Posted 9/23/2017 23:09 (#6266356 - in reply to #6266049) Subject: RE: Rye cover crop in pattern tiled field
North Central Illinois
I have an old 4" clay tile running through an alfalfa/orchardgrass hay field. Always a strip of taller darker green grass there. Only about a foot or so wide. Those roots must be finding the tile, and it hasn't plugged yet.