| Title | Authors | Year |
|---|---|---|
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| The effect of air quality on tree growth. |
Lee, H.S.J… |
1990 |
| Bryophytes and heavy metals: a literature review |
Tyler, G.… |
1990 |
| Decline of carpophores of mycorrhizal fungi instand, of Pinus sylvestris |
… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century |
Arts, G.H.P… |
1990 |
| Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere |
Bouwman, A.… |
1990 |
| Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects |
McNeill, S… |
1990 |
| Calculated rates of soil acidification of intensively used grassland in the Netherlands. |
Oenema, O… |
1990 |