蓬蓬勃勃的“农业学大寨”群众运动,把广大人民群众的思想境界提高到一个新的水平,改造生产条件,克服不利因素,实行科学种田,推广优良品种。在农业生产大好形势下,烤烟的生产亦跨进了一个新阶段,争取为祖国社会主义建设和支援世界革命做出新贡献。但是,烤烟品种经过长时期种植,受外界条件的影响,或忽视选种工作,造成了严重退 The thriving “Dazhai Studies in Agriculture” mass movement raised the masses of people’s ideological realm to a new level, transformed production conditions, overcame unfavorable factors, practiced farming with science and promoted fine varieties. Under the favorable agricultural production situation, the production of tobacco has also stepped into a new phase and made new contributions to the socialist construction of the motherland and the revolution in support of the world. However, flue-cured tobacco varieties after a long period of planting, affected by external conditions, or ignore the selection work, resulting in a serious retreat