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1. Organic Matter Study of Whole Soil Samples Using Laser-Induced Fluorescence Spectroscopy

Author:
Galeti, Helder Vinicius Avanço,   et al.   ; Milori, Débora Marcondes Bastos Pereira; Martin-Neto, Ladislau; Dieckow, Jeferson; González-Pérez, Martha; Bayer, Cimélio; Salton, Júlio;     Show all 7 Authors
Source:
Soil Science Society of America journal 2006 v.70 no.1 pp. 57-63
ISSN:
0361-5995
Subject:
Oxisols; carbon; cerrado; conventional tillage; electron paramagnetic resonance spectroscopy; fluorescence; fluorescence emission spectroscopy; homogenization; humic acids; humification; indigenous species; iron; long term experiments; no-tillage; nuclear magnetic resonance spectroscopy; plant residues; soil organic matter; soil sampling; stable isotopes
Abstract:
... Fluorescence spectroscopy relies on the fluorescence emitted by rigid conjugated systems and thus can be used to assess the soil organic matter (SOM) humification. This technique is generally applied to solution samples of humic substances, and so far no information exists about its applicability to whole untreated soil samples. The laser-induced fluorescence (LIF) spectroscopy is proposed as a no ...
DOI:
10.2136/sssaj2004.0270