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@article{1336988, author = {Novotná, Markéta and Mikeš, Ondřej and Komprdová, Klára}, article_location = {OXFORD (ENGLAND)}, article_number = {DEC 2015}, doi = {http://dx.doi.org/10.1016/j.envpol.2015.09.043}, keywords = {Prediction models; Linear regression; Heavy metals; Field crops; Plant uptake}, language = {eng}, issn = {0269-7491}, journal = {Environmental Pollution}, title = {Development and comparison of regression models for the uptake of metals into various field crops}, url = {http://www.sciencedirect.com/science/article/pii/S0269749115300907}, volume = {207}, year = {2015} }
TY - JOUR ID - 1336988 AU - Novotná, Markéta - Mikeš, Ondřej - Komprdová, Klára PY - 2015 TI - Development and comparison of regression models for the uptake of metals into various field crops JF - Environmental Pollution VL - 207 IS - DEC 2015 SP - 357-364 EP - 357-364 PB - Elsevier Science SN - 02697491 KW - Prediction models KW - Linear regression KW - Heavy metals KW - Field crops KW - Plant uptake UR - http://www.sciencedirect.com/science/article/pii/S0269749115300907 L2 - http://www.sciencedirect.com/science/article/pii/S0269749115300907 N2 - Field crops represent one of the highest contributions to dietary metal exposure. The aim of this study was to develop specific regression models for the uptake of metals into various field crops and to compare the usability of other available models. We analysed samples of potato, hop, maize, barley, wheat, rape seed, and grass from 66 agricultural sites. The influence of measured soil concentrations and soil factors (pH, organic carbon, content of silt and clay) on the plant concentrations of Cd, Cr, Cu, Mo, Ni, Pb and Zn was evaluated. Bioconcentration factors (BCF) and plant-specific metal models (PSMM) developed from multivariate regressions were calculated. The explained variability of the models was from 19 to 64% and correlations between measured and predicted concentrations were between 0.43 and 0.90. The developed hop and rapeseed models are new in this field. Available models from literature showed inaccurate results, except for Cd; the modelling efficiency was mostly around zero. The use of interaction terms between parameters can significantly improve plant-specific models. ER -
NOVOTNÁ, Markéta, Ondřej MIKEŠ a Klára KOMPRDOVÁ. Development and comparison of regression models for the uptake of metals into various field crops. \textit{Environmental Pollution}. OXFORD (ENGLAND): Elsevier Science, 2015, roč.~207, DEC 2015, s.~357-364. ISSN~0269-7491. Dostupné z: https://dx.doi.org/10.1016/j.envpol.2015.09.043.
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