| Title | Authors | Year |
|---|---|---|
| Air pollution and agriculture |
Ashmore, M.… |
1991 |
| Influence of HN3 and (HN4)2 SO4 on heathland vegetation |
Van der… |
1991 |
| Forestry and soil protection in the UK |
Moffatt, A.… |
1991 |
| Increases in soil acidity in north west Wales between 1957 and 1990 |
… |
1991 |
| Decline of ectomycorrhizal fungi in Europe. |
Arnolds, E… |
1991 |
| A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature |
Beattie, R.… |
1991 |
| Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape. |
Adaros, G… |
1991 |
| Nitrate in soil water |
Westling, O… |
1991 |
| Acid rain since 1985 - times are changing |
Brydges, T.… |
1991 |
| The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system |
Meharg, A.… |
1991 |