Well drainage

https://www.wikidata.org/wiki/Q1047540

Field Hierarchy

Parent
Biology 36M papers	Engineering 25M papers	Geology 10.4M papers	Environmental science 8.8M papers
Ecology 8.1M papers	Oceanography 2.6M papers	Geotechnical engineering 2.2M papers	Soil science 806k papers
Soil water 783k papers		Groundwater 255k papers
Current
Well drainage 893 papers
Child
Drainage research 0 papers

Trends

Notes

History