michael adams wrote:

::
:: The only problem I'd see is watering, as the bulbs [you hope
:: anyway] start to fill the pipe at the top. The point about the
:: carrots AIUI is that the shape forces the root to go down further,
:: searching for moisture. I think special watering techniques are
:: used in addition i.e from underneath.

The onions are planted directly into the soil, the pipe was used only to
make a deep round hole.


--
If God had intended us to drink beer, He would have given us stomachs.