Factors influencing the partitioning of tritium as OBT in spinach plant

Soil-to-plant transfer factors are commonly used to estimate the transfer of radionuclides in the food chain. However, the large range of reported transfer factors depicts that the concentration of radionuclide in the soil is not merely the only factor influencing its uptake by the plant. In order to quantify these variability, controlled pot experiments were carried out under simulated environment at KAPS, India to generate values for different parameters like RH, CR_s, R_p and C_am affecting the transfer of tritium to leafy vegetables (Spinach). The experimentally derived values were correlated with the organically bound ³H in the plant. It was found that C_am has significant correlation to the formation of organically bound ³H followed by R_P. (author)