Esther Kimani was named winner of Africa’s biggest engineering prize

Esther Kimani was named winner of Africa’s biggest engineering prize, the Royal Academy of Engineering’s Africa Prize for Engineering Innovation, in Nairobi on 13 June 2024. Her early crop pest and disease detection device was selected as the winning innovation for its ability to swiftly detect and identify agricultural pests and diseases, reducing crop losses for smallholder farmers by up to 30% while increasing yields by as much as 40%.

Five million smallholder farmers in Kenya lose on average 33% of their crops to pests and diseases. Kimani’s innovation not only provides real-time alerts within five seconds of an infestation, offering tailored intervention suggestions, but also alerts government agricultural officers to the presence of diseases or pests, contributing to broader agricultural management efforts.

The solar-powered tool uses computer vision algorithms and advanced machine learning to detect and identify crop pests, pathogens or diseases, as well as the nature of the infection or infestation. The device then notifies the farmer via SMS. This affordable alternative to traditional detection methods leases for just $3 per month, significantly cheaper than hiring drones or agricultural inspectors

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