[ 发表于: Pollution ]
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Variations in sulphur and nitrogen foliar concentration of deciduous and conifers vegetation in Slovakia
1997
Mankovska, B. (Forest Research Inst., Zvolen (Slovak Republic).)
Wageningen University & Research - Netherlands
Ion leaching before and after clear-cutting in a Norway spruce stand: effects of long-term application of ammonium nitrate and superphosphate
1997
Berden, M. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Soil Sciences) | Nilsson, S.I. | Nyman, P.
Wageningen University & Research - Netherlands
Needle S fractions and S to N ratios as indices of SO(2) deposition
1997
Manninen, S. (Oulu Univ. (Finland). Dept. of Biology and Botany) | Huttunen, S. | Peraemaeki, P.
Wageningen University & Research - Netherlands
Monitoring nitrogen pollution from sugarcane runoff using (15)N analysis
1997
Lindau, C.W. (Louisiana State Univ., Baton Rouge, LA (USA). Nuclear Science Center, Wetland Biogeochemistry Inst.) | Delaune, R.D. | Alford, D.P.
Wageningen University & Research - Netherlands
