خيارات البحث
النتائج 111 - 120 من 329
The state of transboundary air pollution: 1989 update
1990
Constructed wetlands in water pollution control
1990
Cooper, P. F. (Paul F) | Findlater, B. C.
Estimated inputs of organochlorines from the river Ebro into the northwestern Mediterranean
1990
Montanes, J.F.C. | Risebrough, R.W. | Lappe, B.W. de | Marino, M.G. | Albaiges, J. (Centre d'Investigacio i Desenvolupament (CSIC), Jordi Girona Salgado 18-26, 08034 Barcelona (Spain))
Growth and mortality of Sonneratia caseolaris planted on an experimentally oil-polluted soil
1990
Dutrieux, E. | Martin, F. | Debry, A. (Lab. Hydrobiol. Marine, URA 1335, USTL, 34060 Montpellier Cedex (France))
Ground water pollution potential of Portage County, Ohio
1990
Angle, Michael P.
[Reduction of forest damage caused by air pollution in Norway spruce (Picea abies (L.) Karst.) stands by means of melioration and the establishment of mixed forests]
1990
Lucke, E. (Institut fuer Forstwissenschaften Eberswalde, Suhl (Germany). Forschungs- und Ueberleitungszentrum) | Melzer, E.W.
[Study on the root development of European larch (Larix decidua L.) in ENSO plant containers and on further plant development on planting sites]
1990
Roeder, T. (Technische Univ. Dresden, Tharandt (Germany). Sektion Forstwirtschaft) | Wagner, W. | Handriek, C. | Melzer, E.W.
[Use of willows for the afforestation of clearings in forests damaged by air pollution]
1990
Stepanek, V. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Uradnicek, L.
[Use of container plants for the afforestation of areas damaged by air pollution]
1990
Volna, M. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Hauck, O. | Rychnovska, A.
[The use of Populus tremula for the afforestation in areas damaged by air pollution]
1990
Pospisil, J. (Vysoka Skola Zemedelska, Brno (CSFR). Lesnicka Fakulta) | Alferi, L.