Title Authors Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation

Faafeng, B…

1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris

…

1993
Zinc Phytotoxicity

Chaney, R.…

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
Reproduction in two submersed macrophytes declines progressively at low pH.

Titus, J.E…

1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements

Loch, J ;…

1993
Air Pollution and Tree Health in the United Kingdom

DOE, .

 		1993
The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales

Farmer, A.M…

1993
Stratospheric Aerosol Optical Depths, 1850-1990.

Sato, M. ;…

1993