Tropical trees in the legume family, like this Dipteryx tree, capture nitrogen from the air and convert it into a form available in the soil for their neighbors to use. (IMAGE)

Smithsonian Tropical Research Institute

Tropical trees in the legume family, like this Dipteryx tree, capture nitrogen from the air and convert it into a form available in the soil for their neighbors to use.

Caption

Tropical trees in the legume family, like this Dipteryx tree, capture nitrogen from the air and convert it into a form available in the soil for their neighbors to use.

Credit

Evan Gora, STRI

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