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Результаты 131-140 из 219
Sampling and analysis of the soil fumigants 1,3-dichloropropene and methyl isothiocyanate in the air
1992
Berg, F. van den (Winand Staring Centre for Integrated Land, Soil and Water Research, Wageningen (Netherlands)) | Leistra, M. | Roos, A.H. | Tuinstra, L.G.M.T.
Simulated acid rain effects on fine roots, ectomycorrhizae, microorganisms, and invertebrates in pine forests of the Southern United States
1992
Esher, R.J. (Mississippi State Univ. Research Center, Mississippi, MS (USA). Stennis Space Center) | Marx, D.H. | Ursic, S.J. | Baker, R.L. | Brown, L.R. | Coleman, D.C.
Soil acidification and element fluxes of a Fagus sylvatica forest as influenced by simulated nitrogen deposition
1992
Bergkvist, B. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Folkeson, L.
Effects of media components on toxicity of Cd to rhizobia
1992
Scott Angle, J. (Maryland Univ., College Park, MD (USA). Dept. of Agronomy) | McGrath, S.P. | Chaudri, A.M.
Summary of phytotoxic levels of soil arsenic
1992
Sheppard, S.C. (Environmental Science Branch AECL Research, Pinawa, Manitoba (Canada). Whiteshell Labs.)
Interacting effects of nutrients, pH - Al and elevated CO2 on the growth of red spruce (Picea rubens Sarg.) seedlings
1992
Shipley, B. (McGill Univ., Montreal, Que. (Canada). Dept. of Biology) | Lechowicz, M. | Dumont, S. | Hendershot, W.H.
Toxic metal chemistry in marine environments
1992
Sadiq, Muhammad
Macromycetes and air pollution
1992
Gulden, Gro
Effects of acidic precipitation, fertilization and liming on the ground vegetation in coniferous forests of southern Germany
1992
Rodenkirchen, H. (Munich Univ. (Germany). Chair of Soil Science)
Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition
1992
Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)