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结果 1-10 的 17
Ion leaching from a sugar maple forest in response to acidic deposition and nitrification.
1989
Foster N.W. | Hazlett P.W. | Nicolson J.A. | Morrison I.K.
Experimental work related to nitrogen deposition, nitrification and soil acidification - a case study
1988
Nilsson, S.I. | Berden, M. | Popovic, B. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, 750 07 Uppsala (Sweden))
Variation in seasonal precipitation chemistry with altitude in the northern Pennines, UK
1999
Taylor, K. | Woof, C. | Ineson, P. | Scott, W.A. | Rigg, E. | Tipping, E. (Soil Section, Institute of Terrestrial Ecology, Merlewood Research Station, Grange-over-Sands, Cumbria LA11 6JU (United Kingdom))
Competitive sorption of heavy metal by soils. Isotherms and fractional factorial experiments
1998
Echeverria, J.C. | Morera, M.T. | Mazkiaran, C. | Garrido, J.J. (Universidad Publica de Navarra, Departamento de Quimica Aplicada, Campus Arrosadia, 31006 Pamplona (Spain))
[Remediation of soil polluted with heavy metals and use of a field laboratory [electrokinetics, case study]]
1996
Christensen, S.V. | Rasmussen, P.
Growth and activity of mycorrhizas in connection with nutrients, water and oxygen in soil. 1: Growth of plants and mycelia in the microcosms
1993
Kottke, J. (Tuebingen Univ. (Germany). Botanisches Inst. Spezielle Botanik und Mykologie) | Leontovykova, J.
Nutritional aspects of forest soil structure
1989
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.).)
Comparisions of forest soils in relation to acid precipitation in Central Norway, South Norway and Schwarzwald in West Germany
1989
Aune, E.I. (Vitenskapsmuseet, Trondheim (Norway). Botanisk Inst.) | Dahl, E. (Norges Landbrukshoegskole, Aas (Norway). Botanisk Inst.) | Loees, A.K. (Stiftelsen for Oekologisk Landbruk, Tingvoll (Norway))
Distribution of aluminum in black spruce saplings growing on two New Brunswick forest soils with contrasting acid sulfate sorption
1989
Arp, P.A. (New Brunswick Univ., Fredericton, N.B. (Canada). Faculty of Forestry) | Akerley, C. | Mellerowicz, K.
Effect of metal ions on the entomopathogenic nematode Heterorhabditis bacteriophora poinar (Nematoda: Heterorhabditidae) under laboratory conditions
1997
Jaworska, M. (Hugon Kollataj Academy of Agriculture, Cracow (Poland). Dept. of Entomology) | Gorczyca, A. | Sepiol, J. | Tomasik, P.