Esmeraldo Maligsa, a farmer and president of the Bohol Ubi Growers Association, harvests 2,000kg (4,400lbs) of ube, the purple tuber native to the Philippines, every seven months.
He and the other farmers in his group manage a collective yield of between five and eight tonnes, fetching prices of 90 pesos to 100 pesos (US$1.50 to US$1.60) per kilogram.
Such is the going price for ubi kinampay, dubbed the “Queen of Philippine yams”. Grown in Bohol province and nearby areas in central Philippines,...