Amabile, R.F. et al. 2000. Evaluation of green manures in different sowing dates and row-spacings in the cerrados region. Pesquisa Agropecuaria Brasileira. 35, 1 (Jan. 2000), 47–54. DOI:https://doi.org/10.1590/S1678-3921.pab2000.v35.5695.