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
The effect of repeated N fertlization on mye infection in heather (Calluna vulgaris (L) Hull)	Caporn, S.J…	1995
River Quality in Northern Ireland	Service,…	1995
Recent trends in beech tree health in southern Britain and the influence of soil type.	Power, S.;…	1995
Acid rain research: Do we have enough answers?	Heij, G.J…	1995
A rapid change in ozone resistance of Plantago major after summers with high ozone concentrations	Davison, A.…	1995
The use of an unenclosed field fumigation system to determine the effects of elevated ozone on a grass clover mixture.	Wilbourn, S…	1995
Nitrogen saturation in a long-term forest experiment with annual additions of nitrogen	Tamm, C.O…	1995
Critical loads of acidity for surface waters - can the ANC limit be considered variable?	Henriksen,…	1995