00620naa a2200217 a 450000100080000000500110000800800410001910000200006024500910008026000090017165000160018065000160019665000140021265300240022665300240025065300130027465300150028770000160030270000200031877300640033818032152017-04-18       1984    bl ---       0--  u    #d1 aLOWRANCE, R. R.  aNutrient cycling in an agricultural watershedbII. Streamflow and artificial drainage.  c1984  aagriculture  aAgricultura  aNutriente  aArtificial drainage  aDrenagem artificial  aNutrient  aStreamflow1 aTODD, R. L.1 aASMUSSEN, L. E.  tJournal of Environmental Qualitygv.13, n.1, p.27-32, 1984.