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  • 标题:Modeling of Polyphenols and Color Index of Grape by Satellite Images, Colchagua Valley, VI Region, Chile
  • 本地全文:下载
  • 作者:Sandra Fredes ; Luis Ángel Ruiz ; Jorge Abel Recio
  • 期刊名称:Proceedings
  • 电子版ISSN:2504-3900
  • 出版年度:2019
  • 卷号:19
  • 期号:1
  • 页码:21
  • DOI:10.3390/proceedings2019019021
  • 语种:English
  • 出版社:MDPI AG
  • 摘要:The study looks forward to define a methodology that can improve the quality of the wine produced, through selective crop management, for which a multiple regression analysis was used between satellite images Sentinel 2 and polyphenols and color index. The estimated polyphenols, presents the best results in the variables color index and tannins, with an R2 of 0.78 and 0.65 respectively. The preliminary methodology allows the identification of homogeneous zones in polyphenols and final color estimation, transforming it into a potential tool for harvesting.
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