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Fertilizer nitrogen budget in a Scots pine ecosystem attained by using root-isolated plots and15N tracer technique |
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| Authors: | J. Melin H. Nômmik U. Lohm J. Flower-Ellis |
| Affiliation: | 1. Department of Forest Soils, Swedish University of Agricultural Sciences, Uppsala, Sweden 2. Department of Water in Environment and Society, University of Link?ping, Sweden 3. Department of Forest Site Research, Swedish University of Agricultural Sciences, Ume?, Sweden |
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