| Title | Authors | Year |
|---|---|---|
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
1999 |
| Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems |
Wilson, E.J… |
1999 |
| The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France) |
Francez, A.… |
1999 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |
| Chemistry of Atmospheres |
Wayne, R.P… |
1999 |
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
1999 |
| Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany. |
Wöllecke, J… |
1999 |
| The Kyoto Protocol: A guide and assessment |
Grubb, M.;… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |
| The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites |
Williams, B… |
1999 |