tree planting and maintenance
-
Effects of 3 Trunk Support Systems on Growth of Young Pyrus calleryana Trees
Pavel Švihra, David Burger and Deborah Ellis- Arboriculture & Urban Forestry (AUF) November 1999, 25 (6) 319-324;
- DOI: https://doi.org/10.48044/jauf.1999.042

