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近年来,随着连城红心甘薯干销售市场的不断拓宽,新开辟的烤烟套种甘薯的栽培模式取得迅速的发展,因套种甘薯和烤烟有１５～２０天的共生期,比烟后薯提早２０～２５天插薯,大大延长甘薯的生育期,使块根膨大处于较适宜的温光条件,避免后期低温对块根膨大的制约,从而明显提高甘薯
In recent years, with the Liancheng heart sweet potato sales market continues to broaden, the newly developed flue-cured tobacco intercropping sweet potato cultivation pattern has made rapid development, because intercropping sweet potato and flue-cured tobacco have a 15 to 20 days symbiotic period, 25 days plug the potato, greatly extend the sweet potato growth period, so that the root enlargement at a more suitable temperature and light conditions, to avoid post-low temperature on the expansion of tuberous constraints, which significantly improve the sweet potato