How does north china compare to south china with regard to rainfall and farmable land

Explanation:

North China weather is it had Hot summers and Cold Winters ,it is also Part of the Heartland because segment of it is the original civilization of China.

The Crops that are grown are Wheat & Millet .

Rainfall is unreliable compare to South China. Their cities are Beijing and Tijani city.

But that of south China are Richer in Farming and Industry than North China some Part are Yunnan Plateau.

The Crops grown are Rice, tea, cotton, vegetables .They have Mild & Humid Climate and not hot summer as North China.

It have Hilly land, rivers, lakes & valleys

they use tree rings to figure out weather patters.