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Journal of Tropical Ecology (1)

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Nodulation dynamics and nodule activity in leguminous tree species of a Mexican tropical dry forest
Teresa González-Ruiz, Víctor J. Jaramillo, Juan José Peña Cabriales, Arturo Flores
Journal:

Journal of Tropical Ecology / Volume 24 / Issue 1 / January 2008

Published online by Cambridge University Press:

01 January 2008, pp. 107-110
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Biological N fixation by symbiotic micro-organisms plays a key role in making atmospheric N largely available to other organisms and nodule formation by rhizobia in roots of many legume species represents a very important pathway (Postgate 1998). Estimates of the contribution of symbiotic fixation to total N content in soils range from 44 to 200 Tg y−1 (Bøckman 1997).