This layer should be about 3-5 inches deep. Many materials suitable for the top layer often have a pleasant cosmetic appearance. For this reason, there should be no hesitation in using sheet mulch in all cultivation from landscaping to gardening to permanent orchard crops. In fact, as you use mulch, bare soil will begin to seem ugly and undesirable. When the soil is amended and sheet mulch applied properly, there will never be a need to turn the soil.
Earthworms do the tilling.
The only task left will be to keep the soil covered by replenishing the mulch. Rake or water in. Water the weed barrier layer thoroughly before the next step. The Ongoing Process To make mulching as efficient and easy as possible, use mulch materials which are readily available. Eventually, other tasks such as watering, fertilization and weeding will be reduced.