Educational Library

Technical Applications Bulletin

This publication is aimed not just at tree-care professionals performing air-spading procedures, but also to the landscape architects, urban designers, engineers, contractors, consultants and decision makers involved in any project involving tree health care and preservation. Read more

Urban Tree Soil Replacement

Soil science and planting technologies for urban trees have undergone tremendous advancement in the last several years. For example, engineered structural soils can resist compaction from traffic or bear the weight of pavement or  Read more

Bare Rooting and Transplanting

Bare rooting is a procedure used to relocate or remove soil around existing trees. Use of an AirSpade for bare rooting is the best way to minimize damage to the tree’s root system and the most efficient technique available.  Read more

Root Pruning

Construction or maintenance work that makes intrusions into a tree’s root zone will benefit from use of an AirSpade. Air-spading is safe to the tree’s roots and a highly efficient method to perform exploratory excavation to locate existing  Read more

Root Collar Excavation

Trees commonly suffer when the grade is set too high against their root flare or root collar. This can occur when trees are planted at the wrong elevation or when trees subside due to improper compaction below the root ball when they are Read more