00676naa a2200229 a 450000100080000000500110000800800410001910000200006024500660008026000090014630000130015565000110016865000110017965000090019065000120019965000090021165300110022065300120023165300120024365300120025577301790026718230751994-09-27       1990    bl uuuu     u00u1 u    #d1 aKOCHHANN, R. A.  aThe Brazil-Canada tillage projectbthe Brazilian perspective.  c1990  ap. 1-12   aBrazil  aCanada  asoil  atillage  aSolo  aBrasil  aPreparo  aProject  aProjeto  tIn: INTERNATIONAL WORKSHOP ON CONSERVATION TILLAGE SYSTEMS, 1990, Passo Fundo. Conservation tillage for subtropical areas: proceedings. Passo Fundo: CIDA: EMBRAPA-CNPT, 1990.