Szukana fraza: [Abstract = "Replacement at a dose of NPK phosphorus from superphosphate enriched with phosphorus from the ash from the incineration of municipal sewage sludge resulted in objects after the maize class change in the soil available phosphorus from high to very high. The content of available magnesium after two years of ash from municipal sewage sludge increased from a low\-class wealth to the middle class in both places."]

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