Somebody give a short run down on this?

Anybody close to me use it? 

How far apart are the tape/pipe and how deep?  How long do they last?  How about the freeze/thaw of the ground?  do you blow them out with air somehow?

What type of elevation change?  Only a one way slope downhill? 

How long to say put an inch on per acre?

No till?  Can you inline rip inbetween the lines?

have RTK guideance now and just keep thinking it would be neat?