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A bioherbicide helping farmers to fight hunger

A World Food Programme demonstration plot. On the left is maize treated with Kichawi Kill, an eco-friendly bioherbicide made by social enterprise Toothpick that tackles the parasitic weed striga. On the right is a maize farm that has not been treated, and has been devastated by striga. [WFP, Lisa Murray]

When Catherine Wanjala woke up in the morning and saw the little purple flowers in her maize field in western Kenya, it broke her heart.

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