Abstract:-1 substrate) applied to a vermicomposting system which was inoculated with 30 earthworms per chamber. Earthworm growth, estimated by weight, showed a quadratic response (p = 0.03) with the lowest estimated growth at a dose of 435 mg K 2 Cr 2 O 7 kg -1 . Chromium (Cr) concentration increments were positively associated to mortality in adults and cocoons (p < 0.01), and total Cr accumulation in earthworms (p < 0.01). The accumulation of chromium in worms, is an indicator of the capacity of worms to resist diffe… Show more
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