细化搜索
结果 251-260 的 329
Environmental pollution and impacts on soils and forests nutrition in North America
1990
Johnson, D.W. (Biological Sciences Center, Reno, NV (USA). Desert Research Inst.) | Ball, J.T.
Fall exposure of beech saplings (Fagus sylvatica L.) to ozone and simulated acidic mist: effects on gas exchange and leachability
1990
Leonardi, S. (GSF-Muenchen, Neuherberg (Germany, F.R.). Inst. fuer Biochemische Pflanzenpathologie) | Langebartels, C.
Survival rate of tree and shrub seedlings under extreme environmental nitrogen pollution
1990
Kowalkowski, A. (Pedagogical Univ., Kielce (Poland). Inst. of Geography)
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.
Effects of magnesium fertilizer on the vitality and nutrition of a European beech (Fagus sylvatica L.) stand in the Southern Black Forest of West Germany
1990
Ende, H.P. (Albert-Ludwigs-University, Freiburg i. Br. (Germany, F.R.). Inst. of Soil Science and Forest Nutrition) | Zoettl, H.W.
Environmental pollution and control
1990
Vesilind, P. Aarne | Peirce, J. Jeffrey | Weiner, Ruth F.
[Scientific bases for pollution control in African inland waters]
1990
Saad, M.A.H. | Amuzu, A.T. | Biney, C. | Calamari, D. | Imevbore, A.M. | Naeve, H.C.F.
Phosphorus removal from wastewater
1990
Bowker, Robert P. G. | Stensel, H. David
Contamination of ground water
1990
Barcelona, Michael J.
Contaminant monitoring programmes using marine organisms: quality assurance and good laboratory practice
1990