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Agricultural Advances in region? Technology? Rice? Other crops? Effects of improved agriculture?
1. Food surpluses, north wheat, south rice, irrigation tech, underground wells. 2. dragon backbone, underground wells? 3. found new fast ripening rice. 3. cotton, tea, wheat, barley. 4. amount of land increased, turns became more productive, surpluses helped pay taxes to the government, population grew because food became plentiful