![Page 1: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/1.jpg)
Jason Lorenz
Agro Engineering Inc.
![Page 2: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/2.jpg)
When and Why Re-Nozzle Visible pattern problem
Loss in yield
Reduced quality
Equipment maintenance Worn or broken orifice, pads, bracket, regulator
Change in water supply conditions Changing aquifer(change in pressure and flow), change
in pumping plant
Improvement in technology, increasing uniformity/efficiency Impacts sprays oscillating nozzles
![Page 3: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/3.jpg)
Visible Problems
The ring affects 3 acres. The yield map showed a 100 cwt/acre reduction. At $9.75/cwt a loss of $2925 in one ring
![Page 4: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/4.jpg)
Equipment Maintenance Worn orifice = overwatering/ uneven depth applied
Worn pads = uneven / reduced overlap
Broken bracket = uneven pattern/ loss of function
Worn pressure regulators = overwatering/ uneven depth applied
Plugging issues
![Page 5: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/5.jpg)
Change in water supply conditions Sprinkler Uniformity
0.20
0.40
0.60
0.80
1.00
1.20
0 200 400 600 800 1000 1200 1400
Distance Along Lateral (ft)
Ca
tch
Ca
n D
ep
th (
in)
CP
ED
Mo
de
l
925 gpm @30 psi 725 gpm @ 18.5 psi
![Page 6: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/6.jpg)
Improvement in technology
0.5
0.55
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
0 200 400 600 800 1000 1200 1400
Distance
Dep
th A
pp
lied
Sen Spray Sen Iwob
Spray vs Oscillating
![Page 7: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/7.jpg)
![Page 8: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/8.jpg)
Important Factors System flow and pressure
In season changes
Center pivot characteristics
Overlap
Spacing
Nozzle height
Nozzle type
Pad selection
Pressure regulated?
End of system decisions
![Page 9: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/9.jpg)
Nozzle Height vs Spacing
![Page 10: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/10.jpg)
Nozzle Height vs Spacing
![Page 11: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/11.jpg)
Nozzle Type Spraying Rotating Oscillating
Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp.
Photo From “Nelson O3000 Brochure” Nelson Irrigation Corp
Photos & graph From “Senninger i-Woband Xi-Wob UP3 Brochure” SenningerIrrigation Inc
Photo From “Senninger Super Spray UP3 Brochure” Senninger Irrigation Inc.
Photo From “Nelson D3000 Brochure” Nelson
Irrigation Corp.http://www.nelsonirrigation.com/products/family/pivot-sprinklers/s3030-spinner
![Page 12: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/12.jpg)
Nozzle Type
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0 5 10 15 20 25 30 35
Spray Rotator Occilating
![Page 13: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/13.jpg)
Pad Selection
![Page 14: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/14.jpg)
Pad Selection
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0 5 10 15 20 25 30
Medium Groove Deep Groove
![Page 15: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/15.jpg)
Spray Pad Selection
Photo From “Senninger Super Spray UP3 Brochure” Senninger Irrigation Inc.
Table From “Nelson D3000 Brochure” Nelson Irrigation Corp.
![Page 16: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/16.jpg)
Rotator Pad Selection
Table From “Nelson R3000 Brochure” Nelson Irrigation Corp.
![Page 17: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/17.jpg)
I-Wob Pads
Photos & Tabler From “Senninger i-Wob UP3 Brochure” Senninger Irrigation Inc
![Page 18: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/18.jpg)
Xi-Wob Pads
Photos & Tabler From “Senninger Xi-Wob UP3 Brochure” Senninger Irrigation Inc
![Page 19: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/19.jpg)
Orbiter Pads
Table From Nelson O3000 Brochure” Nelson Irrigation Corp.
![Page 20: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/20.jpg)
Nozzling with Pressure Regulators Flow rate remains constant as long as minimum
pressure requirement is maintained.
Inlet pressure 5 psi higher than nominal pressure.
![Page 21: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/21.jpg)
Pressure Regulator Performance
15
20
25
30
35
40
45
50
700 800 900 1000 1100 1200
Minimum Pivot Pressure 6 5/8" o.d. Pipe
15 PSI 10 PSI 20 psi
![Page 22: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/22.jpg)
Insufficient Pressure
15
17
19
21
23
25
27
29
31
33
35
-300 200 700 1200
Inle
t P
ress
ure
of
Pre
ssu
re R
eg
ula
tor
psi
Distance Along System (ft) 1000 g.p.m. 32 p.s.i.
![Page 23: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/23.jpg)
End of System
![Page 24: Jason Lorenz Agro Engineering Inc.potatoes.colostate.edu/wp-content/uploads/2018/03/... · Photo From “Nelson R3000 Brochure” Nelson Irrigation Corp. Photo From “Nelson O3000](https://reader034.vdocument.in/reader034/viewer/2022042412/5f2bf7cad9f053651810c7a2/html5/thumbnails/24.jpg)
End of System
http://www.nelsonirrigation.com/products/family/end-of-pivot-solutions