FIELD: agriculture.
SUBSTANCE: invention relates to agriculture, namely to a method for production of environmentally safe plant products when using sewage sludge as fertilizer. Method consists in conducting field experiments which are laid with adding to the soil of sewage sludge for agricultural crops in increasing doses – 10, 20, 30 and 40 t/ha of dry mass. Content of heavy metals in plants is determined by chemical method. Depending on their concentration plant products are evaluated as fodder, seed or technical and rational for agricultural utilization of dose of sewage sludge.
EFFECT: rational use of sewage sludge for fertilizer.
1 cl, 1 tbl
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