CN107135915A - A kind of facilities vegetable under-film drip irrigation intelligent irrigation decision system - Google Patents
A kind of facilities vegetable under-film drip irrigation intelligent irrigation decision system Download PDFInfo
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- CN107135915A CN107135915A CN201710315268.8A CN201710315268A CN107135915A CN 107135915 A CN107135915 A CN 107135915A CN 201710315268 A CN201710315268 A CN 201710315268A CN 107135915 A CN107135915 A CN 107135915A
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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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- 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
Abstract
The present invention relates to facilities vegetable under-film drip irrigation intelligent irrigation decision system, including：Decision system 1, central control system 2, motor-pumped well intelligent measuring system 3, irrigation system 4, the soil water content that wherein decision system 1 is used in monitoring facilities vegetables irrigation wetting depth depth, real-time Transmission different depth soil moisture content information is to central control system 2, central control system 2 is used for according to soil moisture content information, judge whether vegetables need irrigation, if needing to irrigate, then calculate irrigation quantity, issue, which is poured water, to be instructed to motor-pumped well intelligent measuring system 3, motor-pumped well intelligent measuring system 3 is received after instruction of pouring water, open water pump and irrigation system 4, quantifying irrigation is carried out according to gained irrigation quantity is calculated.The present invention can monitor and control facility vegetables in real time root region soil water uptake kinetics, grasp crop water information, monitor irrigation water situation, effectively improve the utilization ratio of irrigation water, reduce recruitment, reduce management cost, increase economic efficiency.
Description
Technical field
The present invention relates to facilities vegetable irrigation technique, more particularly, to facilities vegetable under-film drip irrigation intelligent irrigation decision-making
System.
Background technology
At present, the efficient water-saving irrigation mode that facilities vegetable is promoted mainly is drip irrigation, but drip irrigation project construction completes and put into make
With rear, peasant household still suffers from problems with during irrigation：(1) peasant's present situation pours water situation majority by rule of thumb, without science
Achievement in research is used as theoretical direction；(2) peasant's consciousness of saving water is thin, pours water uncontrolled, and the phenomenon wasted water still has；(3)
Existing efficient water-saving irrigation integration ofTechnology degree is not high, does not form the efficient water-saving irrigation mould of reproducible popularization timely and effectively
Formula；(4) water-pouring process still needs manually to control, and wastes time and energy.
In addition, compared with other crops, vegetables are more sensitive to the demand of water, how many pairs of vegetables of soil moisture
Yield effect it is very big, it is therefore desirable to often pour water to keep soil moisture in certain level.Other crops are for example
Corn-demand by contrast to water is less sensitive, and number of times irrigation is regularly determined within the growth period of whole crop.Therefore,
Poured water with sensation or experience, or timing is poured water, or irrigation quantity is more than vegetables demand, causes the phenomenon wasted water, otherwise fill
Water is less than vegetables demand, causes yield of vegetables low, this can cause water production efficiency low.
Accordingly, it would be desirable to consider the problem of existing during the above is irrigated, a kind of agricultural water conservation of modernization is developed
Intelligent irrigation decision system, realizes the automatic diagnosis for irrigating information, the intelligent control for irrigating process, the accurate metering of irrigation water
Etc. function, while reaching time and labour saving, water-saving purpose.
The content of the invention
For existing efficient water-saving irrigation integration ofTechnology degree is high, applicability is not strong, the irrigation method of science is not yet applied
In production, there is irrigation period and the shortcomings of irrigation quantity is not suitable for, do not poured water by the demand of crop, the present invention proposes one kind can
Propagable industrialized agriculture high-efficiency water-saving intelligent irrigation decision system is replicated, to instruct modern agriculture water-saving irrigation.
