01663nam a2200373 a 450000100080000000500110000800800410001902000180006010000120007824500400009026001390013030000100026952006570027965000160093665000220095265000220097465000200099665000160101665000180103265000260105065000120107665000200108865000110110865000190111965000180113865000200115665000090117665300170118565300120120265300170121465300190123165300210125070000180127115579092007-01-09       1991    bl uuuu      00u1 u    #d  a0-935734-23-61 aLAL, R.  aSoil management for sustainability.  aAnkeny: Soil and Water Conservation Society / World Association of Soil and Water Conservation / Soil Science Society of Americac1991  a189p.  aThe vanishing resource; soil structure: processes and management; soil stresses important to management; soil compaction mechanisms and their control; soil erosion: processes, impacts, and prediction; erosion productivity impact prediction; adoption of conservation tillage and associated planting systems; management of agricultural land receiving wastewater sludges; farming by soil; energy efficiency and sustainability of farming systems; sustaining the resource base of an expanding world agriculture; natural resources assessment and policy; soil management research in the search for sustainable agriculture; soil management in the 21st century.  aagriculture  anatural resources  aSoil conservation  aSoil management  aAgricultura  aConservação  aConservação do solo  aErosão  aErosão do Solo  aManejo  aManejo do solo  aProdutividade  aRecurso Natural  aSolo  aConservation  aErosion  aProductivity  aSustainability  aSustentabilidade1 aPIERCE, F. J.