[ 发表于: Pollution ]
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结果 1-10 的 47

Soil nutrients in a mature natural mixed forest exposed to elevated CO2

2002

Bucher-Wallin, I. K. | Schleppi, P. | Hagedorn, F. | Bucher, J. B. (Swiss Federal Research Institute WSL, Birmensdorf (Switzerland))

Institute of Agricultural Knowledge and Innovation - Slovakia - Slovakia

Nutrient concentrations in the foliage of beech (Fagus sylvatica L.) and Norway spruce (Picea abies L. Karst.) plants of a model ecosystem in response to long-term exposure to atmospheric CO2 enrichment and increased N deposition

2002

Landolt, W. | Egli, P. | Pezzotta, D. | Bucher, J. B. (Swiss Federal Research Institute WSL, Birmensdorf (Switzerland))

Institute of Agricultural Knowledge and Innovation - Slovakia - Slovakia

Long-term changes of soil chemical parameters in forests of Saxony (Germany)

2002

Raben, G. | Symossek, F. | Katzschner, W. | Gemballa, R. | Karst, H. | Kohler, S. | Nowatzki, O. (Saxon State Institute of Forestry, Pirna (Germany))

Institute of Agricultural Knowledge and Innovation - Slovakia - Slovakia

Needle surface structure and its relation to nutrient status of Norway spruce under the long-term air pollution influence

2002

Popierova, D. | Mankovska, B. (Forest Research Institute, Zvolen (Slovak Republic))

Institute of Agricultural Knowledge and Innovation - Slovakia - Slovakia

Ozone-specific microscopic symptoms in the mesophyll cells and their relation to nutrient status of Norway spruce needles - a field study

2002

Kivimaenpaa, M. (University of Kuopio, Kuopio (Finland). Department of Ecology and Environmental Science) | Jonsson, A. M. | Stjernquist, I. | Sellden, G. | Suttinen, S.

Institute of Agricultural Knowledge and Innovation - Slovakia - Slovakia

Reducing the impact of crop nutrients on the environment

1993

Steen, I. | Williams, T. (European Fertilizer Manufacturers Association, Brussels (Belgium))

Department for Environment, Food and Rural Affairs - United Kingdom


Towards integrated national modelling with particular reference to the environmental effects of nutrients

1998

Alkemade, J.R.M. | Grinsven, J.J.M. van | Wiertz, J. | Kros, J. (National Institute of Public Health and the Environment, Bilthoven (Netherlands))

Department for Environment, Food and Rural Affairs - United Kingdom

Monitoring of nitrogen compounds on Yakushima Island, a world natural heritage site

1998

Satake, K. | Inoue, T. | Kasasaku, K. | Nagafuchi, O. | Nakano, T. (National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-0053 (Japan))

Department for Environment, Food and Rural Affairs - United Kingdom

Nitrogen in Dutch freshwater lakes: trends and targets

1998

Molen, D.T. van der | Portielje, R. | Nobel, W.T. de | Boers, P.C.M. (Institute for Inland Water Management and Waste Water Treatment, Lelystad (Netherlands))

Department for Environment, Food and Rural Affairs - United Kingdom