00570naa a2200169 a 450000100080000000500110000800800410001910000200006024500710008026000090015165000110016065000150017165000190018665000240020565300110022977301600024020691422017-05-03       1952    bl uuuu     u00u1 u    #d1 aFAGUNDES, A. B.  aSoil fertility relationships in the region of Sete Lagoas, Brazil.  c1952  aBrazil  aGrasslands  aSoil fertility  aFertilidade do solo  aBrasil  tIn: INTERNATIONAL GRASSLAND CONGRESS, 6., 1952, State College, PA. Proceedings... State College, PA: Pennsylvania State College, 1952.gv. 2. p. 1473-1478.