The farming techniques and knowledge that Xu brought along are said to have improved the quality of life of the ancient Japanese people and he is said to have introduced many new plants and techniques to ancient Japan.
Teknik dan pengetahuan bertani yang dibawa Xu Fu konon telah meningkatkan kualitas hidup masyarakat Jepang kuno dan ia dikatakan telah memperkenalkan banyak tanaman dan teknologi baru kepada penduduk Jepang kuno.