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Our objective has been to determine the total content of magnesium, iron, chromium and zinc, as well as the heavy metal fractions in selected natural fertilisers, such as swine and bovine manure and poultry litter from laying hens and broilers. The total content of the metals was determined by the ICP-AES method following dry mineralisation in a muffle furnace at 450°C and dissolving the ash in HCl...
W doświadczeniu wazonowym badano wpływ wapnowania i zróżnicowanego nawożenia organicznego na zawartość P, K, Ca, Mg i S w kupkówce pospolitej. Uwzględniono obiekty bez wapnowania i ze stosowaniem CaC0₃ w dawce wyliczonej wg wartości 1 Hh gleby. Zastosowano nawożenie osadem ściekowym pochodzącym z oczyszczalni ścieków w Siedlcach w dawce wprowadzającej do gleby 2 g C·kg⁻¹ gleby. W sezonie wegetacyjnym...
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