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Research on Resource Allocation and Water Saving Strategies in Deep Bayesian Network Driven Farmland Irrigation Systems

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19 mar 2025

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Figure 1.

Irrigation area water optimization configuration model
Irrigation area water optimization configuration model

Figure 2.

The DBNNS algorithm optimizes the process curve in the target 1 situation
The DBNNS algorithm optimizes the process curve in the target 1 situation

Figure 3.

The DBNNS algorithm optimizes the process curve in the target 2 situation
The DBNNS algorithm optimizes the process curve in the target 2 situation

Figure 4.

The DBNNS algorithm optimizes the process curve
The DBNNS algorithm optimizes the process curve

Figure 5.

Water level of groundwater in the land irrigation period
Water level of groundwater in the land irrigation period

Figure 6.

The water level changes in the year of the dead water
The water level changes in the year of the dead water

The amount of irrigation in the case of solution 2

Date Irrigation rate(m3/acre)
Month Time period Barley barley Spring wheat Potato Beans Cole
3 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
4 Early days 55 40 0 0 0
Middle days 0 0 55 25 35
Late days 0 0 0 0 0
5 Early days 55 50 0 0 0
Middle days 0 0 55 55 55
Late days 45 55 0 0 0
6 Early days 0 0 0 40 40
Middle days 55 55 62 0 0
Late days 0 0 0 45 45
7 Early days 0 0 0 0 0
Middle days 45 45 0 45 45
Late days 0 0 40 0 0
8 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 55 0 0
9 Early days 0 0 0 0 0
Middle days 0 0 40 0 0
Late days 0 0 0 0 0
10 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
11 Early days 50 40 60 22 25
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
12 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
Total 305 285 367 232 245

Statistical results of irrigation water in pingshui year

Scheme Winter irrigation(108·m3)
Natural irrigation Well irrigation Canal completion
Solution 1 0.714 0.722 1.436
Solution 2 0.711 0.631 1.342
Comprehensive plan 0.867 0.699 1.566

Optimization unit coding of water allocation in irrigation system

Date Irrigation rate
Month Time period Barley barley Spring wheat Potato Beans Cole
4 Early days A1 A2
Middle days A3 A4 A5
Late days
5 Early days A6 A7
Middle days A8 A9 A10
Late days A11 A12
11 Early days A13 A14 A15 A16 A17
Middle days
Late days

The amount of irrigation in the case of solution 1

Date Irrigation rate(m3/acre)
month Time period Barley barley Spring wheat Potato Beans Cole
3 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
4 Early days 50 30 0 0 0
Middle days 0 0 55 15 30
Late days 0 0 0 0 0
5 Early days 50 20 0 0 0
Middle days 0 0 55 15 30
Late days 45 20 0 0 0
6 Early days 0 0 0 40 40
Middle days 40 40 50 0 0
Late days 0 0 0 45 45
7 Early days 0 0 0 0 0
Middle days 45 45 0 45 45
Late days 0 0 40 0 0
8 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 40 0 0
9 Early days 0 0 0 0 0
Middle days 0 0 35 0 0
Late days 0 0 0 0 0
10 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
11 Early days 50 25 50 15 40
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
12 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
Total 280 180 325 175 230

Statistical results of irrigation water in each area of the sea

Scheme Irrigation season Irrigation mode Barley barley Spring wheat Potato Beans Cole
Solution 1 Winter irrigation Natural irrigation 0.0275 0.0160 0.0458 0.0389 0.0295
Well irrigation 0.0387 0.0142 0.0344 0.0245 0.1018
Spring irrigation Natural irrigation 0.0461 0.0597 0.0349 0.0732 0.0607
Well irrigation 0.0524 0.0607 0.0579 0.0629 0.0382
Summer irrigation Natural irrigation 0.0433 0.0811 0.0456 0.0576 0.0648
Well irrigation 0.0486 0.2304 0.0518 0.0311 0.0571
Solution 2 Winter irrigation Natural irrigation 0.2021 0.0399 0.0597 0.0569 0.0552
Well irrigation 0.0741 0.0415 0.0307 0.0561 0.0482
Spring irrigation Natural irrigation 0.0502 0.0368 0.0483 0.0314 0.0655
Well irrigation 0.0529 0.0524 0.0546 0.0513 0.0563
Summer irrigation Natural irrigation 0.0489 0.1051 0.0488 0.0512 0.0465
Well irrigation 0.0472 0.0509 0.0438 0.0493 0.0523
Comprehensive plan Winter irrigation Natural irrigation 0.0546 0.0541 0.0485 0.0518 0.0535
Well irrigation 0.0365 0.0612 0.0692 0.0388 0.0404
Spring irrigation Natural irrigation 0.0319 0.0331 0.0463 0.0227 0.0735
Well irrigation 0.0715 0.0528 0.0566 0.0395 0.0401
Summer irrigation Natural irrigation 0.0446 0.0439 0.0576 0.1043 0.0438
Well irrigation 0.0689 0.0394 0.1583 0.1059 0.0635

The amount of irrigation in the comprehensive target situation

Date Irrigation rate(m3/acre)
Month Time period Barley barley Spring wheat Potato Beans Cole
3 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
4 Early days 62 35 0 0 0
Middle days 0 0 62 25 40
Late days 0 0 0 0 0
5 Early days 62 36 0 0 0
Middle days 0 0 52 29 42
Late days 52 40 0 0 0
6 Early days 0 0 0 40 40
Middle days 52 52 62 0 0
Late days 0 0 0 52 52
7 Early days 0 0 0 0 0
Middle days 45 45 0 45 45
Late days 0 0 52 0 0
8 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 52 0 0
9 Early days 0 0 0 0 0
Middle days 0 0 42 0 0
Late days 0 0 0 0 0
10 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
11 Early days 62 35 62 29 47
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
12 Early days 0 0 0 0 0
Middle days 0 0 0 0 0
Late days 0 0 0 0 0
Total 335 243 384 220 266