[1]
Silva, M.A.G. da, Muniz, A.S., Mata, J. de D.V. da and Cegana, A.C.V. 2008. <b>Extractors for zinc and copper quantification in soils cultivated with soybean</b&gt; - DOI: 10.4025/actasciagron.v26i3.1832. Acta Scientiarum. Agronomy. 26, 3 (Apr. 2008), 361-366. DOI:https://doi.org/10.4025/actasciagron.v26i3.1832.