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Shoot and root responses of FM to nitrogen limitation, at harvest. Representative mature, intact plants harvested in 2013, provided with +N and -N treatments (A). The seed heads were pre-harvested. The white scale bar at the lower right represents a length of 25 cm. Representative mature, entire root networks harvested in 2012 grown under +N and -N treatments, left and right respectively (B). The black scale bar at the lower right represents a length of 10 cm.
