| Title | Authors | Year |
|---|---|---|
| Large Lakes: ecological structure and function |
Kilham, S.S… |
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 |
| 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 |
| Toxicity of heavy metals to brine shrimp Artemia. |
Gajbhiye, S… |
1990 |
| Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers |
Weigel, H.J… |
1990 |
| Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2. |
Houlden, G… |
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 |