Soil classification

https://www.wikidata.org/wiki/Q386963

Field Hierarchy

Parent
Biology 36.7M papers	Geology 10.6M papers	Environmental science 9M papers	Ecology 8.3M papers
Soil science 822k papers		Soil water 799k papers
Current
Soil classification 9,526 papers
Child
Soil morphology 2,796 papers	Soil series 2,619 papers	Digital soil mapping 2,402 papers	USDA soil taxonomy 1,658 papers
Regosol 575 papers		Unified Soil Classification System 492 papers

Trends

Notes

History