Effect of liming on organically complexed aluminum of nonallophanic Andosols from northeastern Japan

Takahashi, Tadashi; Ikeda, Yuya; Fujita, Kenshi; Nanzyo, Masami

doi:10.1016/j.geoderma.2005.01.006

Cited by 28 publications

(19 citation statements)

References 12 publications

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“…(Takahashi et al, 2012). (Takahashi et al, 2006a), as was later verified in a laboratory incubation (Miyazawa et al, 2013). These results are consistent with field studies that demonstrated a marked decrease in Al p and SOM contents of Ap horizons in Andosols following cultivation and liming (Saigusa et al, 1988;Verde et al, 2005).…”

Section: Organic Carbon Accumulation In Andosolssupporting

confidence: 84%

“…(Takahashi et al, 2003). non-allophanic Andosols may also be expected due to a considerable decrease in Al p (Al-humus complexes) following lime addition (Takahashi et al, 2006a). These results are supported by Saigusa et al (1988) who showed a significant decrease in Al p and a decrease of P retention in Ap horizons of non-allophanic Andosols following cultivation and lime addition.…”

Section: Phosphorus Dynamicsmentioning

confidence: 52%

“…As previously discussed, Al-humus complexes are assumed to protect soil humus from decomposition by microorganisms and enzymes (Baldock and Broos, 2011;Mikutta et al, 2007;Schneider et al, 2010). However, Takahashi et al (2006a) showed a remarkable decrease of Al p values (7 -52%) following liming of A horizon soils from non-allophanic Andosols in a laboratory study. The authors postulated that the reduction of Al-humus complexes could lead to an increase in C mineralization by liming Fig.…”

Section: Organic Carbon Accumulation In Andosolsmentioning

confidence: 93%

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Nature, properties and function of aluminum–humus complexes in volcanic soils

2016

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Andosols (or Andisols) possess several distinctive properties that are rarely found in other groups of soils. These properties are largely due to the dominance of short-range-ordered minerals (allophane, imogolite and ferrihydrite) and/or metal-humus complexes (Al/Fe-humus complexes) in their colloidal fraction. While several papers have extensively reviewed the nature and properties of short-range-ordered minerals, there is no comprehensive review of the genesis, characteristics and management implications of Al-humus complexes, the dominant form of active Al in non-allophanic Andosols. In this review, we survey the chemical characteristics of Al-humus complexes and discuss the pedogenic environment favoring their formation in non-allophanic Andosols. The role of Al-humus complexes in carbon cycling and soil organic carbon accumulation is emphasized as an important mechanism controlling organic dynamics in Andosols. While non-allophanic Andosols share many common properties with allophanic Andosols, they display several distinct characteristics associated with Al-humus complexes, such as strong acidity and high exchangeable Al content that impair agricultural productivity due to Al phytotoxicity. Thus, we focus on the role of Al-humus complexes in regulating aqueous Al 3+ solubility and release/retention kinetics, Al phytotoxicity, phosphorus dynamics, and suppression of soil-borne diseases. Knowledge of these soil properties as related to Al-humus complexes is necessary to develop effective soil management practices to assure sustainable agricultural productivity in non-allophanic Andosols. Finally, future research needs are identified concerning the role of Al-humus complexes in regulating soil biogeochemical processes.

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Section: Organic Carbon Accumulation In Andosolssupporting

confidence: 84%

Section: Phosphorus Dynamicsmentioning

confidence: 52%

Section: Organic Carbon Accumulation In Andosolsmentioning

confidence: 93%

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Nature, properties and function of aluminum–humus complexes in volcanic soils

2016

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“…The liberation of Al from soil under alkali treatments was also accompanied by the release of OMd (see Table 2), suggesting that Al-humus complexes could be dissolved due to the action of alkali solutions. This hypothesis is consistent with findings of Takahashi et al (2006), who observed a significant reduction in organically complexed Al after liming in acid soils.…”

Section: Kinetics Of Cu Releasesupporting

confidence: 93%

pH-dependent copper release in acid soils treated with crushed mussel shell

Garrido-Rodríguez

Fernández‐Calviño

Nóvoa-Muñoz

et al. 2013

Int. J. Environ. Sci. Technol.

