خيارات البحث
النتائج 31 - 38 من 38
Evolution of heavy metals in marsh areas under rice farming
1999
Andreu, V. | Gimeno-Garcia, E. (Centro de Investigaciones sobre Desertificacion-CIDE - CSIC, Universitat de Valencia, Generalitat Valenciana, Cami de la Marjal s/n, 46470 Albal Valencia (Spain))
Spatial planning as a tool for decreasing nitrogen loads in nature areas
1998
Bleeker, A. | Erisman, J.W. (National Institute of Public Health and the Environment (RIVM), Bilthoven (Netherlands))
Effects of enhanced N deposition as (NH4)2SO4 and HNO3 on base cation leaching from podzol microcosms
1998
White, C.C. | Cresser, M.S. (Department of Plant and Soil Science, University of Aberdeen, Cruickshank Building, Aberdeen, AB24 3UU (United Kingdom))
Nitrogen mineralisation in deciduous forest soils in south Sweden in gradients of soil acidity and deposition
1998
Falkengren-Grerup, U. | Brunet, J. | Diekmann, M. (Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))
The influence of drought and natural rewetting on nitrogen dynamics in a coniferous ecosystem in Ireland
1998
Dise, N.B. | Matzner, E. | Forsius, M. (Department of Earth Sciences, The Open University, Milton Keynes, MK76AA (United Kingdom))
Assessment of trace metal distribution and contamination in surface soils of Hong Kong
1997
Chen, T.B. | Wong, J.W.C. | Zhou, H.Y. | Wong, M.H. (Station for Agroecology and Environmental Technology, Institute of Geography, Chinese Academy of Sciences, 3 Datun Road, Beijing 100101 (China))
Seasonal variability of total and easily leachable element contents in topsoils (0-5 cm) from eight catchments in the European Arctic (Finland, Norway and Russia)
1997
Niskavaara, H. | Reimann, C. | Chekushin, V. | Kashulina, G. (Geological Survey of Finland, PO Box 77, FIN-96101 Rovaniemi (Finland))
Adsorption and desorption of Cu at high equilibrium concentrations by soil and clay samples from Bulgaria
1995
Atanassova, I.D. ('N. Poushkarov' Soil Science and Agroecology Research Institute, 7 Shosse Bankya, Sofia 1080 (Bulgaria))
