Detecting interactive effects of N fertilization and heat stress on maize productivity by remote sensing techniques
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- 作者：Abdelhalim Elazaba ; Raziel A. Ordó ; ñ ; ezb ; Roxana Savinb ; Gustavo A. Slaferb ; c ; José ; Luis Arausa ; jaraus@ub.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Abiotic stresses ; Digital RGB images ; Multispectral images ; Vegetation indices
- 刊名：European Journal of Agronomy
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：73
- 期：Complete
- 页码：11-24
- 全文大小：2970 K
文摘
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Spectroradiometric (NDVI) and RGB (NGRDI) derived vegetation indices are compared.
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Predictive capacity of vegetation indices increases in absence of heat stress.
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NGRDI is more efficient than NDVI detecting biomass and yield changes in maize.