Ricci, M. dos S.F. et al. 2000. Effects of soil solarization on purple nutsedge population density and on productivity of vegetable crops under organic cultivation. Pesquisa Agropecuaria Brasileira. 35, 11 (Nov. 2000), 2175–2179. DOI:https://doi.org/10.1590/S1678-3921.pab2000.v35.6009.