Five-color soil is which five colors are produced in where?

China's five-color soil refers to the green, red, yellow, white, black five colors of natural soil, the distribution is as follows:

1, black soil: mainly distributed in China's northeastern plains, because of the wet and cold here, microbial activity is weak, the decomposition of organic matter in the soil is slow, the accumulation of more, so the color of the soil is darker.

2, loess: mainly distributed in China's Loess Plateau, where the soil is yellow, which is due to less organic matter in the soil.

3, red soil: mainly distributed in the low hills south of the Yangtze River, including most of Jiangxi and Hunan provinces, Yunnan, Hubei, southeast of Guangdong, northern Fujian and Guizhou, Sichuan, Zhejiang, Anhui, Jiangsu and other parts of the country, as well as southern Tibet and other places.

4, green soil: mainly distributed in the eastern part of China, because in the case of poor drainage or long-term flooding, iron oxide in the red soil is often reduced to light green ferrous oxide, the soil becomes grayish-green, such as some southern rice paddies.

5, white soil: mainly distributed in the western part of China, the soil in these places contains high magnesium, sodium and other salts of saline and alkaline soils are often white.