00621nam a2200121 a 450000100080000000500110000800800410001910000200006024502330008026001290031365300290044265300280047118751792012-11-27       2010    bl uuuu     u00u1 u    #d1 aTEIXEIRA, W. G.  aOld anthropicsoil horizons in the tropics - amazonian dark earths (terra preta do índio), shell mounds (sambaquis) and earthworks (geoglifos)bits characterization and lessons to be learned from the past.h[electronic resource]  aIn: WORKSHOP PROTECTING OUR FUTURE THROUGH SOIL CONSERVATION, 1., 2010, Bremen. Abstracts... Bremen: Jacobs universityc2010  aAnthropic soils horizons  aFormation and evolution