アンスロソル

Also known as anthropogenic soil

An anthrosol (or anthropogenic soil) in the World Reference Base for Soil Resources (WRB) is a type of soil that has been formed or heavily modified due to long-term human activity, such as from irrigation, addition of organic waste or wet-field cultivation used to create paddy fields. alt=a soil profile of terra preta|thumb|400x400px|A soil profile of terra preta, an anthrosol found in the Amazon Basin. Such soils can be formed from any parent soil, and are commonly found in areas where agriculture has been practiced for centuries. Anthrosols can be found worldwide, though they tend to have d