To realize the above-mentioned purpose of the present invention, using following technical scheme：
A kind of facilities vegetable under-film drip irrigation intelligent irrigation decision system, including：
Decision system 1；
Central control system 2, with the UNICOM of decision system 1；
Motor-pumped well intelligent measuring system 3, with the UNICOM of central control system 2；
Irrigation system 4, with the UNICOM of motor-pumped well intelligent measuring system 3；
The soil water content that wherein described decision system 1 is used in monitoring facilities vegetables irrigation wetting depth depth, and
Real-time Transmission different depth soil moisture content information is to the central control system 2；
The central control system 2 is used for according to the soil moisture content information, judges whether vegetables need irrigation, if needing
Irrigate, then calculate irrigation quantity, issue, which is poured water, to be instructed to the motor-pumped well intelligent measuring system 3；
The motor-pumped well intelligent measuring system 3 is received after instruction of pouring water, and water pump and the irrigation system 4 is opened, according to meter
Calculate gained irrigation quantity and carry out quantifying irrigation；
After the irrigation quantity obtained by calculating has been irrigated, the motor-pumped well intelligent measuring system 3 stops supplying water, and the filling
System 4 is irrigate to close；
Wherein, whether the central control system 2 is less than the soil pre-set according to the soil moisture content calculated
Soil appropriated moisture lower limit in irrigation wetting depth depth, to judge whether crop needs irrigation, if being fitted less than the soil
Suitable moisture content lower limit, then be judged to needing to irrigate；
When the central control system 2 calculates the irrigation quantity, computation schema is as follows：
M=P × (θmax-θmin)×H×S
M is irrigation quantity, and unit is m3；
P is ground moistening ratio, and unit is percentage；
θmaxIt is the percentage of field capacity for the soil appropriated moisture upper limit in planned moist layer in soil depth；
θminIt is the percentage of field capacity for soil appropriated moisture lower limit in planned moist layer in soil depth；
H is ground moistening layer depth, and unit is m；
S is the area in region of pouring water, and unit is m2。
Further, the central control system 2 includes database 21, microprocessor 22, Central Control Room 23 and cell phone customer
End 24.
Further, the motor-pumped well intelligent measuring system 3 includes motor-pumped well intelligent metering control terminal 31, water pump 32, flow
Meter 33 and GPRS communication module 34, the GPRS communication module 34 are connected with the database 21, the microprocessor 22 and institute
Motor-pumped well intelligent metering control terminal 31 is stated to connect.
Further, the irrigation system 4 includes magnetic valve 41 and drip irrigation system 42, the flowmeter 33 and the electromagnetism
Valve 41 is connected.
Further, the decision system 1 includes many deep soil moisture transducers 11 and GPRS communication module 12, described
GPRS communication module 12 is connected with the database 21.
In addition, the facilities vegetable includes leaf vegetables, fruit vegetables and melon-fruit-like vegetable.
Further, the soil appropriated moisture lower limit of the leaf vegetables can be the 65%-75% of field capacity,
The soil appropriated moisture lower limit of the fruit vegetables and melon-fruit-like vegetable can be the 75%-85% of field capacity.
Further, for leaf vegetables, soil moist layer depth H can be 0.2m；For fruit vegetables and melon and fruit
Class vegetables, soil moist layer depth H can be 0.3m.
Further, the soil appropriated moisture upper limit can be the 95%-100% of field capacity.
In addition, the ground moistening can use 80%-90% than P, those skilled in the art can select to fit as needed
When value.
The present invention can monitor and control facility vegetables in real time root region soil water uptake kinetics, grasp crop water information, monitoring
Irrigation water situation, can effectively improve the utilization ratio of irrigation water, reduce recruitment, reduce management cost, increase economic efficiency.
Brief description of the drawings
Fig. 1 is the schematic diagram of the facilities vegetable under-film drip irrigation intelligent irrigation decision system of the present invention.
Embodiment
The embodiment to the present invention is further described below in conjunction with the accompanying drawings.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, can be to be fixedly connected or detachable connection, or integral type connection；Can be joined directly together,
It can also be indirectly connected to by intermediary.For the ordinary skill in the art, it can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to Fig. 1, there is provided a kind of facilities vegetable under-film drip irrigation intelligent irrigation decision system, it may include：
Decision system 1；Central control system 2, with the UNICOM of decision system 1；Motor-pumped well intelligent measuring system 3, with center control
The UNICOM of system 2；Irrigation system 4, with the UNICOM of motor-pumped well intelligent measuring system 3；Wherein decision system 1 is used for monitoring facilities vegetables plan
The soil water content in layer depth is moistened, and real-time Transmission different depth soil moisture content information is to central control system 2；
Central control system 2 is used for according to the soil moisture content information, judges whether vegetables need irrigation, if needing to irrigate, calculates
Irrigation quantity, issue, which is poured water, to be instructed to motor-pumped well intelligent measuring system 3；Motor-pumped well intelligent measuring system 3 is received after instruction of pouring water, and is opened
Water pump and irrigation system 4, quantifying irrigation is carried out according to gained irrigation quantity is calculated；After the irrigation quantity obtained by calculating has been irrigated,
Motor-pumped well intelligent measuring system 3 stops supplying water, and irrigation system 4 is closed.
