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汝城县2007—2010年连续4 a实施超级杂交中稻“种三产四”丰产工程,共计示范2 300 hm2;介绍了4 a来项目实施效果及高产栽培技术。
In Rucheng County, a total of 2 300 hm2 of super hybrid mid-season rice was planted in 2007-2010 for a continuous period of 4 years. The project implementation effect and high-yielding cultivation techniques for 4 years were introduced.