Water-Plant-Soil Relations - ag.arizona.edu

Hydraulics

„ Same as conven
„ Leave 15 PSI at

for flushing
„ Don’t exceed 4.0

½" tube
„ Install Xeri-Spray

ntional irrigation
end of ½" tubing runs

0 GPM flow rate in

y at end of tubing runs

Irrigation Syste

„ Call Arizona Blue
your utility comp
service to mark a
digging or trench

– 800-782-5348

„ Begin installation

– run main line, sub
control zone locat

„ Pressure test mai
„ Install control zon

– valve, pressure re

„ Install backflow de

em Installation

e Stake Center or
panies for blue stake
all utilities before
hing

at point of connection

bmain, and field wires to
tion

inline
ne(s)

egulator, and filter

evice(s)

Irrigation Syste

„ Flush valves, the
riser locations

„ Flush pipes, fill tr
the area, plant sh

„ Install distribution
works easier than

– allow enough sla
temperature-indu
differences

„ Flush system aga

em Installation

en run lateral pipes to

renches, rough grade
hrubs and trees
n tubing (warm tubing
n cold tubing)

ack in tubing to account for
uced tubing length

ain

Irrigation Syste

„ Attach emitters
„ Use tie-down stak

ground
„ Finish grading site
„ Wait 2 weeks bef

mulch

– mulch hides tubin
weeds

– make sure everyt

• watch for plant st
• flush system befo

em Installation

kes to hold tubing to the

e
fore covering area with

ng, reduces evaporation and

thing operating correctly

tress
ore covering with mulch

Irrigation Syste

„ Design system fo
valves, filters, etc

„ Keep sprinklers o

– keep heads prop
rotating

– clean or replace
emitters, and filte

– keep grass away
– raise sunken hea

em Maintenance

or ease of access to
c.
operating properly

perly aligned, leveled, and

plugged sprinklers,
ers when needed
y from sprinklers
ads

Irrigation Syste

„ Conduct visual v

– look for stressed
– soggy spots

„ See handout for
maintenance sch

– weekly during fir
– after first two we
– every one or two
– every two to four

em Maintenance

vegetation inspection

d areas

table of recommended
hedule

rst four weeks...
eeks...
o months...
r months...

Proper design a
irrigation syste

„ experience
„ science
„ art!!!

and operation of
ems require ...

Class #3

„ Hand back homewo
„ Go over homework
„ Ask if any questions

landscape irrigation
„ Do In-Class Writing
„ Do identification of
„ Cover Low-Volume
„ Remind folks about

– Tour
– Surveying
– Flow demonstration

• Yuma: meet first at
• Tucson: meet at irrig
– Homework #2

ork #1 (both a and b)
k #1b
s from conventional
n or homework #1
g Assignment #1

parts
e Landscape Irrigation
t

class
gation lab out by the farm