A farmer holds a spoiled watermelon in his greenhouse on June 8, 2011, in Xincuo county’s watermelon planting base in Fuqing city, East China's Fujian province. Reports of bursting watermelons caused by the use of growth chemicals in Jiangsu province haunted Chinese melon farmers who had hoped to grab good profits after big harvests. [Photo/CFP]

A farmer cleans up spoiled watermelons on June 8, 2011, in Xincuo county’s watermelon planting base in Fujian province’s Fuqing city. Reports of bursting watermelons caused by the use of growth chemicals in Jiangsu province haunted Chinese melon farmers who had hoped to grab good profits after big harvests. [Photo/CFP]