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.
Yuan Dynasty.
C.
Ming Dynasty.
D.
Sung Dynasty.
crop rotation
use of seedlings
improved irrigation
new types of plows
The above list describes agricultural improvements under the
A.
Sui Dynasty.
B.
Yuan Dynasty.
C.
Ming Dynasty.
D.
Sung Dynasty.