01126nam a2200361 a 450000100080000000500110000800800410001902000150006010000140007524500630008926000330015230000160018549000540020152001660025565000170042165000300043865000090046865000220047765000180049965000260051765000270054365000200057065000220059065000090061265300170062165300250063865300170066365300120068065300160069265300260070865300100073465300200074416648251998-06-18       1990    bl uuuu      00u1 u    #d  a085198648X1 aYOUNG, A.  aAgroforestry for soil conservation.h[electronic resource]  aWallingford: CAB/ICRAFc1990  a276 p., il.  a(ICRAF. Science and Practice of Agroforestry, 4).  aSoil conservation and agroforestry. Agroforestry for control of soil erosion. Agroforestry for maintenance of soil fertility. Agroforestry for soil conservation.  aagroforestry  aenvironmental degradation  asoil  aAgrossilvicultura  aConservação  aConservação do Solo  aDeterioração do Solo  aErosão do Solo  aFloresta Tropical  aSolo  aAgrofloresta  aAgroforestry systems  aConservation  aErosion  aReclamation  aSistema agroflorestal  aSoils  aTropical forest