- Continue the double-digging process (repeating steps 4 and 5) for the remaining
trenches. Rake after each 3 to 4 trenches to ensure even bed height. - Fill in the final trench. Shape the bed by raking it. Evenly spread a ½-inch layer of
compost and any needed fertilizers over the entire area. Sift in compost and any
fertilizers 2 to 4 inches deep with a spading fork.
Note: After the lower trench has been loosened, potatoes may be placed on its surface
on 9-inch centers using offset spacing (see this page). The soil from the next trench’s
upper level may then be moved forward onto them. This is the easiest way we have
found to plant potatoes. (Mark the location of the potatoes with stones or sticks in the
outside paths before covering them with soil. This will indicate where potatoes should
be placed on the surface of each succeeding lower trench.)
Complete Texturizing Double-Dig
One time only for compacted heavy soils.
- When the soil is lightly moist, loosen the top 12 inches of the entire area to be dug