贾思勰(Jia Sixie，六世纪)
　　南北朝时期农学家。他所编著的《齐民要术》是一部总结我国古代农业生产经验的著作，是中国现存的最早、最完整、最全面的综合性农学著作，至今仍被人们奉为古农书的经典著作。

　　 Jia Sixie (6th century), Chinese agronomist. His Qi Min Yao Shu summarized the rich farming experience in ancient times, which known as China’s earliest and most comprehensive agricultural encyclopedia in existence.