EnviroAtlas - Inorganic phosphorus fertilizer application for 2012 by 12-digit HUC for the Conterminous United States
This EnviroAtlas national map displays the application rate of inorganic phosphorus (P) fertilizer on agricultural land 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 and …