selected publications
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academic article
- Cropland Area and Net Primary Production Computed from 30 Years of USDA Agricultural Harvest Data. Earth Interactions. 8. 2004
- Spatiotemporal patterns of cropland area and net primary production in the central United States estimated from USDA agricultural information. Geophysical Research Letters. 31. 2004
- Satellite Estimates of Productivity and Light Use Efficency in United States Agriculture. Global Change Biology. 8:722-735. 2002