Interaction genotypes x sowing periods in experimental F9:2 soybean lines - Moura, M. F; Pinheiro, José Baldin; Morais, Lizz Kezzy de; Moura, Nara Fernandes; Aguiar, Ananda Virgínia; Chaves, Lázaro José; Vencovsky, Roland; Zucchi, Maria Imaculada (Crop Breeding and Applied Biotechnology, 2004)