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Updated: Jun 22, 2026

Measuring Fluxes of Mineral Nutrients and Toxicants in Plants with Radioactive Tracers
Published on: August 22, 2014
[Mathematical model of plant accumulation of radionuclides and heavy metals from soil]
Abstract:
Equilibrium model is based on the hypothesis of sorptive mechanisms of absorption of chemical elements in the soil solid phase-soil solution-plant system. The characteristics of the model are in the line with basic experimental relationships: dependence of concentrations of radionuclides or heavy metals in plant on: a) concentration of radionuclides or heavy metals in soil; b) sorptive capacity of plant; c) concentration of macro element-analogue in soil; d) soil fertility. The accumulation of elements by plants depends on ratio of cation capacities of plant and soil as well as the ratio of sorption-desorption of an element in the soil solid phase (plant)-soil solution system.
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