00561nam a2200169 a 450000100080000000500110000800800410001910000190006024501170007926000770019630000140027365000290028765000090031665000280032570000210035370000170037414084302022-10-18       1998    bl uuuu     u00u1 u    #d1 aVLEK, P. L. G.  aSecondary forests and fallow vegetation in the eastern Amazon region - a brief overview of the project approach.  aIn: SHIFT-WORKSHOP, 3., 1998, Manaus. Proceedings... Hamburg: GKSSc1998  ap. 45-48.  aFixação de Nitrogênio  aSolo  aVegetação Secundária1 aSERRAO, E. A. S.1 aFÖLSTER, H.