A farmer cuts his cocoa tree to make way for a palm oil plantation in Kolaka in Indonesia's southeast Sulawesi province September 4, 2012. A $350-million campaign to boost cocoa yields in Indonesia, the world's third largest producer of the commodity, is turning sour as farmers send streams of poor-quality beans plucked from the defective trees to a collecting centres. To match feature COCOA-INDONESIA/ REUTERS/Yusuf Ahmad (INDONESIA - Tags: ENVIRONMENT BUSINESS)