Farming King in Another World: from Barren Fief to Industrial Kingdom

Jamel Xiao traveled through time and became a destitute prince, with a barren land and powerful enemies. He smiled and opened the technology tree: poisonous salt mine? After purification, it will be huge profits! Barren fields and poor soil? Compost rotation triples yield per acre! The enemy's cavalry is coming? Steel was made in a local blast furnace, and Mo Dao's cold light caused the Prairie King to retreat overnight. When the steam locomotive roared past the golden waves of wheat, the Imperial City secret agent's jaw dropped. The Seventh Prince sneered secretly: "It's nothing more than extraordinary skills." Little did he know that in Jamel Xiao's laboratory, the primitive internal combustion engine was making its first roar. A secret edict from the Empress came: "Come back quickly, I will give you the country, I only want your laboratory."