Physical impact of grazing by sheep on soil parameters in the Nama Karoo subshrub/grass rangeland of South Africa
| Autor: | du Toit, G. van N., Snyman, H.A., Malan, P.J. |
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| Zdroj: | In Journal of Arid Environments 2009 73(9):804-810 |
| Databáze: | ScienceDirect |
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