AGRICULTURE in Guangxi Zhuang Autonomous Region has become a profitable industry. Sun Shiming, 47. lives in Shika, Guigang City. He owns 6 mu (1 mu=1/15 hectare) of farmland and until recently made a living off it by planting rice. When he discovered he I could earn several hundred yuan more per mu from planting sugarcane, he immediately switched. Sun Shiming’s