double-digging n.— «The two have employed a practice called “double-digging,” which involves digging up the top foot of soil, tilling the bottom part of the soil underneath and then replacing and tilling the top foot.» —“Yard...
lasagna gardening n.— « Three garden designs that have caught my attention lately are island beds, raised beds and lasagna gardens.…Lasagna gardening is a nontraditional organic technique that relies on a layering method called...