RT Journal Article SR Electronic T1 Effectiveness of Methods Used to Reduce Harmful Effects of Compacted Soil Around Landscape Trees JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 55 OP 57 DO 10.48044/jauf.1990.016 VO 16 IS 3 A1 Dennis R. Pittenger A1 Ted Stamen YR 1990 UL http://auf.isa-arbor.com/content/16/3/55.abstract