Source: Elizabeth Elkin & Samuel Gebre, YAHOO FINANCE, 5/1/22

For the first time ever, farmers the world over — all at the same time — are testing the limits of how little chemical fertilizer they can apply without devastating their yields come harvest time. Early predictions are bleak. In Brazil, the world’s biggest soybean producer, a 20% cut in potash use could bring a 14% drop in yields, according to industry consultancy MB Agro. In Costa Rica, a coffee cooperative representing 1,200 small producers sees output falling as much as 15% next year if the farmers miss even one-third of normal application. In West Africa...

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