خيارات البحث
النتائج 1 - 10 من 14
Liming and wet acid deposition effects on tree growth and nutrition: experimental results
1990
Tveite, B. (Norwegian Forest Research Inst., Aas (Norway)) | Abrahamsen, G. | Stuanes, A.O.
Scattered CaSO(4)-crystallites on needle surfaces after simulated acid rain as an indicator of nutrient leaching
1990
Huttunen, S. (Oulo Univ. (Finland). Dept. of Botany) | Turunen, M. | Reinikainen, J.
The effect of nitrogen and potassium availability on scleroderris canker of Scots pine seedlings
1990
Ylimartimo, A. (Helsinki Univ. (Finland). Dept. of Silviculture)
Effects of forest liming on the nutrient status of podzolic soils in Finland
1990
Derome, J. (Finnish Forest Research Inst., Vantaa (Finland). Dept. of Soil Science)
Nutrient stress in young Scots pines suffering from needle loss in a dry heath forest
1990
Tikkanen, E. (Lapland Univ., Rovaniemi (Finland). Arctic Centre) | Raitio, H.
Bioelement content and biomass in Scots pine: effect of acidification and liming
1990
Popovic, B. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research)
Peroxidase activity as an indicator of pollution stress in the fine roots of Pinus sylvestris
1990
Markkola, A.M. (Oulu Univ. (Finland). Dept. of Botany) | Ohtonen, R. | Tarvainen, O.
The effects of forest liming on fertilization on fine-root growth
1990
Persson, H. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research) | Ahlstroem, K.
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)
1990
Dueck, T.A. (Instituut voor Plantenziektenkundig Onderzoek, Wageningen (Netherlands)) | Dorel, F.G. | Horst, R. ter | Eerden, L.J. van der
[Studies on the occurrence of damaging and useful insects in afforestation sites of the Eastern Ore Mountains effected by air pollution]
1990
Pohris, V. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Ness, T.
