00607naa a2200169 a 450000100080000000500110000800800410001910000180006024500850007826000090016350000440017265000090021665300190022570000230024470000190026777301510028618559282011-03-02       2010    bl ---       0--  u    #d1 aCORREA, J. C.  aAgricultural production systems and soil fertility in the Pinhal River sub-basin  c2010  aProjeto/Plano de Ação: 16.00.30004-00  aSolo  aFertilização1 aPALHARES, J. C. P.1 aCURIOLETTI, F.  tIn: CENTURY WATERSHED TECHNOLOGY: IMPROVING WATER QUALITY AND ENVIRONMENT CONFERENCE, 21., 2010, Costa Rica. Proceedings... Michigan: ASABE, 2010.