| Title | Authors | Year |
|---|---|---|
| Calculated rates of soil acidification of intensively used grassland in the Netherlands. |
Oenema, O… |
1990 |
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| Bryophytes and Nutrient Cycling |
Brown, D.H… |
1990 |
| Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. |
Houlden, G… |
1990 |
| Boron hazards to fish, wildlife, and invertebrates: a synoptic review |
Eisler, R… |
1990 |
| Effects of nitrogen dioxide pollution on the growth of 3 fern species. |
Ashenden, T… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees |
Näsholm, T… |
1990 |
| Epiphyte recolonization of oaks along a gradient of air pollution in south-east England, 1979-1990. |
Bates, J.W… |
1990 |