@article{article16090a3e,
title   = {Effect of fermentation residue on the spectral reflectance properties of soils},
author = {Demattê, José Alexandre Melo and Gama, M. A. P. and Cooper, Miguel and Araújo, J. C. and Nanni, M. R. and Fiorio, P. R.},
year = {2004},
doi = {10.1016/j.geoderma.2003.08.016},
journal   = {Geoderma}
}