Title Authors Year
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees

Näsholm, T…

1990
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.

Huettl, R.F…

1990
Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland.

Kreiser, A.…

1990
Toxicity of heavy metals to brine shrimp Artemia.

Gajbhiye, S…

1990
The effect of air quality on tree growth.

Lee, H.S.J…

1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers

Weigel, H.J…

1990
Fine Root Studies in situ and in the Laboratory.

Wollmer, H…

1990
Decline of carpophores of mycorrhizal fungi instand, of Pinus sylvestris

…

1990
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments

Elser, J.J…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990