields outlet pipe, regulate rice field
Water level is to the state of suitable paddy growth；When paddy soil water content is too low, then opens magnetic valve and irrigate, and determine every
It oxygenation irrigation time.Invention also includes drainage water reuse, mainly is pooled to catchment by the return water in channel collection rice field
Pond, reaches the sustainable use of irrigation water, solves the problem that during arid, mountain area water transfer is difficult.System is succinctly efficient, has huge
Promotion potential.
Accompanying drawing explanation
Fig. 1 is the general structure block diagram that rice field oxygenation fills row's analog control system；
Fig. 2 is rice field topsoil water dissolved oxygen content variable quantity tendency chart；
Fig. 3 be water-saving irrigation automatically control main program block diagram.
Label declaration: 1, water pump；2, air pump is added；3, ball-cock assembly；4, aerating pipeline；5, dissolved oxygen sensor；6, temperature
Sensor；7, screen pack；8, level sensor；9, the first magnetic valve；10, the second magnetic valve.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with Figure of description and preferred embodiment, invention herein is done more comprehensively, carefully
Cause ground to describe, but protection scope of the present invention is not limited to specific embodiment.
Unless otherwise defined, with those skilled in the art, all technical terms used hereinafter are generally understood that implication is identical.This
Technical term used in literary composition is intended merely to describe the purpose of specific embodiment, is not intended to limit the scope of the invention.
Embodiment:
Seeing Fig. 1, the oxygenation of a kind of rice field fills row's analog control system, including simulation rice field device, controller, cistern, catchments
Pond, level sensor 8, humidity sensor 6, dissolved oxygen sensor 5 and add air pump 2；
Simulation rice field device is the container of the interior Sheng soil of uncovered；The soil of container is provided with aerating pipeline 4；Aerating pipeline and appearance
The air pump that adds outside device is connected；Add air pump and be controlled by controller；
Cistern is connected with simulation rice field device by water inlet pipe, and water inlet pipe is provided with the first magnetic valve 9 being controlled by controller；
Simulation rice field device is connected with collecting-tank by drainpipe, and drainpipe is provided with the second magnetic valve 10 being controlled by controller；
Level sensor, humidity sensor are all connected with controller with dissolved oxygen sensor.
Controller is single-chip microcomputer, DSP or arm processor.
Controller is placed in intelligent control box.
Remote communication module it is provided with in intelligent control box.
Cistern is connected with collecting-tank by feed pipe, and feed pipe is provided with the water pump 1 being controlled by controller；It is provided with floating in cistern
Ball valve 3；Water pipe is provided with screen pack 7 at simulation rice field device connection.
The oxygenation of a kind of rice field fills row's analog control method, uses the oxygenation of aforesaid rice field to fill row's analog control system simulation rice field oxygenation
The row of filling.
During the tiller of paddy rice, by adding air pump oxygenation 2-5 minute between morning 7-9 point and between the 4-6 point in afternoon.
Preferably 7 points in the morning, 5 thirty in afternoon.
The oxygenation time is 3 minutes.
At the period of seedling establishment of paddy rice, tillering stage, grouting heading stage, using paddy field water layer depth as controlling foundation, water depth is less than
1CM, irrigation water, until water depth is 3CM, water depth is higher than 3CM then draining；
Period of seedling establishment refers to after rice transplanting 15-25 days, refers to tillering stage after tiller 25-30 days；Jointing-booting stage refers to 18-25 after jointing
My god；Grouting heading stage refer to grouting after the 15-30 days；The fingering stage of yellow ripeness enters after yellow maturity 10-15 days.It is in the milk after terminating heading stage just to enter
Entering the stage of yellow ripeness, this stage continues 10-15 days.
At period of seedling establishment and the heading stage of being in the milk of paddy rice, 7 of the morning and the 5:30 in afternoon are passed through gas 2-5 minute, preferably 3 minutes.
