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J. Chalupa, L. Fiala, J. Popovsky, V. Sládeček, P. Vašata (1985)
Water Quality Control in ImpoundmentsActa Hydrochimica Et Hydrobiologica, 13
J. Míčka, L. Fiala, J. Chalupa (1985)
Humic Acids in the Inflows to the Fláje Reservoir after Deforestation of its WatershedActa Hydrochimica Et Hydrobiologica, 13
V. Gottwaldova (1983)
Metodika zjišťování jakosti vody v údolních nádržích. (Methodology for the determination of water quality in Vrchlice Reservoir), 36
J. Micka, L. Fiala, J. Chalupa (1985)
Humic substances in the inflows to the Fláje Reservoir after deforestation of its watershed, 13
The increase of the nitrate concentration in surface waters used as water supply resources has been investigated with a view to the effects of agricultural activities and atmospheric precipitation. The nitrate concentration increased beyond the acceptable limit for infants after 1975, when due to the permanent augmentation of the synthetic fertilizer rates the organic humus quantities decreased to a minimum. The variability of nitrate concentrations in atmospheric precipitation is dependent on the magnitude of precipitation and the intensity of industry in the given region. At an average value of atmospheric precipitation the nitrogen value in agricultural regions varies within 6 to 12 kg · ha−1 · a−1, in regions with extended industries up to 24 kg · ha−1 · a−1.
Acta hydrochimica et hydrobiologica – Wiley
Published: Jan 1, 1986
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