g'day mike,

we did a sheet mulch one as a projest when i attanded a pc course at a
local tafe. they would have application in a confined or limited area,
for me i stick to the straight raised beds system, a bit less work in
setting up and the same results if you have the space.

len

snipped
--
happy gardening
'it works for me it could work for you,'

"in the end ya' gotta do what ya' gotta do" but consider others and the environment
http://hub.dataline.net.au/~gardnlen/