Fig. 2. Ranges in response of biological activities (inhibition or stimulation) for Cd-, Pb-, and Zn-amended soils. The whiskers represent the 10th and 90th percentiles, boxes the 25th and 75th percentiles, and solid lines the mean.
Fig. 2. Ranges in response of biological activities (inhibition or stimulation) for Cd-, Pb-, and Zn-amended soils. The whiskers represent the 10th and 90th percentiles, boxes the 25th and 75th percentiles, and solid lines the mean.