Brussels sprouts may be as traditional a part of Christmas as brandy butter and unfunny cracker jokes, but their transformation from growing in a field to a bag in your local supermarket is surprisingly high-tech. See also: Exotic and unusual harvesters: cotton pickers And they’re not just a Yuletide treat any more, with produce available for six months a year, says Andrew Burgess, director of agriculture at big-scale grower Produce World.  Based near Boston, Lincolnshire, and growing over 240ha of […]