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该品种是山东莱州农科院育成的玉米优良品种，省种子经营站１９９８年在九台市卡伦镇、龙家堡镇超１００公顷示范种植中产量表现突出．公顷产量均超１１５００公斤。高产地块公顷产量可达１４４００公斤．３１１９是中央农业部“九五”期间玉米新品种更换计划主推品种之一...
The breed is cultivated in Laizhou Academy of Agricultural Sciences Shandong maize varieties, the provincial seed management station in 1998 in Kailun Jiutai City, Longjiapu over 100 hectares of demonstrative plant output outstanding. Hectare yield are super-11500 kilograms. High-yield plots yield up to 14400 kilograms. 3119 is one of the main varieties promoted by the Central Ministry of Agriculture during the “Ninth Five-Year Plan” period.