| Title | Authors | Year |
|---|---|---|
| Boron, zinc iron and managanese content in four grassland species |
Adarve, M.… |
1998 |
| Nutrient disturbance through manganese accumulation in Douglas fir |
Kaus, A ;… |
1998 |
| Effects of experimental acidification and liming on terrestrial invertebrates: implications for calcium availability to vertebrates |
Ormerod, S.… |
1998 |
| River Habitat Quality |
Service,… |
1998 |
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Regional mass budgets of oxidized and reduced nitrogen and their relative contribution to the N inputs of sensitive ecosystems |
Fowler, D… |
1998 |
| Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements |
Burkhardt,… |
1998 |
| Iron-manganese interactions among clones of nilegrass |
Foy, C. D… |
1998 |
| Pollution - Recovery of breeding success in wild birds. |
Eeva, T.; E… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |