2022 Scotscape R&D department. Non-invasive ground preparation to sustain long term tree planting
The Brief was to find a way to prepare compacted, nutrient deficient ground, typically found in urban areas in a cost-effective manner to enable long term health of micro-forest planting.
Conventional ground preparation methods typically involve mechanical cultivation of soil, which break up the soil structure and release carbon into the atmosphere
We researched and discovered a high-pressure air injection system used to de-compact soil to aid drainage and a recognised methodology of planting micr-forests following the Miyawaki principles. We combined these disciplines.
The Process
Barnard Park in Islington was chosen as a location for the project as the park was typical of inner cities with poor soil and drainage
We spread nutrient enriched topsoil over the area to a depth of 100mm after which we injected compressed air 1mtr spacings and up to 1m deep
Once de-compacted, using the same needle, we injected mycorrhriza, organic nutrients and biochar to improve the soil and aid drainage.
We planted cell grown trees and mulched with wood chip.
Result
The trial is ongoing and we continue to monitor and maintain the project.
