| Title | Authors | Year |
|---|---|---|
| Boron, zinc iron and managanese content in four grassland species |
Adarve, M.… |
1998 |
| Effects of ammonia deposition on forests in the Netherlands |
Van der… |
1998 |
| Nutrient disturbance through manganese accumulation in Douglas fir |
Kaus, A ;… |
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 |
| Effects of carbon dioxide and nitrogen enrichment on a plantinsect interaction: the quality of Calluna vulgaris as a host for Operophtera brumata |
Kerslake, J… |
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 |