Selenium in soil

  • Cuvardic M
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Abstract

Selenium (Se) is an essential microelement, necessary for normal functioning of human and animal organisms. Its deficiency in food and feed causes a number of diseases. In high concentrations, selenium is toxic for humans animals and plants. Soil provision with selenium affects its level in food and feed via nutrition chain. However, selenium reactivity and bioavailability depends not only on its total content in soil but also on its chemical forms. Distribution of the different forms of selenium depends on soil properties such as reaction, aeration, contents of clay and organic matter and microbiological activity.Selen je esencijelni mikroelemenat, neophodan za normalno funkcionisanje organizma ljudi i zivotinja, ciji nedostatak u hrani dovodi do niza oboljenja. U isto vreme, u visokim koncentracijama, selen (Se) je toksican kako za ljude i zivotinje, tako i za biljke. Obezbedjenost zemljista se preko lanca ishrane odrazava na nivo selena u hrani ljudi i zivotinja, ali reaktivnost i biopristupacnost selena ne zavisi samo od njegovog ukupnog sadrzaja, nego i od hemijskih formi u kojima se selen nalazi u zemljistu. Na distribuciju izmedju pojedinih oblika selena uticu svojstva zemljista, kao sto su: reakcija zemljista, aeracija, sadrzaj gline i organske materije i mikrobioloska aktivnost.

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APA

Cuvardic, M. (2003). Selenium in soil. Zbornik Matice Srpske Za Prirodne Nauke, (104), 23–37. https://doi.org/10.2298/zmspn0304023c

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