| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. |
Cape, J.N… |
1993 |
| The Effect of pH on Feeding-Behaviour in Newt Larvae (Triturus, Amphibia). |
Griffiths,… |
1993 |
| The exchange of ammonia between the atmosphere and plant communities. |
Sutton, M.A… |
1993 |
| Atmospheric Change - Effect on Plant Pests and Diseases |
Bell, J.N.B… |
1993 |
| The effects of dust on vegetation - a review |
Farmer, A.M… |
1993 |
| Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group |
Group,… |
1993 |
| Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements |
Loch, J ;… |
1993 |
| The Deposition of Atmospheric Ammonia and Its Effects on Plants |
Pearson, J… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |