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Primosol and landscape CN

An Udi-Alluvic Primosol and landscape. These soils distribute in the flat area of both sides of rivers and the bottom of valleys in humid climate zone. They also appear in low and flat areas in arid, semi-arid, and sub-humid climate zones. They are often found alternate with Aqui-Alluvic Primosols, Antrosols and Cambosols. Parent materials are mainly recent river alluvium ,but some are ancient river alluvium and sea sediments. They have smooth drainage and good agricultural performance. (Photos and notes courtesy of China Soils Museum, Guangdong Institute of World Soil Resources; with revision.)

 

In Chinese Soil Taxonomy, Primosols are recent soils with no diagnostic horizons or only an ochric epipedon. In Soil Taxonomy these soils are mostly Entisols or some Gelisols.

 

For additional information about this soil and the Soils Museum, visit:

www.giwsr.com/en/article/index/196

 

For additional information about Soil Taxonomy, visit:

sites.google.com/site/dinpuithai/Home

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Uploaded on November 5, 2021
Taken in January 2000