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Estimation of Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 1992?2009 (en Inglés)
Wesley W. Stone
(Autor)
·
Gail P. Thelin
(Autor)
·
Createspace Independent Publishing Platform
· Tapa Blanda
Estimation of Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 1992?2009 (en Inglés) - Stone, Wesley W. ; Thelin, Gail P.
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Reseña del libro "Estimation of Annual Agricultural Pesticide Use for Counties of the Conterminous United States, 1992?2009 (en Inglés)"
A method was developed to calculate annual county- level pesticide use for selected herbicides, insecticides, and fungicides applied to agricultural crops grown in the conterminous United States from 1992 through 2009. Pesticide-use data compiled by proprietary surveys of farm operations located within Crop Reporting Districts were used in conjunction with annual harvested-crop acreage reported by the U.S. Department of Agriculture National Agricultural Statistics Service (NASS) to calculate use rates per harvested- crop acre, or an 'estimated pesticide use' (EPest) rate, for each crop by year. Pesticide-use data were not available for all Crop Reporting Districts and years. When data were unavailable for a Crop Reporting District in a particular year, EPest extrapolated rates were calculated from adjoining or nearby Crop Reporting Districts to ensure that pesticide use was estimated for all counties that reported harvested-crop acreage. EPest rates were applied to county harvested-crop acreage differently to obtain EPest-low and EPest-high estimates of pesticide-use for counties and states, with the exception of use estimates for California, which were taken from annual Department of Pesticide Regulation Pesticide Use Reports.
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