Ⅰ eastern humid, semi-humid soil area
Ⅰ1, cold brown soil, bleached lime soil belt
I2, dark brown soil, black soil zone
Ⅰ 3, brown soil, cinnamon belt
Ⅰ4, yellow brown soil, yellow cinnamon belt
Ⅰ 5, red soil, yellow soil zone
Ⅰ 6, red soil belt
Ⅰ7, brick red soil belt
Ⅱ Mengxin arid and semiarid soil area
Ⅱ 1, chernozem, chestnut soil belt, black loess soil belt
Ⅱ2, calcareous soil, brown earth belt
Ⅱ3, gray desert soil belt
Ⅱ 4, brown desert soil belt
Ⅲ alpine soil region of Qinghai - Tibetan Plateau
Ⅲ1, subalpine meadow soil belt
Ⅲ2, subalpine steppe soil belt
Ⅲ3, subalpine desert soil
Ⅲ4, alpine meadow soil belt
Ⅲ5, alpine grassland soil
Ⅲ6, alpine desert soil
This map comes from the Atlas of physical geography of china, the Sino Maps Press，2010.
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