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Updated: Oct 19, 2025

Two-Dimensional Visualization and Quantification of Labile, Inorganic Plant Nutrients and Contaminants in Soil
Published on: September 1, 2020
Cadmium Uptake and Translocation By Potato in Acid and Calcareous Soils
Ke Liu1,2, Hongyan Liu3,4,5, Xianyong Zhou1,2
1College of Agriculture, Guizhou University, 550025, Guiyang, China.
Abstract:
Cadmium contamination of agricultural soils threatens food safety. The bioaccumulation (BAF) of Cd in potato tubers ranged from 0.69 to 1.50 and 0.39 to 0.82 in acidic yellow and alkaline calcareous soils, respectively, when 0.3 to 4.8 mg Cd kg-1 was added to the soil. The order of Cd concentration for different organs was root > stem > leaf > tuber. The BAF of Cd decreased with the increase of soil Cd concentration. The effect of pH was important for the transfer and accumulation of Cd for potato. Soil Cd concentration was correlated with the plant Cd concentration and soil pH. Cultivars Hui-2 and Xuanshu 2 accumulated less Cd in six potato cultivars. Logarithmic transformation of the data increased the R2 value from 0.725 to 0.941 in the prediction model of soil Cd concentration. The data are useful in assessing the ecological risk of Cd to potato in Karst area.
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