00413naa a2200133 a 450000100080000000500110000800800410001910000240006024500700008426000090015470000170016370000160018077300830019618373432010-01-10       1958    bl ---       0--  u    #d1 aFEHRENBACHER, J. B.  aDeep tillage and deep fertilization experiment on a claypon soil.  c19581 aVAURA, J. P.1 aLANG, A. L.  tSoil Science Society of America Proceedings, Madisongv. 22, p. 553-557, 1958.