Specifics migration and accumulation of heavy metals in irrigated agricultural landscapes of Ingulets irrigation system
DOI:
https://doi.org/10.31073/Keywords:
environmental problems; heavy metals; irrigated soils; irrigation water; quality of agricultural plants.Abstract
The results of long-term studies of heavy metals (HM) content in irrigated agricultural landscapes of Ingulets irrigation
system are listed. Established that the water used for irrigation, which at different times significantly different for the
content of heavy metals and which belong to different classes of quality – from I class (suitable for irrigation) class III
(unsuitable for irrigation). Content in drainage water vast majority of investigated elements lower than the irrigation
water, indicating their possible accumulation in soil-motivated and increased take-out harvest crops. It is noted that
prolonged irrigation did not significantly influenced the content of the HM (gross and mobile forms) in soils of Ingulets
irrigation system – it is close to background values and does not change significantly under the influence of irrigation.
Revealed that low quality of irrigation water significantly affects the concentrations of HM in grain crops and worsen
their quality. HM content in vegetable and forage crops is less dependent on the quality of irrigation water, which
allows obtaining yields of good quality. These data suggest the need for continuous control over the content HM in all
components of "irrigation water – irrigated soil – plant".
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