Ciclo Nitrogeno

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Ciclo Nitrogeno

  1. 1. Ciclo biológico del nitrógeno
  2. 2. Reservas de nitrógeno Reservas Tamaño de la reserva (g N) ---------------------------------------------------------------------- Litosfera 1.0 x 1023 Atmósfera 3,9 x 1021 Carbón 1.0 x 1017 99% como N2 Hidrosfera 2.3 x 1019 N-orgánico suelo 1.0 x 1017 N-NH4+ fijado 2.0 x 1016 N biota 3.5 x 1015 N microbiano 1.5 x 1015

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