00440naa a2200145 a 450000100080000000500110000800800410001910000170006024500550007726000090013230000120014165000090015370000200016277301120018221195252020-02-11       1989    bl uuuu     u00u1 u    #d1 aSMYTH, T. J.  aPhosphorus fertilizer placement and profitability.  c1989  ap. 149.  aSolo1 aCRAVO, M. D. S.  tIn: CAUDLE, N. (Ed.). Tropsoils technical report 1986-1987. Raleigh: North Carolina State University, 1989.