| Title | Authors | Year |
|---|---|---|
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
1999 |
| Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce |
Flückiger,… |
1999 |
| Atmospheric deposition of acidifying and eutrophicating substances in dune slacks. |
Sival, F.P… |
1999 |
| Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany. |
Wöllecke, J… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| Boron, zinc iron and managanese content in four grassland species |
Adarve, M.… |
1998 |
| Studies on the egg quality of the Great Tit (Parus major) in relation to soil-condition. |
Weimer, V… |
1998 |
| Natural abundance of 15N in forests across a nitrogen deposition gradient |
Emmett, B.A… |
1998 |
| Nutrient disturbance through manganese accumulation in Douglas fir |
Kaus, A ;… |
1998 |