CN108575673A - Drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information and system - Google Patents
Drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information and system Download PDFInfo
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- CN108575673A CN108575673A CN201810044457.0A CN201810044457A CN108575673A CN 108575673 A CN108575673 A CN 108575673A CN 201810044457 A CN201810044457 A CN 201810044457A CN 108575673 A CN108575673 A CN 108575673A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/007—Determining fertilization requirements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- 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
Abstract
The embodiment of the present invention discloses a kind of drought-hit area crop irrigation fertilizing method and system based on same day Weather Forecast Information.Including：The Weather Forecast Information on the day of target irrigation district is obtained, crop reference daily evapotranspiration is obtained according to Weather Forecast Information；According to the crop reference daily evapotranspiration on the same day, the crop actual evapotranspiration of accumulation is obtained；The soil weight and water-retaining quantity among field of soil that target irrigation district is obtained using core cutter method calculate soil field pondage according to the soil weight and water-retaining quantity among field of soil obtained；According to the crop actual evapotranspiration and accumulation rainfall of the accumulation, it is poor to obtain Soil storage water；Poor, the decision irrigation volume based on pre-set irrigation judgement factor, soil field pondage and Soil storage water.With the application of the invention, can avoid the problem that carrying out liquid manure decision using sensor technology encounters.
Description
Technical field
The present invention relates to agricultural irrigation fertilizer practice more particularly to a kind of drought-hit area crops based on same day Weather Forecast Information
Fertigation method and system.
Background technology
It is the important field management measure of dry land agriculture production to pour water and apply fertilizer, and is had to plant growth and yield heavy to closing
The effect wanted.The main irrigation decision method based on peasant's experience, based on experience of the irrigation decision of current China's farmland production,
On the one hand it is that the blindness randomness poured water is big, water resource waste is serious, and utilization ratio of pouring water is low；On the other hand it is then China's agricultural
The water shortage problem of production is severe, and only the annual water shortage in irrigation district is just in 30,000,000,000 m3, agricultural production water shortage and irrigating water waste and deposits cash
As extremely serious.In addition, excessive fertilization phenomenon is also commonplace in China, especially crop field cereal crops, peasant are to obtain height
Production, fertilizers input amount is the 2 times or more of crop actual demand amount.Due to lacking mating field irrigation facility, field crop
Fertilizer application mode is mostly spread fertilizer over the fields or ditch spread, causes fertilizer waste serious, labor intensity is big, low production efficiency.In recent years, national also phase
After having put into effect a series of policies, put forth effort the application for promoting the Integration of Water into Fertilizer, and using agricultural water conservation as direction, a strategy
The major issue of property is grabbed.As it can be seen that water-fertilizer integral management is the inexorable trend of modern agricultural development, the control decision irrigated and applied fertilizer
Scheme is the key that then to realize water-fertilizer integral Precision management.
At present in agricultural production, sensor plays in the acquisition and monitoring of soil moisture, fertilizer level and environmental data
Important function, is control system fertigation intelligent decision generally as the key components of Intelligent irrigation system
Major technique rely on.Also there is the Precision Irrigation monitoring system based on Zigbee wireless sensor network technology in current techniques.
But sensor technology has the following problems in use：
1) sensor accuracy：It needs to calibrate sensor and demarcated before use on different substrates/soil；
2) installation site and arrangement quantity：The arrangement point of sensor wants representative, and installation number is as more as possible, especially
It is to be directed to scale agricultural planting region, with greater need for the problem typical for considering sensor mounting location；
3) increase additional effort：Although sensor have the characteristics that in use it is small to environment man's activity,
It needs to rearrange sensor when crop rotation of crops season；
4) cost price：Sensor arrangement quantity directly influences use cost, and wiring is cumbersome, and wireless sensor valence
Lattice are again relatively expensive；
5) there is certain service life, continuous be used for a long time to need that sensor accuracy or circuit are tested and tieed up
Shield, just can guarantee the precision of test.
Invention content
In view of this, the embodiment of the present invention provides a kind of drought-hit area crop irrigation fertilising side based on same day Weather Forecast Information
Method and system can avoid the problem that carrying out liquid manure decision using sensor technology encounters.
The embodiment of the present invention provides a kind of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information, including：
The Weather Forecast Information on the day of target irrigation district is obtained, the Weather Forecast Information is applied to pre-set temperature
Degree method model, obtains crop reference daily evapotranspiration；
According to each crop reference daily evapotranspiration on the same day, the crop actual evapotranspiration of accumulation is obtained；
The soil weight and water-retaining quantity among field of soil that target irrigation district is obtained using core cutter method, according to the soil weight obtained
Soil field pondage is calculated with water-retaining quantity among field of soil；
According to the crop actual evapotranspiration and accumulation rainfall of the accumulation, it is poor to obtain Soil storage water；
Poor, the decision irrigation volume based on pre-set irrigation judgement factor, soil field pondage and Soil storage water.
Preferably, the crop reference daily evapotranspiration is calculated using following formula：
In formula,
ET0iFor i-th day crop reference daily evapotranspiration (mm)；
C0For conversion coefficient；
TimaxFor i-th day highest temperature (DEG C)；
TiminFor i-th day lowest temperature (DEG C)；
Sa(MJ/m is radiated for big pneumatic jack2.d)。
Preferably, the big pneumatic jack is calculated using following formula to radiate：
In formula,
Wherein,
α is the latitude where target irrigation district；
J is number of days.
Preferably, the accumulation rainfall is calculated using following formula：
Wherein,
RaFor the accumulation rainfall (mm) in n days；
RiFor i-th day rainfall (mm).
Preferably, the crop actual evapotranspiration of the accumulation is calculated using following formula：
In formula,
ETnFor the crop actual evapotranspiration (mm) of accumulation；
KcFor pre-set crop coefficient；
ET0iFor i-th day crop reference daily evapotranspiration (mm).
