Agriculture Reference
In-Depth Information
[39]
Francioso, O., Sánchez-Cortés, S., Casarini, D., Garcia-Ramos, J.V., Ciavatta, C.,
Gessa, C. (2002). Spectroscopic study of humic acids fractionated by means of
tangential ultrafiltration.
J. Mol. Struct.
609, 137-147.
[40]
[40] Zaccheo, P., Cabassi, G., Ricca, G., Crippa, L. (2002). Decomposition of organic
residues in soil: experimental technique and spectroscopic approach.
Org.
Geochem.
33, 327-345.
[41]
Amalfitano, C., Pignalosa, V., and Ramunni, A. Chemical and physical properties of
humic acids extracted from an andisol manured with green horse bean. In: Senesi, N.
and Miano, T.M. (Eds.). Humic substances in the global environment and implications
on human health. Amsterdam, Elsevier, 1994, pp. 219-226.
[42]
Rao, C.N.R.,
Chemical applications of infrared spectroscopy
. New York and London,
Academic Press, 1963.
[43]
Baldock, J.A., and Preston, C.M. Chemistry of carbon decomposition processes in
forests as revealed by solid-state carbon-13 NMR. In: Kelly, J.M. and McFee, W.W.
(Eds.).
Carbon forms and functions in forest soils.
Madison, WI, SSSA, 1995, pp. 89-
117.
[44]
Breitmaier, E., Voelter, W. 13CNMR Spectroscopy. In: Ebel H.F. (Ed.) Monographs in
Modern Chemistry, Vol. 15, 2nd Edition. Weinheim, Germany,
Verlag Chemie,
1978,
pp. 247-260.
[45]
Ellerbrock, R.H., Höhn, A., Rogasik, J. (1999). Functional analysis of soil organic
matter as affected by long-term manurial treatment.
Eur. J. Soil Sci.
59, 65-71.