Changge of the Song Dynasty

Historical time travel novels. Dr. Nong Song Ge traveled through the early Northern Song Dynasty, which coincided with the Northern Song Dynasty's large-scale agricultural reclamation, development of production, and construction of water conservancy... Song Ge devoted himself to agriculture while protecting his own safety. Improved rice fields, cultured rice flower fish, and improved rice seeds, winning praise. He also adapted to the times and wrote lyrics and poems, winning the reputation of a talented scholar. A person lives carefully in the familiar but unfamiliar Song Dynasty, and follows the love along the way? Who is in charge of the ups and downs of history?