Preferably, soil field pondage is calculated using following formula：
Wf=θ * ρ * h*10
Wherein,
WfFor soil field pondage (mm)；
θ is water-retaining quantity among field of soil (g/g)；
ρ is the soil weight (g/cm3)；
H is depth of soil (cm).
Preferably, poor using the following formula calculating Soil storage water：
ΔWi=ETn-Ra
Wherein,
ΔWiSoil storage water for i moment and i+1 moment is poor (mm).
Preferably, the irrigation volume of following formula decision preset period of time is utilized：
If meeting Δ Wi≥α*Wf, irrigation volume is Δ Wi；Otherwise it does not irrigate.
In formula,
α is to irrigate judgement factor, 0 ＜ α ＜ 1.
A kind of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information provided in an embodiment of the present invention, packet
It includes：
Crop target output is calculated based on crop historical yield and pre-set yield progressive increase rate；
Crop nutrition content demand is obtained based on pre-set crop nutrition content absorption coefficient and the crop target output；
Fertilizer provision from soil amount is obtained using pre-set basal yield and crop nutrition content absorption coefficient；
Based on the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer nutrient content and utilization rate of fertilizer, decision
Crop recommended fertilizer.
A kind of drought-hit area crop irrigation fertilizer apparatus based on same day Weather Forecast Information provided in an embodiment of the present invention, packet
It includes：Crop target output computing module, crop nutrition content demand acquisition module, fertilizer provision from soil amount acquisition module and crop are recommended
Dose decision-making module, wherein
Crop target output computing module is connected with crop nutrition content demand acquisition module；
Crop nutrition content demand acquisition module is also connected with crop recommended fertilizer decision-making module；
Fertilizer provision from soil amount acquisition module is connected with crop recommended fertilizer decision-making module.
A kind of drought-hit area crop irrigation fertilization system based on same day Weather Forecast Information provided in an embodiment of the present invention, packet
It includes：Irrigation rig matches fertile device and control device, wherein
Control device is connected with irrigation rig and with fertile device respectively；
Irrigation rig includes：Main pipeline and field control valve are irrigated in water source, wherein
It irrigates main pipeline with water source to be connected, water source is delivered to multiple field control valves by irrigating main pipeline；
Multiple field control valves are located at the end for irrigating main pipeline, for realizing the fertigation control of field different zones
System；
In parallel with main pipeline is irrigated with fertile device, the inlet and outlet with fertile device are separately positioned on irrigation main pipeline
Downstream and upstream, include with fertile device：Fertilizer applicator, solution bucket, fertilizing pump, complex fertilizer chamber and non-return valve, wherein
Non-return valve is arranged in the water outlet with fertile device, is connected with the upstream mouth of a river for irrigating main pipeline；
Non-return valve is also connected with complex fertilizer chamber；
Complex fertilizer chamber is also connected with fertilizing pump；
Fertilizing pump is also connected with fertilizer applicator；
Fertilizer applicator is also connected with solution bucket, and accesses the downstream mouth of a river for irrigating main pipeline.
Non-return valve for realizing solution one-way flow, and enter irrigate main pipeline；
Complex fertilizer chamber is sufficiently mixed for water and solution；
Fertilizing pump is mounted on the liquid outlet of fertilizer applicator, for extracting the solution in fertilizer applicator and being delivered to complex fertilizer chamber；
The fertilizer of each type is correspondingly arranged a fertilizer applicator, and multiple fertilizer applicators are in parallel, and each fertilizer applicator, which corresponds to, is equipped with a fertilizer
Liquid bucket, and access the downstream mouth of a river for irrigating main pipeline；
Solution bucket is for holding fertilizer stoste；
Control device is electrically connected with irrigation rig and with fertile device respectively, according to the irrigation volume and crop being calculated
The flow data collector of solenoid valve, the keying with fertile solenoid valve and flowmeter is irrigated in recommended fertilizer, control.
Drought-hit area crop irrigation fertilizing method, the apparatus and system based on same day Weather Forecast Information of the embodiment of the present invention,
By the Weather Forecast Information on the day of obtaining target irrigation district, the Weather Forecast Information is applied to pre-set temperature method
Model obtains crop reference daily evapotranspiration；According to each crop reference daily evapotranspiration on the same day, the crop for obtaining accumulation is practical
Evapotranspiration；The soil weight and water-retaining quantity among field of soil that target irrigation district is obtained using core cutter method, according to the soil weight obtained
Soil field pondage is calculated with water-retaining quantity among field of soil；Crop actual evapotranspiration according to the accumulation and accumulation rainfall
It is poor to obtain Soil storage water based on water balance equation for amount；Based on pre-set irrigation judgement factor, soil field pondage with
And Soil storage water is poor, decision irrigation volume, if Δ Wi≥α*Wf, the irrigation volume of decision is Δ Wi.The decision-making technique and fertigation system
System is combined, and avoids numerous drawbacks that current fertigation equipment carries out liquid manure decision based on sensor technology.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the drought-hit area crop irrigation fertilizing method flow signal based on same day Weather Forecast Information of the embodiment of the present invention
Figure；
Fig. 2 is another flow of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information of the embodiment of the present invention
Schematic diagram；
Fig. 3 is the drought-hit area crop irrigation fertilizer apparatus structural representation based on same day Weather Forecast Information of the embodiment of the present invention
Figure；
Fig. 4 is another structure of drought-hit area crop irrigation fertilizer apparatus based on same day Weather Forecast Information of the embodiment of the present invention
Schematic diagram；
Fig. 5 is the drought-hit area crop irrigation fertilization system structural representation based on same day Weather Forecast Information of the embodiment of the present invention
Figure.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is the drought-hit area crop irrigation fertilizing method flow signal based on same day Weather Forecast Information of the embodiment of the present invention
Figure.As shown in Figure 1, this method includes：
Step 101, the Weather Forecast Information on the day of target irrigation district is obtained, the Weather Forecast Information is applied to advance
The temperature method model of setting, obtains crop reference daily evapotranspiration；
In the present embodiment, the Weather Forecast Information for obtaining the same day can be inquired by Internet communication technology.
