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  • Title: Reduction of cadmium uptake in spinach (Spinacia oleracea L.) by soil amendment with animal waste compost.
    Author: Sato A, Takeda H, Oyanagi W, Nishihara E, Murakami M.
    Journal: J Hazard Mater; 2010 Sep 15; 181(1-3):298-304. PubMed ID: 20594987.
    Abstract:
    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.
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