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