00418naa a2200133 a 450000100080000000500110000800800410001910000200006024501140008026000090019470000160020370000200021977300450023918345232010-01-10       1981    bl ---       0--  u    #d1 aHARGROVE, W. L.  aInfluence of tillage practices for double-cropped wheat and soybeans on the fertility status of an acid soil.  c19811 aREID, J. T.1 aTOUCHTON, J. T.  tAgronomy Abstractsgv. 73, p. 178, 1981.