Is “Conception by footprint and teaching agriculture” true?

based on fact

The Records of the Grand Historian, Zhou Benji, and the Book of Songs, Da Ya, Sheng Min, record that Jiang Yuan conceived Qi after stepping on a giant's footprint, and he became an agricultural official teaching farming, later honored as Houji; the novel follows this mythical origin story from official history.

Houji

The ancestors of the Zhou people, as recorded in both official history and folk legends, include the story of conception by stepping on a giant's footprint and teaching agriculture.