APIS Bibliography

Title	Authors	Year
Chromium in swiss chard grown on soil amended with tannery meal fertilizer	Grubinger,…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
Acidification of freshwater ecosystems: implications for the future	Rosseland,…	1994
Accumulation of amino acids in some boreal forest plants in response to increased nitrogen availability	Näsholm, T…	1994
Group report: are chemical and biological changes reversible?	Dise, N.B…	1994
Relationship between heavy metal accumulation and toxicity in Spirodella polyrhiza and Azolla pinnata	Gaur, J. P…	1994
Effect of different forms and sources of arsenic crop yield and arsenic concentration	Jiang, Q ;…	1994
Causal mechanisms by which sulphate, nitrate and acidity influence frost hardiness in red spruce: review and hypothesis.	Sheppard, L…	1994
Critical levels for ozone; a UNECE workshop report	Fuhrer, J…	1994
Impacts of nitrogen deposition in terrestrial ecosystems in the United Kingdom	INDITE,	1994