EnviroAtlas - Agricultural phosphorus balance for 2012 by 12-digit HUC for the Conterminous United States
This EnviroAtlas national map displays the mean phosphorus (P) balance between inorganic fertilizer and confined manure inputs and P crop removal on croplands in the conterminous United States (excluding Hawaii and Alaska) for the year 2012 by 12-digit HUC. These data are based on International Plant Nutrition …