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We are adding two custom built greenhouses to cover 36 sections of the garden. We use flood and overhead irrigation which will not work in a greenhouse situation. We are installing a new pump(Teal) with screen, media and carbon filtration plus a pressure tank.(water source is irrigation water, carried in a large river like system) The main trunk is one inch pipe with three leaders and then each 30' run having its own header but able to run 13 headers at a time with a solenoid switch controlling which leader opens. (I hope this makes sense). (Main trunk line, 3 leaders with each leader having 13 headers which feed one 30' run each. Control is electronic, computer programmed)
The question is: We can buy dripline tubes with built in emitters or drip tube with turbulent flow emitters installed where needed. Pros and cons of each?
Crops to be watered are tomatoes, squash, cucumbers, peppers and eggplant plus 3 outside sections which will no longer be watered with overhead sprinklers. All on 18" spacing, one tube down the center of the bed. Flow and pressure from source are adjustable, we also have pressure reducers. Ground is level, no grade to change pressure.
The dripline we are considering is Netafilm and comes in 18" or 24" spacing, 1000' length which can be cut to length.
The drip tube is John Deere I think, with either Dramm or Netafilm emitters. Both use compression fittings to attach to water header. We just don't know whether to go with the pre constructed drip line or the heavier duty drip tube. I have used dripline before, when I had a greenhouse in TN. Seems like the dripline was pretty short lived.
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