EnviroAtlas - Crop phosphorus removal by 12-digit HUC for 2012 for the Conterminous United States
This EnviroAtlas national map displays the mean crop phosphorus (P) removal from 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 Institute (IPNI) compilations of county-level major crop harvest and P …