00404nam a2200157 a 450000100080000000500110000800800410001910000110006024500510007126000500012250000140017265000120018665000090019870000200020770000190022714676002011-09-05       1998    bl uuuu     u0uu1 u    #d1 aLAL, R  aManaging U.S. cropland to sequester C in soil.  aFort Collins: The Ohio State Universityc1998  a1 folder.  aCarbono  aSolo1 a. KIMBLE, J. M.1 aFOLLETT, R. F.