[dcarch]

This thread speaks of the value of this forum. There are many smart people with all kinds of ideas to exchange.
Thank you for all your suggestions and concerns.

Regarding "I still like the alfalfa method better for breaking up compacted subsoil", I cannot afford to do that because I don't have the space. I am growing vegies under the tomatoes to maximize land use, which is another reason why I need to dig deep. All my plants are competing for root space.

dcarch