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Line 1: − + − − ''Soil amendment guidelines (from 2010 guide section 3 - placed here by Jen) − {{textbox|1=Soil amendment sizing criteria: − impervious area / soil area = 1 − *use 100 mm compost, till to 300 - 450 mm depth − impervious area / soil area = 2 − *use 200 mm compost, till to 300 - 450 mm depth − impervious area / soil area = 3 − *use 300 mm compost, till to 450 - 600 mm depth − Compost should consist of well-aged (at least one year) leaf compost. Amended soil should have an organic content of 8-15% by weight or 30-40% by volume. − Source: Soils for Salmon, 2005}} − − Info from Preserving and Restoring Healthy Soil: Best Practices for Urban Construction v 2.0 (placed by Jen) − #Subsoil scarification (i.e., decompaction treatment) depth changes from minimum of 10 cm to 45 cm; − #Topsoil/Planting Soil depth for tree pits changed from minimum of 60 cm to 20 cm; − #Total uncompacted soil depth changed from 30 cm to 65 cm for turf/lawn and planting beds, and from 90 to 65 cm for tree pits; − − − Reference: Preserving and Restoring Healthy Soil: Best Practices for Urban Construction (TRCA 2012).
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STEP currently have a guide to amending and improving topsoil to improve the water retention capacity and promote healthy vegetation. I can be found [https://sustainabletechnologies.ca/home/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/ here] on our main website.
STEP have a guide to amending and improving topsoil to improve the water retention capacity and promote healthy vegetation. I can be found [https://sustainabletechnologies.ca/home/healthy-soils/construction-specifications-for-implementing-compost-amended-planting-soil-in-ontario/ here] on our main website.
==Tool and other info==
==Tool and other info==