00686naa a2200217 a 450000100080000000500110000800800410001910000200006024501410008026000090022165000160023065000260024665000130027265000090028565300190029465300270031370000160034070000200035670000230037677300690039913099902005-02-14       2004    bl uuuu     u00u1 u    #d1 aCOSTA, M. L. dA  aThe ceramic artifacts in archaeological balck earth (terra preta) from Lower Amazon region, Brazilbchemistry and geochemical evolution.  c2004  aterra preta  aComposição Química  aFósforo  aSolo  aBaixo Amazonas  aEvolução geoquímica1 aKERN, D. C.1 aPINTO, A. H. E.1 aSOUZA, J. R. da T.  tActa Amazonica, Manausgv. 34, n. 3, p. 375-386, jul./set. 2004.