00369nam a2200145 a 450000100080000000500110000800800410001910000150006024500390007526000470011430000100016149000260017165000090019770000170020619487532013-03-14       1969    bl uuuu     u0uu1 u    #d1 aMAPLES, R.  aSoybean fertilization experiments.  aFayetteville: University of Arkansasc1969  a20 p.  a(Report Series, 178).  aSoja1 aKEOGH, J. L.