Each part is described in more detail below in conjunction with the accompanying drawings.
Decision system 1 may include many deep soil moisture transducers 11 and GPRS communication module 12.Many deep soil moisture
Sensor 11 is such as can be contact pin type soil moisture sensor, catheter type Moisture Meter.Those skilled in the art are based on this hair
Bright teaching, can select proper sensors, and how deep suitably arrange according to soil to be measured and crop to be irrigated
Spend quantity, depth and the position of soil moisture sensor 11.Many deep soil moisture transducers 11 are based on monitoring facilities vegetables
The soil water content in moistening layer depth is drawn, GPRS communication module 12 can receive the sensing data of moisture transducer 11, i.e.,
Water content information in soil, and transfer data to central control system 2.
Central control system 2 may include database 21, microprocessor 22, Central Control Room 23 and cell-phone customer terminal 24, for root
According to soil moisture content information, judge whether vegetables need irrigation, if needing to irrigate, calculate irrigation quantity, issue, which is poured water, to be instructed to machine
Well intelligent measuring system 3.The GPRS communication module 12 of wherein decision system 1 is connected with database 21.Central Control Room 23 for example can be with
For desktop computer terminal, notebook computer terminal etc., it can be set according to practical application.Database 21 is used for receiving GPRS communications
The sensing data for the moisture transducer 11 that module 12 is sent.Microprocessor 22 calls the sense of the moisture transducer 11 in database 21
Data, i.e. soil moisture content information are surveyed, judges whether vegetables need irrigation, if needing irrigation, irrigation quantity is calculated, and by irrigation quantity
Information is sent to Central Control Room 23 and cell-phone customer terminal 24.Central Control Room 23 or cell-phone customer terminal 24 can be automatically or by staff
The instruction that will manually pour water is sent to motor-pumped well intelligent metering control terminal 31.
Wherein whether central control system 2 is less than the soil appropriated moisture lower limit pre-set according to soil moisture content
Value, to judge whether crop needs irrigation, if less than the soil appropriated moisture lower limit, being judged to needing to irrigate.
When central control system 2 calculates the irrigation quantity, computation schema is as follows：
M=P × (θmax-θmin)×H×S
Wherein m is irrigation quantity, and unit is m3；P is ground moistening ratio, refers to moistening soil body volume and whole irrigation wetting depth
The ratio of the soil body, unit is percentage, can use 80%-90%, because of drip irrigation zone duplicate rows arrangement, preferably takes 90%；θmaxFor soil meter
The soil appropriated moisture upper limit in moistening layer depth is drawn, is the percentage of field capacity；θminFor planned moist layer in soil depth
Interior soil appropriated moisture lower limit, is the percentage of field capacity；H is ground moistening layer depth, and unit is m；S is area of pouring water
The area in domain, unit is m2。
Wherein field capacity be underground water is relatively deep and well-drained soil on fully pour water or precipitation after, it is allowed to water
Oozed under dividing fully, and prevent its moisture evaporation, by certain time, the relatively stable Soil Water Content that soil profile can be maintained
(soil water potential or soil water suction reach certain numerical value), is the available soil water upper limit of most plants.It is considered as soil
The highest soil moisture content kept can be stablized, be also that can keep the maximum of suspended water in soil, be effective to crop
Highest Soil Water Content, and be considered as a constant, it is often used as irrigating the upper limit and calculates the index of irrigating water quota.
Motor-pumped well intelligent measuring system 3 may include that motor-pumped well intelligent metering control terminal 31, water pump 32, flowmeter 33 and GPRS are logical
Module 34 is interrogated, wherein GPRS communication module 34 is connected with database 21, microprocessor 22 and motor-pumped well intelligent metering control terminal 31
Connection.Motor-pumped well intelligent metering control terminal 31, can basis such as can be motor-pumped well intelligent controller, motor-pumped well irrigating controller
Actual conditions are arranged.Motor-pumped well intelligent metering control terminal 31 receives the finger of pouring water that Central Control Room 23 or cell-phone customer terminal 24 are sent
Water pump 32 is opened after order, through the water measurement amount of flowmeter 33.GPRS communication module 34 is used for real-time Transmission water information to data
Storehouse 21.
