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In 2-year pot experiment, the influence of nitrogen fertilisation on nickel content and uptake by maize was tested. The experiment was carried out in conditions of increasing Ni-content, treated as nickel sulphate in doses: [formula]. A nitrogen fertilisation was applied as ammonium nitrate, ammonium sulphate, urea and calcium nitrate, in doses: 0.5, 1.0 and 2.0 g N per 5 kg of soil. In conditions...
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