In the present embodiment, as an alternative embodiment, Weather Forecast Information includes：Minimum temperature, maximum temperature and drop
Rainfall.
In the present embodiment, by extracting the letters such as same day minimum temperature, maximum temperature and rainfall from Weather Forecast Information
Breath, using temperature method model, for example, Hargreaves-Samani method models carry out crop reference daily evapotranspiration estimation.
In the present embodiment, as an alternative embodiment, crop reference daily evapotranspiration is calculated using following formula：
In formula,
ET0iFor i-th day crop reference daily evapotranspiration (mm)；
C0For conversion coefficient；
TimaxFor i-th day highest temperature (DEG C)；
TiminFor i-th day lowest temperature (DEG C)；
Sa(MJ/m is radiated for big pneumatic jack2.d)。
In the present embodiment, as an alternative embodiment, calculates big pneumatic jack using following formula and radiate：
In formula,
Wherein,
α is the latitude where target irrigation district；
J is number of days, is one day between 1 (January 1)~365 or 366 (December 31).
In the present embodiment, GPS positioning technology can be utilized to obtain at target irrigation district scene as an alternative embodiment
Latitude where target irrigation district.
In the present embodiment, as an alternative embodiment, accumulation rainfall can obtain according to the following formula：
Wherein,
RaFor the accumulation rainfall (mm) in first n days (being irrigated from last time to the same day)；
RiFor i-th day rainfall (mm).
Step 102, according to each crop reference daily evapotranspiration on the same day, the crop actual evapotranspiration of accumulation is obtained；
In the present embodiment, as an alternative embodiment, the crop actual evapotranspiration of accumulation is calculated according to following formula：
In formula,
ETnFor the crop actual evapotranspiration (mm) of accumulation, i.e., the crop actual evapotranspiration accumulated since last time irrigates；
KcFor pre-set crop coefficient；
ET0iFor i-th day crop reference daily evapotranspiration (mm).
Step 103, the soil weight and water-retaining quantity among field of soil that target irrigation district is obtained using core cutter method, according to what is obtained
The soil weight and water-retaining quantity among field of soil calculate soil field pondage；
In the present embodiment, as an alternative embodiment, which can also be before step 102, alternatively, in step 101
Before, the present embodiment does not limit this.
In the present embodiment, as an alternative embodiment, the soil weight and field capacity can be the numbers of 0-20cm soil layers
According to, can also be the 0-100cm soil bodys data (every 20cm be one layer), what is calculated in this way is 0-20cm soil layers respectively
The soil field pondage of soil field pondage or 0-100cm.
In the present embodiment, as an alternative embodiment, soil field pondage is calculated using following formula：
Wf=θ * ρ * h*10
Wherein,
WfFor soil field pondage (mm)；
θ is water-retaining quantity among field of soil (g/g)；
ρ is the soil weight (g/cm3)；
H is depth of soil (cm).
Step 104, according to the crop actual evapotranspiration of the accumulation and accumulation rainfall, it is poor to obtain Soil storage water；
In the present embodiment, for the farmland of drought-hit area, for the water-saving irrigation system of the present embodiment, not
In the case of the rainwash, deep percolation and the recharge of ground water that consider moisture, Soil storage water difference can be according to following simplification
Water balance equation formulations calculate：
ΔWi=ETn-Ra
Wherein,
ΔWiSoil storage water for i moment and i+1 moment is poor (mm), is the soil out of i moment to the i+1 moment this period
The difference of earth pondage.
Step 105, it is poor that pre-set irrigation judgement factor, soil field pondage and Soil storage water are based on, decision
Irrigation volume.
In the present embodiment, as an alternative embodiment, based on pre-set irrigation judgement factor, soil field pondage
And Soil storage water is poor, the irrigation volume of decision preset period of time includes：
Calculate the product for irrigating judgement factor and soil field pondage；
Judge whether Soil storage water difference is more than the product, irrigated if so, starting, the irrigation quantity of irrigation is the soil
Water storage is poor, otherwise, does not start irrigation.
In the present embodiment, if：
ΔWi≥α*Wf
In formula,
α is to irrigate judgement factor, and 0 ＜ α ＜ 1, irrigation quantity is Δ Wi.In the present embodiment, as an alternative embodiment,To be best, i.e., using the standard of water-retaining quantity among field of soil 60%-80% as the factor for judging whether that startup is irrigated
(irrigating judgement factor).
In the present embodiment, as an alternative embodiment, this method can also include：
A11 calculates crop target output based on crop historical yield and pre-set yield progressive increase rate；
A12, obtaining crop nutrition content based on pre-set crop nutrition content absorption coefficient and the crop target output needs
The amount of asking；
A13 obtains fertilizer provision from soil amount using pre-set basal yield and crop nutrition content absorption coefficient；
A14 is based on the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer nutrient content and utilization rate of fertilizer,
Decision crop recommended fertilizer.
Fig. 2 is another flow of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information of the embodiment of the present invention
Schematic diagram.As shown in Fig. 2, this method is used to provide the decision of crop recommended fertilizer in process of crop growth, including：
Step 201, it is based on crop historical yield and pre-set yield progressive increase rate calculates crop target output；
In the present embodiment, crop target output is estimated according to the following formula：
In formula,
YtFor crop target output (kg/ mus)；
β is yield progressive increase rate；
Yt1、Yt2、Yt3Preceding crop yield in 3 years (kg/ mus), i.e. crop historical yield respectively under normal weather conditions,
The average crop yield of Q before it is contemplated that, wherein Q is natural number, and the present embodiment does not limit this.
In the present embodiment, as an alternative embodiment, for cereal crops, β=15%.
Step 202, it is based on pre-set crop nutrition content absorption coefficient and the crop target output obtains crop and supports
Divide demand；
In the present embodiment, crop nutrition content demand is obtained according to following formula：
In formula,
FyFor crop nutrition content demand (kg/ mus)；
F100For crop nutrition content absorption coefficient (kg).
