| Title | Authors | Year |
|---|---|---|
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere |
Bouwman, A.… |
1990 |
| 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 |
| Fine Root Studies in situ and in the Laboratory. |
Wollmer, H… |
1990 |
| Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. |
Houlden, G… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids |
Buhl, K. J… |
1990 |
| Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland |
Garansson,… |
1990 |