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The investigations aimed at an assessment of the effect of organic wastes and NPK on chosen parameters of soil fertility. The research was conducted in 2004-2006 as a pot experiment on a soil with a weakly loamy sand tex-ture, pHkcl = 4.66, organic C content 11.2 g ź kg-1 and very low content of bioavailable phosphorus and potas-sium. According to limit heavy metal contents, the soil used for the...
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