Tabular county-level nitrogen and phosphorus estimates from fertilizer and manure for approximately 5-year periods from 1950 to 2017
收藏DataCite Commons2024-12-15 更新2026-05-07 收录
下载链接：
https://www.sciencebase.gov/catalog/item/5ebad56382ce25b51361806a
下载链接
链接失效反馈官方服务：
资源简介：
This product provides tabular estimates of kilograms of nitrogen and phosphorus from a) fertilizer, and b) manure, for counties in the conterminous United States for the period 1950-2017. Data are generated for approximate five-year periods over the time, coinciding with U.S. Department of Agriculture Census of Agriculture census years. This data release also includes a model archive suitable for recreating the 2017 fertilizer estimates.
提供机构：
U.S. Geological Survey
创建时间：
2021-01-29
