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By DONALD J. FREDERICK
National Geographic News
A fungus that often doubles the growth rate of pine seedlings may some day help rejuvenate forests and reclaim strip-mined land.
Some fungi have a superior capacity for absorbing water and nutrients, and they carry these essentials to trees. The trees, in turn, manufacture carbohydrates through photosynthesis and transport them to their roots, where the fungi use them as nourishment.
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