Search Results for the EPA National Library Catalog

Items Found: 3
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Your Search: (SUBJECT=Crop yields United States.)


 
 
 
Select Item Title Year Published
Characterization of the southwest United States for the production of biomass energy crops 1987
Effect of simulated mixed-acid rain on yield and quality of bush bean / 1979
Productivity effects of cropland erosion in the United States 1983

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