The term ecotoxicology is used to define the branch of toxicology concerned with the study of the toxic effects of natural and man-made substance on the biotic (living) and abiotic (non-living) components of the biosphere, and it is often used synonymously with the related term environmental ...
Using a long-term field experiment initiated 123 years ago with varying soil nutrient levels (deficient, sub-optimal, optimal and over-optimal) established by use of two nutrient sources (animal manure or mineral fertiliser), we examined the effects of soil nutrient level and source on herbage ...