Field crops--Ecology
URI(s)
- http://id.loc.gov/authorities/subjects/sh87004916
- http://id.loc.gov/authorities/sh87004916#concept
Components
Broader Terms
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1987-08-06: new
- 1993-09-01: revised
Alternate Formats