How did the discovery of fast ripening rice impact the song dynasty?

New developments in rice cultivation during the Song dynasty in China, such as new strains of rice and better methods of water control and irrigation, greatly increased rice yields. Champa rice, which belongs to the us subspecies and ripens faster than regular rice, originated in this time.

New developments in rice cultivation during the Song dynasty in China, such as new strains of rice and better methods of water control and irrigation

Explanation:

geography

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