25” or 20” diameter rings for trees up to 24” box size. Two-piece design retrofits around existing trees and shrubs. Prevents erosion from runoff and captures rainwater. Custom color blend into ...
Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at ...
Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.
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