Zone with Trees & Shrubs- What Crop Coefficient?

[azdavidr]

In case you can’t find identifiers on the heads, @Khillski posted this method. I haven’t used this method yet, but plan to give it a shot.

Catch Cups

Also, for those of you with drip irrigation, it’s really hard to read the printing on the heads to know what your GPH (gallons pre hour) rate is. Here’s a quick way to find out. Measure how many seconds it takes to fill a tablespoon: 14 seconds equals 1 gallon per hour (gph) 7 seconds equals 2 gph 4 seconds equals 4 gph