How did changes in agriculture support other developments during the song dynasty?

The introduction of the new rice strain increased the food supply and allowed growth of cities. These changes in agriculture supported other developments during the Song Dynasty.

Song Dynasty contributed to the Golden Age of China. The other dynasty was the Tang Dynasty.

Song Taizu was the leader who reunited China and created the Song Dynasty. Hangzhou was the new capital of the Song Dynasty Empire.

The Chinese agriculture improved during the Goldgen age because they imported a fast-ripening rice from Vietnam that allowed them to harvest rice grains twice a year. Increasing their production.