00368naa a2200133 a 450000100080000000500110000800800410001910000190006024500730007926000090015265000120016165000090017377300520018216025331995-06-27       1970    bl ---       0--  u    #d1 aPERKINS, H. F.  aA rapid method of evaluating the zinc status of coastal plain soils.  c1970  aMétodo  aSolo  tSoil Sci. Plant Anal.gv.1, n.1, p.35-42, 1970.