Native system selects central control mode, including intelligent control box, single-chip microcomputer, cistern, collecting-tank, water level, humidity sensor
Device and dissolved oxygen sensor and annex thereof.Cistern is used for simulating pool, mountain area reservoir filling for irrigating；Simulation sets in pond, rice field
Having humidity, height of water level and dissolved oxygen sensor to gather rice field information, regulation and control fill row and oxygenation；Collecting-tank, it is unnecessary to be used for collecting
Rainwater and irrigation water, in case the need of lack of water in dry season；Long-distance intelligent control case, is made up of display screen and single-chip microcomputer two large divisions,
Peripheral hardware small signal tower is in order to communication and transmission data.Height of water level, soil moisture, dissolved oxygen content and water is shown on display screen
The parameters such as growth period residing for rice.
For many years, agricultural experts are devoted to the research of rice water-saving irrigation technique always, have also promoted various Water Saving Irrigation Mode, this
What system was taked is single cropping rice " shallow, wet, dry " Water Saving Irrigation Mode." shallow " refers to that irrigating the water layer upper limit is 30mm；" wet "
Refer to that water layer is zero, soil moisture content 100%；" do " and refer to each lower limit that breeding time, soil moisture content required, instrument test can be passed through,
Or judge according to empirical values such as interstices of soil width corresponding to different lower limits, the footprint degree of depth.It is typically less than soil moisture content lower limit
Value is not irrigated.When pour water according to depending on soil moisture content, arrived lower limit and just filled, less than just etc..Except a large amount of precipitation exceed
Outside the storage rain upper limit of regulation and salt-soda soil row's alkali require, typically not draining.This technology can save the water resource of about 30.5%, improves
The rice yield of about 9%.After " control irrigate " refers to that rice seedling Honda is transplanted, face, field keeps 5～25mm thin water layers to turn green seedling alive,
Each growing stage turning green later, irrigation water layer is not set up in face, field, and using root layer soil moisture content as Con trolling index, meeting rain can
Keep certain water layer, as shown in table 1.
Table 1 Rice Growing stage rice field waterlayer control standard
Period of seedling establishment refer to transplant after 15-25 days, refer to tillering stage after tiller 25-30 days；Jointing-booting stage refers to after jointing the 18-25 days；
Grouting refers to be in the milk the 15-30 days heading stage；The stage of yellow ripeness refers to yellow maturity the 10-15 days.
Period of seedling establishment, tillering stage, grouting water layer at heading stage are field water layer depth, control at 1-3Cm；The yellow maturity end of term no longer pours water,
Water consumpation is made naturally to fall dry；In table, listed water content refers both to volume content, for soil moisture content mean value in root layer Observational depth,
Jointing-booting stage and the stage of yellow ripeness refer to each stage saturation moisture content；Bound of pouring water water content is by saturation moisture content and each fertility rank
The control percentage (70%-100%) that section sets is multiplied and obtains.
As can be known from Table 1, the irrigation of paddy rice can control paddy field water layer depth, and the control of different breeding times requires difference.Water
Rice is irrigated from cistern gravity irrigation, controls irrigation volume by regulation irrigation level, field irrigation amount number by paddy growth
Water requirement regulates.
Period of seedling establishment, tillering stage, grouting heading stage: application level sensor gathers water level in paddy field, and they is compared with setting value,
More than the then draining of setting value 3CM, then irrigating close to setting value lower limit 1CM, regulation water level is to (1CM-3CM), selected input
Variable not only reflects soil regime, also reflects the upgrowth situation of field weather, crop.According to the water level in rice field, control electricity
The water inlet of magnet valve door, draining.
Jointing-booting stage, the stage of yellow ripeness.Application humidity sensor gathers paddy soil water content, and they is compared with setting value,
More than setting value 70% then draining, close to setting value lower limit 70% then spray irrigation, according to paddy soil water content, control magnetic valve
Door water inlet, draining.
For carrying out system control, this project team member, as a example by tillering stage, carries out rice field topsoil on July 13rd, 2015 to pot rice
Earth water dissolves determination of oxygen content, and its result is as follows:
Tillering stage, topsoil water in rice field dissolved determination of oxygen content value (mg/L)
This test adds 2-53 minute gas with oxygenation respectively at 8 a.m. and at 5 in afternoon with adding air pump in rice plant of tillering stage.According to rice
Field topsoil water dissolved oxygen content variation tendency, there is maximum 10.03mg/L in the morning 10: 50 in CK group, and oxygenation group
12: 40, maximum 6.81mg/L occurs, and this test adds 3 minutes respectively at 8 a.m. and at 5 in afternoon with adding air pump
Gas is with oxygenation, and after finding oxygenation, topsoil water dissolved oxygen content occurs decreasing value 5.21mg/L and 4.72mg/L respectively, says
There is minimum as the oxygenation time in bright available top layer soil water dissolved oxygen content, close to this numerical value, then adds oxygen 2-5103 and divides
Clock.
