00293naa a2200109 a 450000100080000000500110000800800410001910000150006024500370007526000090011277300620012110668252009-11-12 2009 bl uuuu u00u1 u #d1 aFRANCO, L. aBrasil lidera uso de defensivos. c2009 tGlobo Rural, São Paulogv. 24, n. 287, p.74, set., 2009.