APIS Bibliography

Title	Authors	Year
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.	Huettl, R.F…	1990
The effect of air quality on tree growth.	Lee, H.S.J…	1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers	Weigel, H.J…	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
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments	Elser, J.J…	1990
The variation in the acidity of ground and surface waters in Northern Ireland	Jordan, C…	1990
Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland	Garansson,…	1990
On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition	Ross, H.B…	1990