00565naa a2200193 a 450000100080000000500110000800800410001910000170006024500860007726000090016365300170017265300140018965300190020365300190022270000170024170000200025870000190027877300740029710205722004-08-18       2004    bl uuuu     u00u1 u    #d1 aHOLST, P. J.  aGrazing of pasture weeds by goats and sheep. I. nodding thistle (Carduus nutans).  c2004  aErva daninha  aHerbicida  aPastagem mista  aPlanta daninha1 aALLAN, C. J.1 aCAMPBELL, M. H.1 aGILMOUR, A. R.  tExperimental Agriculture, Collingwoodgv. 44, n. 6, p. 547-551, 2004.