Influence of systems of fertilizer on agro-chemical parameters of sod-podzolic soil and accumulation of heavy metals
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Comparative study of organic, mineral and complex fertilization systems is lead. Essential advantage of organic-and-mineral fertilization system which has provided increase of content of humus, mobile phosphorus and potassium is determined. Pollution of products and soil by heavy metals is not noted.
Keywords: system of fertilizers, soil productivity, heavy metals