The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsHow big a garden would you need to be self-sufficient for a family of four? Andy Crouch, HenllanSend new questions to nq@theguardian.com. Continue reading… Source – Full Article Readers reply: how big a garden would you need to be self-sufficient for a family of four?