The experiment was designed as a randomized complete block, with three mulch
treatments applied in factorial combination with two fertilization levels (conventional and none).
Each of the six treatment combinations was replicated four times in each of two blocks. The
three mulch treatments consisted of (1) composted yard waste with a C:N ratio of 17:1, (2)
ground wood pallets with a C:N ratio of 125:1, and (3) a bare soil control. Mulch treatments
were implemented by applying a five cm layer to the soil surface in November of 1997. In
spring of 1998 and 1999, any residual mulch was removed and replaced with fresh mulch.