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County-Level Estimates of Nitrogen and Phosphorus from Commercial Fertilizer...
This data set contains county-level estimates of nitrogen and phosphorus from fertilizer, for both farm and nonfarm uses, for the conterminous United States, for 1987 through... -
County-Level Estimates of Nitrogen and Phosphorus from Commercial Fertilizer...
This data set contains county-level estimates of nitrogen and phosphorus from fertilizer, for both farm and nonfarm uses, for the conterminous United States, for 1987 through...