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drip irrigating tree lines

Seattle, WA


I have just setup a drip system for my greenhouse, two gardens and the grapes I will be planting next week. I have tree lines on my property andf also roses. I want to continue with a separate drip system for these plants, the trees are in lines 300 yards long and also 100 yards long. I have a large amount of 1/2" PVC pipe given me and have used it on my previous projects and it seems to work great.

My trees are on a 9 degree down slope from my source of water supply, event though the distance is quite long, could I utilize the 1/2" pvc over these greater distances with no problems? What pump would you recommend?

Thanks in advance

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