Schnitzer, J.A., Faria, R.T. de, Ventura, M.U. and Sorace, M. 2009. <b>Substratum and pyroligneous extract in the cultivation of Brazilian orchids <em>Cattleya intermedia</em> (John Lindley) and <em>Miltonia clowesii</em> (John Lindley) (Orchidaceae)</b&gt; - DOI: 10.4025/actasciagron.v32i1.714. Acta Scientiarum. Agronomy. 32, 1 (Nov. 2009), 139-143. DOI:https://doi.org/10.4025/actasciagron.v32i1.714.