On occasion I have had potential clients call me and ask me if I can till their gardens. The short answer is no, and it's not because I can't, but because I won't. Tilling soil affects soil structure which has a major influence on water and air movement, biological activity, root growth and seedling emergence. Watch this short video by the U.S. Department of Agriculture: (June 29 post)
Soil Tillage
Soil Tillage