Irrigation system 4 may include magnetic valve 41 and drip irrigation system 42, the flowmeter 33 and electromagnetism of motor-pumped well intelligent measuring system 3
Valve 41 is connected.Drip irrigation system 42 can be arranged according to soil, landform and crop to be irrigated, this be this area in it is known
Technology, is repeated no more.When pouring water that motor-pumped well intelligent metering control terminal 31 receives that Central Control Room 23 or cell-phone customer terminal 24 send
When opening water pump 32 after instruction, motor-pumped well intelligent metering control terminal 31 is while opens solenoid valve 41, drip irrigation system 42 starts to irrigate.
After the irrigation quantity that microprocessor 22 is calculated has been irrigated, motor-pumped well intelligent metering control terminal 31 is closed automatically
Water pump 32 and magnetic valve 41, stop irrigating.
When the automatic closing water pump 32 of motor-pumped well intelligent metering control terminal 31 and magnetic valve 41, microprocessor 22 is recorded automatically
The information poured water every time, including time started of pouring water, end time, pour water last, irrigation quantity etc..
In addition, facilities vegetable includes leaf vegetables, fruit vegetables and melon-fruit-like vegetable；The soil of leaf vegetables is fitted
Suitable moisture content lower limit is the 65%-75% of field capacity, under the soil appropriated moisture of fruit vegetables and melon-fruit-like vegetable
It is limited to the 75%-85% of field capacity；For leaf vegetables, soil moist layer depth H is 0.2m；For fruit vegetables
And melon-fruit-like vegetable, soil moist layer depth H is 0.3m；The soil appropriated moisture upper limit is the 95%- of field capacity
100%.
In the present invention, the soil appropriated moisture upper limit can use the 95%-100% of field capacity, can better meet
The growth of vegetables；For leaf vegetables, soil appropriated moisture lower limit is the 65%-75% of field capacity, for fruit and vegetable
Class vegetables and melon-fruit-like vegetable, soil appropriated moisture lower limit are the 75%-85% of field capacity；Crop can be effectively improved
WUEL and plant growth quality, instruct facilities vegetable water-saving irrigation.
Embodiment 1
Exemplified by planting hare's-lettuce：
First, the water content of the soil of the hare's-lettuce of monitoring plantation in real time, this step can be by many deep soil moisture transducers
11 by soil moisture content information transmission to microprocessor 22, judged by microprocessor 22.
When soil moisture content is less than the soil appropriated moisture lower limit θ of hare's-lettuceminWhen (65%-75% of field capacity),
Microprocessor 22, which regards as hare's-lettuce, needs irrigation.
Then by microprocessor 22 by soil moisture content in irrigation wetting depth and the gap of the appropriated moisture upper limit, calculate
Irrigation quantity, is calculated using computation schema described above.
For this leaf vegetables of hare's-lettuce, H takes 0.2m, in a certain trial zone, and P takes 90%, and field capacity is
30%, θmaxTake 100%, θ of field capacityminShown in the ratio such as following table (1) for taking field capacity.
Then, microprocessor 22 is by irrigation quantity information transfer to Central Control Room 23 and cell-phone customer terminal 24.
Central Control Room 23 or cell-phone customer terminal 24 will pour water to instruct and send to motor-pumped well intelligent metering control terminal 31.
Motor-pumped well intelligent metering control terminal 31 opens water pump 32 after receiving instruction of pouring water, through the water measurement of flowmeter 33
Amount, while opens solenoid valve 41, starts to irrigate through drip irrigation system 42.
After the irrigation quantity that microprocessor 22 is calculated has been irrigated, motor-pumped well intelligent metering control terminal 31 is closed automatically
Water pump 32 and magnetic valve 41, stop irrigating.
Wherein, water pump 32 is opened after motor-pumped well intelligent metering control terminal 31, which is received, pours water instruction, is counted through flowmeter 33
Water consumption is measured, while opens solenoid valve 41, when starting to irrigate through drip irrigation system 42, by the real-time Transmission water of GPRS communication module 34
Information is to database 21；
When the automatic closing water pump 32 of motor-pumped well intelligent metering control terminal 31 and magnetic valve 41, microprocessor 22 is recorded automatically
The information poured water every time, including time started of pouring water, end time, pour water last, irrigation quantity etc..
Through overtesting, shown in the yield and water production efficiency contrast table such as following table (1) for drawing hare's-lettuce.
Embodiment 2
Chinese cabbage is planted in method similarly to Example 1, show that corresponding yield and water production efficiency contrast table are as follows
Shown in table (1).
Embodiment 3
Baby cabbage is planted in method similarly to Example 1, corresponding yield and water production efficiency contrast table is drawn such as
Shown in following table (1).
