What did farmers have to do every one month?
Han farmers had to donate this much time each year to unpaid government labor.
How did chain pumps function?
This invention used a turning wheel and wooden planks to move water uphill.
What are granaries?
These were reserves of food in case of famine or disaster.
How were iron plows made?
The Chinese pour melted iron into molds to make plows.
How did floods and droughts affect farming?
These two natural disasters often ruined Han farmers' crops.
What important agricultural tool did the Han dynasty invent?
The Chinese invented the wheelbarrow in this dynasty.
What did farmers have to make for themselves?
Farmers had to make their own clothes and build their own homes.
What did the farmers build to help irrigate crops?
They built canals to irrigate crops.
Why was the iron plow more efficient than earlier plows?
It was made from stronger materials and was much more durable
How did Han innovations help farmers and the empire?
These innovations helped make farming more efficient and easier.