Estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture, AG_CROP1
收藏U.S. Geological Survey2023-01-01 更新2026-04-23 收录
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These data were released prior to the October 1, 2016 effective date for the USGS’s policy dictating the review, approval, and release of scientific data as referenced in USGS Survey Manual Chapter 502.8 Fundamental Science Practices: Review and Approval of Scientific Data for Release. This coverage contains estimates of agricultural cropping-practices in counties in the conterminous United States as reported in the 1987 Census of Agriculture (U.S. Department of Commerce, 1989a). Agricultural cropping-practice data are reported as either acres, or as a percentage of county area. Agricultural cropping-practice estimates were generated from surveys of all farms where $1,000 or more of agricultural products were sold, or normally would [...]
提供机构：
United States Geological Survey
创建时间：
2023-01-01