In the present embodiment, different crops, corresponding crop nutrition content demand and crop nutrition content absorption coefficient are also different.
In the present embodiment, as an alternative embodiment, crop nutrition content demand is crop to nitrogen (N), phosphorus (P2O5), potassium
(K2The demand of nutrients such as O).
Step 203, fertilizer provision from soil amount is obtained using pre-set basal yield and crop nutrition content absorption coefficient；
In the present embodiment, fertilizer provision from soil amount is calculated using following formula：
In formula,
FsFor fertilizer provision from soil amount (kg/ mus)；
Y0It is the plot in the yield that do not apply fertilizer for the yield that do not apply fertilizer for basic yield (kg/ mus).
Target output is the yield reached by plan of fertilizer application.
Step 204, the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer nutrient content and fertilizer profit are based on
With rate, decision crop recommended fertilizer.
In the present embodiment, crop recommended fertilizer is calculated using following formula：
Wherein,
F is crop recommended fertilizer (kg/ mus)；
FcFor N, P in fertilizer2O5And K2The nutrient content (%) of O；
FuFor utilization rate of fertilizer (%).
The embodiment of the present invention proposes a kind of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information, by obtaining
The weather forecast information for taking the same day, calculates the daily water demand of crop, when the water demand of crop of accumulation meets irrigation conditions in real time
When, just start to pour water, it is related with the Irrigation coefficient of setting how long specific interval pours water.Can to the irrigation of drought-hit area crop into
The accurate application of row intelligent decision and water-fertilizer integral, the blindness for avoiding fertigation are determined with using sensor technology
The drawbacks of plan, increases substantially liquid manure utilization ratio to realize intelligence, the fine-grained management of drought-hit area crops liquid manure, drop
Low labor intensity.Avoid the blindness randomness of current field crops fertigation decision strong, the labor intensity of fertigation is big,
Liquid manure utilization ratio is low and sensor technology existing series of problems in the application.
Fig. 3 is the drought-hit area crop irrigation fertilizer apparatus structural representation based on same day Weather Forecast Information of the embodiment of the present invention
Figure.As shown in figure 3, the device includes：Crop reference daily evapotranspiration and rainfall computing module 31, crop actual evapotranspiration obtain
Module 32, soil field pondage computing module 34, Soil storage water difference acquisition module 33 and irrigation volume decision-making module 35,
In,
Crop reference daily evapotranspiration and rainfall computing module 31 respectively with crop actual evapotranspiration acquisition module 32 and
Soil storage water difference acquisition module 33 is connected；
Crop actual evapotranspiration acquisition module 32 is also connected with Soil storage water difference acquisition module 33；
Soil field pondage computing module 34 is connected with irrigation volume decision-making module 35；
Soil storage water difference acquisition module 33 is also connected with irrigation volume decision-making module 35.
In the present embodiment, crop reference daily evapotranspiration and rainfall computing module 31, on the day of obtaining target irrigation district
Weather Forecast Information, by the Weather Forecast Information be applied to pre-set temperature method model, obtain crop reference day steaming
Dissipate amount, output to crop actual evapotranspiration acquisition module 32；
In the present embodiment, as an alternative embodiment, crop reference daily evapotranspiration and rainfall computing module 31 include：Gas
(in figure not as forecast information acquiring unit, extraction unit, crop reference daily evapotranspiration computing unit and rainfall computing unit
Show), wherein
Weather Forecast Information acquiring unit is connected with extraction unit and rainfall computing unit respectively；
Extraction unit is also connected with crop reference daily evapotranspiration computing unit.
Weather Forecast Information acquiring unit, for the Weather Forecast Information on the day of obtaining target irrigation district；
Extraction unit, it is daily meteorological pre- in the Weather Forecast Information for being extracted from Weather Forecast Information acquiring unit
It notifies breath, output to crop reference daily evapotranspiration computing unit；
Crop reference daily evapotranspiration computing unit, the daily Weather Forecast Information for that will extract are applied to pre-set
Temperature method model obtains crop reference daily evapotranspiration；
In the present embodiment, as an alternative embodiment, the crop reference daily evapotranspiration is calculated using following formula：
In formula,
ET0iFor i-th day crop reference daily evapotranspiration (mm)；
C0For conversion coefficient；
TimaxFor i-th day highest temperature (DEG C)；
TiminFor i-th day lowest temperature (DEG C)；
Sa(MJ/m is radiated for big pneumatic jack2.d)。
In the present embodiment, calculates the big pneumatic jack using following formula and radiate：
In formula,
Wherein,
α is the latitude where target irrigation district；
J is number of days.
Rainfall computing unit, for obtaining the accumulation rainfall according to Weather Forecast Information.
In the present embodiment, as an alternative embodiment, the accumulation rainfall is calculated using following formula：
Wherein,
RaFor the accumulation rainfall (mm) in n days；
RiFor i-th day rainfall (mm).
Crop actual evapotranspiration acquisition module 32 obtains tired for each crop reference daily evapotranspiration according to the same day
Long-pending crop actual evapotranspiration；
In the present embodiment, as an alternative embodiment, crop actual evapotranspiration acquisition module 32 includes：Traversal Unit is asked
Product unit and cumulative unit (not shown), wherein
Traversal Unit is connected with quadrature unit；
Quadrature unit is also connected with cumulative unit.
Traversal Unit, for extracting crop reference daily evapotranspiration successively from each crop reference daily evapotranspiration, output is to asking
Product unit；
Quadrature unit, for according to pre-set crop coefficient, calculating to multiply with the crop reference daily evapotranspiration of input
Product, output to cumulative unit；
Cumulative unit is summed for the product to input, obtains the crop actual evapotranspiration of accumulation.
In the present embodiment, as an alternative embodiment, the crop actual evapotranspiration of the accumulation is calculated using following formula：
In formula,
ETnFor the crop actual evapotranspiration (mm) of accumulation；
KcFor pre-set crop coefficient；
ET0iFor i-th day crop reference daily evapotranspiration (mm).