Embodiment 4
Exemplified by planting cherry tomato：
First, the water content that the soil of cherry tomato is planted in plantation is calculated in real time, this step can be by many deep soil water
Sub-sensor 11 to microprocessor 22, is judged soil moisture content information transmission by microprocessor 22.
When soil moisture content is less than the soil appropriated moisture lower limit θ for planting cherry tomatomin(the 75%- of field capacity
85%) when, microprocessor 22, which regards as plant cherry tomato, to be needed to irrigate.
Then by microprocessor 22 by soil moisture content in irrigation wetting depth and the gap of the appropriated moisture upper limit, calculate
Irrigation quantity, is calculated using computation schema described above.
For this fruit vegetables of cherry tomato, H takes 0.3m, in a certain trial zone, and P takes 90%, field water holding
Measure as 30%, θmaxTake 100%, θ of field capacityminShown in the ratio such as following table (1) for taking field capacity.
Then, microprocessor 22 is by irrigation quantity information transfer to Central Control Room 23 and cell-phone customer terminal 24.
Central Control Room 23 or cell-phone customer terminal 24 will pour water to instruct and send to motor-pumped well intelligent metering control terminal 31.
Motor-pumped well intelligent metering control terminal 31 opens water pump 32 after receiving instruction of pouring water, through the water measurement of flowmeter 33
Amount, while opens solenoid valve 41, starts to irrigate through drip irrigation system 42.
After the irrigation quantity that microprocessor 22 is calculated has been irrigated, motor-pumped well intelligent metering control terminal 31 is closed automatically
Water pump 32 and magnetic valve 41, stop irrigating.
Wherein, water pump 32 is opened after motor-pumped well intelligent metering control terminal 31, which is received, pours water instruction, is counted through flowmeter 33
Water consumption is measured, while opens solenoid valve 41, when starting to irrigate through drip irrigation system 42, by the real-time Transmission water of GPRS communication module 34
Information is to database 21；
When the automatic closing water pump 32 of motor-pumped well intelligent metering control terminal 31 and magnetic valve 41, microprocessor 22 is recorded automatically
The information poured water every time, including time started of pouring water, end time, pour water last, irrigation quantity etc..
Through overtesting, shown in the yield and water production efficiency contrast table such as following table (1) for drawing cherry tomato.
Embodiment 5
Green pepper is planted in method similarly to Example 4, show that corresponding yield and water production efficiency contrast table are as follows
Shown in table (1).
Embodiment 6
Cucurbita pepo is planted in method similarly to Example 4, corresponding yield and water production efficiency contrast table is drawn such as
Shown in following table (1).
Table (1)
As can be seen from the above table, it is as a result as follows using the irrigation method monitored in real time：
When irrigation low limit is 75%, hare's-lettuce yield highest, water consumption is minimum, water production efficiency highest；
When irrigation low limit is 70%, Chinese cabbage yield highest, water consumption is minimum, water production efficiency highest；
When irrigation low limit is 70%, baby cabbage yield highest, water consumption is minimum, water production efficiency highest；
When irrigation low limit is 75%, cherry tomato yield highest, water consumption is minimum, water production efficiency highest；
When irrigation low limit is 85%, green pepper yield highest, water consumption is minimum, water production efficiency highest；
When irrigation low limit is 80%, cucurbita pepo yield highest, water consumption is minimum, water production efficiency highest.
For leaf vegetables, when outside irrigation low limit is located at 65%-75% this scope, yield and moisture production effect
Rate declines；For fruit vegetables and melon-fruit-like vegetable, when outside irrigation low limit is located at 75%-85% this scope, production
Amount and water production efficiency also decline.
The present invention can be irrigated according to the habit of crop and the completion water demand of crop of Law of Water Consumption timely and appropriate discovery, real
The functions such as automatic diagnosis, intelligent control, the accurate metering of irrigation water of irrigation process of information are now irrigated, time saving province is reached
Work, water-saving purpose, while also ensuring the good quality and high output of facilities vegetable.
The present invention can also monitor and control facility vegetables in real time soil water dynamics, grasp crop and pour water information, monitoring filling
Irrigate and use regimen condition, the utilization ratio of irrigation water can be effectively improved, reduce recruitment, reduce management cost, increase economic efficiency.
The above-mentioned description to embodiment is it will be appreciated that and using this for the ease of those skilled in the art
Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one
As principle be applied in other embodiments without passing through performing creative labour.Therefore, this case is not limited to above example, ability
The technical staff in domain is according to the announcement of this case, the improvement and modification made for this case, for example, being adopted for separate processes step
Replacing in terms of mode, instrument, if not producing the beneficial effect outside this case, all should this case guarantor
In the range of shield.
