Simplified Scheduling

GOAL: To set up a monthly schedule for an irrigation system using the simplified scheduling method. This is suitable for those who do not use or who do not have access to a computer.

QUESTION: How often to you change your irrigation schedule during the season?

Simplified Scheduling

WHAT YOU NEED TO KNOW:- Sprinkler type- Plant type- Weekly ET- Soil type

WHAT THE TABLES WILL TELL YOU:- Runtime per week- Days per week- Runtime per day

Simplified Scheduling

Simplified Scheduling

ZoneSprinkler

TypePlant Type

Weekly ET

Soil Type

Runtime per Week

Days per Week

Runtime per Day

1 Rotors Turf 2” Loam 171 4 43

2

3

4

5

6

7

Simplified SchedulingExercise:Calculate a schedule for this sports field based on the following data:

ROSEWOOD SPORTS FIELD, KELOWNA

Zone PSICrop Type KS KD KMC

Head Spaci

ngLateral Spacing GPM ARC Efficiency

1 70 Turf med med high 56.6’ 56.9’ 16.6 full 75%

2 70 Turf med med high 56.6’ 56.9’ 16.6 full 75%

3 70 Turf med med high 56.6’ 56.9’ 16.6 full 75%

4 80 Turf med med med 56.6’ 56.9’ 18.3 half 75%

5 80 Turf med med med 56.6’ 56.9’ 18.3 half 75%

6 30 Shrub low med med 10’ 11.5’ 0.88 half 55%

7 30 shrub low high high 9’ 10.8’ 0.88 half 50%

NOTE: Some of the information in the above table is not relevant for this exercise.

Simplified Scheduling

ADVANTAGES:- Quick, easy to use- Relatively accurate

DISADVANTAGES:- Does not allow for individual system performance