Title Authors Year
The yield of winter cereals exposed to sulphur dioxide under field conditions. McLeod, A.R.;… 1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves Hove, L.W.A.;… 1991
The effects of acid deposition on nature conservation in Great Britain Soutar, R.G.;… 1991
Critical Load Maps for the United Kingdom I: Soil UKCLAG, 1991
Decline of ectomycorrhizal fungi in Europe. Arnolds, E. 1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation Van der Eerden… 1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves. Hove, L.W.A.;… 1991
Increases in soil acidity in north west Wales between 1957 and 1990 Kuylenstierna… 1991
The effects of acid deposition on nature conservation in Great Britain Ormerod, S.J… 1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves. Hove, L.W.A.;… 1991
Effects of ionising radiation on aquatic organisms National… 1991
Air pollution and agriculture Ashmore, M.R. 1991
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3 Dueck, T.A.;… 1991
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 mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system Meharg, A. A… 1991