00276naa a2200109 a 450000100080000000500110000800800410001910000180006024500350007826000090011377300440012216152351995-06-27       1981    bl ---       0--  u    #d1 aTROUGHTON, A.  aLength of life of grass roots.  c1981  tGrass For. Sci.gv.36, p.117-120, 1981.