Master_Yield_1970-2014_econ
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资源简介：
Econ data file: "Master_Yield_1970-2014.csv" — table of corn yield and ancillary field data for 1970–2014 seasons. Data file identical to file used in Cook and Trlica (2016) (see Dryad Digital Repository doi:10.5061/dryad.7920c). Data missing entirely for years 1981, 2008 due to crop loss.
创建时间：
2016-01-01
