I don't think you need to wage war on nature to grow good veg. Mice usually only cause trouble when they start digging up peas, beans or sweetcorn as they emerge. I personally have only had trouble with the peas and then I use decoy feeding to protect the plants. A generous helping of wheat scattered nearby is enough to distract them. Within a week or two the peas are too big to interest the mice and then I stop feeding them. The early peas get extra protection by starting them off in the greenhouse in a piece of guttering, but I'll show you that in a month or so.
