00431naa a2200145 a 450000100080000000500110000800800410001910000190006024500890007926000090016865000140017765300120019165300120020377300700021520470692016-06-15       1986    bl ---       0--  u    #d1 aKIRKHAM, M. B.  aSimulation of oxigen movement to plant roots as affected by tillage width and depth.  c1986  aOxigênio  aPlantas  aRaízes  tSoil & Tillage Research, Amsterdamgv. 7, n. 3, p. 221-231, 1986.