Re: Watering systems?

WHTROS@aol.com wrote:
> 
> Good Day -
>         I know several of you have greenhouses and some of you have larger
> growing facilities.  Do any of you have automatic watering systems?
>         I have been working part-time at a hydroponic tomato grower.  They
> have 6 bays (greenhouses) with 4 double rows of tomatoes per bay.  Each row
> has 240 tomatoes.  Since I started in Jan. they have been having a problem
> getting everything getting everything watered/fed evenly.
>         A while back, someone thought to check the filters -- they were
> totally plugged up!  As a result, they have been cleaning out the regulators
> that go to each plant.  Every day they find a few more plugged.  Today, they
> took them all off!!  Tried to tell them what would happen - The beginning of
> the line is flooded and the end gets nothing.  This system is programed to
> come on 2 times an hour for 2-3 minutes.
>         Do any of you have an experience with similar systems, even on a
> smaller scale or can you point me to somewhere that I can ask questions??
> Please, please! I've been trying to find out where they got the equipment,
> the supplier, or who makes it but, so far, no luck getting any such info.
> Seems like their supplier should have some sort of Tech Support but they
> don't seem to be getting any help from them that I can see.
> 
> Sorry about being OT but I think this is fascinating and, I hope, others
> would have some interest in how greenhouse tomatoes are grown.
> 
> TIA and Best Wishes to you all --
> Barb
> USDA Zone 5, Rock Island, IL
> "What this country needs is dirtier fingernails & cleaner minds."  Will Rogers
> @}-->-->---------------------
> 
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Chapin makes a pressure control regulator that goes at the beginning of
the spaghetti line.  Each line has it's own control, in essence.
Works very well.
Sounds like you guys need to put in a filter at the head end, tho.  The
pressure controllers will control even flow, but whatever is plugging up
the emitters has to be filtered out or you'll continue having
non-dripping drippers.
Could be your water supply has dirt in it.
-- 
The Greenhouse Nursery
81 S. Bagley Creek Road & Hwy 101
Port Angeles, WA  98362
(360) 417-2664
Zone 8

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