Conclusion: period of seedling establishment, tillering stage, grouting heading stage: then using paddy field water layer depth as basis, less than 1CM, irrigation water,
Until 3CM, more than 3CM then draining, meanwhile, it is passed through gas 2-5 minute at 7 of the morning and the 5:30 in afternoon respectively.
Jointing-booting stage, the stage of yellow ripeness: then using saturation moisture content as basis, less than 70%, irrigation water, until 100%, full
With water content=78%, it is not necessary to ventilation
The yellow maturity end of term no longer pours water, and makes water consumpation naturally fall dry.
The flow chart that rice water-saving is irrigated as it is shown on figure 3, when field water floor height is in maximum permissible value, draining；When field, water layer is low
When minimum permissible value, irrigate.
1) this sensor has high accuracy and high accuracy, and stable performance, can truly reflect sensor proximity paddy field moisture,
Rice field topsoil water dissolved oxygen content situation.
2) this system can prevent heavy irrigation, also improves irrigation efficiency, saves water resource.This system is according to condenser type water
Level sensor measures water level in paddy field numerical value, carries out automatic irrigation, it is not necessary to safeguards, is greatly saved manpower and maintenance cost.According to
Paddy rice different growing stage water requirement is irrigated, and substantially increases irrigation efficiency, it is therefore prevented that conventional fills according to timer
Irrigate the waste of the water resource caused, be greatly saved water and the consumption of electricity.This system is only just irrigated when crop needs to irrigate, and needs
Just oxygenation when wanting oxygenation, can adapt to irrigate under any climatic environment automatically according to the upper and lower bound set.
Monitor can check irrigation activity on computers, and carries out irrigating setting, makes irrigation simpler, flexibly.
The characteristic of the present invention:
1) propose first to utilize the rice field topsoil true variation tendency of water dissolved oxygen content to determine the oxygenation time；
2) utilize and add air pump to soil aerating, be not to utilize dropper system oxygenation, but by laying different in different soil
Gas-adding pipe, and arrange pore with plum blossom-shaped, this is more conducive to soil lower floor each point and is uniformly bullied；
3) cistern is provided with ball-cock assembly, when in cistern retaining is too low or period of drought, part water can be extracted from collecting-tank and mix
Close and irrigate, it is achieved the efficient utilization of water；
4) potted plant experiment proves that the application of the present invention is effective, and oxygenation is irrigated paddy rice different bearing stage chlorophyll, solubility
The mass fraction of protein and soluble sugar all has to be increased in various degree, and Photosynthetic Rate been significantly enhanced, and oxygenation is irrigated especially
Notable to rice plant of tillering stage effect, tiller number, plant height, improving activity of root system, well developed root system degree, biomass accumulation and Photosynthetic Characteristics
Index is all substantially better than normal irrigation control treatment, and Rice Growing later stage root function strengthens, and blade superoxide dismutase activity carries
Height, final promotion kernel grouting is solid.
Claims (10)
1. a rice field oxygenation fills row's analog control system, it is characterised in that include simulating rice field device, controller, cistern,
Collecting-tank, level sensor, humidity sensor, dissolved oxygen sensor and add air pump；
Simulation rice field device is the container of the interior Sheng soil of uncovered；The soil of container is provided with aerating pipeline；Aerating pipeline and container
The outer air pump that adds is connected；Add air pump and be controlled by controller；
Cistern is connected with simulation rice field device by water inlet pipe, and water inlet pipe is provided with the first magnetic valve being controlled by controller；
Simulation rice field device is connected with collecting-tank by drainpipe, and drainpipe is provided with the second magnetic valve being controlled by controller；
Level sensor, humidity sensor are all connected with controller with dissolved oxygen sensor.
Rice field the most according to claim 1 oxygenation fills row's analog control system, it is characterised in that controller be single-chip microcomputer,
DSP or arm processor.
Rice field the most according to claim 1 oxygenation fills row's analog control system, it is characterised in that controller is placed in intelligence control
In case processed.
