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2006年11月12日,湖南省邵阳县下花桥镇又兴村科技示范户唐乐生在展示一蔸重5千克的第二季红薯。唐乐生从中国科学院引进双季红薯种,去年种植200平方米,每季生长期仅3个月,每蔸结薯4至12块,最大蔸重达5千克,单季每667平方米产量超过15000千克,比普通红薯高出2倍多。这种双季红薯
On November 12, 2006, Tang Lansheng, a technology demonstration worker at Xinghua Village, Xiahuaqiao Town, Shaoyang County, Hunan Province, showed off the second season sweet potato with a weight of 5kg. Tang Lansheng introduced the double-seeding sweet potato species from the Chinese Academy of Sciences. Last year, it planted 200 square meters, with a seasonal growth period of only 3 months. Each twig produced 4 to 12 pieces of potato with a maximum weight of 5 kg. Each single-season production exceeded 66,000 square meters Kg, 2 times more than ordinary sweet potato. This double season sweet potato