Lime and Compost Promote Plant Re-Colonization of Metal-Polluted, Acidic Soils
作者： Christopher Ulriksen , Rosanna Ginocchio , Michel Mench , Alexander Neaman
DOI: 10.1080/15226514.2011.628716
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摘要: The revegetation of soils affected by historic depositions an industrial complex in Central Chile was studied. plant re-colonization from the existing soil seed bank and changes physico-chemical properties were evaluated field plots amended with lime and/or compost. We found that application compost decreased Cu2+ ion activity solution exchangeable Cu soil, showing effective immobilization topsoil. Whereas had no effect on productivity comparison unamended control, lime+compost increased cover aboveground biomass due to higher nutrient availability water-holding capacity compost-amended soils. Although markedly lower than shoot concentrations Lolium spp. Eschscholzia californica did not differ between treatments.
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