Changes in Hay Production in War and Peace
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https://ageconsearch.umn.edu/record/339787
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This study is based largely on the acreage, yield, and production of hay crops as reported for each State and published annually by the Bureau of Agricultural Economics. Data are obtained originally from large numbers of volunteer crop reporters in all parts of the country. As relatively few stands of hay are confined to a single kind without dilution by other types or by weeds, only approximate general trends, rather than closely defined changes, can be determined.
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创建时间：
2024-02-16
