da Silva, D. B., Charchar, M. D. and Vivaldi, L. J. (1993) “Effects of seed treatment on the emergence of wheat and barley at two sowing depths”, Pesquisa Agropecuaria Brasileira, 28(3), pp. 303–311. doi: 10.1590/S1678-3921.pab1993.v28.3879.