A small but growing army of combinable crop growers are resorting to medieval methods in their war on weeds, shunning modern chemical weapons in favour of decapitating their botanical enemies.It might sound crude, but chopping the heads off perennial troublemakers such as blackgrass, ryegrass and brome is fast becoming the only effective way to thin out seedbanks in fields overrun with herbicide-resistant weeds.That's the approach German maker Zurn has taken with its Top Cut Collect (TCC) - a weed harvester originally designed by French farmer and inventor Romain Bouille.
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