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flag Nigerian agronomist Mercy Diebiru-Ojo wins 2025 Africa Food Prize for hydroponic method boosting yam and cassava yields sixfold.

flag Nigerian agronomist Mercy Diebiru-Ojo, winner of the 2025 Africa Food Prize, is advancing a hydroponic farming method that boosts yam and cassava yields up to 30 tonnes per hectare—six times typical levels—by growing disease-free plantlets in greenhouses before transplanting them into fields. flag Her work at the International Institute of Tropical Agriculture aims to combat food insecurity in Nigeria, where 30 million people face hunger, by improving crop resilience and enabling local processing of cassava and yams. flag The technique, adapted with U.S. support, supports a shift from raw export to value-added production in bioplastics, biofuels, and food, with regional collaboration across 15 African nations.

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