2015
DOI: 10.1590/0103-9016-2014-0026
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Abstract: The flat pampas in the state of Santa Fe in Argentina have soils with high silt content, variable carbon content, and diverse degrees of structural degradation. Aggregate stability has been used as an indicator of the structural condition of the soil. This study aimed to quantify the effect of the addition of crop residues and root activity on the agents of aggregation and mechanisms of aggregate breakdown in soils with different carbon contents and textures cultivated under no-till. An experimental trial was … Show more

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Cited by 52 publications
(22 citation statements)
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“…Easily extractable glomalin (EEG) related soil protein of each aggregate class was extracted from the soil according to the methodology of Wright and Upadhyaya (1998) and quantified by the Bradford test (Bradford, 1976) using bovine serum albumin (BSA) as standard. We measured absorbance at 595 nm in a colorimeter (Carrizo et al, 2015).…”
Section: Cultivation Of Citrus Trees Intercropped With Annual Crops Acmentioning
confidence: 99%
“…Easily extractable glomalin (EEG) related soil protein of each aggregate class was extracted from the soil according to the methodology of Wright and Upadhyaya (1998) and quantified by the Bradford test (Bradford, 1976) using bovine serum albumin (BSA) as standard. We measured absorbance at 595 nm in a colorimeter (Carrizo et al, 2015).…”
Section: Cultivation Of Citrus Trees Intercropped With Annual Crops Acmentioning
confidence: 99%
“…The influence of the texture on the aggregation properties was evidenced by the significant correlation (p<0.01) between silt + clay and mass proportions in different aggregate size classes (r = 0.95 for 4-2 mm class, r = -0.91 for 0.5-0.25 mm class, and r = -0.79 for 0.25-0.105 mm class), MWD (r = 0.94) and MGD (r = 0.90), although we did not consider wet stability here, which hampers a discussion about the real stability of these aggregates. Even so, it is important to stress that the stability of aggregates, in wet or dry conditions, is extremely dependent on soil texture as well as SOM (Carrizo et al, 2015), as demonstrated by Gomes et al (2012) for kaolinitic soils of tertiary landscapes such as those studied here. (1) All under native forest: CF = Coruripe; UF = Umbaúba; VF = Nova Viçosa; SF = Sooretama; IF = Itaboraí.…”
Section: Resultsmentioning
confidence: 88%
“…In support of this, some literature showed that the SOC stability is strongly related to the stabilization of soil aggregates (e.g. Singh et al, 2009;Carrizo et al, 2015). However, there are studies who observed reductions (e.g.…”
Section: Long-term Burning and Mowing Impacts On Co 2 Emissions From mentioning
confidence: 83%