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Ecotoxicity tests in earthworms (Eisenia foetida). Time course of changes in weight (A) length (B), number of juveniles (C) and number of ootheca laid (D) by Eisenia foetida after incubation with P. putida KT2440 or B. cepacia CC-A174, or after the addition of an equivalent amount of trehalose or 2% NaCl. Significant differences are indicated with an asterisk. The values shown are the mean and standard deviation of three measurements.
