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Study shows benefit in moving harvest windrows

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Weeds researcher Peter Newman is encouraging growers with autosteer on their headers who burn harvest windrows for weed seed control to move their windrows by one metre each year to minimise the amount of nutrients lost from windrowed stubble... If the header follows a different path each year, the potassium is eventually redistributed across the paddock and only nitrogen is lost, Mr Newman says... With higher fertiliser prices and most headers fitted with autosteer, he says "the game has changed and we need to react "...
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