For centuries, African farmers across the continent have grown cassava. The woody shrub was introduced to Africa from South America by Portuguese traders in the 16th Century and grows well in the continent’s drylands and produces nutritious, calorie-rich meals.
But Zambia’s cassava growers were not deriving as much out of the crop as was possible. Farmers in the southern African country used low-quality planting materials and suffered from poor harvests leading to hunger and poverty across many of the country’s villages. […]
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