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
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions

Nir, R ;…

1990
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers

Weigel, H.J…

1990
The effect of air quality on tree growth.

Lee, H.S.J…

1990
Bryophytes and heavy metals: a literature review

Tyler, G.…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Acidic Deposition, its nature and impacts, Glasgow Conference Abstracts

Caporn, S.J…

1990
Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century

Arts, G.H.P…

1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.

Oenema, O…

1990