Great Ming: Skipping Class to Farm, I Made Old Zhu Furious

He transmigrates into Zhu Su, the least promising of the Ming Dynasty's fifth princes, and is bound to the [Career Experience System]! Zhu Yuanzhang thinks Zhu Su skips class every day and never applies himself, so he grabs a feather duster and chases him all over the palace! That is, until Zhu Su saves a young apothecary who nearly chokes to death and writes the much-coveted Illustrated Guide to Famine Relief Plants; until Zhu Su grows potatoes that yield three thousand jin per mu, saving millions of people in the famine-stricken north; until Zhu Su uses modern medicine to save General Lan, defeats the Northern Yuan with his strategies, and captures Princess Fuli alive; until... Zhu Biao: “Fifth Brother's medical skills are practically better than Hua Tuo's!” Xu Da: “This boy must be eliminated... I mean, this boy must be married into my family, or what was the point of raising my four daughters?” Zhu Yuanzhang: “Fifth Son, Father was wrong. The Ming Dynasty can't do without you!”