CN109258417A - A kind of automatic irrigation method - Google Patents
A kind of automatic irrigation method Download PDFInfo
- Publication number
- CN109258417A CN109258417A CN201811488000.5A CN201811488000A CN109258417A CN 109258417 A CN109258417 A CN 109258417A CN 201811488000 A CN201811488000 A CN 201811488000A CN 109258417 A CN109258417 A CN 109258417A
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- China
- Prior art keywords
- douche
- crop
- water
- soil
- water consumption
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Mining
Abstract
The invention discloses a kind of automatic irrigation methods comprising following steps: S1, type, the soil types for obtaining crop, local history maximum water consumption of the crop in each growth phase；The related data of douche is obtained, and obtains meteorological data；S2, the water-holding capacity for obtaining soil and effective water allow loss amount；Obtain pour water intensity and the regulation coefficient of douche；S3, the current minimum irrigation demand of the soil is obtained；Crop is obtained in the water consumption of current growth phase；S4, judge whether the current water consumption of crop is more than or equal to minimum irrigation demand, if then obtaining according to the water consumption of the regulation coefficient of douche and crop to duty；Otherwise return step S3；S5, it is obtained irrigating duration according to the intensity of pouring water to duty and douche, resetting crop is realized in the water consumption and return step S3 of current growth phase and continues automatic irrigation.This method is more practically applicable to large area plantation, can effectively save irrigation water.
Description
Technical field
The present invention relates to field of agricultural irrigation, and in particular to a kind of automatic irrigation method.
Background technique
Irrigation management software on currently internal and international with manually opened valve and gives one regular time of valve
Mode is irrigated, and there is no be really associated with crop water consumption situation.Its duty is equivalent to artificial experience, for water-saving
There is also a certain distance in terms of irrigating with high crop yield.And it is more scientific by the irrigation that the true water consumption situation of crop carries out
Rationally.The true water consumption of crop passes through to be determined by evaporation and calculating method (Penman formula) and soil moisture content monitoring method.
Although soil moisture content monitoring method is accurate, there can only be true reflection to local soil and crop, not for large area crop
It is representative.Therefore, macroscopical calculating method is with more practical guidance and function definition.
Summary of the invention
For above-mentioned deficiency in the prior art, a kind of automatic irrigation method provided by the invention solves existing irrigation skill
Art is not suitable for the problem of large area crop.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
There is provided a kind of automatic irrigation method comprising following steps:
S1, the locality of the type, the soil types and the crop in locating region of crop in each growth phase is obtained
History maximum water consumption；The related data of douche is obtained, and obtains meteorological data；
S2, loss amount is allowed according to the water-holding capacity and effective water of soil types acquisition soil；According to douche dependency number
According to pour water intensity and the regulation coefficient for obtaining douche；
S3, local history maximum water consumption and soil according to the crop in current growth phase effective water allow to lose
Damage amount obtains the current minimum irrigation demand of the soil；Crop is obtained in the water consumption of current growth phase according to meteorological data
Amount；
S4, judge whether the current water consumption of crop is more than or equal to minimum irrigation demand, if then according to douche
The water consumption of regulation coefficient and crop is obtained to duty；Otherwise return step S3；
S5, it is obtained irrigating duration according to the intensity of pouring water to duty and douche, and is sentenced according to crop growth stage
Breaking it, whether there is also irrigation demands, if then resetting crop in the water consumption and return step S3 of current growth phase, otherwise
Terminate to irrigate.
Further, in step S1
Soil types includes: clay, silty clay, clay loam, silty glutinous loam, sandy glutinous loam, sandy clay, silty
Soil, silt loam, loam, sandy loam, loamy sand and thin sand and soil；
The related data of douche includes: douche flow q, douche arrangement spacing a, douche arrangement line-spacing b and filling
Hydrophone is poured water utilization rate η.
Further, the method for the intensity of pouring water of douche is obtained in step S2 according to douche related data are as follows:
According to formula
P=q ÷ (a × b)
Obtain the intensity p that pours water of douche；
The method of the regulation coefficient of douche is obtained according to douche related data are as follows:
According to formula
Ks=Kc × Kv ÷ η × 100%
The regulation coefficient Ks of douche is obtained, wherein Kc is crop coefficient；Kv is the correction factor of crop coefficient.
Further, the current minimum irrigation demand of the soil is obtained in step S3 method particularly includes:
According to formula
ETmin=MAD-ET0max × Kc
Obtain the current minimum irrigation demand ETmin of crop；Wherein MAD permits for effective water of the crop institute planting soil
Perhaps loss amount；ET0max is maximum water consumption of the crop in local history；Kc is crop coefficient.
Further, the tool to duty is obtained according to the water consumption of the regulation coefficient of douche and crop in step S4
Body method is；
According to formula
Q=Σ ET0 × Ks
It obtains to duty Q；Wherein Σ ET0 is water consumption of the crop in current growth phase；Ks is the tune of douche
Integral coefficient.
