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World Bank President: More Food Research Needed for Africa

World Bank President Paul Wolfowitz says more research into food crops and farming techniques is needed to help reduce poverty in sub-Saharan Africa.

Speaking at a conference in Washington, Wolfowitz welcomed new research into ways to adapt rice to grow on the African continent.

He said similar discoveries into ways to increase crop yields have helped a half billion people around the world escape from poverty.

But he said the benefits of earlier discoveries, known as the "green revolution," have mostly bypassed Africa. He says the number of Africans living in poverty has doubled in the past 25 years.

Wolfowitz added that the World Bank loaned nearly $5 billion to African nations last year - half of the bank's total loans for the year.