Title Authors Year
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)

Dueck, T.A…

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

Huettl, R.F…

1990
Bryophytes and Nutrient Cycling

Brown, D.H…

1990
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.

Houlden, G…

1990
Fine Root Studies in situ and in the Laboratory.

Wollmer, H…

1990
Boron hazards to fish, wildlife, and invertebrates: a synoptic review

Eisler, R…

1990
Phytoavailability and toxicity of beryllium and vanadium

Kaplan, D…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification

Beebee, T.J…

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

Jordan, C…

1990