i heard that you can take a 55-gal. drum,put about a foot of soil in
it, and plant potatoes. as the folage grows, keep adding soil till the
drum is near full. let grow for whatever time a potato takes,(never
grew them before), and dump the drum, yeilding alot of potatoes in a
small space. heard this will work for sweet potatoes as well. anyone
have any insight on this?
thanks for any and all info.

The tower method works, but you would have a hard time getting the plants
started in a drum. Tires, wire cages , wooden boxes etc that can be stacked or
covered as the plant grows is preferable. Usually the Irish potatoes are
planted in the ground the tower built over them using mulch (old hay straw etc)
not soil. Works weel for Irish potatoes but sweet potatoes are a true root crop
with entirely different requirements.