Arboriculture & Urban Forestry quizzes are available free online to members for one year after the date of publication; a maximum of six quizzes are available at any time. CEU quizzes for older articles may be purchased by both members and non-members.
Urban soil is often compacted during anthropogenic activities, which presents a challenging substrate for tree growth. Two techniques for decompacting soils were evaluated alone and in combination with the soil amendment biochar and/or a woodchip mulch, and effects on soil quality were monitored over 5 years. This article and accompanying CEU quiz review the results of this study and different treatment options. 1 CEU (A, U, M, T, Bs, Bp)
ISA's scientific journal Arboriculture & Urban Forestry (AUF) helps disseminate new research findings about the management of trees in urban environments. This quiz highlights an article from an issue of AUF with the objective of bridging the gap between scientific research and practical application. Learn about the latest arboricultural research happening around the world while also earning your CEUs.
CEUs for this quiz may be earned only once during the life of your certification.