use of fertilizer

crop rotation
use of seedlings
improved irrigation
new types of plows

The above list describes agricultural improvements under the
A.
Yuan Dynasty.
B.
Sui Dynasty.
C.
Sung Dynasty.
D.
Ming Dynasty.

1 answer

The agricultural improvements listed, including the use of fertilizer, crop rotation, use of seedlings, improved irrigation, and new types of plows, are primarily associated with the C. Sung Dynasty. The Sung Dynasty (Song Dynasty) is known for its advancements in agricultural techniques that significantly increased productivity and supported population growth.