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结果 151-160 的 266
Ground water pollution potential of Lorain County, Ohio
1989
Barber, Douglas J.
Ground water pollution potential of Hamilton County, Ohio
1989
[Structural changes of silver fir and Norway spruce needles following fumigation experiments]
1989
Ruetze, M. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.). Inst. fuer Holzbiologie und Holzschutz) | Schmitt, U. | Liese, W.
[Effects of virus infections on forest trees under stress of air pollutants (SO2 and O3 applications)]
1989
Nienhaus, F. (Bonn Univ. (Germany, F.R.). Inst. fuer Pflanzenkrankheiten)
[Studies on the fine root biology of Norway spruce (Picea abies (L.) Karst.) in the field and after controlled fumigation with No2, O3 and SO2]
1989
Blaschke, H. (Muenchen Univ. (Germany, F.R.). Lehrstuhl fuer Forstbotanik)
[Studies on the chronical effect of gaseous and soluted substances on young fir, Norway spruce and beech trees in model ecosystems]
1989
Seufert, G. (Hohenheim Univ. (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U.
[Studies on the combination effect of sulphur dioxide, nitrogen oxide and ozone of forest trees]
1989
Guderian, R. (Essen Univ. Gesamthochschule (Germany, F.R.). Inst. fuer Angewandte Botanik) | Klumpp, G. | Klumpp, A. | Kueppers, K.
Acidic emissions control technology and costs.
1989
Emmel T.E. | Waddell J.T. | Adams R.C.
Volatilization technologies for removing organics from water.
1989
Fleming J.L.
Climate change and forest decline: a review of the red spruce case
1989
Cook, E.R. (Lamont-Doherty Geological Observatory, Palisades, NY (USA). Tree-Ring Lab.) | Johnson, A.H.