Further, obtain irrigating the specific side of duration in step S5 according to the intensity of pouring water to duty and douche
Method are as follows:
According to formula
Tr=Q ÷ P
It obtains irrigating duration Tr.
The invention has the benefit that the present invention is by crop using weather station data acquisition crop wager requirements as foundation
Number Kc and the coefficient regulation coefficient Ks of COEFFICIENT K v and douche irrigation water using efficiency η being modified to it are as irrigation water
The determination parameter of amount, so that this method is more practically applicable to large area plantation, it can effectively save irrigation water.
Detailed description of the invention
Fig. 1 is flow diagram of the invention.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in Figure 1, the automatic irrigation method the following steps are included:
S1, the locality of the type, the soil types and the crop in locating region of crop in each growth phase is obtained
History maximum water consumption；The related data of douche is obtained, and obtains meteorological data；
S2, loss amount is allowed according to the water-holding capacity and effective water of soil types acquisition soil；According to douche dependency number
According to pour water intensity and the regulation coefficient for obtaining douche；
S3, local history maximum water consumption and soil according to the crop in current growth phase effective water allow to lose
Damage amount obtains the current minimum irrigation demand of the soil；Crop is obtained in the water consumption of current growth phase according to meteorological data
Amount；
S4, judge whether the current water consumption of crop is more than or equal to minimum irrigation demand, if then according to douche
The water consumption of regulation coefficient and crop is obtained to duty；Otherwise return step S3；
S5, it is obtained irrigating duration according to the intensity of pouring water to duty and douche, and is sentenced according to crop growth stage
Breaking it, whether there is also irrigation demands, if then resetting crop in the water consumption and return step S3 of current growth phase, otherwise
Terminate to irrigate.
Soil types includes: that clay, silty clay, clay loam, silty stick loam, sandy glutinous loam, sandy in step S1
Clay, slity soil, silt loam, loam, sandy loam, loamy sand and thin sand and soil；The related data of douche includes: pouring water
Device flow q, douche arrangement spacing a, douche arrangement line-spacing b and douche are poured water utilization rate η.
The method of the intensity of pouring water of douche is obtained in step S2 according to douche related data are as follows: according to formula
P=q ÷ (a × b)
Obtain the intensity p that pours water of douche；
The method of the regulation coefficient of douche is obtained according to douche related data are as follows:
According to formula
Ks=Kc × Kv ÷ η × 100%
The regulation coefficient Ks of douche is obtained, wherein Kc is crop coefficient；Kv is the correction factor of crop coefficient.
The current minimum irrigation demand of the soil is obtained in step S3 method particularly includes: according to formula
ETmin=MAD-ET0max × Kc
Obtain the current minimum irrigation demand ETmin of crop；Wherein MAD permits for effective water of the crop institute planting soil
Perhaps loss amount；ET0max is maximum water consumption of the crop in local history；Kc is crop coefficient.
It is obtained in step S4 according to the water consumption of the regulation coefficient of douche and crop and is to the specific method of duty；
According to formula
Q=Σ ET0 × Ks
It obtains to duty Q；Wherein Σ ET0 is water consumption of the crop in current growth phase；Ks is the tune of douche
Integral coefficient.
It is obtained irrigating duration according to the intensity of pouring water to duty and douche in step S5 method particularly includes: according to
Formula
Tr=Q ÷ P
It obtains irrigating duration Tr.
In one embodiment of the invention, the determination of COEFFICIENT K c can be by being installed on the soil moisture content sensor in field
It is calculated with the data that weather station measures: monitoring the soil moisture consumption of a period by soil moisture content sensor, with
The ratio between the accumulation consumption that weather station survey calculation in section at the same time obtains is the COEFFICIENT K c of this stage crop.COEFFICIENT K c
It can also search and obtain on c) the CROPWAT software of world grain farmer group (FAO).
Kv correction factor is related with vegetation degree, planting density and subenvironment.Vegetation degree and planting density
Reaction is in shade rate.Subenvironment is comparison relative to weather station location circumstances, such as the back, air port, the water surface etc..Its value
Range is generally 0.5-1.2.
In the specific implementation process, soil types and water-holding capacity, effective water allow the corresponding relationship such as table 1 of loss amount:
Table 1: soil types and water-holding capacity, effective water allow the corresponding relationship of loss amount
In conclusion the present invention is using weather station data acquisition crop wager requirements as foundation, by crop coefficient Kc and to it
The coefficient regulation coefficient Ks of COEFFICIENT K v and douche irrigation water using efficiency η being modified determines ginseng as duty
Number, so that this method is more practically applicable to large area plantation, it can effectively save irrigation water.
