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Sato A.,Niigata Horticultural Research Center | Takeda H.,Niigata Horticultural Research Center | Oyanagi W.,Niigata Livestock Research Center | Nishihara E.,Tottori University | Murakami M.,Japan National Institute for Agro - Environmental Sciences
Journal of Hazardous Materials | Year: 2010

A field experiment was conducted to evaluate the efficacy of animal waste compost (AWC) in reducing Cd uptake by spinach (Spinacia oleracea L.). Spinach was grown in a field that had been treated by having cattle, swine, or poultry waste compost incorporated into the soil before each crop throughout 4 years of rotational vegetable production. Cadmium concentration was 34-38% lower in spinach harvested from the AWC-treated soils than in the chemical fertilizer-treated soil. Although the repeated application of swine and poultry compost caused significant P accumulation in the cropped soils, that of cattle compost did not. These results indicate that cattle compost with high affinity for Cd and low P content should be the preferred soil amendment when used to reduce Cd uptake by spinach. © 2010 Elsevier B.V.

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