Feeding sub-Saharan Africa

In the west, we’ve spent 50 years relying on increasing food yields by adding nitrogen-based fertilisers to the soils. But it’s not an approach that seems to be working for the millions of smallholder farmers across western and central Africa. Local farmers, agronomists and scientists from across the world are working together to find innovative solutions.

Prof Giles Oldroyd has a radical idea…

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