Soil field pondage computing module 34, the soil weight and soil for obtaining target irrigation district using core cutter method
Field capacity calculates soil field pondage, output to irrigation volume according to the soil weight and water-retaining quantity among field of soil obtained
Decision-making module 35；
In the present embodiment, as an alternative embodiment, soil field pondage is calculated using following formula：
Wf=θ * ρ * h*10
Wherein,
WfFor soil field pondage (mm)；
θ is water-retaining quantity among field of soil (g/g)；
ρ is the soil weight (g/cm3)；
H is depth of soil (cm).
Soil storage water difference acquisition module 33 is used for crop actual evapotranspiration and accumulation rainfall according to the accumulation,
It is poor to obtain Soil storage water, output to irrigation volume decision-making module 35；
In the present embodiment, as an alternative embodiment, it is poor to calculate the Soil storage water using following formula：
ΔWi=ETn-Ra
Wherein,
ΔWiSoil storage water for i moment and i+1 moment is poor (mm).
Irrigation volume decision-making module 35, for being based on pre-set irrigation judgement factor, soil field pondage and soil
Earth water storage is poor, decision irrigation volume.
In the present embodiment, as an alternative embodiment, irrigation volume decision-making module 35 includes：Product unit, judging unit, filling
The amount of irrigating decision package and irrigate not start unit (not shown), wherein
Product unit is connected with judging unit；
Also start unit is not connected judging unit with irrigation volume decision package and irrigation respectively.
Product unit is exported for calculating the product for irrigating judgement factor and soil field pondage to sentencing
Disconnected unit；
Judging unit, for judging whether Soil storage water difference is more than the product, if so, notice irrigation volume decision list
Member；If not, notice irrigates not start unit；
Irrigation volume decision package is irrigated for starting according to the notice received, and the irrigation quantity of irrigation is the Soil storage water
Difference；
Not start unit is irrigated, for not starting irrigation according to the notice received.
In the present embodiment, as an alternative embodiment, which further includes：Crop target output computing module, crop are supported
Divide demand acquisition module, fertilizer provision from soil amount acquisition module and crop recommended fertilizer decision-making module (not shown),
In,
Crop target output computing module is connected with crop nutrition content demand acquisition module；
Crop nutrition content demand acquisition module is also connected with crop recommended fertilizer decision-making module；
Fertilizer provision from soil amount acquisition module is connected with crop recommended fertilizer decision-making module.
Crop target output computing module, for being calculated based on crop historical yield and pre-set yield progressive increase rate
Crop target output, output to crop nutrition content demand acquisition module；
In the present embodiment, as an alternative embodiment, crop target output computing module includes：Crop historical yield is summed
Unit, crop historical yield averaging unit and crop target output computing unit, wherein
Crop historical yield summation unit is connected with crop historical yield averaging unit；
Crop historical yield averaging unit is also connected with crop target output computing unit.
Crop historical yield summation unit, for calculate each crop historical yield and value, output to crop historical yield
Averaging unit；
Crop historical yield averaging unit, for the number according to crop historical yield, the mean value for calculating and being worth, output is extremely
Crop target output computing unit；
Crop target output computing unit, for calculating crop based on the mean value and pre-set yield progressive increase rate
Target output.
Crop nutrition content demand acquisition module, for being based on pre-set crop nutrition content absorption coefficient and the crop
Target output obtains crop nutrition content demand, output to crop recommended fertilizer decision-making module；
In the present embodiment, as an alternative embodiment, crop nutrition content demand is crop to nitrogen (N), phosphorus (P2O5), potassium
(K2The demand of nutrients such as O).
Crop nutrition content demand acquisition module, for utilizing pre-set basal yield and crop nutrition content absorption coefficient
Obtain fertilizer provision from soil amount, output to crop recommended fertilizer decision-making module；
Crop recommended fertilizer decision-making module, for based on the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer
Nutrient content and utilization rate of fertilizer, decision crop recommended fertilizer.
In the present embodiment, as an alternative embodiment, crop recommended fertilizer decision-making module includes：Difference computational unit,
Product acquiring unit and crop recommended fertilizer decision package, wherein
Difference computational unit is connected with crop recommended fertilizer decision package；
Product acquiring unit is connected with crop recommended fertilizer decision package；
Difference computational unit, the difference for calculating the crop nutrition content demand and the fertilizer provision from soil amount, output is extremely
Crop recommended fertilizer decision package；
Product acquiring unit, the product for calculating fertilizer nutrient content and utilization rate of fertilizer, output to crop are recommended to apply
Fertilizer amount decision package；
Crop recommended fertilizer decision package is used for the quotient of calculating difference and product, obtains crop recommended fertilizer.
Fig. 4 is another structure of drought-hit area crop irrigation fertilizer apparatus based on same day Weather Forecast Information of the embodiment of the present invention
Schematic diagram.As shown in figure 4, the device includes：Crop target output computing module 41, crop nutrition content demand acquisition module 42,
Fertilizer provision from soil amount acquisition module 43 and crop recommended fertilizer decision-making module 44, wherein
Crop target output computing module 41 is connected with crop nutrition content demand acquisition module 42；
Crop nutrition content demand acquisition module 42 is also connected with crop recommended fertilizer decision-making module 44；
Fertilizer provision from soil amount acquisition module 43 is connected with crop recommended fertilizer decision-making module 44.
Crop target output computing module 41, based on based on crop historical yield and pre-set yield progressive increase rate
It can be regarded as object target output, output to crop nutrition content demand acquisition module 42；
In the present embodiment, as an alternative embodiment, crop target output computing module 41 includes：Crop historical yield is asked
With unit, crop historical yield averaging unit and crop target output computing unit (not shown), wherein
Crop historical yield summation unit is connected with crop historical yield averaging unit；
Crop historical yield averaging unit is also connected with crop target output computing unit.
Crop historical yield summation unit, for calculate each crop historical yield and value, output to crop historical yield
Averaging unit；
Crop historical yield averaging unit, for the number according to crop historical yield, the mean value for calculating and being worth, output is extremely
Crop target output computing unit；
Crop target output computing unit, for calculating crop based on the mean value and pre-set yield progressive increase rate
Target output.
