About 21-year Hale cyclic signature in agriculture complement those in biomedicine

Crina Turtoi, Germaine G Cornelissen-Guillaume, Douglas Wilson, Franz Halberg

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Data on total cultivated area and total production of wheat and rye, barley and two-row barley, corn, soya and sunflower in Romania (1968-2000) are re-analyzed from the viewpoint of chronomics. An about 10.7-year component is detected with borderline statistical significance. A 3-component model consisting of cosine curves, with periods of 3.62, 2.48 and 2.15 years, accounts for 27% of the overall variability. Transdisciplinary chronomics is advocated to systematically map predictable dynamics in agriculture such as Hale-like cycles in corn and soja and their interactions with chronomes of external environmental factors.

Original languageEnglish (US)
Pages (from-to)S12-S14
JournalBiomedicine and Pharmacotherapy
Issue numberSUPPL. 1
StatePublished - Oct 2004


  • Agriculture
  • Chronomics
  • External environmental factors


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