Commercial Turf Irrigation Scheduling
 
Irrigation Stations List
  Enter the parameters below and Wateright will create a watering schedule based on the weather data for your area. The schedule is used to program your time clock. Note that defaults are in place except for Station Description and Application Rate.
Station Description Application
Rate
Calculate Scheduling
Coefficient
Starts/Week Type of Grass Adjustment
(%)
AgriMet Station #
   
Start Day of Week
 
Schedule Period
  
 

Calculate: You can calculate an application rate and scheduling coefficient by entering readings from a field test. Click on the button for each station to calculate SC and application rate for each station.

Scheduling Coefficient: The scheduling Coefficient is calculated by comparing the application rate in the driest contiguous area to the application rate in the entire area.

Application Rate: The application rate is the average rate (usually expressed in inches per hour in the U.S.) that water is applied by an irrigation system.

Start Day of the Week:  Wateright will generate a  schedule.  You can control what day of the week the schedule period starts.

Schedule Period:  Wateright will summarize daily information into one, two, or four week intervals.

Type of Grass: Different turf will use different amounts of water.  Bluegrass is a cool season turf, Bermuda grass is a warm season turf.  If you are unsure of which turf type to choose, then select a cool season turf (i.e. Bluegrass which uses more water) to insure adequate irrigation.

Starts/Week:  How many times the sprinklers will be run per week.  For example:  if the sprinklers are run two times per day on Monday, Wednesday, and Saturday then starts/week = 6 (2 x 3).

Adjustment:  If you want to fine tune the schedule you may change the adjustment value.  Often you will need to adjust your watering for micro-climates.  For example, less water is required for shaded areas.  Values are shown in percent.  100 percent = no adjustment.  Entering a value greater than 100% will result in additional watering time.  Typical values for the adjustment are from 80 to 120 (80 = less water, 120 = more water).

  The Wateright site is a joint project of the Center for Irrigation Technology and Advanced Technology Information Network which are part of the California Agricultural Technology Institute at California State University, Fresno. The Wateright site is funded by the Bureau of Reclamation, US Department of Interior.
 
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California State University, Fresno
5370 North Chestnut Ave. - MS/OF 18
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