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Cassava is a staple food for nearly a billion people, but yields in sub-Saharan Africa remain low.
The Cassava Source-Sink (CASS) project is working to change this by boosting the crop’s natural productivity - improving food security, incomes, and livelihoods for millions, especially smallholder farmers.
Learn more about the crop, the science and the people behind Cass Research
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Upcoming
Annual CASSIII meeting IITA Ibadan 23rd – 25th September 2025
The IITA in Ibadan, Nigeria, is a leading research center for tropical agriculture, focusing on food security and the development of key crops for Africa. It works with global partners to improve livelihoods and promote sustainable agriculture solutions.
CASS Research - By the Numbers
800 million
people depend on cassava as a staple food
40 + working
across disciplines to unlock cassava's potential
60% women farmers
Estimated share of women among cassava producers
10 countries
collaborating in CASS project
4.5 tons per hectare
Potential cassava yield with source-sink optimization
50 + years
Cassava has been a global food security crop for decades
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