Title Authors Year
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
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
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments

Elser, J.J…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Effects of nitrogen dioxide pollution on the growth of 3 fern species.

Ashenden, T…

1990
The variation in the acidity of ground and surface waters in Northern Ireland

Jordan, C…

1990
Cation-exchange properties and adaptation to soil acidity in bryophytes

Buscher, P…

1990
Epiphyte recolonization of oaks along a gradient of air pollution in south-east England, 1979-1990.

Bates, J.W…

1990