Rice field the most according to claim 3 oxygenation fills row's analog control system, it is characterised in that be provided with in intelligent control box
Remote communication module.
Rice field the most according to claim 1 oxygenation fills row's analog control system, it is characterised in that cistern passes through feed pipe
Being connected with collecting-tank, feed pipe is provided with the water pump being controlled by controller；Ball-cock assembly it is provided with in cistern.
6. a rice field oxygenation fills row's analog control method, it is characterised in that use the rice field described in any one of claim 1-5
Oxygenation fills row's analog control system simulation rice field oxygenation and fills row.
Rice field the most according to claim 6 oxygenation fills row's analog control method, it is characterised in that during the tiller of paddy rice,
By adding air pump oxygenation 2-5 minute between morning 7-9 point and between the 4-6 point in afternoon.
Rice field the most according to claim 7 oxygenation fills row's analog control method, it is characterised in that the oxygenation time is 3 minutes.
Rice field the most according to claim 6 oxygenation fills row's analog control method, it is characterised in that paddy rice period of seedling establishment,
Tillering stage, grouting heading stage, using paddy field water layer depth as controlling foundation, water depth is less than 1CM, and irrigation water, until water
Layer depth is 3CM, and water depth is higher than 3CM then draining；
Period of seedling establishment refers to after rice transplanting 15-25 days, refers to tillering stage after tiller 25-30 days；Jointing-booting stage refers to 18-25 after jointing
My god；Grouting heading stage refer to grouting after the 15-30 days；The fingering stage of yellow ripeness enters after yellow maturity 10-15 days.
10. fill row's analog control method according to the rice field oxygenation described in any one of claim 7-9, it is characterised in that returning in paddy rice
Blue or green phase and heading stage of being in the milk, 7 of the morning and the 5:30 in afternoon are passed through gas 2-5 minute.
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| CN107006290A (en) * | 2017-04-20 | 2017-08-04 | 中国水稻研究所 | A kind of potted plant device of paddy rice and its application method |
| CN107360951A (en) * | 2017-09-18 | 2017-11-21 | 中国农业科学院农田灌溉研究所 | A kind of system for automatically controlling soil moisture content |
| CN108782185A (en) * | 2018-04-27 | 2018-11-13 | 宁夏大学 | Rice field water-saving fills row's control method and control system |
| CN109673337A (en) * | 2018-12-29 | 2019-04-26 | 陕西师范大学 | A kind of micro- oxygen bubbles magnetized water water for irrigation rice crop device and method |
| CN110384001A (en) * | 2019-08-13 | 2019-10-29 | 广西壮族自治区农业科学院 | A kind of method and system reducing farmland greenhouse gas discharge |
| CN110651693A (en) * | 2019-10-31 | 2020-01-07 | 麻阳米米生态农业科技有限公司 | Irrigation and drainage system for rice planting and capable of achieving regular and quantitative irrigation and drainage |
| CN111742801A (en) * | 2020-07-08 | 2020-10-09 | 浙江省农业科学院 | Irrigation method and device for reducing cadmium accumulation of rice in rice growth period |
| CN112243839A (en) * | 2020-10-20 | 2021-01-22 | 上海今粹农业专业合作社 | Irrigation system used in rice production and application |
| CN114020080A (en) * | 2021-11-04 | 2022-02-08 | 河海大学 | Micro-nano air entrainment-based automatic rice field irrigation and drainage system and method |
| CN115005070A (en) * | 2021-12-30 | 2022-09-06 | 广州城建职业学院 | Automatic soil humidity control system |
| CN115024207A (en) * | 2021-12-30 | 2022-09-09 | 广州城建职业学院 | Automatic irrigation system for lake water micro-spraying plants |
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| CN110384001A (en) * | 2019-08-13 | 2019-10-29 | 广西壮族自治区农业科学院 | A kind of method and system reducing farmland greenhouse gas discharge |
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| CN111742801A (en) * | 2020-07-08 | 2020-10-09 | 浙江省农业科学院 | Irrigation method and device for reducing cadmium accumulation of rice in rice growth period |
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| CN114020080A (en) * | 2021-11-04 | 2022-02-08 | 河海大学 | Micro-nano air entrainment-based automatic rice field irrigation and drainage system and method |
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