Title Authors Year
Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3.

Adaros, G…

1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.

McLeod, A.R…

1991
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
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
Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids

Buhl, K. J…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

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