In the present embodiment, crop target output is estimated according to the following formula：
In formula,
YtFor crop target output (kg/ mus)；
β is yield progressive increase rate；
Yt1、Yt2、Yt3Preceding crop yield in 3 years (kg/ mus), i.e. crop historical yield respectively under normal weather conditions.
Crop nutrition content demand acquisition module 42, for being based on pre-set crop nutrition content absorption coefficient and the work
Object target output obtains crop nutrition content demand, output to crop recommended fertilizer decision-making module 44；
In the present embodiment, as an alternative embodiment, crop nutrition content demand is obtained according to following formula：
In formula,
FyFor crop nutrition content demand (kg/ mus)；
F100For crop nutrition content absorption coefficient (kg).
In the present embodiment, as an alternative embodiment, crop nutrition content demand is crop to nitrogen (N), phosphorus (P2O5), potassium
(K2The demand of nutrients such as O).
Fertilizer provision from soil amount acquisition module 43, for being obtained using pre-set basal yield and crop nutrition content absorption coefficient
Take fertilizer provision from soil amount, output to crop recommended fertilizer decision-making module 44；
In the present embodiment, fertilizer provision from soil amount is calculated using following formula：
In formula,
FsFor fertilizer provision from soil amount (kg/ mus)；
Y0For basic yield (kg/ mus).
Crop recommended fertilizer decision-making module 44, for based on the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer
Expect nutrient content and utilization rate of fertilizer, decision crop recommended fertilizer.
In the present embodiment, as an alternative embodiment, crop recommended fertilizer decision-making module 44 includes：Mathematic interpolation list
Member, product acquiring unit and crop recommended fertilizer decision package (not shown), wherein
Difference computational unit is connected with crop recommended fertilizer decision package；
Product acquiring unit is connected with crop recommended fertilizer decision package；
Difference computational unit, the difference for calculating the crop nutrition content demand and the fertilizer provision from soil amount, output is extremely
Crop recommended fertilizer decision package；
Product acquiring unit, the product for calculating fertilizer nutrient content and utilization rate of fertilizer, output to crop are recommended to apply
Fertilizer amount decision package；
Crop recommended fertilizer decision package is used for the quotient of calculating difference and product, obtains crop recommended fertilizer.
In the present embodiment, crop recommended fertilizer is calculated using following formula：
Wherein,
F is crop recommended fertilizer (kg/ mus)；
FcFor N, P in fertilizer2O5And K2The nutrient content (%) of O；
FuFor utilization rate of fertilizer (%).
In the present embodiment, as an alternative embodiment, which further includes：
Result display module (not shown), for providing interactive interface, to show crop recommended fertilizer decision model
The crop recommended fertilizer of block decision.
, can be according to actual demand and property easy to use in the present embodiment, result display module is in different forms in interaction
Interface display result.For example, can directly display irrigation volume, crop that decision obtains in the user interface in interactive interface and push away
Recommend dose and fertilising strategy；It can also show that crop is recommended by pictorial manner in the user interface in interactive interface
Dose；To be directly published to server or in the form of short breath it can inform manager.
Drought-hit area crop irrigation fertilizer apparatus provided in this embodiment based on same day Weather Forecast Information, utilizes information skill
Art carries out arid area Actual evapotranspiration on crop fields estimation using Hargreaves formula by primary variables of Weather Forecast Information,
And based on actual evapotranspiration estimation irrigation volume and recommend liquid manure supply tactful (crop recommended fertilizer), it can be to drought-hit area crop
Irrigation carry out the accurate application of intelligent decision and water-fertilizer integral, avoid the blindness of current field crops fertigation decision
Randomness is strong, and the labor intensity of fertigation is big, and liquid manure utilization ratio is low and sensor technology is existing serial in the application
Problem.
Fig. 5 is the drought-hit area crop irrigation fertilization system structural representation based on same day Weather Forecast Information of the embodiment of the present invention
Figure.As shown in figure 5, the system includes：Irrigation rig matches fertile device and control device, wherein
Control device is connected with irrigation rig and with fertile device respectively；
Irrigation rig includes：Main pipeline 3 and field control valve 4 are irrigated in water source 2, wherein
It irrigates main pipeline 3 with water source 2 to be connected, water source 2 is delivered to multiple field control valves 4 by irrigating main pipeline 3；
Multiple field control valves 4 are located at the end for irrigating main pipeline 3, for realizing the fertigation of field different zones
Control；
In parallel with main pipeline 3 is irrigated with fertile device, the inlet and outlet with fertile device are separately positioned on irrigation supervisor
The downstream and upstream in road 3 include with fertile device：Fertilizer applicator 8, solution bucket 9, fertilizing pump 10, complex fertilizer chamber 11 and non-return valve 15,
In,
Non-return valve 15 is arranged in the water outlet with fertile device, is connected with the upstream mouth of a river for irrigating main pipeline 3；
Non-return valve 15 is also connected with complex fertilizer chamber 11；
Complex fertilizer chamber 11 is also connected with fertilizing pump 10；
Fertilizing pump 10 is also connected with fertilizer applicator 8；
Fertilizer applicator 8 is also connected with solution bucket 9, and accesses the downstream mouth of a river for irrigating main pipeline 3.
Non-return valve 15 for realizing solution one-way flow, and enter irrigate main pipeline 3；
Complex fertilizer chamber 11 is sufficiently mixed for water and solution；
Fertilizing pump 10 is mounted on the liquid outlet of fertilizer applicator 8, for extracting the solution in fertilizer applicator 8 and being delivered to complex fertilizer chamber
11；
The fertilizer of each type is correspondingly arranged a fertilizer applicator 8, and multiple fertilizer applicators 8 are in parallel, and each fertilizer applicator 8, which corresponds to, is equipped with one
Solution bucket 9, and access the downstream mouth of a river for irrigating main pipeline 3；
Solution bucket 9 is for holding fertilizer stoste；
Control device is electrically connected with irrigation rig and with fertile device respectively, according to the irrigation volume and crop being calculated
The flow data collector of solenoid valve 6, the keying with fertile solenoid valve 14 and flowmeter 7 is irrigated in recommended fertilizer, control.
