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Field experiments were carried out at the Didactic and Experimental Farm in Swadzim (52o26’ N; 16o45’ E) near Poznań in the years 2004-2007. The experiment was carried out in a „split-plot” des...
The main subject of our work was to evaluate the effects of applied organic fertilizers: farmyard manure, sewage sludges of various origin and the sludge-peat mixture on changes in the available magne...
Effects of potassium (K), magnesium (Mg), and sulphur (S) containing fertilizers on root yield, refined sugar yield, and K, Mg, and S concentrations of leaf of sugar beet (Beta vulgaris L.) were studi...

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