Title Authors Year
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.

Huettl, R.F…

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

Weigel, H.J…

1990
The effect of air quality on tree growth.

Lee, H.S.J…

1990
Bryophytes and heavy metals: a literature review

Tyler, G.…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Effects of nitrogen dioxide pollution on the growth of 3 fern species.

Ashenden, T…

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
Acidic Deposition, its nature and impacts, Glasgow Conference Abstracts

Caporn, S.J…

1990
The variation in the acidity of ground and surface waters in Northern Ireland

Jordan, C…

1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.

Oenema, O…

1990