“墙内开花墙外香,”这是一种比较普遍的自然和人文现象,农作物的地理迁移也显示了这种特征。中国特有的作物大豆、茶叶、魔芋、猕猴桃等留洋之后,国外产量超过中国祖家。全世界666种主要栽培作物,起源于中国的达136种。或许外洋的风土更适应中国作物的生长,或许外国人更重视技术和品种的改进。后来居上,社会才能进步,是国际文化科学 “Wall incense wall blossom, ” This is a more common natural and human phenomena, crop migration also shows this feature. China’s unique crop soybean, tea, konjac, kiwifruit and other foreign countries, the overseas production of more than Chinese ancestors. 666 main cultivated crops worldwide, reaching 136 in China. Perhaps the foreign terrain more adapted to the growth of Chinese crops, perhaps foreigners pay more attention to technology and variety improvement. Then come from behind, society can progress, is the international cultural sciences