00469naa a2200157 a 450000100080000000500110000800800410001910000180006024501020007826000090018065000140018965000230020365000160022670000180024277300510026016058201995-06-27       1984    bl ---       0--  u    #d1 aCARTER, M. R.  aCrop utilization of placed and broadcast 15N-urea fertilizer under zero and conventional tillage.  c1984  aAgronomia  aMatéria Orgânica  aNitrogênio1 aRENNIE, D. A.  tCan. J. Soil Sci.gv.64, n.4, p.563-570, 1984.