Those who are nostalgic for life in the farm economy of yore are going to run smack into the dismal science of economics. Widespread farm-to-table would cause huge increases in the price of food, and far less variety, for anyone who is not now growing his own food. Costs rise exponentially as demands are placed on limited resources that have to be withdrawn from other uses.
Fear not. As the prices rise, mass production will commence straight away.