What happened
Opportunity International, a non-profit, built Ulangizi, a generative AI chatbot on WhatsApp that answers farming questions in Chichewa and English. The Associated Press reported from Mulanje in southern Malawi on 12 September 2025. It interviewed a farmer whose soil was stripped by Cyclone Freddy in 2023, which cut his corn harvest from about 850 kilograms a season to 8 kilograms. The chatbot's advice was to grow potatoes alongside his corn and cassava to suit his changed soil. He told the AP that he followed the instructions, cultivated half a soccer field of potatoes, made more than $800 in sales and paid his children's school fees. A farmer support agent brings a smartphone with the app to farmers without devices and serves about 150 to 200 farmers. The tool follows the agriculture ministry's advice and has government backing. A ministry extension officer said that farmers with the app help fellow farmers and that productivity is improving. The gain is one farmer's own account. Poor connectivity slows the app. A Malawian technology specialist warned that a wrong diagnosis could ruin a crop.
Sources
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News report, by authors with no tie to the system.
Gregory Gondwe, The Associated Press (2025). How AI is helping some small-scale farmers weather a changing climate. 12 September 2025, published by CP24.
The AI chatbot suggested Maere grow potatoes last year alongside his staple corn and cassava to adjust to his changed soil. He followed the instructions to the letter, he said, and cultivated half a soccer field’s worth of potatoes and made more than $800 in sales, turning around his and his children’s fortunes.
Details
AI system
- Workflow
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The chatbot answered the farmer's question about his changed soil with advice to grow potatoes alongside corn and cassava. The farmer followed the instructions and planted half a soccer field of potatoes. A farmer support agent brought a smartphone with the app to farmers without devices.
Money
- Kind of value
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Sales of potatoes grown on half a soccer field in one season
- Amount
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More than $800
- Recipients and payers
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The farmer
Follow-up
- Conditions for replication
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The advice must suit the farmer's soil and local conditions, which the tool aligns with the agriculture ministry's guidance. A phone, a signal and a support agent must be available, since connectivity in the area is poor.
Entry details
- Sector
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Agriculture / farm advisory.
- Purpose
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Opportunity International built Ulangizi to give Malawian smallholders farming advice on WhatsApp in Chichewa and English, in line with the agriculture ministry's guidance.
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Cite this benefit
Peter H. Vartanian. (2026). Ulangizi advice on potatoes earns a Malawi farmer more than $800 (AIBD-1197). Artificial Intelligence Benefits Database, edition of 2 November 2026. https://petervartanian.xyz/aibd/records/AIBD-1197.html (archived at https://doi.org/10.7910/DVN/AADSII, version 9.0)