00428naa a2200157 a 450000100080000000500110000800800410001910000190006024500710007926000090015065300220015965300140018165300150019570000160021077300440022610493602006-10-24       1977    bl ---       0--  u    #d1 aDEKKERS, W. A.  aEffect of aggregate size on leaching of herbicide in soil columms.  c1977  aEstrutura do solo  aHerbicida  aLixiviacao1 aBARBERA, F.  tWeed Researchgv. 17, p. 315-319, 1977.