Well drainage

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

Field Hierarchy

Parent
Biology 36.7M papers	Engineering 25.6M papers	Geology 10.6M papers	Environmental science 9M papers
Ecology 8.3M papers	Oceanography 2.6M papers	Geotechnical engineering 2.2M papers	Soil science 822k papers
Soil water 799k papers		Groundwater 259k papers
Current
Well drainage 898 papers
Child
Drainage research 0 papers

Trends

Notes

History