Local Biogeochemical Cycles of Trace Elements in Agroecosystems of Western Siberia

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS

Geochemistry International Pub Date : 2023-10-25 DOI:10.1134/S0016702923100129

A. V. Sindireva

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Abstract—

The article presents results of long-term (2005–2022) field experiments on studying the distribution and migration of trace elements in the soil–plant–animal system as exemplified by agrocenoses of the southern forested steppe of Western Siberia. A biogeochemical assessment is presented for contents of trace elements (Pb, Cu, Zn, Ni, Cd, Cr, and Se) in the trophic chains under certain agroecological conditions, and geochemical factors affecting the accumulation of trace elements in various types of soils and plants growing on them are analyzed. Normative quantitative characteristics are determined for the effects of trace elements on the chemical composition of the soil, the productivity and quality of the plants of grain and of the fodder and vegetable crops. Relationships between major and trace elements when they enter plants are demonstrated to depend on the levels and ratios of the concentrations of the chemical elements in the soil and the physiological needs of the plant organism during its different ontogenesis stages. The parameters of the intake of trace elements into the body of animals with plant fodder under the conditions of model experiments are established. Structural and functional changes in the animal organs during feeding on crop products grown with different contents of trace elements are analyzed.

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西伯利亚西部农业生态系统中微量元素的局部生物地球化学循环

摘要——本文介绍了研究微量元素在土壤-植物-动物系统中分布和迁移的长期（2005-2022）田间试验结果，以西西伯利亚南部森林草原的农牧交错带为例。对一定农业生态条件下营养链中微量元素（Pb、Cu、Zn、Ni、Cd、Cr和Se）的含量进行了生物地球化学评价，并分析了影响微量元素在不同类型土壤及其上生长的植物中积累的地球化学因素。确定了微量元素对土壤化学成分、粮食、饲料和蔬菜作物的生产力和质量的影响的规范性定量特征。当主要元素和微量元素进入植物时，它们之间的关系被证明取决于土壤中化学元素浓度的水平和比例，以及植物有机体在其不同个体发生阶段的生理需求。建立了模型实验条件下植物饲料对动物体内微量元素摄入的参数。分析了不同微量元素含量的作物产品在饲养过程中动物器官结构和功能的变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Geochemistry International 地学-地球化学与地球物理

CiteScore

1.60

自引率

12.50%

发文量

审稿时长

1 months

期刊介绍： Geochemistry International is a peer reviewed journal that publishes articles on cosmochemistry; geochemistry of magmatic, metamorphic, hydrothermal, and sedimentary processes; isotope geochemistry; organic geochemistry; applied geochemistry; and chemistry of the environment. Geochemistry International provides readers with a unique opportunity to refine their understanding of the geology of the vast territory of the Eurasian continent. The journal welcomes manuscripts from all countries in the English or Russian language.