ARSENIC AND NICKEL ENRICHMENT COEFFICIENTS FOR CROPS GROWING ON COAL ASH
o,� BiH� Abstract: AroundthecityofTuzla,�BiH,�soilcoveredcoalas hdisposalsiteshavebeenusedforfoodand� fodderproductionsince�1992.�Toourknowledgethis �isthefirstreportonthecultivationofcoalash �disposal� sitesforagriculturepurposes.�Weobservedhighco ncentrationsofAsandNiinalkalinecoalash.�In� this� paper,� weinvestigatedarsenicandnickeltransportandaccumulationinbarleyandsoybeangrownon� substratesmadeupofdifferentsoilandashratios .� Afterthreegrowthinthegreenhouseweobserved� significantdifferences�(p<0.05)�betweentheNienr ichmentcoefficientsofDoracultivarofsoybeanan dRex� cultivarofbarley,�butnosignificantdifferenceb etweentheAsenrichmentcoefficientsofsoybeanan dbarley.� DoracultivarofsoybeanandRexcultivarofbarley �showedverylowuptakeofarsenic,�theenrichment� coefficientvariedbetween� 0.05� %� and� 0.51� %� depend ingonthecropandthetreatment.� Thenickel� enrichmentcoefficientofRexcultivarofbarleyva riedbetween�0.01%�and�0.94%.�Theenrichmentcoeffi cient� forNiinDoracultivarofsoybeanindicatedhigher �uptakeandvariedbetween�5.64%�and�34.79%.