(Solved): 1. The contamination of soil by lead, mercury and other heavy metals is of concern if the land is b ...

1. The contamination of soil by lead, mercury and other heavy metals is of concern if the land is being used for agriculture. a. In metal analysis of soil, why are water (or slightly acidic water) extracts often used for determining total metal amounts rather than the soil itself? b. Why might higher metal levels be tolerated for one type of crop versus another c. Does liming alter the amount of metals in the soil? d. Why is liming used to treat some soils with higher heavy metal content?