Jiǎ Sī xié / suǒ zhù / de / Qí mín yào shù / shì / Zhōng guó / xiàn cún / zuì zǎo / de / nóng yè bǎi kē quán shū

贾思勰所著的《齐民要术》是中国现存最早的农业百科全书。

The "Qimin Yaoshu" written by Jia Sixie is the oldest existing agricultural encyclopedia in China.