In the present embodiment, as an alternative embodiment, irrigation rig further includes：First filter 5, irrigate solenoid valve 6 with
And flowmeter 7, wherein
Between main pipeline 3 and water source 2, it is sequentially connected in series first filter 5 and irrigates solenoid valve 6, the setting of flowmeter 7 exists
It irrigates between main pipeline 3 and field control valve 4；
First filter 5 will cross drainage and be delivered to irrigation solenoid valve 6 for being filtered to the water inlet from water source 2；
Solenoid valve 6 is irrigated for controlling the water inlet from water source 2；
Flowmeter 7 is used to measure and record the duty for the field control valve 4 for flowing into field plots.
In the present embodiment, as an alternative embodiment, first filter 5 can be sandrock filter, or recoil
Wash filter.
In the present embodiment, as an alternative embodiment, the output end of field control valve 4 is connected with drip irrigation zone or micro- spray
Band.
In the present embodiment, as an alternative embodiment, fertilizer applicator 8 can be Development of Venturi Fertilizer Applicator.
In the present embodiment, as an alternative embodiment, can also include with fertile device：Solenoid valve 12 and the second filter
13, wherein
Solenoid valve 12 is arranged at the liquid outlet of solution bucket 9, and the unlatching for controlling fertilizer stoste in solution bucket 9 conveys
And terminate conveying；
Second filter 13, is arranged in series between fertilizer applicator 8 and solenoid valve 12, the fertilizer for being conveyed to solution bucket 9
Stoste is filtered.
In the present embodiment, as another alternative embodiment, can also include with fertile device：
With fertile solenoid valve 14, the downstream mouth of a river of main pipeline 3, the input terminal of output end and fertilizer applicator 8 are irrigated in input terminal access
It is connected, for accessing irrigation water from the downstream mouth of a river for irrigating main pipeline 3 to configure fertilizer in fertilizer applicator 8.
In the present embodiment, solution bucket 9 is for holding the fertilizer stoste such as N P and K, as an alternative embodiment, nitrogen, phosphorus and potassium fertilizer
Material is respectively with soluble urea, phosphoric acid diamines and potassium sulfate.Valve (electricity is also in series between fertilizer applicator 8 and solution bucket 9
Magnet valve) 12 and second filter 13.Fertilizing pump 10 is mounted on the liquid outlet of fertilizer applicator 8, after complex fertilizer chamber 11 is connected on fertilizing pump 9
Face, complex fertilizer chamber 11 are sufficiently mixed for water and solution.
In the present embodiment, installed respectively with fertile solenoid valve 14 and non-return valve 15 in the inlet and outlet with fertile device,
It is used to control the water inlet with system of applying with fertile solenoid valve 14, the one-way flow of solution may be implemented in non-return valve 15, and enters and irrigate
Main pipeline 3.
In the present embodiment, as an alternative embodiment, it is mounted on and is irrigated between solenoid valve 6 and flowmeter 7 with fertile device.
In the present embodiment, as an alternative embodiment, Weather Forecast Information includes maximum temperature, minimum temperature and rainfall
Amount.
In the present embodiment, as an alternative embodiment, it can be compiled based on pc client or the data Layer of mobile client
It programs, using China Meteorological Administration's weather forecast api interface, executes the Weather Forecast Information that HTTP POST operations obtain the same day
(JSON data), then, the Weather Forecast Information obtained by parsing (JSON parsings) splits JSON key/value pair, obtains Dan Yin
Sub- Meteorological Elements, for example, maximum temperature, minimum temperature and rainfall, while it being stored in MySQL database, subsequently apply fertilizer
When decision, Weather Forecast Information is read from MySQL database, is inputted in the mathematical model of the present embodiment structure, mathematical model
By operational decisions, the result of decision is exported, and interface is write by Javaweb and is published in Tomcat, local host computer is long-range
It obtains data and controls fertilization system.
The specific implementation of the drought-hit area crop irrigation fertilization system based on same day Weather Forecast Information of the embodiment of the present invention
Cheng Wei：It when meeting irrigation conditions, is opened by control device 1 and irrigates solenoid valve 6, irrigation water is direct by field control valve 4
Into field, and is counted by the flow of flowmeter 7 and determine irrigation dwell time.When needing fertilising, root crop is recommended first
Dose divides breeding time that nitrogen, phosphorus and potassium fertilizer is dissolved into solution bucket；All solenoid valves by 1 open system of control device with apply
Fertilizer pump 10, a part of irrigation water irrigated in main pipeline 3 are directly entered field, and another part irrigation water passes through with fertile solenoid valve 14
Into with fertile device, when high pressure water flow passes through fertilizer applicator 8, solution is inhaled into fertilizer applicator 8 by solution bucket 9, in fertilizing pump 10
Under effect, solution enters back into complex fertilizer chamber 11, enters after being sufficiently mixed of complex fertilizer chamber 11 and irrigates main pipeline 3.It follows repeatedly
Ring greatly improves liquid manure utilization ratio and labor productivity to realize the accurate application of water-fertilizer integral.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, all answer by the change or replacement that can be readily occurred in
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information, which is characterized in that including：
The Weather Forecast Information on the day of target irrigation district is obtained, the Weather Forecast Information is applied to pre-set temperature method
Model obtains crop reference daily evapotranspiration；
According to each crop reference daily evapotranspiration on the same day, the crop actual evapotranspiration of accumulation is obtained；
The soil weight and water-retaining quantity among field of soil that target irrigation district is obtained using core cutter method, according to the soil weight and soil obtained
Earth field capacity calculates soil field pondage；
According to the crop actual evapotranspiration and accumulation rainfall of the accumulation, it is poor to obtain Soil storage water；
Poor, the decision irrigation volume based on pre-set irrigation judgement factor, soil field pondage and Soil storage water.
