It's just something I discovered on the Internet on Thursday. Could be crap for all I know. They have this doc on their website FWIW: "Farming in Philadelphia

It's just something I discovered on the Internet on Thursday. Could be crap for all I know. They have this doc on their website FWIW: "Farming in Philadelphia: Feasibility Analysis and Next Steps" http://www.spinfarming.com/common/pdfs/STF_inst_for_innovations_dec07.pdf http://www.spinfarming.com/common/pdfs/STF_inst_for_innovati...