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３－９选系云南省大理州经作所于１９９３年系统选育出的优质常规籼稻新品种，１９９６年经州、县有关专家及科技人员验收并通过品种审定。经过６年的试验、示范，结合９３－９选品种特征特性，总结出了一套相应的高产栽培技术措施，以突出抓好“一壮，二早，三足，四注重...
3-9 selected Department of Dali Prefecture, Yunnan Province in 1993 by the system of high quality conventional indica variety bred in 1996 by the state and county experts and scientific and technical personnel acceptance and approval of the species. After six years of experiments, demonstrations, combined with 93-9 selected varieties of characteristics and characteristics, summed up a set of corresponding high-yield cultivation techniques and measures to highlight the grasp of "a strong, two early, three feet, four focus ...