Bjorn Embren, 2020-07-03
Arboricultural Association
Björn Embren discusses his experiences of planting trees over a couple of years. Soil is a substrate that supports life- microorganisms, trees and smaller insects. Urban soils contain a lot of debris from the construction industry as well, which makes the nature of these soils poor. While exploring nature-based solutions to promote the better growth of these urban trees, they introduced the use of biochar. Biochar is charcoal made from recycled material through the process of pyrolysis. It helped fight climate change and contributed to a circular economy. Aeration of the ground is very important since it allows the tree roots to breathe and other living beings to survive within the soil ecosystem. Biochar promotes aeration due to the gaps in the pieces.
Tags: Stockholm, urban trees, urban soils
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