Question

use of fertilizer
crop rotation
use of seedlings
improved irrigation
new types of plows

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

Answer 1

D. Sung (Song) Dynasty.

These agricultural innovations — fertilizers, crop rotation, seedling use/transplanting, better irrigation, and improved plows — are characteristic of Song-era advances (960–1279), which boosted yields and supported population growth (e.g., widespread planting of fast‑ripening Champa rice).