African crops, economies at risk as El Nino threatens to scorch and soak
Warming in Pacific triggers extreme weather around globe
Extended drought seen in southern Africa, floods in east
Millions face hunger in Ethiopia, Zimbabwe
By Ed Stoddard
POTCHEFSTROOM, South Africa, Oct 2 (Reuters) - Standing waist-deep in a hole, South African maize farmer Tom van Rooyen digs at the side with a small pickaxe.
"There is moisture 25 centimetres down but nothing beyond that. If we get below-average rains, it will be a disaster," he said, wiping the red dust from his calloused hands.
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