李嫂把一只地瓜种在玻璃罐里,块茎大半外露,茎上瓜叶舒展着绿意,微信传照而来,赞而叹之:这地瓜也能整成盆景啊!就不禁浮想联翩起来。查地瓜的洋学名叫甘薯,原产于南美洲,据考明朝万历年间传入中国,灾荒年因其高产救了耕种的百姓。入清,官方大力推广甘薯、马铃薯(土豆)种植,是当时的“扶贫”项目之一,其遂由南向北蔓延传播。古 Li Sao put a sweet potato in a glass jar, most of the exposed tubers, stem gourd leaf stretched green, micro-channel from the photos, praise and sigh: This sweet potato can also be integrated into the bonsai ah! . Chardonnay’s foreign school is called sweet potato, native to South America, according to the Ming Dynasty Wanli years into China, the famine year because of their high-yield to save the cultivated people. Clear, the official vigorously promote sweet potato, potato (potato) cultivation, was the “poverty alleviation ” one of the project, which then spread from south to north. ancient