Cacao beans can be a better crop than coca plants for export , some say . Cacao ` ` a very strong engine of growth '' in upper Peruvian Amazon region . Chocolate ##s can provide a legal and safe source of income , backers say . Peru is second largest producer of coca in the world .
Cacao beans can be a better crop than coca plants for farmers , some say . Cacao `` a very strong engine of growth '' in upper Peruvian Amazon forest . Chocolate industry can provide a legal and safe source of income , backers say . Peru remains second largest producer of coca in the world .