00511nam a2200169 a 450000100080000000500110000800800410001910000180006024500720007826000900015030000080024049000500024865000140029865000110031265000100032365300080033312928051997-11-28       1978    bl uuuu     u0uu1 u    #d1 aBENSON, N. R.  aEfficacy, leaching and persistence of herbicides in apple orchards.  aWashington: Washington State University. College of Agriculture Research Centerc1978  a4p.  a(Washington State University. Bulletin, 863).  aHerbicida  aMaçã  aPomar  aUso