Mycorrhizal network: a bidirectional pathway between green-leaved terrestrial orchids and pine trees
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Underground fungal networks connect plant roots like a trading system. Scientists studied how three types of orchids and pine trees exchange carbon and nitrogen through these fungal connections. They found that each orchid species trades resources differently, with carbon consistently flowing from pine to orchids, but nitrogen movement varying by species. This shows that these underground networks are more complex and flexible than previously thought.