Bulgarian Journal of Agricultural Science
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Leaching and mobility of heavy metals after burned and unburned poultry litter application to sandy and masa soils
Faridullah, A. Waseem, A. Alam, M. Irshad, M. A. Sabir, M. Umar
Abstract: Application of poultry litter to cropland may increase metal mobility, because the soluble organic ligands in poultry litter can form water-soluble complexes with metals. The leaching characteristics of soils may be greatly affected by application of burned and unburned poultry manures. Poultry litter and litter ash samples from the Tottori prefecture were collected and analyzed for extractability and mobility of Cu, Zn, Ni and Mn in two Japanese soils in Japan using pot-leaching studies. Packed soil in the pots after receiving burned and burned poultry manure respectively were leached with water. Manure types were differed identically in order of PLA masa> PLA sand > PL masa > PL sand> Control soil. The results suggested that the release potential of Cu and Zn was greater in the PL amended sand and Masa soil than in the PLA amended soils. Mn and Zn leaching from different amendments varied in the order PL masa> PLA masa > PL sand > PLA sand> Control masa> Control sand soil. Where as the concentration of Cu and Ni were observed as PLA masa > PL masa >PLA sand and PL sand exponentially. The application of poultry litter to metal-contaminated soils may influence metal leaching and distribution of metals among soil fractions. The purpose of this study was to quantify the solubility and distribution of heavy metal in poultry wastes amended soils receiving poultry waste applications and their leaching to ground water. The transformation of these metals in the soil was monitored by analyzing the soil samples for concentration of heavy metals.
Keywords: extractability; heavy metals; leaching; mobility; poultry litter ash (PLA); soil chemical characteristics
Date published: 2019-07-26
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