Application of fertilizer phosphorus to nonfarm land in the United States Pacific Northwest for 2002

This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer phosphorus that was applied to nonfarm land in the...本空间数据集由美国地质调查局（U.S. Geological Survey, USGS）构建，旨在表征施用于非农用地的肥料磷施用量，其统计覆盖范围为……