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This page does not mention Kriegler's contribution to the development of the NDVI. (Kriegler et al., 1969)

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External links modified (January 2018)

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== Suggested edit ==

Sorry if I'm not doing this right. I'm new at this. Anyway, on the article page, in the Rationale secion, it says, " because the photon energy at wavelengths longer than about 700 nanometers is too large to synthesize organic molecules". This doesn't make sense. Photon energies at longer wavelengths are *smaller*, not *larger*. ChristopherVolpe (talk) 17:44, 14 February 2019 (UTC)[reply]

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Cheers.—InternetArchiveBot (Report bug) 02:46, 25 January 2018 (UTC)[reply]