A great big bowl of birthday rice
本文作者： 21ST
WHEN Yuan Longping, the “Father of Hybrid Rice”, turned 80 last year, he vowed (发誓) to cultivate (培育) a new type of hybrid rice yielding (生产) about 13.5 tons a hectare (公顷) by 2012, increasing to 15 tons a hectare in 2020. |  |
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