The indices of coffee production have improved significantly in recent years, the province of Uige, fruit enlargement of the areas of action for the culture, reported today (Wednesday), ANGOP, in this city, the local director of INCA, Vasco Gonçalves. According to him, last year were harvested five thousand tons of coffee mabuba and this year is expected to harvest in order of around six tonnes of coffee mabuba, which equates to about three thousand tons of commercial coffee.