The influence of nonlinear trends on the power of the trend-free pre-whitening approach. Acta Scientiarum. Agronomy, [S. l.], v. 37, n. 1, p. 21–28, 2014. DOI: 10.4025/actasciagron.v37i1.18199. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/18199. Acesso em: 3 jun. 2026.