Expansive clay

https://www.wikidata.org/wiki/Q1626102

Field Hierarchy

Parent
Biology 36.8M papers	Geology 10.6M papers	Environmental science 9M papers	Ecology 8.3M papers
Soil science 824k papers		Soil water 801k papers
Current
Expansive clay 7,776 papers
Child
Swelling soils 0 papers

Trends

Notes

History