From organic to conventional cropping – subsequent effects on weed incidence
2014
Salonen, Jukka | Hyvönen, Terho
In Finland, repeated weed surveys in spring cereals are carried out to follow the changes in weed populations. Organic farming gained popularity in the late 1990s but now some farms have returned back to conventional cropping. In consequence, weed infestation level declined substantially in such fields. Slightly higher abundance of some weed species was observed compared with the fields under continuous conventional cropping. Still, organic cropping did not pose any marked subsequent weed problems which could not be managed with chemical control and crop competition.
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