As a Lord, I Conquer Another World

(Development, lord, farming, military, summoning, management, easy, no sword, no saint, no pedantic) Chen Xun, originally an ordinary college student, was transported to the winter plains of the world of Terra due to an accident. He wants to build his own kingdom in a snowy field. No food in the ice and snow? No worries, I have potato seeds that can grow in frozen soil. It's freezing cold? Don't be afraid. All the staff work overtime to burn coal and coal. All the kingdoms of Terra want to destroy themselves? Don't be afraid, my city-state will move... Let's see how I destroy the kingdoms of Terra and unify Terra! [The introduction is insufficient, please hand over the text]