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The aim of this study was to assess the influence of pH on copper mobilization in two copper-rich acid soils (from vineyard and mine) amended with crushed mussel shell. Crushed mussel shell amended soils (0-48 Mg ha -1 ) were subjected to the effect of several acid and alkali solutions in a batch experiment in order to study their copper release. Copper distribution was studied in decanted soils from batch experiments using a sequential extraction procedure, whereas the effect of crushed mussel shell on copper release kinetics was studied using a stirred flow reactor. When soils were treated with acid solutions, the copper mobilization from non-amended soils was significantly higher than from the amended samples. Major changes in copper fractionation were an increase of the acid soluble fraction in acid-treated vineyard soil samples with shell dose. For the mine soil, the oxidable fraction showed a relevant diminution in acid-treated samples at the highest crushed mussel shell dose. For both soils, copper desorption rates diminished up to 86 % at pH 3 when crushed mussel shell was added. At pH 5, copper release rate was very slow for both soils decreasing up to 98 % for the mine soil amended with the highest shell dose, whereas no differences were observed at pH 7 between amended and non-amended soils. Thus, crushed mussel shell addition could contribute to reduce potential hazard of copperenriched soils under acidification events.

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“…Increased Al release from allophane at decreasing pH was also found by Farmer and Lumsdon (2002). Takahashi et al (2005) found that as a result of liming treatments, the amounts of organically complexed Al decreased significantly. Dahlgren and Saigusa (1994) found in Andisols evidence for the precipitation of released Al from allophanic components on soil surfaces, while Walker et al (1988) found more specifically that soluble Al was adsorbed extremely rapid on common soil minerals such as vermiculite.…”

Section: Effect Of Soil Ph On Soc Stabilizationmentioning

confidence: 96%

Aggregate and soil organic carbon dynamics in South Chilean Andisols

et al. 2005

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Abstract. Extreme sensitivity of soil organic carbon (SOC) to climate and land use change warrants further research in different terrestrial ecosystems. The aim of this study was to investigate the link between aggregate and SOC dynamics in a chronosequence of three different land uses of a south Chilean Andisol: a second growth Nothofagus obliqua forest (SGFOR), a grassland (GRASS) and a Pinus radiata plantation (PINUS). Total carbon content of the 0-10 cm soil layer was higher for GRASS (6.7 kg C m −2 ) than for PINUS (4.3 kg C m −2 ), while TC content of SG-FOR (5.8 kg C m −2 ) was not significantly different from either one. High extractable oxalate and pyrophosphate Al concentrations (varying from 20.3-24.4 g kg −1 , and 3.9-11.1 g kg −1 , respectively) were found in all sites. In this study, SOC and aggregate dynamics were studied using size and density fractionation experiments of the SOC, δ 13 C and total carbon analysis of the different SOC fractions, and C mineralization experiments. The results showed that electrostatic sorption between and among amorphous Al components and clay minerals is mainly responsible for the formation of metal-humus-clay complexes and the stabilization of soil aggregates. The process of ligand exchange between SOC and Al would be of minor importance resulting in the absence of aggregate hierarchy in this soil type. Whole soil C mineralization rate constants were highest for SGFOR and PINUS, followed by GRASS (respectively 0.495, 0.266 and 0.196 g CO 2 -C m −2 d −1 for the top soil layer). In contrast, incubation experiments of isolated macro organic matter fractions gave opposite results, showing that the recalcitrance of the SOC decreased in another order: PINUS>SGFOR>GRASS. We deduced that electrostatic sorption processes and physical protection of SOC in soil aggregates were the main processes determining SOC stabilization. As a result, high aggregate carbon concentraCorrespondence to: D. Huygens (dries.huygens@ugent.be) tions, varying from 148 till 48 g kg −1 , were encountered for all land use sites. Al availability and electrostatic charges are dependent on pH, resulting in an important influence of soil pH on aggregate stability. Recalcitrance of the SOC did not appear to largely affect SOC stabilization. Statistical correlations between extractable amorphous Al contents, aggregate stability and C mineralization rate constants were encountered, supporting this hypothesis. Land use changes affected SOC dynamics and aggregate stability by modifying soil pH (and thus electrostatic charges and available Al content), root SOC input and management practices (such as ploughing and accompanying drying of the soil).

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Effect of liming on organically complexed aluminum of nonallophanic Andosols from northeastern Japan

Cited by 28 publications

References 12 publications

Nature, properties and function of aluminum–humus complexes in volcanic soils

Nature, properties and function of aluminum–humus complexes in volcanic soils

pH-dependent copper release in acid soils treated with crushed mussel shell

Aggregate and soil organic carbon dynamics in South Chilean Andisols

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