sentence: as of march 2007 , turkey is the world 's largest producer of hazelnut , cherries , figs , apricot , quince and pomegranate ; the second largest producer of watermelon , cucumber and chickpea ; the third largest producer of tomato , eggplant , green peppers , lentil and pistachio ; the fourth largest producer of onion and olive ; the fifth largest producer of sugar beet ; the sixth largest producer of tobacco , tea and apple ; the seventh largest producer of cotton and barley ; the eighth largest producer of almond ; the ninth largest producer of wheat , rye and grapefruit , and the tenth largest producer of lemon .