خيارات البحث
النتائج 51 - 60 من 240
Pollution prevention research programs
1994
Beech foliage as a bioindicator of pollution near a waste incinerator
1994
Keller, T. | Matyssek, R. | Gunthardt-Goerg, M.S. (Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf ZH, CH 8903 (Switzerland))
Iron content and its relations to the sulphur and titanium contents of epiphytic and terricolous lichens and pine bark in Finland
1994
Takala, K. | Olkkonen, H. | Salminen, R. (Ecological Laboratory, Department of Environmental Sciences, University of Kuopio, P.O. Box 1627, SF-70211 Kuopio (Finland))
Interaction of ozone exposure and Fusarium subglutinans inoculation on growth and disease development of loblolly pine seedlings
1994
Carey, W.A. | Kelley, W.D. (School of Forestry and Alabama Agricultural Experimental Station, M. White-Smith Hall, Auburn University, Alabama 36849-5418 (USA))
Exposure of oats, Avena sativa L., to filtered and unfiltered air in open-top chambers: effects on grain yield and quality
1994
Pleijel, H. | Skarby, L. | Ojanpera, K. | Sellden, G. (Swedish Environmental Research Institute (IVL), Box 47086, S-402 58 Goteborg (Sweden))
Effects of atmospheric ammonia on vegetation - a review
1994
Fangmeier, A. | Hadwiger-Fangmeier, A. | Eerden, L. van der | Jager, H.J. (Institut fur Pflanzenokologie, Justus-Liebig-Universitat Giessen, 35392 Giessen (Germany))
Pb uptake by ecologically dissimilar earthworm (Lumbricidae) species near a lead smelter in south Finland
1994
Terhivuo, J. | Pankakoski, E. | Hyvarinen, H. | Koivisto, I. (Zoological Museum, PO Box 17, FIN-00014 University of Helsinki (Finland))
The influence of mycorrhizal symbiosis and fertilizer amendments on establishment of vegetation in heavy metal mine spoil
1994
Hetrick, B.A.D. | Wilson, G.W.T. | Figge, D.A.H. (Department of Plant Pathology, State University, Manhattan, KS 66506 (USA))
Effects of ozone on managed pasture: 1. Effects of open-top chambers on microclimate, ozone flux, and plant growth
1994
Fuhrer, J. (Swiss Federal Research Station for Agricultural Chemistry and Environmental Hygiene, 3097 Liebefeld-Bern (Switzerland))
Anaerobic digestion of a mixture of cheese whey, poultry waste and cattle dung: a study of the use of adsorbents to improve digester performance
1994
Desai, M. | Madamwar, D. (Post-Graduate Department of Biosciences, Sardar Patel University, Vallabh Vidyanagar-388 120, Gujarat (India))