2006
DOI: 10.1016/j.geoderma.2006.03.018
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Influence of change in land use on the refractory organic macromolecular fraction of a sandy spodosol (Landes de Gascogne, France)

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Cited by 19 publications
(7 citation statements)
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“…Also, the 13 C NMR spectra confirmed aromatic enhancement in deforested soils (1‐OF and 1‐CC), in agreement with Nascimento et al (1992). Similar results were obtained by Quénéa et al. (2006), who reported an increase in the accumulation of the refractory organic macromolecular fraction in deforested soils under continuous maize crop, partly as a result of selective elimination of aliphatic constituents of plant biomass probably induced by agricultural use.…”
Section: Resultssupporting
confidence: 86%
“…Also, the 13 C NMR spectra confirmed aromatic enhancement in deforested soils (1‐OF and 1‐CC), in agreement with Nascimento et al (1992). Similar results were obtained by Quénéa et al. (2006), who reported an increase in the accumulation of the refractory organic macromolecular fraction in deforested soils under continuous maize crop, partly as a result of selective elimination of aliphatic constituents of plant biomass probably induced by agricultural use.…”
Section: Resultssupporting
confidence: 86%
“…The SOC fraction resistant to stepwise hydrolysis comprised 10–35% of the initial, mineral‐associated SOC. These proportions were larger than those reported in the < 10‐μm fraction of arable and forest soils (5–6% of initial SOC; Augris et al , 1998; Poirier et al , 2000, 2003), but comparable to quantities found in the topsoil of a sandy Spodosol in southwest France under pine forest (34% of initial SOC; Quénéa et al , 2005a,b) and maize cropping (20% of initial SOC; Quénéa et al , 2006).…”
Section: Discussionmentioning
confidence: 47%
“…stepwise hydrolysis using trifluoroacetic acid (TFA) and hydrochloric acid (HCl) (e.g. Poirier et al , 2003; Quénéa et al , 2006) or hydrolysis using HCl in a single step (e.g. Paul et al , 2001; Plante et al , 2006), oxidative treatments using several oxidants like hydrogen peroxide (H 2 O 2 ) (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, HCl hydrolysis might form condensed aromatic moieties as the ones typical for BC. Hydrolysis using TFA is usually applied to soils in order to circumvent this problem (Quénéa et al, 2006). However, for clayey tropical soils this method did not seem to yield satisfactory results, as carbon contamination could not be excluded (Table 3).…”
Section: Carbon Stabilisation In Tropical Soils On Strong Slopes Undementioning
confidence: 99%