Claims (6)
1. a kind of automatic irrigation method, which comprises the following steps:
S1, the local history of the type, the soil types in locating region and the crop of crop in each growth phase is obtained
Maximum water consumption；The related data of douche is obtained, and obtains meteorological data；
S2, loss amount is allowed according to the water-holding capacity and effective water of soil types acquisition soil；It is obtained according to douche related data
Take pour water intensity and the regulation coefficient of douche；
S3, local history maximum water consumption and soil according to the crop in current growth phase effective water allow loss amount
Obtain the current minimum irrigation demand of the soil；Crop is obtained in the water consumption of current growth phase according to meteorological data；
S4, judge whether the current water consumption of crop is more than or equal to minimum irrigation demand, if then according to the adjustment of douche
The water consumption of coefficient and crop is obtained to duty；Otherwise return step S3；
S5, it is obtained irrigating duration according to the intensity of pouring water to duty and douche, and it is judged according to crop growth stage
Whether there is also the demands of irrigation, if then resetting crop in the water consumption and return step S3 of current growth phase, otherwise terminate
It irrigates.
2. the method for automatic irrigation according to claim 1, which is characterized in that in the step S1
Soil types include: clay, silty clay, clay loam, silty stick loam, sandy glutinous loam, sandy clay, slity soil,
Silt loam, loam, sandy loam, loamy sand and thin sand and soil；
The related data of douche includes: douche flow q, douche arrangement spacing a, douche arrangement line-spacing b and douche
Utilization rate of pouring water η.
3. the method for automatic irrigation according to claim 2, which is characterized in that according to douche correlation in the step S2
The method of the intensity of pouring water of data acquisition douche are as follows:
According to formula
P=q ÷ (a × b)
Obtain the intensity p that pours water of douche；
The method of the regulation coefficient of douche is obtained according to douche related data are as follows:
According to formula
Ks=Kc × Kv ÷ η × 100%
The regulation coefficient Ks of douche is obtained, wherein Kc is crop coefficient；Kv is the correction factor of crop coefficient.
4. automatic irrigation method according to claim 1, which is characterized in that it is current to obtain the soil in the step S3
Minimum irrigates demand method particularly includes:
According to formula
ETmin=MAD-ET0max × Kc
Obtain the current minimum irrigation demand ETmin of crop；Wherein MAD allows to lose for effective water of the crop institute planting soil
Damage amount；ET0max is maximum water consumption of the crop in local history；Kc is crop coefficient.
5. automatic irrigation method according to claim 3, which is characterized in that according to the adjustment of douche in the step S4
The water consumption of coefficient and crop is obtained is to the specific method of duty；
According to formula
Q=Σ ET0 × Ks
It obtains to duty Q；Wherein Σ ET0 is water consumption of the crop in current growth phase；Ks is the adjustment system of douche
Number.
6. automatic irrigation method according to claim 5, which is characterized in that in the step S5 according to duty and
The intensity of pouring water of douche obtains irrigating duration method particularly includes:
According to formula
Tr=Q ÷ P
It obtains irrigating duration Tr.
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| CN201811488000.5A CN109258417B (en) | 2018-12-06 | 2018-12-06 | Automatic irrigation method |
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| CN201811488000.5A CN109258417B (en) | 2018-12-06 | 2018-12-06 | Automatic irrigation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110070278A (en) * | 2019-04-10 | 2019-07-30 | 固安京蓝云科技有限公司 | Irrigation least favorable point for crops determines method and device, server |
| CN110583198A (en) * | 2019-09-23 | 2019-12-20 | 苏州三亩良铺农业科技有限公司 | Intelligent water and fertilizer integrated automatic irrigation method |
| CN114418784A (en) * | 2021-12-29 | 2022-04-29 | 内蒙古河套灌区水利发展中心 | Water right-to-user dynamic allocation method considering water source conditions and irrigation modes |
| CN114698535A (en) * | 2022-04-06 | 2022-07-05 | 武汉禾大科技有限公司 | Method and system for accurately irrigating crops, electronic equipment and storage medium |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070278A (en) * | 2019-04-10 | 2019-07-30 | 固安京蓝云科技有限公司 | Irrigation least favorable point for crops determines method and device, server |
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| CN110583198A (en) * | 2019-09-23 | 2019-12-20 | 苏州三亩良铺农业科技有限公司 | Intelligent water and fertilizer integrated automatic irrigation method |
| CN114418784A (en) * | 2021-12-29 | 2022-04-29 | 内蒙古河套灌区水利发展中心 | Water right-to-user dynamic allocation method considering water source conditions and irrigation modes |
| CN114698535A (en) * | 2022-04-06 | 2022-07-05 | 武汉禾大科技有限公司 | Method and system for accurately irrigating crops, electronic equipment and storage medium |
| CN114698535B (en) * | 2022-04-06 | 2024-03-15 | 武汉禾大科技有限公司 | Accurate irrigation method and system for crops, electronic equipment and storage medium |
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