APIS Bibliography

Title	Authors	Year
Eutrophication: assessment, research and management with special reference to Scotland's Freshwaters	Bailey-…	1990
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.	Huettl, R.F…	1990
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions	Nir, R ;…	1990
Bryophytes and heavy metals: a literature review	Tyler, G.…	1990
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.	Houlden, G…	1990
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990
The variation in the acidity of ground and surface waters in Northern Ireland	Jordan, C…	1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.	Oenema, O…	1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland	Garansson,…	1990