What is the characteristic of high-pressure air mass?

Under the control of high pressure, downdraft is popular, with clear weather, less precipitation and dry air.

High pressure is divided into cold high pressure and warm high pressure. Cold high pressure is characterized by cold and dryness, such as Siberian high pressure. Warm high pressure, dry heat, such as subtropical high pressure.

So if a place is controlled by high pressure, it can be said that the natural factor that restricts wheat production in this place is water.

Okay？