The fluctuation of copper content in oilseed rape plants (Brassica napus L.) after the application of nitrogen and sulphur fertilizers

J. Balík, D. Pavlíková, P. Tlustoš, J. Černý and M. Jakl
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J. Balík: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Czech Republic
D. Pavlíková: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Czech Republic
P. Tlustoš: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Czech Republic
J. Černý: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Czech Republic
M. Jakl: Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Czech Republic

Plant, Soil and Environment, 2007, vol. 53, issue 4, 143-148

Abstract: The influence of N-S fertilizers on the copper content in the inter oilseed rape plants was studied in field experiments. The evaluation involved two treatments of a single rate for the first spring fertilizer application with 100 kg N/ha in the AN treatment (nitrochalk) and 100 kg N/ha + 50 kg S/ha in the ANS treatment (ammonium nitrate and ammonium sulphate). A positive influence of the ANS fertilizer on the copper contents in different parts of plants was determined. The highest Cu concentrations were determined in the leaves and inflorescences, the lowest ones occurred in the stem. The concentration of Cu ranged within the interval of 1.56-8.75 mg Cu/kg of dry matter depending on the growth period and the part of the plant. No differences in copper content were determined in the seeds of individual treatment. The highest uptake in the above-ground parts of the plants was recorded in the green pod period and amounted to 57.4 g Cu/ha for the ANS treatment.

Keywords: copper; sulphur; winter oilseed rape; N-S fertilizers (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:53:y:2007:i:4:id:2309-pse

DOI: 10.17221/2309-PSE

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