Distribution of soil fractions of zinc and its uptake by potatoes, maize, wheat and barley after soil amendment by sludge and inorganic Zn salt

P. Dvořák, P. Tlustoš, J. Száková, J. Černý and J. Balík
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P. Dvořák: Czech University of Agriculture in Prague, Czech Republic
P. Tlustoš: Czech University of Agriculture in Prague, Czech Republic
J. Száková: Czech University of Agriculture in Prague, Czech Republic
J. Černý: Czech University of Agriculture in Prague, Czech Republic
J. Balík: Czech University of Agriculture in Prague, Czech Republic

Plant, Soil and Environment, 2003, vol. 49, issue 5, 203-212

Abstract: Zinc distribution in the main soil fractions and zinc accumulation in potatoes, maize, wheat and barley after different soil treatments (basic sludge rate, triple sludge rate, NPK, NPK + inorganic Zn) were investigated in a field experiment conducted at five localities of the Czech Republic (Červený Újezd, Hněvčeves, Humpolec, Lukavec, Suchdol) with different soil and climatic conditions. Three soil types were investigated in the experiment: clay-loamy Chernozems, loamy Luvisols, clay-loamy Luvisols and two loamy Cambisols. Sequential analyses provided an overview of soil Zn distribution in the following fractions: exchangeable, Fe-Mn oxide, organic and residual ones. The sludge and inorganic Zn addition supported Zn mobility growth and higher Zn retention in Fe-Mn oxides in all tested soils. The influence of the above-mentioned treatments on higher Zn association with soil organic compounds was not explicitly found. Potatoes, wheat and barley accumulated more Zn after its addition into the soils by sludge and inorganic salt. By contrast, Zn content in maize decreased with higher input of Zn into the soil. The highest Zn concentrations were usually observed in plants grown on both Cambisols.

Keywords: soil; zinc; sewage sludge; sequential extraction; uptake; potatoes; maize; wheat; barley; field experiment (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:49:y:2003:i:5:id:4114-pse

DOI: 10.17221/4114-PSE

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