Unified Soil Classification System

https://www.wikidata.org/wiki/Q905795

Field Hierarchy

Parent
Biology 34.8M papers	Geology 9.1M papers	Ecology 7.8M papers	Environmental science 7.7M papers
Soil science 768k papers	Soil water 750k papers	Soil classification 8,996 papers
Current
Unified Soil Classification System 484 papers
Child

Trends

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History