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Relationship of Foliar Colour Parameters to Paddy Leaf Area Index and Green Red Vegetation Index

Journal: The Journal of AgriSearch (JAS) (Vol.5, No. 2)

Publication Date:

Authors : ;

Page : 116-118


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Foliar colour is the result of a physical interaction of light on structures within and on the surface of leaves. Quantitative representation of foliar colour provides a means to express the condition of the crop. The Red, Green Blue (RGB) values from raw digital photographs of rice crops were transformed to CIE L a b colour space in Matlab®. Authors present results that convey strong relation between colour dimension 'a' of Commission Internationale de l'Eclairage (CIE) L a b colour model and Green-Red Vegetation Index (GRVI). More than 90% variability of Green-Red Vegetation Index (GRVI) of the rice crop was explained by 'a'. This provides an affordable means for ground-based remote observation to monitor crop condition in real-time.

Last modified: 2020-09-16 14:15:34