Accumulation of heavy metals in the soil-plant system under the application of increasing doses of sewage sediments

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Abstract

The use of increasing doses of sewage sediments as fertilizers leads to the accumulation of heavy metals in the soil-plant system. This problem has been considered for the Transbaikalian ecosystems. An optimal dose of waste water sediments to be introduced is estimated from the index of total pollution. The use of sewage sediments accumulated in cities also helps toward the solution of an important ecological problem of urban waste utilization.

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