00579nam a2200181 a 450000100080000000500110000800800410001910000170006024501260007726000500020330000100025349000600026365000160032365000120033965000090035170000190036070000180037912501332005-06-01       1973    bl uuuu      00u1 u    #d1 aWAUGH, D. L.  aDiscontinuous models for rapid correlation, interpretation, and utilization of soil analysis and fertlizer response data.  aRaleigh: Nort Carolina State Universityc1973  a77 p.  a(Nort Carolina State University. Tecnical bulletin, 7).  aFertilidade  aMétodo  aSolo1 aCATE JR. R. B.1 aNELSON, L. A.