Sunyani, Ghana – At harvest time in Ghana’s cashew-growing communities, the ground beneath the trees tells a familiar story.While farmers carefully collect the nuts that will be sold to buyers, the fleshy cashew apples attached to them are often left behind. Within hours, the fruit begins to spoil, turning a potentially valuable part of the harvest into waste.Ghana is one of Africa’s leading cashew producers, harvesting roughly a quarter of a million tonnes of raw cashew nuts each year. The trees also produce far more cashew apples than nuts and industry officials say most of the fruit is never processed…