Summer fallow

https://www.wikidata.org/wiki/Q7637480

Field Hierarchy

Parent
Biology 36.7M papers	Geography 13.4M papers	Ecology 8.3M papers	History 8.1M papers
Archaeology 7M papers	Agriculture 1.1M papers	Cropping 38.3k papers
Current
Summer fallow 1,355 papers
Child
Three-field system 0 papers

Trends

Notes

History