Fertilizer Application
Note: For best printing results, download the full-sized PDF file and select the fit to page option in the print dialog.
|
Nitrogen fertilizer application (inferred from sales) by county for the entire Upper Mississippi Basin: 1991
The data represented in this map have been adapted from publicly available data products provided by the United States Geological Survey. These data contain estimates of nitrogen-fertilizer sales for the conterminous United States in 1991 as reported by the U.S. Environmental Protection Agency (1990). The information contained within these data have been used to create an assessment of the intensity of soil enrichment practices in counties throughout the Upper Mississippi Basin. The original data can accessed via the following USGS website: http://water.usgs.gov/lookup/getgislist.
A full sized 30" X 60" PDF version of this map can be downloaded through the following link. Full Sized Nitrogen 1991 Map
|
|
Commercial fertilizer, lime and soil conditioner application by county for the entire Upper Mississippi Basin: 2002
The data represented in this map have been adapted from publicly available data products provided by the National Agricultural Statistics Service. The information contained within these data have been used to create an assessment of the agricultural land use and the intensity of those practices in counties throughout the Upper Mississippi Basin. The original data can accessed via the following USDA website: http://www.usda.gov/nass/.
A full sized 30" X 60" PDF version of this map can be downloaded through the following link. Full Sized Fertilizer 2002 Map
|
|
Commercial fertilizer, lime and soil conditioner application by county for the entire Upper Mississippi Basin: 1997
The data represented in this map have been adapted from publicly available data products provided by the National Agricultural Statistics Service. The information contained within these data have been used to create an assessment of the agricultural land use and the intensity of those practices in counties throughout the Upper Mississippi Basin. The original data can accessed via the following USDA website: http://www.usda.gov/nass/.
A full sized 30" X 60" PDF version of this map can be downloaded through the following link. Full Sized Fertilizer 1997 Map
|
|
Manure application by county for the entire Upper Mississippi Basin: 2002
The data represented in this map have been adapted from publicly available data products provided by the National Agricultural Statistics Service. The information contained within these data have been used to create an assessment of the agricultural land use and the intensity of those practices in counties throughout the Upper Mississippi Basin. The original data can accessed via the following USDA website: http://www.usda.gov/nass/.
A full sized 30" X 60" PDF version of this map can be downloaded through the following link. Full Sized Manure 2002 Map
|
| |