TY - JOUR T1 - Germination of seeds of tropical pioneer species under controlled and natural conditions JO - Brazilian Journal of Botany A1 - VÁLIO, IVANY FERRAZ MARQUES A1 - SCARPA, FABIANO MICHELETTO SN - 0100-8404 UL - 10.1590/S0100-84042001000100009 VL - 24 Y1 - 2001 PB - Brasil ER -