HYBRID rice developed in the 1970s in China is now grown on some 5 million hectares. Last year, this is estimated to have brought in 3.5 million tons more rice. When Yuan Longping of the Rice...
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HYBRID rice developed in the 1970s in China is now grown on some 5 million hectares. Last year, this is estimated to have brought in 3.5 million tons more rice. When Yuan Longping of the Rice...