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market-farming - Re: [Market-farming] Drip tape - pressure problems

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  • From: "Bill Shoemaker" <wshoemak AT inil.com>
  • To: "Market Farming" <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Drip tape - pressure problems
  • Date: Mon, 09 Jun 2008 20:18:32 -0500

This may sound a little strange, but pressure regulators need a threshold flow rate to work. If you're running to few emitters (too little drip tape), your flow rate will be too low and the pressure regulators won't work. I have very high incoming pressure so I use a higher pressure regulator at the hydrant, a lower one at the zone, and I always try to run several zones at once to make sure there is enough water flowing through the system to activate the pressure regulators.

Bill


William H. Shoemaker
Sr Research Specialist, Food Crops
St Charles Horticulture Research Center
University of Illinois, Urbana-Champaign

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