[1]
M. L. R. Mesquita, L. A. Andrade, e W. E. Pereira, “<b>Soil weed seed bank <i>in situ</i> and <i>ex situ</i&gt; at a smallholder field in Maranhão State, northeastern Brazil”, Acta Sci. Agron., vol. 37, nº 1, p. 93-100, nov. 2014.