Landscape Architects and other design professionals
Forest trees connect to soils through complex relationships with pore space, organic matter, minerals and microbial life. Urban trees often struggle when these relationships break down as a consequence of compaction and organic matter losses.
Horticulture / Plants
Sustainable Development & Design
Health, Safety and Welfare
Techniques such as topdressing, tillage and incorporation with air tools, vertical mulching, liquid injection, and backfilling are five methods that will be discussed to loosen soil while adding organic matter. Composts, mulches, biosolids, and biochars are four organic materials that will be discussed to increase organic matter. Benefits of these practices will be analyzed to show the benefits of increasing rainfall infiltration, soil water storage, and the penetration of air into the soil profile. The advantages and disadvantages of each technique will be discussed and analyzed through details, illustrations and various techniques, experiments and case studies.
Christopher Fields-Johnson, Technical Advisor, The Davey Tree Expert Company
Illinois Chapter ASLA