00852nam a2200265 a 450000100080000000500110000800800410001910000190006024501150007926001100019430000080030465000130031265000200032565000220034565000220036765000240038965000210041365000240043465300110045865300190046965300170048865300380050565300220054370000210056513945442022-08-12       1998    bl uuuu     u00u1 u    #d1 aVLEK, P. L. G.  aSecondary forest and fallow vegetation in the eastern Amazon regionba brief overview of the project approach.  aIn: SHIFT-WORKSHOP, 3., 1998, Manaus. Program, abstracts of presentation and posters. [S.l.]: SHIFTc1998  aP1.  aAmazonia  afarming systems  aresearch projects  asecondary forests  aFloresta Secundaria  aPequeno Produtor  aProjeto de Pesquisa  aBrasil  aFallow systems  aSamll farmer  aSistema de exploração agrícola  aSistema de pousio1 aSERRAO, E. A. S.