Biotic Soil Amendment Applied to Enhance Soil These photos are available for educational, non-commercial purposes. To download the photo, right-click your mouse over the picture or click on the hyperlink below the photo. The ECTC logo must remain on the photo and ECTC must be credited when the photo is used. Biotic Soil Amendment (BSA) can be used to enhance soil fertility. On this site, Erosion Control Blankets (ECBs)
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