This agricultural improvement allowed farmers to have a water source near their crops in order to irrigate (water) their crops in the fields.
The improvement in the production of this product allowed the Chinese to produce more of it, which allowed for surpluses of this product. The surpluses could then be traded or sold.
This agricultural improvement was introduced to China in the 8th century during the Tang Dynasty. It was a new crop to China. China had the space to grow this crop.
More Food = More People / Healthier People = ???
This improvement allowed a farmer to grow 2 times as much of this improved product as before.
Arable Land + New Chinese Agricultural Inventions/Improvement = ???
This new irrigation technique/achievement allowed one person to do the work of several.
More Food
↑ Population
