| Title | Authors | Year |
|---|---|---|
| Air Pollution and Tree Health in the United Kingdom |
DOE, . |
1993 |
| The Deposition of Atmospheric Ammonia and Its Effects on Plants |
Pearson, J… |
1993 |
| Zinc Phytotoxicity |
Chaney, R.… |
1993 |
| 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 |
| Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development |
Corraddi, M… |
1993 |
| How Britain hides its acid soil |
Pearce, F… |
1993 |
| Stratospheric Aerosol Optical Depths, 1850-1990. |
Sato, M. ;… |
1993 |
| The effect of external stress and disturbance factors on Calluna dominated heathland vegetation. |
Berdowski,… |
1993 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |