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Impact of changed cropping practices on weed occurrence in spring cereals in Finland – a comparison of surveys in 1997–1999 and 2007–2009 |
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| Authors: | J SALONEN T HYVÖNEN J KASEVA H JALLI |
| Affiliation: | MTT Agrifood Research Finland, Plant Production Research, Jokioinen, Finland |
| Abstract: | |
| Keywords: | direct drilling glyphosate organic farming tillage weed control weed mapping |