APIS Bibliography

Title	Authors	Year
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
Fine Root Studies in situ and in the Laboratory.	Wollmer, H…	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
Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification	Beebee, T.J…	1990
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
Cation-exchange properties and adaptation to soil acidity in bryophytes	Buscher, P…	1990