Pullout Behaviour and Influencing Mechanisms of Desert Plant Roots in Clayey Sand During Thawing.

In soils with 6%, 8%, 10%, and 12% water contents, the F T of roots showed a trend of first gradually decreasing and then slightly increasing with temperature with 5 °C as the boundary.

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In the low-temperature slow thawing stage (−10 °C and −5 °C), the F W of roots showed an initial increase, then decreased, and subsequently returned to an increasing trend with the increase in soil water content (from 4% to 12%).

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This indicates that the F P values obtained at ≤−1 °C (low water content), ≤5 °C (high water content) and normal temperature are highly significant for the protection engineering of clayey sand slopes in arid and cold regions.

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