The idea of no-dig gardening was developed by an Australian named Esther Deans. It was originally both developed both as a labor saving idea, and a method to rejuvenate badly depleted soil in a vegetable garden.
The process involves starting with layers of newspaper, and by adding lucerne hay, straw and compost in succeeding layers, you can create a growing medium without resorting to heavy digging, and one that is rich in nutrients and which will simplify weeding and encourage your much desired plants to grow. The layers compost together, and greatly encourage earthworms. The gardens are maintained by adding manure, compost, etc., and should not be dug up, as this will undo the good work. I have used this approach to creating vegetable gardens, and it certainly does work.
The principle of not digging has sound foundations. Excessive cultivation of the soil, especially when very wet or very dry, will damage the structure of the soil, and lead to compaction. Such excessive cultivation can also discourage the earthworms, and they are the best free labor a gardener has.
Some followers of permaculture and organic gardening have translated no-dig into never-dig,...