Iron Compounds and the Color of Soils in the Sakhalin Island

Vodyanitskiĭ, Yu. N.; Кириллова, Н. П.; Манахов, Д. В.; Karpukhin, M. M.

doi:10.1134/s1064229318020138

Cited by 7 publications

(5 citation statements)

References 26 publications

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“…This fact can be an indirect sign of higher-intensity podzolization during the previous stages of soil development. It can also be noted that the Fe d content in the studied soils, as a rule, coincides with the chromatic maximum, and strong relations of these parameters were reported for similar soils in other regions [37].…”

Section: Soil Morphology and Classificationsupporting

confidence: 76%

Patterns of soil cover organization within the northern part of the Kondinskaya lowland (Western Siberia)

Kurasova

Konstantinov

Kulizhskiy

et al. 2020

Tomsk State University Journal of Biology

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The paper presents the results of the studies devoted to the morphological features and properties of soils representing different geomorphological conditions within the elevated relief forms of the Kondinskaya lowland, with the example of the Kondinskie Lakes Natural Park area. The northern part of the Kondinskaya lowland is characterized by a contrasting and diverse relief, which is generally not typical of the middle taiga zone of Western Siberia. Soil-morphological and-geomorphological methods formed the structural framework of this research. The results showed that Folic Albic Podzols (Geoabruptic) formed on the flat tops of ridges are characterized by a moderate thickness of the E horizon, the largest number of rock fragments, as well as by bedding with loams that have signs of paleocryogenic deformations. Albic Podzols of terraced slopes have more developed E and Bs horizons with large wedge like tongues having depth of about one meter. This group of soils is distinguished by the most diverse structure of the upper part of the profile due to the variability of morphological elements related to biogenic pedoturbations. Albic Lamellic Arenosols occupying steep slopes of the ridges are less developed, and erosional processes often interrupt soil development within this geomorphic position. Albic Gleyic Podzols (Turbic) formed under the steep slopes of high ridges develop over buried Podzols, and often contain charcoal-enriched interlayers in the bottom and middle parts of the profile. Formation of a complex profile, with series of burials, is possibly associated with the activation of erosional processes related to fires and ancient human activity. Study results showed that there is a strong relationship between the lithology on the one hand, and the intensity of podzolization and variability of soil morphological elements related to biogenic pedoturbations on the other hand. The paper contains 5 Figures, 1 Table and 51 References.

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Section: Soil Morphology and Classificationsupporting

confidence: 76%

Patterns of soil cover organization within the northern part of the Kondinskaya lowland (Western Siberia)

Kurasova

Konstantinov

Kulizhskiy

et al. 2020

Tomsk State University Journal of Biology

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“…The clay contains around 13.46 % iron (III) oxide (Fe 2 O 3 ), which is within the range shown by natural clays [ 26 ]. The iron oxide content of a clay is reported to affect its color [ 27 ] and it is associated with the presence of many clay fractions such as kaolinite, illite and smectite [ 28 ]. The clay is composed of 22 wt% CaO, indicative of calcite presence, and this amount is considered to be high compared to natural clays.…”

Section: Resultsmentioning

confidence: 99%

Preparation and characterization of clay based ceramic porous membranes and their use for the removal of lead ions from synthetic wastewater with an insight into the removal mechanism

Khalil,

Elgamouz,

Nazir

et al. 2024

Heliyon

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“…This made it possible to identify the Haplustox diagnostic horizon B (Bw) in profiles 3, 5, and 6 (Santos et al, 2018). The color of profiles 1, 3, and 4 was classified from the color classification as being the 10 YR hue, owing to the hydrolysis of the primary minerals forming the goethite, which is a function of the tropical environment that occurs in this region (Vodyanitskii, Kirillova, Manakhov, & Karpukhin, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…The possible presence of iron oxides may also be responsible for the best aggregation on the horizon Bvg (Duiker, Rhoton, Torrent, Smeck, & La, 2003). This moisture condition may hinder the neogenesis of 1:1 phyllosilicates and possibly led to the reduction of smectites iron that, despite having a bluish-green color, assume a gray color after the reduction of iron present in them (Vodyanitskii et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Agricultural potential and soil use based on the pedogenetic properties of soils from the cerrado-caatinga transition

Ratke¹,

Campos²,

Inda³

et al. 2020

SCA

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The sustainable use of soil requires a broad knowledge of its genesis, morphology, properties, and distribution in the landscape. Thus, the objective of this study was to characterize the pedogenetic attributes of representative soils from the cerrado-caatinga transition of the Gurguéia river basin to indicate their agricultural potential and limitations for the implementation of agroforestry systems. National and international soil classification systems were used to define the soil classes. The limiting factors and agricultural potential were characterized following the evaluation system of the agricultural potential of Brazilian land. In general, profiles 1, 3, 5, and 6 had a low nutrient budget and a sandy to loam texture. Profiles 2, 4, and 7 showed high clay content and nutrient budget. The soil profiles were classified as Ustic Quartzipsamments, Udic Haplusterts, Xanthic Haplustox, Arenic Kanhaplustults, Typic Haplustox, and Aridic Dystrustept based on their pedogenetic characteristics. Udic Haplusterts and Arenic Kanhaplustults soils display restrictions regarding the planting of forests owing to oxygen and soil depth limitations. The other soil classes had adequate physical properties for the implementation of agricultural systems and pastures, including good drainage and medium texture; however, they had low natural fertility, and thus require technologies for soil acidity correction and fertilization. Ustic Quartzipsamments and Ustic soils require the implementation of conservation systems, such as agroforestry, to avoid degradation.

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Iron Compounds and the Color of Soils in the Sakhalin Island

Cited by 7 publications

References 26 publications

Patterns of soil cover organization within the northern part of the Kondinskaya lowland (Western Siberia)

Patterns of soil cover organization within the northern part of the Kondinskaya lowland (Western Siberia)

Preparation and characterization of clay based ceramic porous membranes and their use for the removal of lead ions from synthetic wastewater with an insight into the removal mechanism

Agricultural potential and soil use based on the pedogenetic properties of soils from the cerrado-caatinga transition

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