Phosphorus loss from different farming systems estimated from soil surface phosphorus balance
| Autor: | Ekholm, Petri *, Turtola, Eila, Grönroos, Juha, Seuri, Pentti, Ylivainio, Kari |
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| Zdroj: | In Agriculture, Ecosystems and Environment 2005 110(3):266-278 |
| Databáze: | ScienceDirect |
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