APIS Bibliography

Title	Authors	Year
Biological Nitrogen-Fixation - an Efficient Source of Nitrogen for Sustainable Agricultural Production	Peoples, M…	1995
Establishing critical levels for the effects of air pollution on vegetation	Ashmore, M.…	1995
Methods to derive critical loadsfor nitrogen for terrestrial ecosystems	Vries, W.;…	1995
Recent trends in beech tree health in southern Britain and the influence of soil type.	Power, S.;…	1995
Long term effects of enhanced nitrogen deposition on a lowland dry heath in southern Britain.	Power, S.;…	1995
The use of an unenclosed field fumigation system to determine the effects of elevated ozone on a grass clover mixture.	Wilbourn, S…	1995
Are calcareous grasslands in the UK under threat from nitrogen deposition - an experimental determination of a critical load	Wilson, E.J…	1995
Silvicultural use of wood ashes - effects on the nutrient and heavy metal balance in a pine forest soil.	Bramryd, T…	1995
Atmospheric deposition of nitrogen compounds to heathlands	Sutton, M.A…	1995
Deposition of fixed atmospheric nitrogen and foliar nitrogen content of bryophytes and Calluna vulgaris	Pitcairn, C…	1995