2. the drought-hit area crop irrigation fertilizing method according to claim 1 based on same day Weather Forecast Information, feature exist
In utilizing following formula to calculate the crop reference daily evapotranspiration：
In formula,
ET0iFor i-th day crop reference daily evapotranspiration (mm)；
C0For conversion coefficient；
TimaxFor i-th day highest temperature (DEG C)；
TiminFor i-th day lowest temperature (DEG C)；
Sa(MJ/m is radiated for big pneumatic jack2.d)。
3. the drought-hit area crop irrigation fertilizing method according to claim 2 based on same day Weather Forecast Information, feature exist
In utilizing following formula to calculate the big pneumatic jack radiation：
In formula,
Wherein,
α is the latitude where target irrigation district；
J is number of days.
4. the drought-hit area crop irrigation fertilizing method according to any one of claims 1 to 3 based on same day Weather Forecast Information,
It is characterized in that, calculating the accumulation rainfall using following formula：
Wherein,
RaFor the accumulation rainfall (mm) in n days；
RiFor i-th day rainfall (mm).
5. the drought-hit area crop irrigation fertilizing method according to any one of claims 1 to 4 based on same day Weather Forecast Information,
It is characterized in that, calculating the crop actual evapotranspiration of the accumulation using following formula：
In formula,
ETnFor the crop actual evapotranspiration (mm) of accumulation；
KcFor pre-set crop coefficient；
ET0iFor i-th day crop reference daily evapotranspiration (mm).
6. the drought-hit area crop irrigation fertilizing method according to claim 1 based on same day Weather Forecast Information, feature exist
In, utilize following formula calculate soil field pondage：
Wf=θ * ρ * h*10
Wherein,
WfFor soil field pondage (mm)；
θ is water-retaining quantity among field of soil (g/g)；
ρ is the soil weight (g/cm3)；
H is depth of soil (cm).
7. the drought-hit area crop irrigation fertilizing method according to claim 1 based on same day Weather Forecast Information, feature exist
In poor using the following formula calculating Soil storage water：
ΔWi=ETn-Ra
Wherein,
ΔWiSoil storage water for i moment and i+1 moment is poor (mm).
8. a kind of drought-hit area crop irrigation fertilizing method based on same day Weather Forecast Information, which is characterized in that including：
Crop target output is calculated based on crop historical yield and pre-set yield progressive increase rate；
Crop nutrition content demand is obtained based on pre-set crop nutrition content absorption coefficient and the crop target output；
Fertilizer provision from soil amount is obtained using pre-set basal yield and crop nutrition content absorption coefficient；
Based on the crop nutrition content demand, the fertilizer provision from soil amount, fertilizer nutrient content and utilization rate of fertilizer, decision crop
Recommended fertilizer.
9. a kind of drought-hit area crop irrigation fertilizer apparatus based on same day Weather Forecast Information, which is characterized in that including：Crop target
Production rate module, crop nutrition content demand acquisition module, fertilizer provision from soil amount acquisition module and crop recommended fertilizer decision
Module, wherein
Crop target output computing module is connected with crop nutrition content demand acquisition module；
Crop nutrition content demand acquisition module is also connected with crop recommended fertilizer decision-making module；
Fertilizer provision from soil amount acquisition module is connected with crop recommended fertilizer decision-making module.
10. a kind of drought-hit area crop irrigation fertilization system based on same day Weather Forecast Information, which is characterized in that including：Irrigate dress
It sets, with fertile device and control device, wherein
Control device is connected with irrigation rig and with fertile device respectively；
Irrigation rig includes：Main pipeline and field control valve are irrigated in water source, wherein
It irrigates main pipeline with water source to be connected, water source is delivered to multiple field control valves by irrigating main pipeline；
Multiple field control valves are located at the end for irrigating main pipeline, are controlled for realizing the fertigation of field different zones；
In parallel with main pipeline is irrigated with fertile device, the inlet and outlet with fertile device, which are separately positioned on, irrigates under main pipeline
Trip and upstream include with fertile device：Fertilizer applicator, solution bucket, fertilizing pump, complex fertilizer chamber and non-return valve, wherein
Non-return valve is arranged in the water outlet with fertile device, is connected with the upstream mouth of a river for irrigating main pipeline；
Non-return valve is also connected with complex fertilizer chamber；
Complex fertilizer chamber is also connected with fertilizing pump；
Fertilizing pump is also connected with fertilizer applicator；
Fertilizer applicator is also connected with solution bucket, and accesses the downstream mouth of a river for irrigating main pipeline.
Non-return valve for realizing solution one-way flow, and enter irrigate main pipeline；
Complex fertilizer chamber is sufficiently mixed for water and solution；
Fertilizing pump is mounted on the liquid outlet of fertilizer applicator, for extracting the solution in fertilizer applicator and being delivered to complex fertilizer chamber；
The fertilizer of each type is correspondingly arranged a fertilizer applicator, and multiple fertilizer applicators are in parallel, and each fertilizer applicator, which corresponds to, is equipped with a solution bucket,
And access the downstream mouth of a river for irrigating main pipeline；
Solution bucket is for holding fertilizer stoste；
Control device is electrically connected with irrigation rig and with fertile device respectively, is recommended according to the irrigation volume and crop being calculated
The flow data collector of solenoid valve, the keying with fertile solenoid valve and flowmeter is irrigated in dose, control.
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| CN115039676B (en) * | 2022-06-27 | 2024-03-29 | 东方智感(浙江)科技股份有限公司 | Irrigation method and system |
| CN116380708A (en) * | 2023-02-22 | 2023-07-04 | 北京市农林科学院智能装备技术研究中心 | Irrigation quantity prediction method, device, system, equipment and medium |
| CN116380708B (en) * | 2023-02-22 | 2024-02-06 | 北京市农林科学院智能装备技术研究中心 | Irrigation quantity prediction method, device, system, equipment and medium |
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