How to win the war against armyworm without pesticides

For years, farmers in Nairobi were at the mercy of weeds and then armyworms that both destroyed large amounts of cropland that was dedicated to growing maize. Researchers from the International Centre of Insect Physiology and Ecology, however, became adamant about finding a solution and eventually found very specific types of grasses that when planted intercropped, not only kept the worm away, but also helped improve the viability of the soil.

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