00459naa a2200145 a 450000100080000000500110000800800410001910000210006024500690008126000090015065300190015965300180017870000260019677300910022210582022008-04-01       2006    bl uuuu     u00u1 u    #d1 aOLIVEIRA, A.B.de  aFormas de manganes e ferro em solos de referencia de Pernambuco.  c2006  aMicronutriente  aSolo tropical1 aNASCIMENTO, C.W.A.de.  tRevista Brasileira de Ciencia do Solo, Vicosagv. 30, n. 1, p. 99-110, jan./fev. 2006.