Claims (10)
1. a kind of facilities vegetable under-film drip irrigation intelligent irrigation decision system, including：
Decision system 1；
Central control system 2, with the UNICOM of decision system 1；
Motor-pumped well intelligent measuring system 3, with the UNICOM of central control system 2；
Irrigation system 4, with the UNICOM of motor-pumped well intelligent measuring system 3；
Wherein, the soil water content that the decision system 1 is used in monitoring facilities vegetables irrigation wetting depth depth, and will be real
When transmission different depth soil moisture content information to the central control system 2；
The central control system 2 is used for according to the soil moisture content information, judges whether vegetables need irrigation, if needing to fill
Irrigate, then calculate irrigation quantity, issue, which is poured water, to be instructed to the motor-pumped well intelligent measuring system 3；
The motor-pumped well intelligent measuring system 3 is received after instruction of pouring water, and opens water pump and the irrigation system 4, according to calculating institute
Obtain irrigation quantity and carry out quantifying irrigation；
After the irrigation quantity obtained by calculating has been irrigated, the motor-pumped well intelligent measuring system 3 stops supplying water, and described irrigate is
System 4 is closed；
Wherein, whether the central control system 2 is less than the soil plan pre-set according to the soil moisture content calculated
Soil appropriated moisture lower limit in layer depth is moistened, to judge whether crop needs irrigation, if suitably containing less than the soil
Water rate lower limit, then be judged to needing to irrigate；
When the central control system 2 calculates the irrigation quantity, computation schema is as follows：
M=P × (θmax-θmin)×H×S
M is irrigation quantity, and unit is m3；
P is ground moistening ratio, and unit is percentage；
θmaxIt is the percentage of field capacity for the soil appropriated moisture upper limit in planned moist layer in soil depth；
θminIt is the percentage of field capacity for soil appropriated moisture lower limit in planned moist layer in soil depth；
H is ground moistening layer depth, and unit is m；
S is the area in region of pouring water, and unit is m2。
2. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 1, wherein center control system
System 2 includes database 21, microprocessor 22, Central Control Room 23 and cell-phone customer terminal 24.
3. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 2, wherein the motor-pumped well is intelligently counted
Amount system 3 includes motor-pumped well intelligent metering control terminal 31, water pump 32, flowmeter 33 and GPRS communication module 34, and the GPRS leads to
News module 34 is connected with the database 21, and the microprocessor 22 is connected with the motor-pumped well intelligent metering control terminal 31.
4. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 3, wherein the irrigation system 4 is wrapped
Magnetic valve 41 and drip irrigation system 42 are included, the flowmeter 33 is connected with the magnetic valve 41.
5. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 2, wherein the decision system 1 is wrapped
Many deep soil moisture transducers 11 and GPRS communication module 12 are included, the GPRS communication module 12 connects with the database 21
Connect.
6. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 1, wherein the facilities vegetable bag
Include leaf vegetables, fruit vegetables and melon-fruit-like vegetable.
7. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 6, wherein the leaf vegetables
Soil appropriated moisture lower limit be field capacity 65%-75%, the soil of the fruit vegetables and melon-fruit-like vegetable
Appropriated moisture lower limit is the 75%-85% of field capacity.
8. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 6, wherein for leaf vegetables,
Soil moist layer depth H is 0.2m；For fruit vegetables and melon-fruit-like vegetable, soil moist layer depth H is 0.3m.
9. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 1, wherein the soil suitably contains
The water rate upper limit is the 95%-100% of field capacity.
10. facilities vegetable under-film drip irrigation intelligent irrigation decision system according to claim 1, wherein ground moistening ratio
P takes 80%-90%.
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| CN110754343A (en) * | 2019-10-08 | 2020-02-07 | 京蓝物联技术(北京)有限公司 | Irrigation decision method and device |
| CN111713385A (en) * | 2020-06-01 | 2020-09-29 | 北京农业智能装备技术研究中心 | Automatic irrigation method and system |
| CN111802218A (en) * | 2020-06-01 | 2020-10-23 | 北京农业信息技术研究中心 | Automatic irrigation method and system for fruit trees |
| CN115349432A (en) * | 2022-09-23 | 2022-11-18 | 中联智慧农业股份有限公司 | Intelligent irrigation method and system based on optical radiation and meteorological prediction |
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