URI(s)
Identifies LC/NAF RWO
Exact Matching Concepts from Other Schemes
Sources
- found: Cosper, H.R. Assessing the potential for conservation tillage, 1983:t.p. (Merlin W. Erickson, Natural Resource Economics Division, Economic Research Service, U.S. Dept. of Agriculture, Washington, D.C.)
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1984-01-05: new
- 1984-03-22: revised
Alternate Formats