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Cottonwood Exposed Root Rot: Cover with Sand, Fertilize

Cottonwood roots above ground; one shows rot holding water. Likely mower damage let in decay fungus. Cover exposed roots with ≤2″ sand (porous). Fertilize with 10‑10‑10 at 1 lb per inch trunk diameter. Sand first, then fertilizer. Other roots compensate.

Trees: Cottonwood Tree Too Close to House: Root Damage Risks; Cutting Neighbor's Tree Roots Under Sidewalk and Foundation; Tree Root Damage from Neighbor's Excavation: Risks to Spruce and Foundation; Sycamore Surface Roots: Cut ≤20 % + Root Barrier; Grinding Cottonwood Surface Roots: A Risk to Tree Stability; Building Near Oak: Root Cutting Limits and Protection; Michelia Alba Root Trauma: Emergency Recovery Protocol; Transplanting a Massive Cottonwood: Is It Possible?; Stopping Leaking Mulberry Tree Roots with Roundup; Protecting Fig Trees During Construction: Root Cutting Risks and Alternatives

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