PT - JOURNAL ARTICLE AU - Watson, Gary TI - Landscape Below Ground IV: Introduction to a Special Issue AID - 10.48044/jauf.2019.019 DP - 2019 Nov 01 TA - Arboriculture & Urban Forestry (AUF) PG - 237--238 VI - 45 IP - 6 4099 - http://auf.isa-arbor.com/content/45/6/237.short 4100 - http://auf.isa-arbor.com/content/45/6/237.full AB - This special issue is dedicated to research presented at the 2018 Landscape Below Ground IV conference. We describe highlights from the ten original research articles included in this issue. With these articles, we aim to support the advancement of tree care practices and inform managers and policymakers to choose, site, plant, and care for healthier, longer-lived trees by focusing on their critical and vulnerable root systems and the soil that surrounds them.