00453naa a2200181 a 450000100080000000500110000800800410001910000150006024500680007526000090014365000090015265000140016165000160017565000090019165300140020065300150021477300420022917978741999-07-19       1978    bl ---       0--  u    #d1 aWALKER, A.  aSimulation of the persistence of eight soil-applied herbicides.  c1978  asoil  aHerbicida  aSimulação  aSolo  aHerbicide  aSimulation  tWeed Researchgv.18, p.305-313, 1978.