The accumulation of copper in soils of the Italian region Emilia-Romagna

https://doi.org/10.17221/317-PSECitation:Toselli M., Schiatti P., Ara D., Bertacchini A., Quartieri M. (2009): The accumulation of copper in soils of the Italian region Emilia-Romagna. Plant Soil Environ., 55: 74-79.
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The investigation was carried out in 2005, on 30 plots chosen in the Central-Eastern part of the Emilia Romagna region, and cultivated with pear, grapevine and vegetable crops under the organic management system. For each crop, 5 plots with a level of calcium carbonate > 10% and 5 plots with a level of calcium carbonate < 3% were selected. For pear and vine, soil analyses were performed at the depths of 0–20 cm and 20–50 cm, for vegetable at the depth of 0–50 cm. Organic matter content was higher in pear-cultivated plots, followed by grapevine and vegetable crops. Copper application rate, from 1998 to 2004, was higher in pear and grapevine than in vegetable plots. Soil total and DTPA-extractable Cu were higher in pear and grapevine than in vegetable-cultivated plots. Soil DTPA-extractable Cu concentration was higher in the upper horizon than at 20–50 cm soil depth. The increase of total Cu in pear and vine-cultivated plots was combined with the increase of soil inactive Cu.
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