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