Quote:
Originally Posted by Superman
Any further descriptions would be helpful, as I do not fully understand. You and wdfifteen seem to be pointing to the same system. Looking at the link, the 50' roll seems to be a different animal from the 100' roll. One seems to have dribble sections and the other does not. There are connectors and plugs which are often bought at the same time, but I do not understand what they do. Perhaps start by describing the system. One long line with dribblers every 6"? Or a non-porous trunk line with separate branch lines for each tree with (maybe) dribble nozzles? Pressure regulator?
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Monkey and I are describing similar systems. The one he posted is a plastic line with slits cut in it every few inches (or feet, depending on which one you get). I have one of those for my bedding plants.
I like this one for individual plants that are relatively far apart. I use it for my tomatoes, which I plant 6 feet apart. It starts with a pressure regulator. Then a 1/2 inch solid plastic "hose" (line). The pressure in the line is fairly low, but I can't say exactly what it is. The system has little barbs that you can push into the line at whatever interval you want to tap into it. The barbs connect to a 1/4 inch line that has an emitter at the end that regulates the volume of water that flows. You place the emitter at the base of the tree. The emitter "emits" water at a specific gallons per hour rate. It's really that simple. I use this system to water individual plants because it doesn't waste water on the ground between the plants. It seems perfect for your trees. Based on your picture, I would run the 1/2" line about 3' off the ground through the branches of the trees to keep it off the ground and drop 1/4" lines down to the ground under each tree.
You can push the barbs in at whatever distance your plants are, connect a 1/4" line to it with a 2 GPH emitter at the end that will drip 2 gallons per hour at the base of every tree.
As I said, as a check on the amount of water the system is REALLY delivering, you should add a 1/4" line and emitter drop and have it drip into a container so you can monitor the actual amount of water that is being delivered by the system.
For a run as long as yours you might install two monitoring drops, one at 75' and one at 100' to see if they are getting the same amount of water. If they aren't the same you may have to use 1 gph emitters and run the water longer. The emitters cost about $10 a dozen, so no big deal.
I will be happy to draw you diagram in the AM. Right now I have a warm woman in a warm bed calling.