00325nam a2200121 a 450000100080000000500110000800800410001910000150006024500560007526000520013165000110018365000090019410666282004-06-29               bl uuuu     u0uu1 u    #d1 aEMATER-RS.  aManejo ecológico do solo com plantas de cobertura.  aPorto Alegre: EMATER-RS: ASCAR, [200-]. 4 p.c0  aManejo  aSolo