我国原来没有甘薯,它是由爱国华侨陈振龙冒着生命危险从国外引进来的。陈振龙是明代福建长乐县人,侨居吕宋(今菲律宾)经商。有一年,他回国探亲,正巧福建沿海遭受洪水灾害,庄稼被淹,粮食欠收,不少乡亲饿死。陈振龙心里非常难过,暗暗思量:吕宋的甘薯种植容易,生长期短,旱涝保收,生的熟的都可以吃。如果把它引进国内种植,不论丰年还是灾年,都是穷苦百姓的代粮食品。可是吕宋政府明文规定:不准甘薯种出口,偷运要处死刑。为了给家乡人民造福,陈振龙决心冒险引进甘薯种,即使粉身碎骨,也在 Our country did not have sweet potato originally, it is risked by the life of patriotic overseas Chinese Chen Zhenlong introduced from abroad. Chen Zhenlong is a native of Changle County of Fujian Province in the Ming Dynasty, a resident of Luzon (now Philippines) doing business. One year, he returned home to visit relatives, happened to suffer floods along the coast of Fujian, crops were flooded, food owed, many folks starve to death. Chen Zhenlong heart very sad, secretly consider: Luzon sweet potato easy planting, short growth period, drought and salvage income, students can eat cooked. If it is introduced into the domestic cultivation, regardless of the harvest or disaster year, are the food for the poor people on behalf of food. However, the government of Luzon expressly provides: not allowed to export sweet potato, smuggling place to death. In order to benefit the people in his hometown, Chen Zhenlong determined to take the risk of introducing sweet potato species, even frail, but also