APIS Bibliography

Title	Authors	Year
The variation in the acidity of ground and surface waters in Northern Ireland	Jordan, C…	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
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California.	Huettl, R.F…	1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers	Weigel, H.J…	1990
Toxicity of heavy metals to brine shrimp Artemia.	Gajbhiye, S…	1990
The effect of air quality on tree growth.	Lee, H.S.J…	1990
The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline".	Cape, J.N…	1990
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990