Changes in root development of Arabidopsis promoted by organic matter from oxisols - Dobbss, L. B; Medici, L. O.; Peres, Lázaro Eustáquio Pereira; Pino-Nunes, L. E.; Rumjanek, V. M.; Façanha, A. R; Canellas, L. P. (Annals of Applied Biology, 2007)