Leal, O. dos A. Castilhos, R.M.V. Pauletto, E.A. Pinto, L.F.S. Fernandes, F.F. Penning, L.H. Rosa, C.M. da <br/><br/>
Organic matter fractions and quality of the surface layer of a constructed and vegetated soil after coal mining. I - Humic substances and chemical characterization 

<br/><br/><label>Subjects--Topical Terms: </label><br/>GRAMÍNEA PERENE<br/>ANÁLISE DO SOLO<br/>RECUPERAÇÃO DO SOLO