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Forestry Sciences Laboratory - Moscow, Idaho
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Soil & Water
Engineering Publications


Project Leader:
William J. Elliot
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Performance assessment of wood strand erosion control materials among varying slopes, soil textures, and cover amounts

Yanosek, K.A.; Foltz, R.B.; Dooley, J.H. 2006. Performance assessment of wood strand erosion control materials among varying slopes, soil textures, and cover amounts. Journal of Soil and Water Conservation 61(2):45-51.

Keywords: Mitigation, runoff, soil erosion control, straw mulch, water quality, wood strand

Links: pdf PDF [401 KB]

Abstract: Two blends of manufactured wood strands with different lengths were tested for effectiveness in controlling erosion. Wood strand blends were tested on two soils, two slopes, and at three coverage amounts. Laboratory rainfall simulations were conducted to evaluate runoff and sediment loss. Wood strands were effective in delaying runoff, reducing runoff volume, and reducing sediment loss. There was no statistically significant difference between the two wood strand blends with respect to runoff or sediment loss. In comparison to bare soil with no cover, sediment loss was reduced by at least 70 percent for all cover amounts tested and among each soil type, slope and flow event. In comparison to estimates of sediment loss reductions due to agricultural straw (Burroughs and King, 1989), wood strand materials were equally effective on coarse grained soils and superior to straw on fine grained soils. In contrast to agricultural straw, manufactured wood strands are inherently weed and pesticide free. Consequently, wood-based materials may be a more appropriate material for erosion mitigation, especially in areas where introduction of non-native species is of great concern.

Moscow FSL publication no. 2006a