Quote:
Originally Posted by downeaster
BTW, beware of the "water for x minutes" advice. No one can tell you how many minutes to run your system for proper coverage without knowing the flow rate at each sprinkler head as well as the arc and the distance of the coverage. Place rain gauges ( empty tuna fish cans will work) to see the actual coverage then adjust your timers accordingly. Take into consideration there will be more overlap in some areas. You may find it necessary to change nozzles and/or sprinkler heads to get the rate you want. "It ain't rocket science" but it is not simple either.
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This is really good advice. I just got done with the tuna can test (we do this a couple of times per year or when I see a dry area). My goal is to get an inch of water on the lawn per week. At first I saw very different results in the tuna cans, one can had 1/2 inch, one 1/8 to 1/4. I went around and replaced some nozzles and now I get a uniform amount.
I think we have Empire Zoysia at my house in TV.
Here is a quick reference table:
http://empireturf.com/empire_sales_sheet.pdf
Do I have have hot spots? I do, it has really been dry and hot lately without the summer rain arriving yet, but I have taken the first step to understand how much water different areas are getting.
Pretty sure the strain of Zoysia here should be relatively drought tolerant, but no expert.