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Energy and the use of conservation tillage in US agriculture
Uri, Noel Dean, (1999)
Conservation tillage and the use of energy and other inputs in US agriculture
Uri, Noel D., (1999)
Commodity-specific effects of the conservation reserve program
Hertel, Thomas W., (1988)
What is a wetland worth? : concepts and issues in economic valuation
Taff, Steven J., (1992)
Sustainable agriculture : policy reform is not enough
Taff, Steven J., (1990)
County-level distribution of land values in the twin cities metropolitan area
Taff, Steven J., (2002)