FRDA Mechanical Site Preparation and Seedling Establishment in the IDFdk MSxk and ESSFxc Subzones

This FRDA Research Memo #218 investigates the effectiveness of various mechanical site preparation methods, specifically disc trenching, patch scarification, and ripping, on the establishment of conifer seedlings across three different biogeoclimatic subzones in British Columbia's interior. The study sought to determine the optimal mechanical treatment and the most favorable microsite planting positions for seedling survival and growth, particularly focusing on mitigating frost damage. After five years, results consistently showed that disc trenching and ripperdrag treatments offered the best outcomes across the subzones, with the specific microsite preference varying based on site moisture and elevation to best protect against environmental stressors like frost and drowning.

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BC Ministry of Forests

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Field Value
Author W.R. Mitchell
Publication Year 1994
License Other (Not open); Crown copyright (Province of British Columbia), all rights reserved
Last Updated January 28, 2026, 22:16 (UTC)
Created January 28, 2026, 18:06 (UTC)