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Contemporary Problems of Ecology

2010 year, number 6

Effect of the Buffer Capacity of Humic Psammozem, Accumulative Carbonate Agrozem and Agrobrown Soil on Cadmium Translocation into Watercress

V. L. Ubugunov, M. D. Dashieva
Keywords: soil buffer capacity, cadmium, watercress
Pages: 877-884


Buffer capacity of humic psammozem, accumulative carbonаte agrozem and agrobrown soil with respect to cadmium was determined. The effect of soil buffer capacity on the dynаmics of the height, biological productivity and the level of cadmium accumulation in the biomass of watercress (Lepidium sativum L.) under increasing metal doses was investigated. The ability of watercress to accumulate large amounts of cadmium exceeding the admissible sanitary-gygienic standards even at low concentrations of the element in the soil was established.