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 Draadrobot kan zich zelf terugverdienen \ Veehouderij : tweewekelijks vaksupplement van boerderij [Artikel]
Stevens, R. \ 2007
Veehouders krijgen met de draadrobot Voyager hulp bij het verplaasen van koeien in de wei. Dat maakt stripgrazen eenvoudiger. In dit artikel is berekend of er economisch voordeel is
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