Abstract
NEARLY five-and-twenty years have elapsed since Sir Arthur Schuster, by devising the orderly and comparatively brief process known as the “periodogram method,” gave a great stimulus to the investigation of periodicities in natural phenomena. Solar and magnetic phenomena provided the first fields of application, and meteorological data have since been attacked by many investigators. It seems fitting that crops, which are so largely dependent on the weather, should be submitted to the same test.
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Cycles in the Yield of Crops. Nature 109, 261–262 (1922). https://doi.org/10.1038/109261a0
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DOI: https://doi.org/10.1038/109261a0