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福建省尤溪县管前农技站于1986年从四川农大引进D297A、B,分别与明恢63、明恢67配组,选育出有粳型血缘的汕稻杂交新组合D297优63和D297优67。 D297优63 1988年在管前连片种植100亩,较汕优63亩增74.86公斤,增产17.9％。1989年在管前乡绿柳村洋头(海拔250米)作再生稻高产示范栽培117亩,头季稻亩产
The Youqian Agricultural Science and Technology Station of Youxi County, Fujian Province, introduced D297A, B from Sichuan Agricultural University in 1986 and D297You63 D297 excellent 67. D297 gifted 63 in 1988 before the contiguous planting 100 acres, more than Shanyou 63 acres increased by 74.86 kilograms, an increase of 17.9%. In 1989 in the tube before the village of Green Willow Village foreign head (250 meters above sea level) for high yield cultivation of ratoon rice demonstration 117 acres, the first quarter of rice mu