On available forms of chemical compounds in soils

Siromlya, T. I.

doi:10.1134/s1995425509060307

Cited by 8 publications

(2 citation statements)

References 17 publications

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“…Исследование транспортных потоков в агроценозах (массопереноса) предполагает проведение анализа и оценки наиболее активной части химических соединений, участвующих в переносе элементов из почвы в растения. Валовое содержание элементов в почве не является достаточно информативным показателем для оценки обеспеченности ими растений (Siromlya, 2009). Мобильность и доступность питательных элементов в почвах агроэкосистем, в том числе поступающих с удобрениями, в значительной степени регулируется динамическими процессами, протекающими в почве .…”

Section: подвижность химических элементов в почвах агроценозов и мето...unclassified

The mass transfer of chemical elements and of their compounds in agrocenoses

Борисочкина

Kotelnikova

Rogova

2022

DSB

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The analysis of publications on the mass transfer of chemical elements in agrocenosis in the soil – plant system was carried out. Methods for estimating the content of mobile forms of chemical compounds coming from the soil into plants are considered. The phenomena of antagonism and synergism are characterized, and the necessity to consider them while planning fertilizer application is indicated. It is shown that the phenomena of synergism and antagonism of elements can be used in agriculture to regulate the flow of heavy metals or radionuclides into agricultural products. A balance model for mass transfer of chemical elements in agrocenosis is analyzed. It is shown that the introduction of organic fertilizers in soil mostly leads to a positive balance of microelements in the agrosystem. To characterize the efficiency of fertilizer use an assessment of the balance of nutrients in the agrosystem is required. The removal of trace elements by agricultural crops increases with the use of mineral fertilizers in doses that are optimal for the cultivation of crops in the region. In some cases, the input of heavy metals with technogenic fallout may exceed the removal of metals by plants from the soil. It may cause the accumulation of metals in the system. In uncontaminated background areas, the levels of microelement intake from fertilizers and atmospheric fallout in agrocenoses are comparable.

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Section: подвижность химических элементов в почвах агроценозов и мето...unclassified

The mass transfer of chemical elements and of their compounds in agrocenoses

Борисочкина

Kotelnikova

Rogova

2022

DSB

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“…Currently, the study of the mobility and bioavailability of elements (for example, potentially toxic metals) involves their extraction via the sequential treatment of one soil sample using nitric or hydrochloric acid with an increasing concentration. This procedure enables the isolation of elemental fractions from their most mobile forms to be firmly bound by the solid soil phases [26,27]. In addition, this method makes it possible to identify associations between elements in various geochemical fractions [28].…”

Section: Introductionmentioning

confidence: 99%

Serpentine Overburden Products—Nature-Inspired Materials for Metal Detoxification in Industrially Polluted Soil

Slukovskaya,

Petrova,

Ivanova

et al. 2023

Toxics

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The possibility of plants growing on serpentine soils and the ability of serpentine minerals to accumulate significant amounts of metals was the basis for developing a method for using serpentine-containing materials to restore vegetation in areas with a high level of metal pollution. Serpentine-containing products obtained from phlogopite mining overburden (Kovdor, Murmansk region, Russia) with and without thermal activation were used in a field experiment on the remediation of industrially polluted peat soil. According to the geochemical mobility of the components, one of four fractions was allocated depending on the acidic (HCl) concentration of the solution used for the material treatment: readily mobile (0.001 mol/L), mobile (0.01 mol/L), potentially mobile (0.1 mol/L), and acid-soluble (1.0 mol/L). This study showed that the addition of serpentinites to peat soil changed the fraction composition. The most significant changes were noted for serpentinite components such as Ca and Mg: their concentrations increased 2–3 times even in the smallest portion of serpentine material. On the contrary, the contents of metals in the readily mobile fraction decreased 3–18, 3–23, 5–26, and 2–42 times for Cu, Ni, Fe, and Al, respectively. The main factor causing the decrease in metal mobility was the pH rise due to the release of Ca and Mg compounds into the soil solution. This study showed that the addition of serpentine-containing material at 25 vol.% to peat soil was sufficient to create a geochemical barrier with a stable-functioning vegetation cover. All serpentine-containing materials are recommended for the remediation of large industrially polluted areas.

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The spatial distribution of fractions and the total content of 24 chemical elements in soil catenas within a small gully's catchment area in the Trans Urals, Russia

Semenkov

Королева

2019

Applied Geochemistry

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On available forms of chemical compounds in soils

Cited by 8 publications

References 17 publications

The mass transfer of chemical elements and of their compounds in agrocenoses

The mass transfer of chemical elements and of their compounds in agrocenoses

Serpentine Overburden Products—Nature-Inspired Materials for Metal Detoxification in Industrially Polluted Soil

The spatial distribution of fractions and the total content of 24 chemical elements in soil catenas within a small gully's catchment area in the Trans Urals, Russia

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